diff --git a/lib/bs4/AUTHORS.txt b/lib/bs4/AUTHORS.txt deleted file mode 100644 index 2ac8fcc..0000000 --- a/lib/bs4/AUTHORS.txt +++ /dev/null @@ -1,43 +0,0 @@ -Behold, mortal, the origins of Beautiful Soup... -================================================ - -Leonard Richardson is the primary programmer. - -Aaron DeVore is awesome. - -Mark Pilgrim provided the encoding detection code that forms the base -of UnicodeDammit. - -Thomas Kluyver and Ezio Melotti finished the work of getting Beautiful -Soup 4 working under Python 3. - -Simon Willison wrote soupselect, which was used to make Beautiful Soup -support CSS selectors. - -Sam Ruby helped with a lot of edge cases. - -Jonathan Ellis was awarded the prestigous Beau Potage D'Or for his -work in solving the nestable tags conundrum. - -An incomplete list of people have contributed patches to Beautiful -Soup: - - Istvan Albert, Andrew Lin, Anthony Baxter, Andrew Boyko, Tony Chang, - Zephyr Fang, Fuzzy, Roman Gaufman, Yoni Gilad, Richie Hindle, Peteris - Krumins, Kent Johnson, Ben Last, Robert Leftwich, Staffan Malmgren, - Ksenia Marasanova, JP Moins, Adam Monsen, John Nagle, "Jon", Ed - Oskiewicz, Greg Phillips, Giles Radford, Arthur Rudolph, Marko - Samastur, Jouni Seppänen, Alexander Schmolck, Andy Theyers, Glyn - Webster, Paul Wright, Danny Yoo - -An incomplete list of people who made suggestions or found bugs or -found ways to break Beautiful Soup: - - Hanno Böck, Matteo Bertini, Chris Curvey, Simon Cusack, Bruce Eckel, - Matt Ernst, Michael Foord, Tom Harris, Bill de hOra, Donald Howes, - Matt Patterson, Scott Roberts, Steve Strassmann, Mike Williams, - warchild at redho dot com, Sami Kuisma, Carlos Rocha, Bob Hutchison, - Joren Mc, Michal Migurski, John Kleven, Tim Heaney, Tripp Lilley, Ed - Summers, Dennis Sutch, Chris Smith, Aaron Sweep^W Swartz, Stuart - Turner, Greg Edwards, Kevin J Kalupson, Nikos Kouremenos, Artur de - Sousa Rocha, Yichun Wei, Per Vognsen diff --git a/lib/bs4/COPYING.txt b/lib/bs4/COPYING.txt deleted file mode 100644 index d668d13..0000000 --- a/lib/bs4/COPYING.txt +++ /dev/null @@ -1,26 +0,0 @@ -Beautiful Soup is made available under the MIT license: - - Copyright (c) 2004-2012 Leonard Richardson - - Permission is hereby granted, free of charge, to any person obtaining - a copy of this software and associated documentation files (the - "Software"), to deal in the Software without restriction, including - without limitation the rights to use, copy, modify, merge, publish, - distribute, sublicense, and/or sell copies of the Software, and to - permit persons to whom the Software is furnished to do so, subject to - the following conditions: - - The above copyright notice and this permission notice shall be - included in all copies or substantial portions of the Software. - - THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, - EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND - NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS - BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN - ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN - CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE - SOFTWARE, DAMMIT. - -Beautiful Soup incorporates code from the html5lib library, which is -also made available under the MIT license. diff --git a/lib/bs4/__init__.py b/lib/bs4/__init__.py deleted file mode 100644 index 03b2416..0000000 --- a/lib/bs4/__init__.py +++ /dev/null @@ -1,365 +0,0 @@ -"""Beautiful Soup -Elixir and Tonic -"The Screen-Scraper's Friend" -http://www.crummy.com/software/BeautifulSoup/ - -Beautiful Soup uses a pluggable XML or HTML parser to parse a -(possibly invalid) document into a tree representation. Beautiful Soup -provides provides methods and Pythonic idioms that make it easy to -navigate, search, and modify the parse tree. - -Beautiful Soup works with Python 2.6 and up. It works better if lxml -and/or html5lib is installed. - -For more than you ever wanted to know about Beautiful Soup, see the -documentation: -http://www.crummy.com/software/BeautifulSoup/bs4/doc/ -""" - -__author__ = "Leonard Richardson (leonardr@segfault.org)" -__version__ = "4.2.1" -__copyright__ = "Copyright (c) 2004-2013 Leonard Richardson" -__license__ = "MIT" - -__all__ = ['BeautifulSoup'] - -import re -import warnings - -from .builder import builder_registry -from .dammit import UnicodeDammit -from .element import ( - CData, - Comment, - DEFAULT_OUTPUT_ENCODING, - Declaration, - Doctype, - NavigableString, - PageElement, - ProcessingInstruction, - ResultSet, - SoupStrainer, - Tag, - ) - -# The very first thing we do is give a useful error if someone is -# running this code under Python 3 without converting it. -syntax_error = u'You are trying to run the Python 2 version of Beautiful Soup under Python 3. This will not work. You need to convert the code, either by installing it (`python setup.py install`) or by running 2to3 (`2to3 -w bs4`).' - -class BeautifulSoup(Tag): - """ - This class defines the basic interface called by the tree builders. - - These methods will be called by the parser: - reset() - feed(markup) - - The tree builder may call these methods from its feed() implementation: - handle_starttag(name, attrs) # See note about return value - handle_endtag(name) - handle_data(data) # Appends to the current data node - endData(containerClass=NavigableString) # Ends the current data node - - No matter how complicated the underlying parser is, you should be - able to build a tree using 'start tag' events, 'end tag' events, - 'data' events, and "done with data" events. - - If you encounter an empty-element tag (aka a self-closing tag, - like HTML's
tag), call handle_starttag and then - handle_endtag. - """ - ROOT_TAG_NAME = u'[document]' - - # If the end-user gives no indication which tree builder they - # want, look for one with these features. - DEFAULT_BUILDER_FEATURES = ['html', 'fast'] - - # Used when determining whether a text node is all whitespace and - # can be replaced with a single space. A text node that contains - # fancy Unicode spaces (usually non-breaking) should be left - # alone. - STRIP_ASCII_SPACES = {9: None, 10: None, 12: None, 13: None, 32: None, } - - def __init__(self, markup="", features=None, builder=None, - parse_only=None, from_encoding=None, **kwargs): - """The Soup object is initialized as the 'root tag', and the - provided markup (which can be a string or a file-like object) - is fed into the underlying parser.""" - - if 'convertEntities' in kwargs: - warnings.warn( - "BS4 does not respect the convertEntities argument to the " - "BeautifulSoup constructor. Entities are always converted " - "to Unicode characters.") - - if 'markupMassage' in kwargs: - del kwargs['markupMassage'] - warnings.warn( - "BS4 does not respect the markupMassage argument to the " - "BeautifulSoup constructor. The tree builder is responsible " - "for any necessary markup massage.") - - if 'smartQuotesTo' in kwargs: - del kwargs['smartQuotesTo'] - warnings.warn( - "BS4 does not respect the smartQuotesTo argument to the " - "BeautifulSoup constructor. Smart quotes are always converted " - "to Unicode characters.") - - if 'selfClosingTags' in kwargs: - del kwargs['selfClosingTags'] - warnings.warn( - "BS4 does not respect the selfClosingTags argument to the " - "BeautifulSoup constructor. The tree builder is responsible " - "for understanding self-closing tags.") - - if 'isHTML' in kwargs: - del kwargs['isHTML'] - warnings.warn( - "BS4 does not respect the isHTML argument to the " - "BeautifulSoup constructor. You can pass in features='html' " - "or features='xml' to get a builder capable of handling " - "one or the other.") - - def deprecated_argument(old_name, new_name): - if old_name in kwargs: - warnings.warn( - 'The "%s" argument to the BeautifulSoup constructor ' - 'has been renamed to "%s."' % (old_name, new_name)) - value = kwargs[old_name] - del kwargs[old_name] - return value - return None - - parse_only = parse_only or deprecated_argument( - "parseOnlyThese", "parse_only") - - from_encoding = from_encoding or deprecated_argument( - "fromEncoding", "from_encoding") - - if len(kwargs) > 0: - arg = kwargs.keys().pop() - raise TypeError( - "__init__() got an unexpected keyword argument '%s'" % arg) - - if builder is None: - if isinstance(features, basestring): - features = [features] - if features is None or len(features) == 0: - features = self.DEFAULT_BUILDER_FEATURES - builder_class = builder_registry.lookup(*features) - if builder_class is None: - raise FeatureNotFound( - "Couldn't find a tree builder with the features you " - "requested: %s. Do you need to install a parser library?" - % ",".join(features)) - builder = builder_class() - self.builder = builder - self.is_xml = builder.is_xml - self.builder.soup = self - - self.parse_only = parse_only - - self.reset() - - if hasattr(markup, 'read'): # It's a file-type object. - markup = markup.read() - (self.markup, self.original_encoding, self.declared_html_encoding, - self.contains_replacement_characters) = ( - self.builder.prepare_markup(markup, from_encoding)) - - try: - self._feed() - except StopParsing: - pass - - # Clear out the markup and remove the builder's circular - # reference to this object. - self.markup = None - self.builder.soup = None - - def _feed(self): - # Convert the document to Unicode. - self.builder.reset() - - self.builder.feed(self.markup) - # Close out any unfinished strings and close all the open tags. - self.endData() - while self.currentTag.name != self.ROOT_TAG_NAME: - self.popTag() - - def reset(self): - Tag.__init__(self, self, self.builder, self.ROOT_TAG_NAME) - self.hidden = 1 - self.builder.reset() - self.currentData = [] - self.currentTag = None - self.tagStack = [] - self.pushTag(self) - - def new_tag(self, name, namespace=None, nsprefix=None, **attrs): - """Create a new tag associated with this soup.""" - return Tag(None, self.builder, name, namespace, nsprefix, attrs) - - def new_string(self, s, subclass=NavigableString): - """Create a new NavigableString associated with this soup.""" - navigable = subclass(s) - navigable.setup() - return navigable - - def insert_before(self, successor): - raise NotImplementedError("BeautifulSoup objects don't support insert_before().") - - def insert_after(self, successor): - raise NotImplementedError("BeautifulSoup objects don't support insert_after().") - - def popTag(self): - tag = self.tagStack.pop() - #print "Pop", tag.name - if self.tagStack: - self.currentTag = self.tagStack[-1] - return self.currentTag - - def pushTag(self, tag): - #print "Push", tag.name - if self.currentTag: - self.currentTag.contents.append(tag) - self.tagStack.append(tag) - self.currentTag = self.tagStack[-1] - - def endData(self, containerClass=NavigableString): - if self.currentData: - currentData = u''.join(self.currentData) - if (currentData.translate(self.STRIP_ASCII_SPACES) == '' and - not set([tag.name for tag in self.tagStack]).intersection( - self.builder.preserve_whitespace_tags)): - if '\n' in currentData: - currentData = '\n' - else: - currentData = ' ' - self.currentData = [] - if self.parse_only and len(self.tagStack) <= 1 and \ - (not self.parse_only.text or \ - not self.parse_only.search(currentData)): - return - o = containerClass(currentData) - self.object_was_parsed(o) - - def object_was_parsed(self, o, parent=None, most_recent_element=None): - """Add an object to the parse tree.""" - parent = parent or self.currentTag - most_recent_element = most_recent_element or self._most_recent_element - o.setup(parent, most_recent_element) - if most_recent_element is not None: - most_recent_element.next_element = o - self._most_recent_element = o - parent.contents.append(o) - - def _popToTag(self, name, nsprefix=None, inclusivePop=True): - """Pops the tag stack up to and including the most recent - instance of the given tag. If inclusivePop is false, pops the tag - stack up to but *not* including the most recent instqance of - the given tag.""" - #print "Popping to %s" % name - if name == self.ROOT_TAG_NAME: - return - - numPops = 0 - mostRecentTag = None - - for i in range(len(self.tagStack) - 1, 0, -1): - if (name == self.tagStack[i].name - and nsprefix == self.tagStack[i].prefix): - numPops = len(self.tagStack) - i - break - if not inclusivePop: - numPops = numPops - 1 - - for i in range(0, numPops): - mostRecentTag = self.popTag() - return mostRecentTag - - def handle_starttag(self, name, namespace, nsprefix, attrs): - """Push a start tag on to the stack. - - If this method returns None, the tag was rejected by the - SoupStrainer. You should proceed as if the tag had not occured - in the document. For instance, if this was a self-closing tag, - don't call handle_endtag. - """ - - # print "Start tag %s: %s" % (name, attrs) - self.endData() - - if (self.parse_only and len(self.tagStack) <= 1 - and (self.parse_only.text - or not self.parse_only.search_tag(name, attrs))): - return None - - tag = Tag(self, self.builder, name, namespace, nsprefix, attrs, - self.currentTag, self._most_recent_element) - if tag is None: - return tag - if self._most_recent_element: - self._most_recent_element.next_element = tag - self._most_recent_element = tag - self.pushTag(tag) - return tag - - def handle_endtag(self, name, nsprefix=None): - #print "End tag: " + name - self.endData() - self._popToTag(name, nsprefix) - - def handle_data(self, data): - self.currentData.append(data) - - def decode(self, pretty_print=False, - eventual_encoding=DEFAULT_OUTPUT_ENCODING, - formatter="minimal"): - """Returns a string or Unicode representation of this document. - To get Unicode, pass None for encoding.""" - - if self.is_xml: - # Print the XML declaration - encoding_part = '' - if eventual_encoding != None: - encoding_part = ' encoding="%s"' % eventual_encoding - prefix = u'\n' % encoding_part - else: - prefix = u'' - if not pretty_print: - indent_level = None - else: - indent_level = 0 - return prefix + super(BeautifulSoup, self).decode( - indent_level, eventual_encoding, formatter) - -# Alias to make it easier to type import: 'from bs4 import _soup' -_s = BeautifulSoup -_soup = BeautifulSoup - -class BeautifulStoneSoup(BeautifulSoup): - """Deprecated interface to an XML parser.""" - - def __init__(self, *args, **kwargs): - kwargs['features'] = 'xml' - warnings.warn( - 'The BeautifulStoneSoup class is deprecated. Instead of using ' - 'it, pass features="xml" into the BeautifulSoup constructor.') - super(BeautifulStoneSoup, self).__init__(*args, **kwargs) - - -class StopParsing(Exception): - pass - - -class FeatureNotFound(ValueError): - pass - - -#By default, act as an HTML pretty-printer. -if __name__ == '__main__': - import sys - soup = BeautifulSoup(sys.stdin) - print soup.prettify() diff --git a/lib/bs4/builder/__init__.py b/lib/bs4/builder/__init__.py deleted file mode 100644 index bae453e..0000000 --- a/lib/bs4/builder/__init__.py +++ /dev/null @@ -1,316 +0,0 @@ -from collections import defaultdict -import itertools -import sys -from bs4.element import ( - CharsetMetaAttributeValue, - ContentMetaAttributeValue, - whitespace_re - ) - -__all__ = [ - 'HTMLTreeBuilder', - 'SAXTreeBuilder', - 'TreeBuilder', - 'TreeBuilderRegistry', - ] - -# Some useful features for a TreeBuilder to have. -FAST = 'fast' -PERMISSIVE = 'permissive' -STRICT = 'strict' -XML = 'xml' -HTML = 'html' -HTML_5 = 'html5' - - -class TreeBuilderRegistry(object): - - def __init__(self): - self.builders_for_feature = defaultdict(list) - self.builders = [] - - def register(self, treebuilder_class): - """Register a treebuilder based on its advertised features.""" - for feature in treebuilder_class.features: - self.builders_for_feature[feature].insert(0, treebuilder_class) - self.builders.insert(0, treebuilder_class) - - def lookup(self, *features): - if len(self.builders) == 0: - # There are no builders at all. - return None - - if len(features) == 0: - # They didn't ask for any features. Give them the most - # recently registered builder. - return self.builders[0] - - # Go down the list of features in order, and eliminate any builders - # that don't match every feature. - features = list(features) - features.reverse() - candidates = None - candidate_set = None - while len(features) > 0: - feature = features.pop() - we_have_the_feature = self.builders_for_feature.get(feature, []) - if len(we_have_the_feature) > 0: - if candidates is None: - candidates = we_have_the_feature - candidate_set = set(candidates) - else: - # Eliminate any candidates that don't have this feature. - candidate_set = candidate_set.intersection( - set(we_have_the_feature)) - - # The only valid candidates are the ones in candidate_set. - # Go through the original list of candidates and pick the first one - # that's in candidate_set. - if candidate_set is None: - return None - for candidate in candidates: - if candidate in candidate_set: - return candidate - return None - -# The BeautifulSoup class will take feature lists from developers and use them -# to look up builders in this registry. -builder_registry = TreeBuilderRegistry() - -class TreeBuilder(object): - """Turn a document into a Beautiful Soup object tree.""" - - features = [] - - is_xml = False - preserve_whitespace_tags = set() - empty_element_tags = None # A tag will be considered an empty-element - # tag when and only when it has no contents. - - # A value for these tag/attribute combinations is a space- or - # comma-separated list of CDATA, rather than a single CDATA. - cdata_list_attributes = {} - - - def __init__(self): - self.soup = None - - def reset(self): - pass - - def can_be_empty_element(self, tag_name): - """Might a tag with this name be an empty-element tag? - - The final markup may or may not actually present this tag as - self-closing. - - For instance: an HTMLBuilder does not consider a

tag to be - an empty-element tag (it's not in - HTMLBuilder.empty_element_tags). This means an empty

tag - will be presented as "

", not "

". - - The default implementation has no opinion about which tags are - empty-element tags, so a tag will be presented as an - empty-element tag if and only if it has no contents. - "" will become "", and "bar" will - be left alone. - """ - if self.empty_element_tags is None: - return True - return tag_name in self.empty_element_tags - - def feed(self, markup): - raise NotImplementedError() - - def prepare_markup(self, markup, user_specified_encoding=None, - document_declared_encoding=None): - return markup, None, None, False - - def test_fragment_to_document(self, fragment): - """Wrap an HTML fragment to make it look like a document. - - Different parsers do this differently. For instance, lxml - introduces an empty tag, and html5lib - doesn't. Abstracting this away lets us write simple tests - which run HTML fragments through the parser and compare the - results against other HTML fragments. - - This method should not be used outside of tests. - """ - return fragment - - def set_up_substitutions(self, tag): - return False - - def _replace_cdata_list_attribute_values(self, tag_name, attrs): - """Replaces class="foo bar" with class=["foo", "bar"] - - Modifies its input in place. - """ - if self.cdata_list_attributes: - universal = self.cdata_list_attributes.get('*', []) - tag_specific = self.cdata_list_attributes.get( - tag_name.lower(), []) - for cdata_list_attr in itertools.chain(universal, tag_specific): - if cdata_list_attr in attrs: - # Basically, we have a "class" attribute whose - # value is a whitespace-separated list of CSS - # classes. Split it into a list. - value = attrs[cdata_list_attr] - if isinstance(value, basestring): - values = whitespace_re.split(value) - else: - # html5lib sometimes calls setAttributes twice - # for the same tag when rearranging the parse - # tree. On the second call the attribute value - # here is already a list. If this happens, - # leave the value alone rather than trying to - # split it again. - values = value - attrs[cdata_list_attr] = values - return attrs - -class SAXTreeBuilder(TreeBuilder): - """A Beautiful Soup treebuilder that listens for SAX events.""" - - def feed(self, markup): - raise NotImplementedError() - - def close(self): - pass - - def startElement(self, name, attrs): - attrs = dict((key[1], value) for key, value in list(attrs.items())) - #print "Start %s, %r" % (name, attrs) - self.soup.handle_starttag(name, attrs) - - def endElement(self, name): - #print "End %s" % name - self.soup.handle_endtag(name) - - def startElementNS(self, nsTuple, nodeName, attrs): - # Throw away (ns, nodeName) for now. - self.startElement(nodeName, attrs) - - def endElementNS(self, nsTuple, nodeName): - # Throw away (ns, nodeName) for now. - self.endElement(nodeName) - #handler.endElementNS((ns, node.nodeName), node.nodeName) - - def startPrefixMapping(self, prefix, nodeValue): - # Ignore the prefix for now. - pass - - def endPrefixMapping(self, prefix): - # Ignore the prefix for now. - # handler.endPrefixMapping(prefix) - pass - - def characters(self, content): - self.soup.handle_data(content) - - def startDocument(self): - pass - - def endDocument(self): - pass - - -class HTMLTreeBuilder(TreeBuilder): - """This TreeBuilder knows facts about HTML. - - Such as which tags are empty-element tags. - """ - - preserve_whitespace_tags = set(['pre', 'textarea']) - empty_element_tags = set(['br' , 'hr', 'input', 'img', 'meta', - 'spacer', 'link', 'frame', 'base']) - - # The HTML standard defines these attributes as containing a - # space-separated list of values, not a single value. That is, - # class="foo bar" means that the 'class' attribute has two values, - # 'foo' and 'bar', not the single value 'foo bar'. When we - # encounter one of these attributes, we will parse its value into - # a list of values if possible. Upon output, the list will be - # converted back into a string. - cdata_list_attributes = { - "*" : ['class', 'accesskey', 'dropzone'], - "a" : ['rel', 'rev'], - "link" : ['rel', 'rev'], - "td" : ["headers"], - "th" : ["headers"], - "td" : ["headers"], - "form" : ["accept-charset"], - "object" : ["archive"], - - # These are HTML5 specific, as are *.accesskey and *.dropzone above. - "area" : ["rel"], - "icon" : ["sizes"], - "iframe" : ["sandbox"], - "output" : ["for"], - } - - def set_up_substitutions(self, tag): - # We are only interested in tags - if tag.name != 'meta': - return False - - http_equiv = tag.get('http-equiv') - content = tag.get('content') - charset = tag.get('charset') - - # We are interested in tags that say what encoding the - # document was originally in. This means HTML 5-style - # tags that provide the "charset" attribute. It also means - # HTML 4-style tags that provide the "content" - # attribute and have "http-equiv" set to "content-type". - # - # In both cases we will replace the value of the appropriate - # attribute with a standin object that can take on any - # encoding. - meta_encoding = None - if charset is not None: - # HTML 5 style: - # - meta_encoding = charset - tag['charset'] = CharsetMetaAttributeValue(charset) - - elif (content is not None and http_equiv is not None - and http_equiv.lower() == 'content-type'): - # HTML 4 style: - # - tag['content'] = ContentMetaAttributeValue(content) - - return (meta_encoding is not None) - -def register_treebuilders_from(module): - """Copy TreeBuilders from the given module into this module.""" - # I'm fairly sure this is not the best way to do this. - this_module = sys.modules['bs4.builder'] - for name in module.__all__: - obj = getattr(module, name) - - if issubclass(obj, TreeBuilder): - setattr(this_module, name, obj) - this_module.__all__.append(name) - # Register the builder while we're at it. - this_module.builder_registry.register(obj) - -# Builders are registered in reverse order of priority, so that custom -# builder registrations will take precedence. In general, we want lxml -# to take precedence over html5lib, because it's faster. And we only -# want to use HTMLParser as a last result. -from . import _htmlparser -register_treebuilders_from(_htmlparser) -try: - from . import _html5lib - register_treebuilders_from(_html5lib) -except ImportError: - # They don't have html5lib installed. - pass -try: - from . import _lxml - register_treebuilders_from(_lxml) -except ImportError: - # They don't have lxml installed. - pass diff --git a/lib/bs4/builder/_html5lib.py b/lib/bs4/builder/_html5lib.py deleted file mode 100644 index e439ac8..0000000 --- a/lib/bs4/builder/_html5lib.py +++ /dev/null @@ -1,222 +0,0 @@ -__all__ = [ - 'HTML5TreeBuilder', - ] - -import warnings -from bs4.builder import ( - PERMISSIVE, - HTML, - HTML_5, - HTMLTreeBuilder, - ) -from bs4.element import NamespacedAttribute -import html5lib -from html5lib.constants import namespaces -from bs4.element import ( - Comment, - Doctype, - NavigableString, - Tag, - ) - -class HTML5TreeBuilder(HTMLTreeBuilder): - """Use html5lib to build a tree.""" - - features = ['html5lib', PERMISSIVE, HTML_5, HTML] - - def prepare_markup(self, markup, user_specified_encoding): - # Store the user-specified encoding for use later on. - self.user_specified_encoding = user_specified_encoding - return markup, None, None, False - - # These methods are defined by Beautiful Soup. - def feed(self, markup): - if self.soup.parse_only is not None: - warnings.warn("You provided a value for parse_only, but the html5lib tree builder doesn't support parse_only. The entire document will be parsed.") - parser = html5lib.HTMLParser(tree=self.create_treebuilder) - doc = parser.parse(markup, encoding=self.user_specified_encoding) - - # Set the character encoding detected by the tokenizer. - if isinstance(markup, unicode): - # We need to special-case this because html5lib sets - # charEncoding to UTF-8 if it gets Unicode input. - doc.original_encoding = None - else: - doc.original_encoding = parser.tokenizer.stream.charEncoding[0] - - def create_treebuilder(self, namespaceHTMLElements): - self.underlying_builder = TreeBuilderForHtml5lib( - self.soup, namespaceHTMLElements) - return self.underlying_builder - - def test_fragment_to_document(self, fragment): - """See `TreeBuilder`.""" - return u'%s' % fragment - - -class TreeBuilderForHtml5lib(html5lib.treebuilders._base.TreeBuilder): - - def __init__(self, soup, namespaceHTMLElements): - self.soup = soup - super(TreeBuilderForHtml5lib, self).__init__(namespaceHTMLElements) - - def documentClass(self): - self.soup.reset() - return Element(self.soup, self.soup, None) - - def insertDoctype(self, token): - name = token["name"] - publicId = token["publicId"] - systemId = token["systemId"] - - doctype = Doctype.for_name_and_ids(name, publicId, systemId) - self.soup.object_was_parsed(doctype) - - def elementClass(self, name, namespace): - tag = self.soup.new_tag(name, namespace) - return Element(tag, self.soup, namespace) - - def commentClass(self, data): - return TextNode(Comment(data), self.soup) - - def fragmentClass(self): - self.soup = BeautifulSoup("") - self.soup.name = "[document_fragment]" - return Element(self.soup, self.soup, None) - - def appendChild(self, node): - # XXX This code is not covered by the BS4 tests. - self.soup.append(node.element) - - def getDocument(self): - return self.soup - - def getFragment(self): - return html5lib.treebuilders._base.TreeBuilder.getFragment(self).element - -class AttrList(object): - def __init__(self, element): - self.element = element - self.attrs = dict(self.element.attrs) - def __iter__(self): - return list(self.attrs.items()).__iter__() - def __setitem__(self, name, value): - "set attr", name, value - self.element[name] = value - def items(self): - return list(self.attrs.items()) - def keys(self): - return list(self.attrs.keys()) - def __len__(self): - return len(self.attrs) - def __getitem__(self, name): - return self.attrs[name] - def __contains__(self, name): - return name in list(self.attrs.keys()) - - -class Element(html5lib.treebuilders._base.Node): - def __init__(self, element, soup, namespace): - html5lib.treebuilders._base.Node.__init__(self, element.name) - self.element = element - self.soup = soup - self.namespace = namespace - - def appendChild(self, node): - if (node.element.__class__ == NavigableString and self.element.contents - and self.element.contents[-1].__class__ == NavigableString): - # Concatenate new text onto old text node - # XXX This has O(n^2) performance, for input like - # "aaa..." - old_element = self.element.contents[-1] - new_element = self.soup.new_string(old_element + node.element) - old_element.replace_with(new_element) - self.soup._most_recent_element = new_element - else: - self.soup.object_was_parsed(node.element, parent=self.element) - - def getAttributes(self): - return AttrList(self.element) - - def setAttributes(self, attributes): - if attributes is not None and len(attributes) > 0: - - converted_attributes = [] - for name, value in list(attributes.items()): - if isinstance(name, tuple): - new_name = NamespacedAttribute(*name) - del attributes[name] - attributes[new_name] = value - - self.soup.builder._replace_cdata_list_attribute_values( - self.name, attributes) - for name, value in attributes.items(): - self.element[name] = value - - # The attributes may contain variables that need substitution. - # Call set_up_substitutions manually. - # - # The Tag constructor called this method when the Tag was created, - # but we just set/changed the attributes, so call it again. - self.soup.builder.set_up_substitutions(self.element) - attributes = property(getAttributes, setAttributes) - - def insertText(self, data, insertBefore=None): - text = TextNode(self.soup.new_string(data), self.soup) - if insertBefore: - self.insertBefore(text, insertBefore) - else: - self.appendChild(text) - - def insertBefore(self, node, refNode): - index = self.element.index(refNode.element) - if (node.element.__class__ == NavigableString and self.element.contents - and self.element.contents[index-1].__class__ == NavigableString): - # (See comments in appendChild) - old_node = self.element.contents[index-1] - new_str = self.soup.new_string(old_node + node.element) - old_node.replace_with(new_str) - else: - self.element.insert(index, node.element) - node.parent = self - - def removeChild(self, node): - node.element.extract() - - def reparentChildren(self, newParent): - while self.element.contents: - child = self.element.contents[0] - child.extract() - if isinstance(child, Tag): - newParent.appendChild( - Element(child, self.soup, namespaces["html"])) - else: - newParent.appendChild( - TextNode(child, self.soup)) - - def cloneNode(self): - tag = self.soup.new_tag(self.element.name, self.namespace) - node = Element(tag, self.soup, self.namespace) - for key,value in self.attributes: - node.attributes[key] = value - return node - - def hasContent(self): - return self.element.contents - - def getNameTuple(self): - if self.namespace == None: - return namespaces["html"], self.name - else: - return self.namespace, self.name - - nameTuple = property(getNameTuple) - -class TextNode(Element): - def __init__(self, element, soup): - html5lib.treebuilders._base.Node.__init__(self, None) - self.element = element - self.soup = soup - - def cloneNode(self): - raise NotImplementedError diff --git a/lib/bs4/builder/_htmlparser.py b/lib/bs4/builder/_htmlparser.py deleted file mode 100644 index 65ee618..0000000 --- a/lib/bs4/builder/_htmlparser.py +++ /dev/null @@ -1,249 +0,0 @@ -"""Use the HTMLParser library to parse HTML files that aren't too bad.""" - -__all__ = [ - 'HTMLParserTreeBuilder', - ] - -from HTMLParser import ( - HTMLParser, - HTMLParseError, - ) -import sys -import warnings - -# Starting in Python 3.2, the HTMLParser constructor takes a 'strict' -# argument, which we'd like to set to False. Unfortunately, -# http://bugs.python.org/issue13273 makes strict=True a better bet -# before Python 3.2.3. -# -# At the end of this file, we monkeypatch HTMLParser so that -# strict=True works well on Python 3.2.2. -major, minor, release = sys.version_info[:3] -CONSTRUCTOR_TAKES_STRICT = ( - major > 3 - or (major == 3 and minor > 2) - or (major == 3 and minor == 2 and release >= 3)) - -from bs4.element import ( - CData, - Comment, - Declaration, - Doctype, - ProcessingInstruction, - ) -from bs4.dammit import EntitySubstitution, UnicodeDammit - -from bs4.builder import ( - HTML, - HTMLTreeBuilder, - STRICT, - ) - - -HTMLPARSER = 'html.parser' - -class BeautifulSoupHTMLParser(HTMLParser): - def handle_starttag(self, name, attrs): - # XXX namespace - self.soup.handle_starttag(name, None, None, dict(attrs)) - - def handle_endtag(self, name): - self.soup.handle_endtag(name) - - def handle_data(self, data): - self.soup.handle_data(data) - - def handle_charref(self, name): - # XXX workaround for a bug in HTMLParser. Remove this once - # it's fixed. - if name.startswith('x'): - real_name = int(name.lstrip('x'), 16) - elif name.startswith('X'): - real_name = int(name.lstrip('X'), 16) - else: - real_name = int(name) - - try: - data = unichr(real_name) - except (ValueError, OverflowError), e: - data = u"\N{REPLACEMENT CHARACTER}" - - self.handle_data(data) - - def handle_entityref(self, name): - character = EntitySubstitution.HTML_ENTITY_TO_CHARACTER.get(name) - if character is not None: - data = character - else: - data = "&%s;" % name - self.handle_data(data) - - def handle_comment(self, data): - self.soup.endData() - self.soup.handle_data(data) - self.soup.endData(Comment) - - def handle_decl(self, data): - self.soup.endData() - if data.startswith("DOCTYPE "): - data = data[len("DOCTYPE "):] - elif data == 'DOCTYPE': - # i.e. "" - data = '' - self.soup.handle_data(data) - self.soup.endData(Doctype) - - def unknown_decl(self, data): - if data.upper().startswith('CDATA['): - cls = CData - data = data[len('CDATA['):] - else: - cls = Declaration - self.soup.endData() - self.soup.handle_data(data) - self.soup.endData(cls) - - def handle_pi(self, data): - self.soup.endData() - if data.endswith("?") and data.lower().startswith("xml"): - # "An XHTML processing instruction using the trailing '?' - # will cause the '?' to be included in data." - HTMLParser - # docs. - # - # Strip the question mark so we don't end up with two - # question marks. - data = data[:-1] - self.soup.handle_data(data) - self.soup.endData(ProcessingInstruction) - - -class HTMLParserTreeBuilder(HTMLTreeBuilder): - - is_xml = False - features = [HTML, STRICT, HTMLPARSER] - - def __init__(self, *args, **kwargs): - if CONSTRUCTOR_TAKES_STRICT: - kwargs['strict'] = False - self.parser_args = (args, kwargs) - - def prepare_markup(self, markup, user_specified_encoding=None, - document_declared_encoding=None): - """ - :return: A 4-tuple (markup, original encoding, encoding - declared within markup, whether any characters had to be - replaced with REPLACEMENT CHARACTER). - """ - if isinstance(markup, unicode): - return markup, None, None, False - - try_encodings = [user_specified_encoding, document_declared_encoding] - dammit = UnicodeDammit(markup, try_encodings, is_html=True) - return (dammit.markup, dammit.original_encoding, - dammit.declared_html_encoding, - dammit.contains_replacement_characters) - - def feed(self, markup): - args, kwargs = self.parser_args - parser = BeautifulSoupHTMLParser(*args, **kwargs) - parser.soup = self.soup - try: - parser.feed(markup) - except HTMLParseError, e: - warnings.warn(RuntimeWarning( - "Python's built-in HTMLParser cannot parse the given document. This is not a bug in Beautiful Soup. The best solution is to install an external parser (lxml or html5lib), and use Beautiful Soup with that parser. See http://www.crummy.com/software/BeautifulSoup/bs4/doc/#installing-a-parser for help.")) - raise e - -# Patch 3.2 versions of HTMLParser earlier than 3.2.3 to use some -# 3.2.3 code. This ensures they don't treat markup like

as a -# string. -# -# XXX This code can be removed once most Python 3 users are on 3.2.3. -if major == 3 and minor == 2 and not CONSTRUCTOR_TAKES_STRICT: - import re - attrfind_tolerant = re.compile( - r'\s*((?<=[\'"\s])[^\s/>][^\s/=>]*)(\s*=+\s*' - r'(\'[^\']*\'|"[^"]*"|(?![\'"])[^>\s]*))?') - HTMLParserTreeBuilder.attrfind_tolerant = attrfind_tolerant - - locatestarttagend = re.compile(r""" - <[a-zA-Z][-.a-zA-Z0-9:_]* # tag name - (?:\s+ # whitespace before attribute name - (?:[a-zA-Z_][-.:a-zA-Z0-9_]* # attribute name - (?:\s*=\s* # value indicator - (?:'[^']*' # LITA-enclosed value - |\"[^\"]*\" # LIT-enclosed value - |[^'\">\s]+ # bare value - ) - )? - ) - )* - \s* # trailing whitespace -""", re.VERBOSE) - BeautifulSoupHTMLParser.locatestarttagend = locatestarttagend - - from html.parser import tagfind, attrfind - - def parse_starttag(self, i): - self.__starttag_text = None - endpos = self.check_for_whole_start_tag(i) - if endpos < 0: - return endpos - rawdata = self.rawdata - self.__starttag_text = rawdata[i:endpos] - - # Now parse the data between i+1 and j into a tag and attrs - attrs = [] - match = tagfind.match(rawdata, i+1) - assert match, 'unexpected call to parse_starttag()' - k = match.end() - self.lasttag = tag = rawdata[i+1:k].lower() - while k < endpos: - if self.strict: - m = attrfind.match(rawdata, k) - else: - m = attrfind_tolerant.match(rawdata, k) - if not m: - break - attrname, rest, attrvalue = m.group(1, 2, 3) - if not rest: - attrvalue = None - elif attrvalue[:1] == '\'' == attrvalue[-1:] or \ - attrvalue[:1] == '"' == attrvalue[-1:]: - attrvalue = attrvalue[1:-1] - if attrvalue: - attrvalue = self.unescape(attrvalue) - attrs.append((attrname.lower(), attrvalue)) - k = m.end() - - end = rawdata[k:endpos].strip() - if end not in (">", "/>"): - lineno, offset = self.getpos() - if "\n" in self.__starttag_text: - lineno = lineno + self.__starttag_text.count("\n") - offset = len(self.__starttag_text) \ - - self.__starttag_text.rfind("\n") - else: - offset = offset + len(self.__starttag_text) - if self.strict: - self.error("junk characters in start tag: %r" - % (rawdata[k:endpos][:20],)) - self.handle_data(rawdata[i:endpos]) - return endpos - if end.endswith('/>'): - # XHTML-style empty tag: - self.handle_startendtag(tag, attrs) - else: - self.handle_starttag(tag, attrs) - if tag in self.CDATA_CONTENT_ELEMENTS: - self.set_cdata_mode(tag) - return endpos - - def set_cdata_mode(self, elem): - self.cdata_elem = elem.lower() - self.interesting = re.compile(r'' % self.cdata_elem, re.I) - - BeautifulSoupHTMLParser.parse_starttag = parse_starttag - BeautifulSoupHTMLParser.set_cdata_mode = set_cdata_mode - - CONSTRUCTOR_TAKES_STRICT = True diff --git a/lib/bs4/builder/_lxml.py b/lib/bs4/builder/_lxml.py deleted file mode 100644 index be35d70..0000000 --- a/lib/bs4/builder/_lxml.py +++ /dev/null @@ -1,199 +0,0 @@ -__all__ = [ - 'LXMLTreeBuilderForXML', - 'LXMLTreeBuilder', - ] - -from io import BytesIO -from StringIO import StringIO -import collections -from lxml import etree -from bs4.element import Comment, Doctype, NamespacedAttribute -from bs4.builder import ( - FAST, - HTML, - HTMLTreeBuilder, - PERMISSIVE, - TreeBuilder, - XML) -from bs4.dammit import UnicodeDammit - -LXML = 'lxml' - -class LXMLTreeBuilderForXML(TreeBuilder): - DEFAULT_PARSER_CLASS = etree.XMLParser - - is_xml = True - - # Well, it's permissive by XML parser standards. - features = [LXML, XML, FAST, PERMISSIVE] - - CHUNK_SIZE = 512 - - # This namespace mapping is specified in the XML Namespace - # standard. - DEFAULT_NSMAPS = {'http://www.w3.org/XML/1998/namespace' : "xml"} - - @property - def default_parser(self): - # This can either return a parser object or a class, which - # will be instantiated with default arguments. - return etree.XMLParser(target=self, strip_cdata=False, recover=True) - - def __init__(self, parser=None, empty_element_tags=None): - if empty_element_tags is not None: - self.empty_element_tags = set(empty_element_tags) - if parser is None: - # Use the default parser. - parser = self.default_parser - if isinstance(parser, collections.Callable): - # Instantiate the parser with default arguments - parser = parser(target=self, strip_cdata=False) - self.parser = parser - self.soup = None - self.nsmaps = [self.DEFAULT_NSMAPS] - - def _getNsTag(self, tag): - # Split the namespace URL out of a fully-qualified lxml tag - # name. Copied from lxml's src/lxml/sax.py. - if tag[0] == '{': - return tuple(tag[1:].split('}', 1)) - else: - return (None, tag) - - def prepare_markup(self, markup, user_specified_encoding=None, - document_declared_encoding=None): - """ - :return: A 3-tuple (markup, original encoding, encoding - declared within markup). - """ - if isinstance(markup, unicode): - return markup, None, None, False - - try_encodings = [user_specified_encoding, document_declared_encoding] - dammit = UnicodeDammit(markup, try_encodings, is_html=True) - return (dammit.markup, dammit.original_encoding, - dammit.declared_html_encoding, - dammit.contains_replacement_characters) - - def feed(self, markup): - if isinstance(markup, bytes): - markup = BytesIO(markup) - elif isinstance(markup, unicode): - markup = StringIO(markup) - # Call feed() at least once, even if the markup is empty, - # or the parser won't be initialized. - data = markup.read(self.CHUNK_SIZE) - self.parser.feed(data) - while data != '': - # Now call feed() on the rest of the data, chunk by chunk. - data = markup.read(self.CHUNK_SIZE) - if data != '': - self.parser.feed(data) - self.parser.close() - - def close(self): - self.nsmaps = [self.DEFAULT_NSMAPS] - - def start(self, name, attrs, nsmap={}): - # Make sure attrs is a mutable dict--lxml may send an immutable dictproxy. - attrs = dict(attrs) - nsprefix = None - # Invert each namespace map as it comes in. - if len(self.nsmaps) > 1: - # There are no new namespaces for this tag, but - # non-default namespaces are in play, so we need a - # separate tag stack to know when they end. - self.nsmaps.append(None) - elif len(nsmap) > 0: - # A new namespace mapping has come into play. - inverted_nsmap = dict((value, key) for key, value in nsmap.items()) - self.nsmaps.append(inverted_nsmap) - # Also treat the namespace mapping as a set of attributes on the - # tag, so we can recreate it later. - attrs = attrs.copy() - for prefix, namespace in nsmap.items(): - attribute = NamespacedAttribute( - "xmlns", prefix, "http://www.w3.org/2000/xmlns/") - attrs[attribute] = namespace - - # Namespaces are in play. Find any attributes that came in - # from lxml with namespaces attached to their names, and - # turn then into NamespacedAttribute objects. - new_attrs = {} - for attr, value in attrs.items(): - namespace, attr = self._getNsTag(attr) - if namespace is None: - new_attrs[attr] = value - else: - nsprefix = self._prefix_for_namespace(namespace) - attr = NamespacedAttribute(nsprefix, attr, namespace) - new_attrs[attr] = value - attrs = new_attrs - - namespace, name = self._getNsTag(name) - nsprefix = self._prefix_for_namespace(namespace) - self.soup.handle_starttag(name, namespace, nsprefix, attrs) - - def _prefix_for_namespace(self, namespace): - """Find the currently active prefix for the given namespace.""" - if namespace is None: - return None - for inverted_nsmap in reversed(self.nsmaps): - if inverted_nsmap is not None and namespace in inverted_nsmap: - return inverted_nsmap[namespace] - return None - - def end(self, name): - self.soup.endData() - completed_tag = self.soup.tagStack[-1] - namespace, name = self._getNsTag(name) - nsprefix = None - if namespace is not None: - for inverted_nsmap in reversed(self.nsmaps): - if inverted_nsmap is not None and namespace in inverted_nsmap: - nsprefix = inverted_nsmap[namespace] - break - self.soup.handle_endtag(name, nsprefix) - if len(self.nsmaps) > 1: - # This tag, or one of its parents, introduced a namespace - # mapping, so pop it off the stack. - self.nsmaps.pop() - - def pi(self, target, data): - pass - - def data(self, content): - self.soup.handle_data(content) - - def doctype(self, name, pubid, system): - self.soup.endData() - doctype = Doctype.for_name_and_ids(name, pubid, system) - self.soup.object_was_parsed(doctype) - - def comment(self, content): - "Handle comments as Comment objects." - self.soup.endData() - self.soup.handle_data(content) - self.soup.endData(Comment) - - def test_fragment_to_document(self, fragment): - """See `TreeBuilder`.""" - return u'\n%s' % fragment - - -class LXMLTreeBuilder(HTMLTreeBuilder, LXMLTreeBuilderForXML): - - features = [LXML, HTML, FAST, PERMISSIVE] - is_xml = False - - @property - def default_parser(self): - return etree.HTMLParser - - def feed(self, markup): - self.parser.feed(markup) - self.parser.close() - - def test_fragment_to_document(self, fragment): - """See `TreeBuilder`.""" - return u'%s' % fragment diff --git a/lib/bs4/dammit.py b/lib/bs4/dammit.py deleted file mode 100644 index a733cad..0000000 --- a/lib/bs4/dammit.py +++ /dev/null @@ -1,827 +0,0 @@ -# -*- coding: utf-8 -*- -"""Beautiful Soup bonus library: Unicode, Dammit - -This class forces XML data into a standard format (usually to UTF-8 or -Unicode). It is heavily based on code from Mark Pilgrim's Universal -Feed Parser. It does not rewrite the XML or HTML to reflect a new -encoding; that's the tree builder's job. -""" - -import codecs -from htmlentitydefs import codepoint2name -import re -import logging - -# Import a library to autodetect character encodings. -chardet_type = None -try: - # First try the fast C implementation. - # PyPI package: cchardet - import cchardet - def chardet_dammit(s): - return cchardet.detect(s)['encoding'] -except ImportError: - try: - # Fall back to the pure Python implementation - # Debian package: python-chardet - # PyPI package: chardet - import chardet - def chardet_dammit(s): - return chardet.detect(s)['encoding'] - #import chardet.constants - #chardet.constants._debug = 1 - except ImportError: - # No chardet available. - def chardet_dammit(s): - return None - -# Available from http://cjkpython.i18n.org/. -try: - import iconv_codec -except ImportError: - pass - -xml_encoding_re = re.compile( - '^<\?.*encoding=[\'"](.*?)[\'"].*\?>'.encode(), re.I) -html_meta_re = re.compile( - '<\s*meta[^>]+charset\s*=\s*["\']?([^>]*?)[ /;\'">]'.encode(), re.I) - -class EntitySubstitution(object): - - """Substitute XML or HTML entities for the corresponding characters.""" - - def _populate_class_variables(): - lookup = {} - reverse_lookup = {} - characters_for_re = [] - for codepoint, name in list(codepoint2name.items()): - character = unichr(codepoint) - if codepoint != 34: - # There's no point in turning the quotation mark into - # ", unless it happens within an attribute value, which - # is handled elsewhere. - characters_for_re.append(character) - lookup[character] = name - # But we do want to turn " into the quotation mark. - reverse_lookup[name] = character - re_definition = "[%s]" % "".join(characters_for_re) - return lookup, reverse_lookup, re.compile(re_definition) - (CHARACTER_TO_HTML_ENTITY, HTML_ENTITY_TO_CHARACTER, - CHARACTER_TO_HTML_ENTITY_RE) = _populate_class_variables() - - CHARACTER_TO_XML_ENTITY = { - "'": "apos", - '"': "quot", - "&": "amp", - "<": "lt", - ">": "gt", - } - - BARE_AMPERSAND_OR_BRACKET = re.compile("([<>]|" - "&(?!#\d+;|#x[0-9a-fA-F]+;|\w+;)" - ")") - - AMPERSAND_OR_BRACKET = re.compile("([<>&])") - - @classmethod - def _substitute_html_entity(cls, matchobj): - entity = cls.CHARACTER_TO_HTML_ENTITY.get(matchobj.group(0)) - return "&%s;" % entity - - @classmethod - def _substitute_xml_entity(cls, matchobj): - """Used with a regular expression to substitute the - appropriate XML entity for an XML special character.""" - entity = cls.CHARACTER_TO_XML_ENTITY[matchobj.group(0)] - return "&%s;" % entity - - @classmethod - def quoted_attribute_value(self, value): - """Make a value into a quoted XML attribute, possibly escaping it. - - Most strings will be quoted using double quotes. - - Bob's Bar -> "Bob's Bar" - - If a string contains double quotes, it will be quoted using - single quotes. - - Welcome to "my bar" -> 'Welcome to "my bar"' - - If a string contains both single and double quotes, the - double quotes will be escaped, and the string will be quoted - using double quotes. - - Welcome to "Bob's Bar" -> "Welcome to "Bob's bar" - """ - quote_with = '"' - if '"' in value: - if "'" in value: - # The string contains both single and double - # quotes. Turn the double quotes into - # entities. We quote the double quotes rather than - # the single quotes because the entity name is - # """ whether this is HTML or XML. If we - # quoted the single quotes, we'd have to decide - # between ' and &squot;. - replace_with = """ - value = value.replace('"', replace_with) - else: - # There are double quotes but no single quotes. - # We can use single quotes to quote the attribute. - quote_with = "'" - return quote_with + value + quote_with - - @classmethod - def substitute_xml(cls, value, make_quoted_attribute=False): - """Substitute XML entities for special XML characters. - - :param value: A string to be substituted. The less-than sign - will become <, the greater-than sign will become >, - and any ampersands will become &. If you want ampersands - that appear to be part of an entity definition to be left - alone, use substitute_xml_containing_entities() instead. - - :param make_quoted_attribute: If True, then the string will be - quoted, as befits an attribute value. - """ - # Escape angle brackets and ampersands. - value = cls.AMPERSAND_OR_BRACKET.sub( - cls._substitute_xml_entity, value) - - if make_quoted_attribute: - value = cls.quoted_attribute_value(value) - return value - - @classmethod - def substitute_xml_containing_entities( - cls, value, make_quoted_attribute=False): - """Substitute XML entities for special XML characters. - - :param value: A string to be substituted. The less-than sign will - become <, the greater-than sign will become >, and any - ampersands that are not part of an entity defition will - become &. - - :param make_quoted_attribute: If True, then the string will be - quoted, as befits an attribute value. - """ - # Escape angle brackets, and ampersands that aren't part of - # entities. - value = cls.BARE_AMPERSAND_OR_BRACKET.sub( - cls._substitute_xml_entity, value) - - if make_quoted_attribute: - value = cls.quoted_attribute_value(value) - return value - - - @classmethod - def substitute_html(cls, s): - """Replace certain Unicode characters with named HTML entities. - - This differs from data.encode(encoding, 'xmlcharrefreplace') - in that the goal is to make the result more readable (to those - with ASCII displays) rather than to recover from - errors. There's absolutely nothing wrong with a UTF-8 string - containg a LATIN SMALL LETTER E WITH ACUTE, but replacing that - character with "é" will make it more readable to some - people. - """ - return cls.CHARACTER_TO_HTML_ENTITY_RE.sub( - cls._substitute_html_entity, s) - - -class UnicodeDammit: - """A class for detecting the encoding of a *ML document and - converting it to a Unicode string. If the source encoding is - windows-1252, can replace MS smart quotes with their HTML or XML - equivalents.""" - - # This dictionary maps commonly seen values for "charset" in HTML - # meta tags to the corresponding Python codec names. It only covers - # values that aren't in Python's aliases and can't be determined - # by the heuristics in find_codec. - CHARSET_ALIASES = {"macintosh": "mac-roman", - "x-sjis": "shift-jis"} - - ENCODINGS_WITH_SMART_QUOTES = [ - "windows-1252", - "iso-8859-1", - "iso-8859-2", - ] - - def __init__(self, markup, override_encodings=[], - smart_quotes_to=None, is_html=False): - self.declared_html_encoding = None - self.smart_quotes_to = smart_quotes_to - self.tried_encodings = [] - self.contains_replacement_characters = False - - if markup == '' or isinstance(markup, unicode): - self.markup = markup - self.unicode_markup = unicode(markup) - self.original_encoding = None - return - - new_markup, document_encoding, sniffed_encoding = \ - self._detectEncoding(markup, is_html) - self.markup = new_markup - - u = None - if new_markup != markup: - # _detectEncoding modified the markup, then converted it to - # Unicode and then to UTF-8. So convert it from UTF-8. - u = self._convert_from("utf8") - self.original_encoding = sniffed_encoding - - if not u: - for proposed_encoding in ( - override_encodings + [document_encoding, sniffed_encoding]): - if proposed_encoding is not None: - u = self._convert_from(proposed_encoding) - if u: - break - - # If no luck and we have auto-detection library, try that: - if not u and not isinstance(self.markup, unicode): - u = self._convert_from(chardet_dammit(self.markup)) - - # As a last resort, try utf-8 and windows-1252: - if not u: - for proposed_encoding in ("utf-8", "windows-1252"): - u = self._convert_from(proposed_encoding) - if u: - break - - # As an absolute last resort, try the encodings again with - # character replacement. - if not u: - for proposed_encoding in ( - override_encodings + [ - document_encoding, sniffed_encoding, "utf-8", "windows-1252"]): - if proposed_encoding != "ascii": - u = self._convert_from(proposed_encoding, "replace") - if u is not None: - logging.warning( - "Some characters could not be decoded, and were " - "replaced with REPLACEMENT CHARACTER.") - self.contains_replacement_characters = True - break - - # We could at this point force it to ASCII, but that would - # destroy so much data that I think giving up is better - self.unicode_markup = u - if not u: - self.original_encoding = None - - def _sub_ms_char(self, match): - """Changes a MS smart quote character to an XML or HTML - entity, or an ASCII character.""" - orig = match.group(1) - if self.smart_quotes_to == 'ascii': - sub = self.MS_CHARS_TO_ASCII.get(orig).encode() - else: - sub = self.MS_CHARS.get(orig) - if type(sub) == tuple: - if self.smart_quotes_to == 'xml': - sub = '&#x'.encode() + sub[1].encode() + ';'.encode() - else: - sub = '&'.encode() + sub[0].encode() + ';'.encode() - else: - sub = sub.encode() - return sub - - def _convert_from(self, proposed, errors="strict"): - proposed = self.find_codec(proposed) - if not proposed or (proposed, errors) in self.tried_encodings: - return None - self.tried_encodings.append((proposed, errors)) - markup = self.markup - # Convert smart quotes to HTML if coming from an encoding - # that might have them. - if (self.smart_quotes_to is not None - and proposed.lower() in self.ENCODINGS_WITH_SMART_QUOTES): - smart_quotes_re = b"([\x80-\x9f])" - smart_quotes_compiled = re.compile(smart_quotes_re) - markup = smart_quotes_compiled.sub(self._sub_ms_char, markup) - - try: - #print "Trying to convert document to %s (errors=%s)" % ( - # proposed, errors) - u = self._to_unicode(markup, proposed, errors) - self.markup = u - self.original_encoding = proposed - except Exception as e: - #print "That didn't work!" - #print e - return None - #print "Correct encoding: %s" % proposed - return self.markup - - def _to_unicode(self, data, encoding, errors="strict"): - '''Given a string and its encoding, decodes the string into Unicode. - %encoding is a string recognized by encodings.aliases''' - - # strip Byte Order Mark (if present) - if (len(data) >= 4) and (data[:2] == '\xfe\xff') \ - and (data[2:4] != '\x00\x00'): - encoding = 'utf-16be' - data = data[2:] - elif (len(data) >= 4) and (data[:2] == '\xff\xfe') \ - and (data[2:4] != '\x00\x00'): - encoding = 'utf-16le' - data = data[2:] - elif data[:3] == '\xef\xbb\xbf': - encoding = 'utf-8' - data = data[3:] - elif data[:4] == '\x00\x00\xfe\xff': - encoding = 'utf-32be' - data = data[4:] - elif data[:4] == '\xff\xfe\x00\x00': - encoding = 'utf-32le' - data = data[4:] - newdata = unicode(data, encoding, errors) - return newdata - - def _detectEncoding(self, xml_data, is_html=False): - """Given a document, tries to detect its XML encoding.""" - xml_encoding = sniffed_xml_encoding = None - try: - if xml_data[:4] == b'\x4c\x6f\xa7\x94': - # EBCDIC - xml_data = self._ebcdic_to_ascii(xml_data) - elif xml_data[:4] == b'\x00\x3c\x00\x3f': - # UTF-16BE - sniffed_xml_encoding = 'utf-16be' - xml_data = unicode(xml_data, 'utf-16be').encode('utf-8') - elif (len(xml_data) >= 4) and (xml_data[:2] == b'\xfe\xff') \ - and (xml_data[2:4] != b'\x00\x00'): - # UTF-16BE with BOM - sniffed_xml_encoding = 'utf-16be' - xml_data = unicode(xml_data[2:], 'utf-16be').encode('utf-8') - elif xml_data[:4] == b'\x3c\x00\x3f\x00': - # UTF-16LE - sniffed_xml_encoding = 'utf-16le' - xml_data = unicode(xml_data, 'utf-16le').encode('utf-8') - elif (len(xml_data) >= 4) and (xml_data[:2] == b'\xff\xfe') and \ - (xml_data[2:4] != b'\x00\x00'): - # UTF-16LE with BOM - sniffed_xml_encoding = 'utf-16le' - xml_data = unicode(xml_data[2:], 'utf-16le').encode('utf-8') - elif xml_data[:4] == b'\x00\x00\x00\x3c': - # UTF-32BE - sniffed_xml_encoding = 'utf-32be' - xml_data = unicode(xml_data, 'utf-32be').encode('utf-8') - elif xml_data[:4] == b'\x3c\x00\x00\x00': - # UTF-32LE - sniffed_xml_encoding = 'utf-32le' - xml_data = unicode(xml_data, 'utf-32le').encode('utf-8') - elif xml_data[:4] == b'\x00\x00\xfe\xff': - # UTF-32BE with BOM - sniffed_xml_encoding = 'utf-32be' - xml_data = unicode(xml_data[4:], 'utf-32be').encode('utf-8') - elif xml_data[:4] == b'\xff\xfe\x00\x00': - # UTF-32LE with BOM - sniffed_xml_encoding = 'utf-32le' - xml_data = unicode(xml_data[4:], 'utf-32le').encode('utf-8') - elif xml_data[:3] == b'\xef\xbb\xbf': - # UTF-8 with BOM - sniffed_xml_encoding = 'utf-8' - xml_data = unicode(xml_data[3:], 'utf-8').encode('utf-8') - else: - sniffed_xml_encoding = 'ascii' - pass - except: - xml_encoding_match = None - xml_encoding_match = xml_encoding_re.match(xml_data) - if not xml_encoding_match and is_html: - xml_encoding_match = html_meta_re.search(xml_data) - if xml_encoding_match is not None: - xml_encoding = xml_encoding_match.groups()[0].decode( - 'ascii').lower() - if is_html: - self.declared_html_encoding = xml_encoding - if sniffed_xml_encoding and \ - (xml_encoding in ('iso-10646-ucs-2', 'ucs-2', 'csunicode', - 'iso-10646-ucs-4', 'ucs-4', 'csucs4', - 'utf-16', 'utf-32', 'utf_16', 'utf_32', - 'utf16', 'u16')): - xml_encoding = sniffed_xml_encoding - return xml_data, xml_encoding, sniffed_xml_encoding - - def find_codec(self, charset): - return self._codec(self.CHARSET_ALIASES.get(charset, charset)) \ - or (charset and self._codec(charset.replace("-", ""))) \ - or (charset and self._codec(charset.replace("-", "_"))) \ - or charset - - def _codec(self, charset): - if not charset: - return charset - codec = None - try: - codecs.lookup(charset) - codec = charset - except (LookupError, ValueError): - pass - return codec - - EBCDIC_TO_ASCII_MAP = None - - def _ebcdic_to_ascii(self, s): - c = self.__class__ - if not c.EBCDIC_TO_ASCII_MAP: - emap = (0,1,2,3,156,9,134,127,151,141,142,11,12,13,14,15, - 16,17,18,19,157,133,8,135,24,25,146,143,28,29,30,31, - 128,129,130,131,132,10,23,27,136,137,138,139,140,5,6,7, - 144,145,22,147,148,149,150,4,152,153,154,155,20,21,158,26, - 32,160,161,162,163,164,165,166,167,168,91,46,60,40,43,33, - 38,169,170,171,172,173,174,175,176,177,93,36,42,41,59,94, - 45,47,178,179,180,181,182,183,184,185,124,44,37,95,62,63, - 186,187,188,189,190,191,192,193,194,96,58,35,64,39,61,34, - 195,97,98,99,100,101,102,103,104,105,196,197,198,199,200, - 201,202,106,107,108,109,110,111,112,113,114,203,204,205, - 206,207,208,209,126,115,116,117,118,119,120,121,122,210, - 211,212,213,214,215,216,217,218,219,220,221,222,223,224, - 225,226,227,228,229,230,231,123,65,66,67,68,69,70,71,72, - 73,232,233,234,235,236,237,125,74,75,76,77,78,79,80,81, - 82,238,239,240,241,242,243,92,159,83,84,85,86,87,88,89, - 90,244,245,246,247,248,249,48,49,50,51,52,53,54,55,56,57, - 250,251,252,253,254,255) - import string - c.EBCDIC_TO_ASCII_MAP = string.maketrans( - ''.join(map(chr, list(range(256)))), ''.join(map(chr, emap))) - return s.translate(c.EBCDIC_TO_ASCII_MAP) - - # A partial mapping of ISO-Latin-1 to HTML entities/XML numeric entities. - MS_CHARS = {b'\x80': ('euro', '20AC'), - b'\x81': ' ', - b'\x82': ('sbquo', '201A'), - b'\x83': ('fnof', '192'), - b'\x84': ('bdquo', '201E'), - b'\x85': ('hellip', '2026'), - b'\x86': ('dagger', '2020'), - b'\x87': ('Dagger', '2021'), - b'\x88': ('circ', '2C6'), - b'\x89': ('permil', '2030'), - b'\x8A': ('Scaron', '160'), - b'\x8B': ('lsaquo', '2039'), - b'\x8C': ('OElig', '152'), - b'\x8D': '?', - b'\x8E': ('#x17D', '17D'), - b'\x8F': '?', - b'\x90': '?', - b'\x91': ('lsquo', '2018'), - b'\x92': ('rsquo', '2019'), - b'\x93': ('ldquo', '201C'), - b'\x94': ('rdquo', '201D'), - b'\x95': ('bull', '2022'), - b'\x96': ('ndash', '2013'), - b'\x97': ('mdash', '2014'), - b'\x98': ('tilde', '2DC'), - b'\x99': ('trade', '2122'), - b'\x9a': ('scaron', '161'), - b'\x9b': ('rsaquo', '203A'), - b'\x9c': ('oelig', '153'), - b'\x9d': '?', - b'\x9e': ('#x17E', '17E'), - b'\x9f': ('Yuml', ''),} - - # A parochial partial mapping of ISO-Latin-1 to ASCII. Contains - # horrors like stripping diacritical marks to turn á into a, but also - # contains non-horrors like turning “ into ". - MS_CHARS_TO_ASCII = { - b'\x80' : 'EUR', - b'\x81' : ' ', - b'\x82' : ',', - b'\x83' : 'f', - b'\x84' : ',,', - b'\x85' : '...', - b'\x86' : '+', - b'\x87' : '++', - b'\x88' : '^', - b'\x89' : '%', - b'\x8a' : 'S', - b'\x8b' : '<', - b'\x8c' : 'OE', - b'\x8d' : '?', - b'\x8e' : 'Z', - b'\x8f' : '?', - b'\x90' : '?', - b'\x91' : "'", - b'\x92' : "'", - b'\x93' : '"', - b'\x94' : '"', - b'\x95' : '*', - b'\x96' : '-', - b'\x97' : '--', - b'\x98' : '~', - b'\x99' : '(TM)', - b'\x9a' : 's', - b'\x9b' : '>', - b'\x9c' : 'oe', - b'\x9d' : '?', - b'\x9e' : 'z', - b'\x9f' : 'Y', - b'\xa0' : ' ', - b'\xa1' : '!', - b'\xa2' : 'c', - b'\xa3' : 'GBP', - b'\xa4' : '$', #This approximation is especially parochial--this is the - #generic currency symbol. - b'\xa5' : 'YEN', - b'\xa6' : '|', - b'\xa7' : 'S', - b'\xa8' : '..', - b'\xa9' : '', - b'\xaa' : '(th)', - b'\xab' : '<<', - b'\xac' : '!', - b'\xad' : ' ', - b'\xae' : '(R)', - b'\xaf' : '-', - b'\xb0' : 'o', - b'\xb1' : '+-', - b'\xb2' : '2', - b'\xb3' : '3', - b'\xb4' : ("'", 'acute'), - b'\xb5' : 'u', - b'\xb6' : 'P', - b'\xb7' : '*', - b'\xb8' : ',', - b'\xb9' : '1', - b'\xba' : '(th)', - b'\xbb' : '>>', - b'\xbc' : '1/4', - b'\xbd' : '1/2', - b'\xbe' : '3/4', - b'\xbf' : '?', - b'\xc0' : 'A', - b'\xc1' : 'A', - b'\xc2' : 'A', - b'\xc3' : 'A', - b'\xc4' : 'A', - b'\xc5' : 'A', - b'\xc6' : 'AE', - b'\xc7' : 'C', - b'\xc8' : 'E', - b'\xc9' : 'E', - b'\xca' : 'E', - b'\xcb' : 'E', - b'\xcc' : 'I', - b'\xcd' : 'I', - b'\xce' : 'I', - b'\xcf' : 'I', - b'\xd0' : 'D', - b'\xd1' : 'N', - b'\xd2' : 'O', - b'\xd3' : 'O', - b'\xd4' : 'O', - b'\xd5' : 'O', - b'\xd6' : 'O', - b'\xd7' : '*', - b'\xd8' : 'O', - b'\xd9' : 'U', - b'\xda' : 'U', - b'\xdb' : 'U', - b'\xdc' : 'U', - b'\xdd' : 'Y', - b'\xde' : 'b', - b'\xdf' : 'B', - b'\xe0' : 'a', - b'\xe1' : 'a', - b'\xe2' : 'a', - b'\xe3' : 'a', - b'\xe4' : 'a', - b'\xe5' : 'a', - b'\xe6' : 'ae', - b'\xe7' : 'c', - b'\xe8' : 'e', - b'\xe9' : 'e', - b'\xea' : 'e', - b'\xeb' : 'e', - b'\xec' : 'i', - b'\xed' : 'i', - b'\xee' : 'i', - b'\xef' : 'i', - b'\xf0' : 'o', - b'\xf1' : 'n', - b'\xf2' : 'o', - b'\xf3' : 'o', - b'\xf4' : 'o', - b'\xf5' : 'o', - b'\xf6' : 'o', - b'\xf7' : '/', - b'\xf8' : 'o', - b'\xf9' : 'u', - b'\xfa' : 'u', - b'\xfb' : 'u', - b'\xfc' : 'u', - b'\xfd' : 'y', - b'\xfe' : 'b', - b'\xff' : 'y', - } - - # A map used when removing rogue Windows-1252/ISO-8859-1 - # characters in otherwise UTF-8 documents. - # - # Note that \x81, \x8d, \x8f, \x90, and \x9d are undefined in - # Windows-1252. - WINDOWS_1252_TO_UTF8 = { - 0x80 : b'\xe2\x82\xac', # € - 0x82 : b'\xe2\x80\x9a', # ‚ - 0x83 : b'\xc6\x92', # Æ’ - 0x84 : b'\xe2\x80\x9e', # „ - 0x85 : b'\xe2\x80\xa6', # … - 0x86 : b'\xe2\x80\xa0', # † - 0x87 : b'\xe2\x80\xa1', # ‡ - 0x88 : b'\xcb\x86', # ˆ - 0x89 : b'\xe2\x80\xb0', # ‰ - 0x8a : b'\xc5\xa0', # Å  - 0x8b : b'\xe2\x80\xb9', # ‹ - 0x8c : b'\xc5\x92', # Å’ - 0x8e : b'\xc5\xbd', # Ž - 0x91 : b'\xe2\x80\x98', # ‘ - 0x92 : b'\xe2\x80\x99', # ’ - 0x93 : b'\xe2\x80\x9c', # “ - 0x94 : b'\xe2\x80\x9d', # †- 0x95 : b'\xe2\x80\xa2', # • - 0x96 : b'\xe2\x80\x93', # – - 0x97 : b'\xe2\x80\x94', # — - 0x98 : b'\xcb\x9c', # Ëœ - 0x99 : b'\xe2\x84\xa2', # â„¢ - 0x9a : b'\xc5\xa1', # Å¡ - 0x9b : b'\xe2\x80\xba', # › - 0x9c : b'\xc5\x93', # Å“ - 0x9e : b'\xc5\xbe', # ž - 0x9f : b'\xc5\xb8', # Ÿ - 0xa0 : b'\xc2\xa0', #   - 0xa1 : b'\xc2\xa1', # ¡ - 0xa2 : b'\xc2\xa2', # ¢ - 0xa3 : b'\xc2\xa3', # £ - 0xa4 : b'\xc2\xa4', # ¤ - 0xa5 : b'\xc2\xa5', # Â¥ - 0xa6 : b'\xc2\xa6', # ¦ - 0xa7 : b'\xc2\xa7', # § - 0xa8 : b'\xc2\xa8', # ¨ - 0xa9 : b'\xc2\xa9', # © - 0xaa : b'\xc2\xaa', # ª - 0xab : b'\xc2\xab', # « - 0xac : b'\xc2\xac', # ¬ - 0xad : b'\xc2\xad', # ­ - 0xae : b'\xc2\xae', # ® - 0xaf : b'\xc2\xaf', # ¯ - 0xb0 : b'\xc2\xb0', # ° - 0xb1 : b'\xc2\xb1', # ± - 0xb2 : b'\xc2\xb2', # ² - 0xb3 : b'\xc2\xb3', # ³ - 0xb4 : b'\xc2\xb4', # ´ - 0xb5 : b'\xc2\xb5', # µ - 0xb6 : b'\xc2\xb6', # ¶ - 0xb7 : b'\xc2\xb7', # · - 0xb8 : b'\xc2\xb8', # ¸ - 0xb9 : b'\xc2\xb9', # ¹ - 0xba : b'\xc2\xba', # º - 0xbb : b'\xc2\xbb', # » - 0xbc : b'\xc2\xbc', # ¼ - 0xbd : b'\xc2\xbd', # ½ - 0xbe : b'\xc2\xbe', # ¾ - 0xbf : b'\xc2\xbf', # ¿ - 0xc0 : b'\xc3\x80', # À - 0xc1 : b'\xc3\x81', # à - 0xc2 : b'\xc3\x82', #  - 0xc3 : b'\xc3\x83', # à - 0xc4 : b'\xc3\x84', # Ä - 0xc5 : b'\xc3\x85', # Ã… - 0xc6 : b'\xc3\x86', # Æ - 0xc7 : b'\xc3\x87', # Ç - 0xc8 : b'\xc3\x88', # È - 0xc9 : b'\xc3\x89', # É - 0xca : b'\xc3\x8a', # Ê - 0xcb : b'\xc3\x8b', # Ë - 0xcc : b'\xc3\x8c', # ÃŒ - 0xcd : b'\xc3\x8d', # à - 0xce : b'\xc3\x8e', # ÃŽ - 0xcf : b'\xc3\x8f', # à - 0xd0 : b'\xc3\x90', # à - 0xd1 : b'\xc3\x91', # Ñ - 0xd2 : b'\xc3\x92', # Ã’ - 0xd3 : b'\xc3\x93', # Ó - 0xd4 : b'\xc3\x94', # Ô - 0xd5 : b'\xc3\x95', # Õ - 0xd6 : b'\xc3\x96', # Ö - 0xd7 : b'\xc3\x97', # × - 0xd8 : b'\xc3\x98', # Ø - 0xd9 : b'\xc3\x99', # Ù - 0xda : b'\xc3\x9a', # Ú - 0xdb : b'\xc3\x9b', # Û - 0xdc : b'\xc3\x9c', # Ãœ - 0xdd : b'\xc3\x9d', # à - 0xde : b'\xc3\x9e', # Þ - 0xdf : b'\xc3\x9f', # ß - 0xe0 : b'\xc3\xa0', # à - 0xe1 : b'\xa1', # á - 0xe2 : b'\xc3\xa2', # â - 0xe3 : b'\xc3\xa3', # ã - 0xe4 : b'\xc3\xa4', # ä - 0xe5 : b'\xc3\xa5', # Ã¥ - 0xe6 : b'\xc3\xa6', # æ - 0xe7 : b'\xc3\xa7', # ç - 0xe8 : b'\xc3\xa8', # è - 0xe9 : b'\xc3\xa9', # é - 0xea : b'\xc3\xaa', # ê - 0xeb : b'\xc3\xab', # ë - 0xec : b'\xc3\xac', # ì - 0xed : b'\xc3\xad', # í - 0xee : b'\xc3\xae', # î - 0xef : b'\xc3\xaf', # ï - 0xf0 : b'\xc3\xb0', # ð - 0xf1 : b'\xc3\xb1', # ñ - 0xf2 : b'\xc3\xb2', # ò - 0xf3 : b'\xc3\xb3', # ó - 0xf4 : b'\xc3\xb4', # ô - 0xf5 : b'\xc3\xb5', # õ - 0xf6 : b'\xc3\xb6', # ö - 0xf7 : b'\xc3\xb7', # ÷ - 0xf8 : b'\xc3\xb8', # ø - 0xf9 : b'\xc3\xb9', # ù - 0xfa : b'\xc3\xba', # ú - 0xfb : b'\xc3\xbb', # û - 0xfc : b'\xc3\xbc', # ü - 0xfd : b'\xc3\xbd', # ý - 0xfe : b'\xc3\xbe', # þ - } - - MULTIBYTE_MARKERS_AND_SIZES = [ - (0xc2, 0xdf, 2), # 2-byte characters start with a byte C2-DF - (0xe0, 0xef, 3), # 3-byte characters start with E0-EF - (0xf0, 0xf4, 4), # 4-byte characters start with F0-F4 - ] - - FIRST_MULTIBYTE_MARKER = MULTIBYTE_MARKERS_AND_SIZES[0][0] - LAST_MULTIBYTE_MARKER = MULTIBYTE_MARKERS_AND_SIZES[-1][1] - - @classmethod - def detwingle(cls, in_bytes, main_encoding="utf8", - embedded_encoding="windows-1252"): - """Fix characters from one encoding embedded in some other encoding. - - Currently the only situation supported is Windows-1252 (or its - subset ISO-8859-1), embedded in UTF-8. - - The input must be a bytestring. If you've already converted - the document to Unicode, you're too late. - - The output is a bytestring in which `embedded_encoding` - characters have been converted to their `main_encoding` - equivalents. - """ - if embedded_encoding.replace('_', '-').lower() not in ( - 'windows-1252', 'windows_1252'): - raise NotImplementedError( - "Windows-1252 and ISO-8859-1 are the only currently supported " - "embedded encodings.") - - if main_encoding.lower() not in ('utf8', 'utf-8'): - raise NotImplementedError( - "UTF-8 is the only currently supported main encoding.") - - byte_chunks = [] - - chunk_start = 0 - pos = 0 - while pos < len(in_bytes): - byte = in_bytes[pos] - if not isinstance(byte, int): - # Python 2.x - byte = ord(byte) - if (byte >= cls.FIRST_MULTIBYTE_MARKER - and byte <= cls.LAST_MULTIBYTE_MARKER): - # This is the start of a UTF-8 multibyte character. Skip - # to the end. - for start, end, size in cls.MULTIBYTE_MARKERS_AND_SIZES: - if byte >= start and byte <= end: - pos += size - break - elif byte >= 0x80 and byte in cls.WINDOWS_1252_TO_UTF8: - # We found a Windows-1252 character! - # Save the string up to this point as a chunk. - byte_chunks.append(in_bytes[chunk_start:pos]) - - # Now translate the Windows-1252 character into UTF-8 - # and add it as another, one-byte chunk. - byte_chunks.append(cls.WINDOWS_1252_TO_UTF8[byte]) - pos += 1 - chunk_start = pos - else: - # Go on to the next character. - pos += 1 - if chunk_start == 0: - # The string is unchanged. - return in_bytes - else: - # Store the final chunk. - byte_chunks.append(in_bytes[chunk_start:]) - return b''.join(byte_chunks) - diff --git a/lib/bs4/diagnose.py b/lib/bs4/diagnose.py deleted file mode 100644 index 25fda5c..0000000 --- a/lib/bs4/diagnose.py +++ /dev/null @@ -1,178 +0,0 @@ -"""Diagnostic functions, mainly for use when doing tech support.""" -from StringIO import StringIO -from HTMLParser import HTMLParser -from bs4 import BeautifulSoup, __version__ -from bs4.builder import builder_registry -import os -import random -import time -import traceback -import sys -import cProfile - -def diagnose(data): - """Diagnostic suite for isolating common problems.""" - print "Diagnostic running on Beautiful Soup %s" % __version__ - print "Python version %s" % sys.version - - basic_parsers = ["html.parser", "html5lib", "lxml"] - for name in basic_parsers: - for builder in builder_registry.builders: - if name in builder.features: - break - else: - basic_parsers.remove(name) - print ( - "I noticed that %s is not installed. Installing it may help." % - name) - - if 'lxml' in basic_parsers: - basic_parsers.append(["lxml", "xml"]) - from lxml import etree - print "Found lxml version %s" % ".".join(map(str,etree.LXML_VERSION)) - - if 'html5lib' in basic_parsers: - import html5lib - print "Found html5lib version %s" % html5lib.__version__ - - if hasattr(data, 'read'): - data = data.read() - elif os.path.exists(data): - print '"%s" looks like a filename. Reading data from the file.' % data - data = open(data).read() - elif data.startswith("http:") or data.startswith("https:"): - print '"%s" looks like a URL. Beautiful Soup is not an HTTP client.' % data - print "You need to use some other library to get the document behind the URL, and feed that document to Beautiful Soup." - return - print - - for parser in basic_parsers: - print "Trying to parse your markup with %s" % parser - success = False - try: - soup = BeautifulSoup(data, parser) - success = True - except Exception, e: - print "%s could not parse the markup." % parser - traceback.print_exc() - if success: - print "Here's what %s did with the markup:" % parser - print soup.prettify() - - print "-" * 80 - -def lxml_trace(data, html=True): - """Print out the lxml events that occur during parsing. - - This lets you see how lxml parses a document when no Beautiful - Soup code is running. - """ - from lxml import etree - for event, element in etree.iterparse(StringIO(data), html=html): - print("%s, %4s, %s" % (event, element.tag, element.text)) - -class AnnouncingParser(HTMLParser): - """Announces HTMLParser parse events, without doing anything else.""" - - def _p(self, s): - print(s) - - def handle_starttag(self, name, attrs): - self._p("%s START" % name) - - def handle_endtag(self, name): - self._p("%s END" % name) - - def handle_data(self, data): - self._p("%s DATA" % data) - - def handle_charref(self, name): - self._p("%s CHARREF" % name) - - def handle_entityref(self, name): - self._p("%s ENTITYREF" % name) - - def handle_comment(self, data): - self._p("%s COMMENT" % data) - - def handle_decl(self, data): - self._p("%s DECL" % data) - - def unknown_decl(self, data): - self._p("%s UNKNOWN-DECL" % data) - - def handle_pi(self, data): - self._p("%s PI" % data) - -def htmlparser_trace(data): - """Print out the HTMLParser events that occur during parsing. - - This lets you see how HTMLParser parses a document when no - Beautiful Soup code is running. - """ - parser = AnnouncingParser() - parser.feed(data) - -_vowels = "aeiou" -_consonants = "bcdfghjklmnpqrstvwxyz" - -def rword(length=5): - "Generate a random word-like string." - s = '' - for i in range(length): - if i % 2 == 0: - t = _consonants - else: - t = _vowels - s += random.choice(t) - return s - -def rsentence(length=4): - "Generate a random sentence-like string." - return " ".join(rword(random.randint(4,9)) for i in range(length)) - -def rdoc(num_elements=1000): - """Randomly generate an invalid HTML document.""" - tag_names = ['p', 'div', 'span', 'i', 'b', 'script', 'table'] - elements = [] - for i in range(num_elements): - choice = random.randint(0,3) - if choice == 0: - # New tag. - tag_name = random.choice(tag_names) - elements.append("<%s>" % tag_name) - elif choice == 1: - elements.append(rsentence(random.randint(1,4))) - elif choice == 2: - # Close a tag. - tag_name = random.choice(tag_names) - elements.append("" % tag_name) - return "" + "\n".join(elements) + "" - -def benchmark_parsers(num_elements=100000): - """Very basic head-to-head performance benchmark.""" - print "Comparative parser benchmark on Beautiful Soup %s" % __version__ - data = rdoc(num_elements) - print "Generated a large invalid HTML document (%d bytes)." % len(data) - - for parser in ["lxml", ["lxml", "html"], "html5lib", "html.parser"]: - success = False - try: - a = time.time() - soup = BeautifulSoup(data, parser) - b = time.time() - success = True - except Exception, e: - print "%s could not parse the markup." % parser - traceback.print_exc() - if success: - print "BS4+%s parsed the markup in %.2fs." % (parser, b-a) - - from lxml import etree - a = time.time() - etree.HTML(data) - b = time.time() - print "Raw lxml parsed the markup in %.2fs." % (b-a) - -if __name__ == '__main__': - diagnose(sys.stdin.read()) diff --git a/lib/bs4/element.py b/lib/bs4/element.py deleted file mode 100644 index f6864f2..0000000 --- a/lib/bs4/element.py +++ /dev/null @@ -1,1598 +0,0 @@ -import collections -import re -import sys -import warnings -from bs4.dammit import EntitySubstitution - -DEFAULT_OUTPUT_ENCODING = "utf-8" -PY3K = (sys.version_info[0] > 2) - -whitespace_re = re.compile("\s+") - -def _alias(attr): - """Alias one attribute name to another for backward compatibility""" - @property - def alias(self): - return getattr(self, attr) - - @alias.setter - def alias(self): - return setattr(self, attr) - return alias - - -class NamespacedAttribute(unicode): - - def __new__(cls, prefix, name, namespace=None): - if name is None: - obj = unicode.__new__(cls, prefix) - elif prefix is None: - # Not really namespaced. - obj = unicode.__new__(cls, name) - else: - obj = unicode.__new__(cls, prefix + ":" + name) - obj.prefix = prefix - obj.name = name - obj.namespace = namespace - return obj - -class AttributeValueWithCharsetSubstitution(unicode): - """A stand-in object for a character encoding specified in HTML.""" - -class CharsetMetaAttributeValue(AttributeValueWithCharsetSubstitution): - """A generic stand-in for the value of a meta tag's 'charset' attribute. - - When Beautiful Soup parses the markup '', the - value of the 'charset' attribute will be one of these objects. - """ - - def __new__(cls, original_value): - obj = unicode.__new__(cls, original_value) - obj.original_value = original_value - return obj - - def encode(self, encoding): - return encoding - - -class ContentMetaAttributeValue(AttributeValueWithCharsetSubstitution): - """A generic stand-in for the value of a meta tag's 'content' attribute. - - When Beautiful Soup parses the markup: - - - The value of the 'content' attribute will be one of these objects. - """ - - CHARSET_RE = re.compile("((^|;)\s*charset=)([^;]*)", re.M) - - def __new__(cls, original_value): - match = cls.CHARSET_RE.search(original_value) - if match is None: - # No substitution necessary. - return unicode.__new__(unicode, original_value) - - obj = unicode.__new__(cls, original_value) - obj.original_value = original_value - return obj - - def encode(self, encoding): - def rewrite(match): - return match.group(1) + encoding - return self.CHARSET_RE.sub(rewrite, self.original_value) - -class HTMLAwareEntitySubstitution(EntitySubstitution): - - """Entity substitution rules that are aware of some HTML quirks. - - Specifically, the contents of -""" - soup = BeautifulSoup(doc, "xml") - # lxml would have stripped this while parsing, but we can add - # it later. - soup.script.string = 'console.log("< < hey > > ");' - encoded = soup.encode() - self.assertTrue(b"< < hey > >" in encoded) - - def test_popping_namespaced_tag(self): - markup = 'b2012-07-02T20:33:42Zcd' - soup = self.soup(markup) - self.assertEqual( - unicode(soup.rss), markup) - - def test_docstring_includes_correct_encoding(self): - soup = self.soup("") - self.assertEqual( - soup.encode("latin1"), - b'\n') - - def test_large_xml_document(self): - """A large XML document should come out the same as it went in.""" - markup = (b'\n' - + b'0' * (2**12) - + b'') - soup = self.soup(markup) - self.assertEqual(soup.encode("utf-8"), markup) - - - def test_tags_are_empty_element_if_and_only_if_they_are_empty(self): - self.assertSoupEquals("

", "

") - self.assertSoupEquals("

foo

") - - def test_namespaces_are_preserved(self): - markup = 'This tag is in the a namespaceThis tag is in the b namespace' - soup = self.soup(markup) - root = soup.root - self.assertEqual("http://example.com/", root['xmlns:a']) - self.assertEqual("http://example.net/", root['xmlns:b']) - - def test_closing_namespaced_tag(self): - markup = '

20010504

' - soup = self.soup(markup) - self.assertEqual(unicode(soup.p), markup) - - def test_namespaced_attributes(self): - markup = '' - soup = self.soup(markup) - self.assertEqual(unicode(soup.foo), markup) - - def test_namespaced_attributes_xml_namespace(self): - markup = 'bar' - soup = self.soup(markup) - self.assertEqual(unicode(soup.foo), markup) - -class HTML5TreeBuilderSmokeTest(HTMLTreeBuilderSmokeTest): - """Smoke test for a tree builder that supports HTML5.""" - - def test_real_xhtml_document(self): - # Since XHTML is not HTML5, HTML5 parsers are not tested to handle - # XHTML documents in any particular way. - pass - - def test_html_tags_have_namespace(self): - markup = "" - soup = self.soup(markup) - self.assertEqual("http://www.w3.org/1999/xhtml", soup.a.namespace) - - def test_svg_tags_have_namespace(self): - markup = '' - soup = self.soup(markup) - namespace = "http://www.w3.org/2000/svg" - self.assertEqual(namespace, soup.svg.namespace) - self.assertEqual(namespace, soup.circle.namespace) - - - def test_mathml_tags_have_namespace(self): - markup = '5' - soup = self.soup(markup) - namespace = 'http://www.w3.org/1998/Math/MathML' - self.assertEqual(namespace, soup.math.namespace) - self.assertEqual(namespace, soup.msqrt.namespace) - - def test_xml_declaration_becomes_comment(self): - markup = '' - soup = self.soup(markup) - self.assertTrue(isinstance(soup.contents[0], Comment)) - self.assertEqual(soup.contents[0], '?xml version="1.0" encoding="utf-8"?') - self.assertEqual("html", soup.contents[0].next_element.name) - -def skipIf(condition, reason): - def nothing(test, *args, **kwargs): - return None - - def decorator(test_item): - if condition: - return nothing - else: - return test_item - - return decorator diff --git a/lib/bs4/tests/__init__.py b/lib/bs4/tests/__init__.py deleted file mode 100644 index 142c8cc..0000000 --- a/lib/bs4/tests/__init__.py +++ /dev/null @@ -1 +0,0 @@ -"The beautifulsoup tests." diff --git a/lib/bs4/tests/test_builder_registry.py b/lib/bs4/tests/test_builder_registry.py deleted file mode 100644 index 92ad10f..0000000 --- a/lib/bs4/tests/test_builder_registry.py +++ /dev/null @@ -1,141 +0,0 @@ -"""Tests of the builder registry.""" - -import unittest - -from bs4 import BeautifulSoup -from bs4.builder import ( - builder_registry as registry, - HTMLParserTreeBuilder, - TreeBuilderRegistry, -) - -try: - from bs4.builder import HTML5TreeBuilder - HTML5LIB_PRESENT = True -except ImportError: - HTML5LIB_PRESENT = False - -try: - from bs4.builder import ( - LXMLTreeBuilderForXML, - LXMLTreeBuilder, - ) - LXML_PRESENT = True -except ImportError: - LXML_PRESENT = False - - -class BuiltInRegistryTest(unittest.TestCase): - """Test the built-in registry with the default builders registered.""" - - def test_combination(self): - if LXML_PRESENT: - self.assertEqual(registry.lookup('fast', 'html'), - LXMLTreeBuilder) - - if LXML_PRESENT: - self.assertEqual(registry.lookup('permissive', 'xml'), - LXMLTreeBuilderForXML) - self.assertEqual(registry.lookup('strict', 'html'), - HTMLParserTreeBuilder) - if HTML5LIB_PRESENT: - self.assertEqual(registry.lookup('html5lib', 'html'), - HTML5TreeBuilder) - - def test_lookup_by_markup_type(self): - if LXML_PRESENT: - self.assertEqual(registry.lookup('html'), LXMLTreeBuilder) - self.assertEqual(registry.lookup('xml'), LXMLTreeBuilderForXML) - else: - self.assertEqual(registry.lookup('xml'), None) - if HTML5LIB_PRESENT: - self.assertEqual(registry.lookup('html'), HTML5TreeBuilder) - else: - self.assertEqual(registry.lookup('html'), HTMLParserTreeBuilder) - - def test_named_library(self): - if LXML_PRESENT: - self.assertEqual(registry.lookup('lxml', 'xml'), - LXMLTreeBuilderForXML) - self.assertEqual(registry.lookup('lxml', 'html'), - LXMLTreeBuilder) - if HTML5LIB_PRESENT: - self.assertEqual(registry.lookup('html5lib'), - HTML5TreeBuilder) - - self.assertEqual(registry.lookup('html.parser'), - HTMLParserTreeBuilder) - - def test_beautifulsoup_constructor_does_lookup(self): - # You can pass in a string. - BeautifulSoup("", features="html") - # Or a list of strings. - BeautifulSoup("", features=["html", "fast"]) - - # You'll get an exception if BS can't find an appropriate - # builder. - self.assertRaises(ValueError, BeautifulSoup, - "", features="no-such-feature") - -class RegistryTest(unittest.TestCase): - """Test the TreeBuilderRegistry class in general.""" - - def setUp(self): - self.registry = TreeBuilderRegistry() - - def builder_for_features(self, *feature_list): - cls = type('Builder_' + '_'.join(feature_list), - (object,), {'features' : feature_list}) - - self.registry.register(cls) - return cls - - def test_register_with_no_features(self): - builder = self.builder_for_features() - - # Since the builder advertises no features, you can't find it - # by looking up features. - self.assertEqual(self.registry.lookup('foo'), None) - - # But you can find it by doing a lookup with no features, if - # this happens to be the only registered builder. - self.assertEqual(self.registry.lookup(), builder) - - def test_register_with_features_makes_lookup_succeed(self): - builder = self.builder_for_features('foo', 'bar') - self.assertEqual(self.registry.lookup('foo'), builder) - self.assertEqual(self.registry.lookup('bar'), builder) - - def test_lookup_fails_when_no_builder_implements_feature(self): - builder = self.builder_for_features('foo', 'bar') - self.assertEqual(self.registry.lookup('baz'), None) - - def test_lookup_gets_most_recent_registration_when_no_feature_specified(self): - builder1 = self.builder_for_features('foo') - builder2 = self.builder_for_features('bar') - self.assertEqual(self.registry.lookup(), builder2) - - def test_lookup_fails_when_no_tree_builders_registered(self): - self.assertEqual(self.registry.lookup(), None) - - def test_lookup_gets_most_recent_builder_supporting_all_features(self): - has_one = self.builder_for_features('foo') - has_the_other = self.builder_for_features('bar') - has_both_early = self.builder_for_features('foo', 'bar', 'baz') - has_both_late = self.builder_for_features('foo', 'bar', 'quux') - lacks_one = self.builder_for_features('bar') - has_the_other = self.builder_for_features('foo') - - # There are two builders featuring 'foo' and 'bar', but - # the one that also features 'quux' was registered later. - self.assertEqual(self.registry.lookup('foo', 'bar'), - has_both_late) - - # There is only one builder featuring 'foo', 'bar', and 'baz'. - self.assertEqual(self.registry.lookup('foo', 'bar', 'baz'), - has_both_early) - - def test_lookup_fails_when_cannot_reconcile_requested_features(self): - builder1 = self.builder_for_features('foo', 'bar') - builder2 = self.builder_for_features('foo', 'baz') - self.assertEqual(self.registry.lookup('bar', 'baz'), None) diff --git a/lib/bs4/tests/test_docs.py b/lib/bs4/tests/test_docs.py deleted file mode 100644 index 5b9f677..0000000 --- a/lib/bs4/tests/test_docs.py +++ /dev/null @@ -1,36 +0,0 @@ -"Test harness for doctests." - -# pylint: disable-msg=E0611,W0142 - -__metaclass__ = type -__all__ = [ - 'additional_tests', - ] - -import atexit -import doctest -import os -#from pkg_resources import ( -# resource_filename, resource_exists, resource_listdir, cleanup_resources) -import unittest - -DOCTEST_FLAGS = ( - doctest.ELLIPSIS | - doctest.NORMALIZE_WHITESPACE | - doctest.REPORT_NDIFF) - - -# def additional_tests(): -# "Run the doc tests (README.txt and docs/*, if any exist)" -# doctest_files = [ -# os.path.abspath(resource_filename('bs4', 'README.txt'))] -# if resource_exists('bs4', 'docs'): -# for name in resource_listdir('bs4', 'docs'): -# if name.endswith('.txt'): -# doctest_files.append( -# os.path.abspath( -# resource_filename('bs4', 'docs/%s' % name))) -# kwargs = dict(module_relative=False, optionflags=DOCTEST_FLAGS) -# atexit.register(cleanup_resources) -# return unittest.TestSuite(( -# doctest.DocFileSuite(*doctest_files, **kwargs))) diff --git a/lib/bs4/tests/test_html5lib.py b/lib/bs4/tests/test_html5lib.py deleted file mode 100644 index 2a3b41e..0000000 --- a/lib/bs4/tests/test_html5lib.py +++ /dev/null @@ -1,72 +0,0 @@ -"""Tests to ensure that the html5lib tree builder generates good trees.""" - -import warnings - -try: - from bs4.builder import HTML5TreeBuilder - HTML5LIB_PRESENT = True -except ImportError, e: - HTML5LIB_PRESENT = False -from bs4.element import SoupStrainer -from bs4.testing import ( - HTML5TreeBuilderSmokeTest, - SoupTest, - skipIf, -) - -@skipIf( - not HTML5LIB_PRESENT, - "html5lib seems not to be present, not testing its tree builder.") -class HTML5LibBuilderSmokeTest(SoupTest, HTML5TreeBuilderSmokeTest): - """See ``HTML5TreeBuilderSmokeTest``.""" - - @property - def default_builder(self): - return HTML5TreeBuilder() - - def test_soupstrainer(self): - # The html5lib tree builder does not support SoupStrainers. - strainer = SoupStrainer("b") - markup = "

A bold statement.

" - with warnings.catch_warnings(record=True) as w: - soup = self.soup(markup, parse_only=strainer) - self.assertEqual( - soup.decode(), self.document_for(markup)) - - self.assertTrue( - "the html5lib tree builder doesn't support parse_only" in - str(w[0].message)) - - def test_correctly_nested_tables(self): - """html5lib inserts tags where other parsers don't.""" - markup = ('' - '' - "') - - self.assertSoupEquals( - markup, - '
Here's another table:" - '' - '' - '
foo
Here\'s another table:' - '
foo
' - '
') - - self.assertSoupEquals( - "" - "" - "
Foo
Bar
Baz
") - - def test_xml_declaration_followed_by_doctype(self): - markup = ''' - - - - - -

foo

- -''' - soup = self.soup(markup) - # Verify that we can reach the

tag; this means the tree is connected. - self.assertEqual(b"

foo

", soup.p.encode()) diff --git a/lib/bs4/tests/test_htmlparser.py b/lib/bs4/tests/test_htmlparser.py deleted file mode 100644 index bcb5ed2..0000000 --- a/lib/bs4/tests/test_htmlparser.py +++ /dev/null @@ -1,19 +0,0 @@ -"""Tests to ensure that the html.parser tree builder generates good -trees.""" - -from bs4.testing import SoupTest, HTMLTreeBuilderSmokeTest -from bs4.builder import HTMLParserTreeBuilder - -class HTMLParserTreeBuilderSmokeTest(SoupTest, HTMLTreeBuilderSmokeTest): - - @property - def default_builder(self): - return HTMLParserTreeBuilder() - - def test_namespaced_system_doctype(self): - # html.parser can't handle namespaced doctypes, so skip this one. - pass - - def test_namespaced_public_doctype(self): - # html.parser can't handle namespaced doctypes, so skip this one. - pass diff --git a/lib/bs4/tests/test_lxml.py b/lib/bs4/tests/test_lxml.py deleted file mode 100644 index 80458de..0000000 --- a/lib/bs4/tests/test_lxml.py +++ /dev/null @@ -1,88 +0,0 @@ -"""Tests to ensure that the lxml tree builder generates good trees.""" - -import re -import warnings - -try: - from bs4.builder import LXMLTreeBuilder, LXMLTreeBuilderForXML - LXML_PRESENT = True - import lxml.etree - LXML_VERSION = lxml.etree.LXML_VERSION -except ImportError, e: - LXML_PRESENT = False - LXML_VERSION = (0,) - -from bs4 import ( - BeautifulSoup, - BeautifulStoneSoup, - ) -from bs4.element import Comment, Doctype, SoupStrainer -from bs4.testing import skipIf -from bs4.tests import test_htmlparser -from bs4.testing import ( - HTMLTreeBuilderSmokeTest, - XMLTreeBuilderSmokeTest, - SoupTest, - skipIf, -) - -@skipIf( - not LXML_PRESENT, - "lxml seems not to be present, not testing its tree builder.") -class LXMLTreeBuilderSmokeTest(SoupTest, HTMLTreeBuilderSmokeTest): - """See ``HTMLTreeBuilderSmokeTest``.""" - - @property - def default_builder(self): - return LXMLTreeBuilder() - - def test_out_of_range_entity(self): - self.assertSoupEquals( - "

foo�bar

", "

foobar

") - self.assertSoupEquals( - "

foo�bar

", "

foobar

") - self.assertSoupEquals( - "

foo�bar

", "

foobar

") - - # In lxml < 2.3.5, an empty doctype causes a segfault. Skip this - # test if an old version of lxml is installed. - - @skipIf( - not LXML_PRESENT or LXML_VERSION < (2,3,5,0), - "Skipping doctype test for old version of lxml to avoid segfault.") - def test_empty_doctype(self): - soup = self.soup("") - doctype = soup.contents[0] - self.assertEqual("", doctype.strip()) - - def test_beautifulstonesoup_is_xml_parser(self): - # Make sure that the deprecated BSS class uses an xml builder - # if one is installed. - with warnings.catch_warnings(record=False) as w: - soup = BeautifulStoneSoup("") - self.assertEqual(u"", unicode(soup.b)) - - def test_real_xhtml_document(self): - """lxml strips the XML definition from an XHTML doc, which is fine.""" - markup = b""" - - -Hello. -Goodbye. -""" - soup = self.soup(markup) - self.assertEqual( - soup.encode("utf-8").replace(b"\n", b''), - markup.replace(b'\n', b'').replace( - b'', b'')) - - -@skipIf( - not LXML_PRESENT, - "lxml seems not to be present, not testing its XML tree builder.") -class LXMLXMLTreeBuilderSmokeTest(SoupTest, XMLTreeBuilderSmokeTest): - """See ``HTMLTreeBuilderSmokeTest``.""" - - @property - def default_builder(self): - return LXMLTreeBuilderForXML() diff --git a/lib/bs4/tests/test_soup.py b/lib/bs4/tests/test_soup.py deleted file mode 100644 index b127716..0000000 --- a/lib/bs4/tests/test_soup.py +++ /dev/null @@ -1,383 +0,0 @@ -# -*- coding: utf-8 -*- -"""Tests of Beautiful Soup as a whole.""" - -import logging -import unittest -import sys -from bs4 import ( - BeautifulSoup, - BeautifulStoneSoup, -) -from bs4.element import ( - CharsetMetaAttributeValue, - ContentMetaAttributeValue, - SoupStrainer, - NamespacedAttribute, - ) -import bs4.dammit -from bs4.dammit import EntitySubstitution, UnicodeDammit -from bs4.testing import ( - SoupTest, - skipIf, -) -import warnings - -try: - from bs4.builder import LXMLTreeBuilder, LXMLTreeBuilderForXML - LXML_PRESENT = True -except ImportError, e: - LXML_PRESENT = False - -PYTHON_2_PRE_2_7 = (sys.version_info < (2,7)) -PYTHON_3_PRE_3_2 = (sys.version_info[0] == 3 and sys.version_info < (3,2)) - -class TestDeprecatedConstructorArguments(SoupTest): - - def test_parseOnlyThese_renamed_to_parse_only(self): - with warnings.catch_warnings(record=True) as w: - soup = self.soup("", parseOnlyThese=SoupStrainer("b")) - msg = str(w[0].message) - self.assertTrue("parseOnlyThese" in msg) - self.assertTrue("parse_only" in msg) - self.assertEqual(b"", soup.encode()) - - def test_fromEncoding_renamed_to_from_encoding(self): - with warnings.catch_warnings(record=True) as w: - utf8 = b"\xc3\xa9" - soup = self.soup(utf8, fromEncoding="utf8") - msg = str(w[0].message) - self.assertTrue("fromEncoding" in msg) - self.assertTrue("from_encoding" in msg) - self.assertEqual("utf8", soup.original_encoding) - - def test_unrecognized_keyword_argument(self): - self.assertRaises( - TypeError, self.soup, "", no_such_argument=True) - - @skipIf( - not LXML_PRESENT, - "lxml not present, not testing BeautifulStoneSoup.") - def test_beautifulstonesoup(self): - with warnings.catch_warnings(record=True) as w: - soup = BeautifulStoneSoup("") - self.assertTrue(isinstance(soup, BeautifulSoup)) - self.assertTrue("BeautifulStoneSoup class is deprecated") - -class TestSelectiveParsing(SoupTest): - - def test_parse_with_soupstrainer(self): - markup = "NoYesNoYes Yes" - strainer = SoupStrainer("b") - soup = self.soup(markup, parse_only=strainer) - self.assertEqual(soup.encode(), b"YesYes Yes") - - -class TestEntitySubstitution(unittest.TestCase): - """Standalone tests of the EntitySubstitution class.""" - def setUp(self): - self.sub = EntitySubstitution - - def test_simple_html_substitution(self): - # Unicode characters corresponding to named HTML entites - # are substituted, and no others. - s = u"foo\u2200\N{SNOWMAN}\u00f5bar" - self.assertEqual(self.sub.substitute_html(s), - u"foo∀\N{SNOWMAN}õbar") - - def test_smart_quote_substitution(self): - # MS smart quotes are a common source of frustration, so we - # give them a special test. - quotes = b"\x91\x92foo\x93\x94" - dammit = UnicodeDammit(quotes) - self.assertEqual(self.sub.substitute_html(dammit.markup), - "‘’foo“”") - - def test_xml_converstion_includes_no_quotes_if_make_quoted_attribute_is_false(self): - s = 'Welcome to "my bar"' - self.assertEqual(self.sub.substitute_xml(s, False), s) - - def test_xml_attribute_quoting_normally_uses_double_quotes(self): - self.assertEqual(self.sub.substitute_xml("Welcome", True), - '"Welcome"') - self.assertEqual(self.sub.substitute_xml("Bob's Bar", True), - '"Bob\'s Bar"') - - def test_xml_attribute_quoting_uses_single_quotes_when_value_contains_double_quotes(self): - s = 'Welcome to "my bar"' - self.assertEqual(self.sub.substitute_xml(s, True), - "'Welcome to \"my bar\"'") - - def test_xml_attribute_quoting_escapes_single_quotes_when_value_contains_both_single_and_double_quotes(self): - s = 'Welcome to "Bob\'s Bar"' - self.assertEqual( - self.sub.substitute_xml(s, True), - '"Welcome to "Bob\'s Bar""') - - def test_xml_quotes_arent_escaped_when_value_is_not_being_quoted(self): - quoted = 'Welcome to "Bob\'s Bar"' - self.assertEqual(self.sub.substitute_xml(quoted), quoted) - - def test_xml_quoting_handles_angle_brackets(self): - self.assertEqual( - self.sub.substitute_xml("foo"), - "foo<bar>") - - def test_xml_quoting_handles_ampersands(self): - self.assertEqual(self.sub.substitute_xml("AT&T"), "AT&T") - - def test_xml_quoting_including_ampersands_when_they_are_part_of_an_entity(self): - self.assertEqual( - self.sub.substitute_xml("ÁT&T"), - "&Aacute;T&T") - - def test_xml_quoting_ignoring_ampersands_when_they_are_part_of_an_entity(self): - self.assertEqual( - self.sub.substitute_xml_containing_entities("ÁT&T"), - "ÁT&T") - - def test_quotes_not_html_substituted(self): - """There's no need to do this except inside attribute values.""" - text = 'Bob\'s "bar"' - self.assertEqual(self.sub.substitute_html(text), text) - - -class TestEncodingConversion(SoupTest): - # Test Beautiful Soup's ability to decode and encode from various - # encodings. - - def setUp(self): - super(TestEncodingConversion, self).setUp() - self.unicode_data = u'Sacr\N{LATIN SMALL LETTER E WITH ACUTE} bleu!' - self.utf8_data = self.unicode_data.encode("utf-8") - # Just so you know what it looks like. - self.assertEqual( - self.utf8_data, - b'Sacr\xc3\xa9 bleu!') - - def test_ascii_in_unicode_out(self): - # ASCII input is converted to Unicode. The original_encoding - # attribute is set. - ascii = b"a" - soup_from_ascii = self.soup(ascii) - unicode_output = soup_from_ascii.decode() - self.assertTrue(isinstance(unicode_output, unicode)) - self.assertEqual(unicode_output, self.document_for(ascii.decode())) - self.assertEqual(soup_from_ascii.original_encoding.lower(), "ascii") - - def test_unicode_in_unicode_out(self): - # Unicode input is left alone. The original_encoding attribute - # is not set. - soup_from_unicode = self.soup(self.unicode_data) - self.assertEqual(soup_from_unicode.decode(), self.unicode_data) - self.assertEqual(soup_from_unicode.foo.string, u'Sacr\xe9 bleu!') - self.assertEqual(soup_from_unicode.original_encoding, None) - - def test_utf8_in_unicode_out(self): - # UTF-8 input is converted to Unicode. The original_encoding - # attribute is set. - soup_from_utf8 = self.soup(self.utf8_data) - self.assertEqual(soup_from_utf8.decode(), self.unicode_data) - self.assertEqual(soup_from_utf8.foo.string, u'Sacr\xe9 bleu!') - - def test_utf8_out(self): - # The internal data structures can be encoded as UTF-8. - soup_from_unicode = self.soup(self.unicode_data) - self.assertEqual(soup_from_unicode.encode('utf-8'), self.utf8_data) - - @skipIf( - PYTHON_2_PRE_2_7 or PYTHON_3_PRE_3_2, - "Bad HTMLParser detected; skipping test of non-ASCII characters in attribute name.") - def test_attribute_name_containing_unicode_characters(self): - markup = u'
' - self.assertEqual(self.soup(markup).div.encode("utf8"), markup.encode("utf8")) - -class TestUnicodeDammit(unittest.TestCase): - """Standalone tests of Unicode, Dammit.""" - - def test_smart_quotes_to_unicode(self): - markup = b"\x91\x92\x93\x94" - dammit = UnicodeDammit(markup) - self.assertEqual( - dammit.unicode_markup, u"\u2018\u2019\u201c\u201d") - - def test_smart_quotes_to_xml_entities(self): - markup = b"\x91\x92\x93\x94" - dammit = UnicodeDammit(markup, smart_quotes_to="xml") - self.assertEqual( - dammit.unicode_markup, "‘’“”") - - def test_smart_quotes_to_html_entities(self): - markup = b"\x91\x92\x93\x94" - dammit = UnicodeDammit(markup, smart_quotes_to="html") - self.assertEqual( - dammit.unicode_markup, "‘’“”") - - def test_smart_quotes_to_ascii(self): - markup = b"\x91\x92\x93\x94" - dammit = UnicodeDammit(markup, smart_quotes_to="ascii") - self.assertEqual( - dammit.unicode_markup, """''""""") - - def test_detect_utf8(self): - utf8 = b"\xc3\xa9" - dammit = UnicodeDammit(utf8) - self.assertEqual(dammit.unicode_markup, u'\xe9') - self.assertEqual(dammit.original_encoding.lower(), 'utf-8') - - def test_convert_hebrew(self): - hebrew = b"\xed\xe5\xec\xf9" - dammit = UnicodeDammit(hebrew, ["iso-8859-8"]) - self.assertEqual(dammit.original_encoding.lower(), 'iso-8859-8') - self.assertEqual(dammit.unicode_markup, u'\u05dd\u05d5\u05dc\u05e9') - - def test_dont_see_smart_quotes_where_there_are_none(self): - utf_8 = b"\343\202\261\343\203\274\343\202\277\343\202\244 Watch" - dammit = UnicodeDammit(utf_8) - self.assertEqual(dammit.original_encoding.lower(), 'utf-8') - self.assertEqual(dammit.unicode_markup.encode("utf-8"), utf_8) - - def test_ignore_inappropriate_codecs(self): - utf8_data = u"RäksmörgÃ¥s".encode("utf-8") - dammit = UnicodeDammit(utf8_data, ["iso-8859-8"]) - self.assertEqual(dammit.original_encoding.lower(), 'utf-8') - - def test_ignore_invalid_codecs(self): - utf8_data = u"RäksmörgÃ¥s".encode("utf-8") - for bad_encoding in ['.utf8', '...', 'utF---16.!']: - dammit = UnicodeDammit(utf8_data, [bad_encoding]) - self.assertEqual(dammit.original_encoding.lower(), 'utf-8') - - def test_detect_html5_style_meta_tag(self): - - for data in ( - b'', - b"", - b"", - b""): - dammit = UnicodeDammit(data, is_html=True) - self.assertEqual( - "euc-jp", dammit.original_encoding) - - def test_last_ditch_entity_replacement(self): - # This is a UTF-8 document that contains bytestrings - # completely incompatible with UTF-8 (ie. encoded with some other - # encoding). - # - # Since there is no consistent encoding for the document, - # Unicode, Dammit will eventually encode the document as UTF-8 - # and encode the incompatible characters as REPLACEMENT - # CHARACTER. - # - # If chardet is installed, it will detect that the document - # can be converted into ISO-8859-1 without errors. This happens - # to be the wrong encoding, but it is a consistent encoding, so the - # code we're testing here won't run. - # - # So we temporarily disable chardet if it's present. - doc = b"""\357\273\277 -\330\250\330\252\330\261 -\310\322\321\220\312\321\355\344""" - chardet = bs4.dammit.chardet_dammit - logging.disable(logging.WARNING) - try: - def noop(str): - return None - bs4.dammit.chardet_dammit = noop - dammit = UnicodeDammit(doc) - self.assertEqual(True, dammit.contains_replacement_characters) - self.assertTrue(u"\ufffd" in dammit.unicode_markup) - - soup = BeautifulSoup(doc, "html.parser") - self.assertTrue(soup.contains_replacement_characters) - finally: - logging.disable(logging.NOTSET) - bs4.dammit.chardet_dammit = chardet - - def test_sniffed_xml_encoding(self): - # A document written in UTF-16LE will be converted by a different - # code path that sniffs the byte order markers. - data = b'\xff\xfe<\x00a\x00>\x00\xe1\x00\xe9\x00<\x00/\x00a\x00>\x00' - dammit = UnicodeDammit(data) - self.assertEqual(u"áé", dammit.unicode_markup) - self.assertEqual("utf-16le", dammit.original_encoding) - - def test_detwingle(self): - # Here's a UTF8 document. - utf8 = (u"\N{SNOWMAN}" * 3).encode("utf8") - - # Here's a Windows-1252 document. - windows_1252 = ( - u"\N{LEFT DOUBLE QUOTATION MARK}Hi, I like Windows!" - u"\N{RIGHT DOUBLE QUOTATION MARK}").encode("windows_1252") - - # Through some unholy alchemy, they've been stuck together. - doc = utf8 + windows_1252 + utf8 - - # The document can't be turned into UTF-8: - self.assertRaises(UnicodeDecodeError, doc.decode, "utf8") - - # Unicode, Dammit thinks the whole document is Windows-1252, - # and decodes it into "☃☃☃“Hi, I like Windows!â€Ã¢ËœÆ’☃☃" - - # But if we run it through fix_embedded_windows_1252, it's fixed: - - fixed = UnicodeDammit.detwingle(doc) - self.assertEqual( - u"☃☃☃“Hi, I like Windows!â€â˜ƒâ˜ƒâ˜ƒ", fixed.decode("utf8")) - - def test_detwingle_ignores_multibyte_characters(self): - # Each of these characters has a UTF-8 representation ending - # in \x93. \x93 is a smart quote if interpreted as - # Windows-1252. But our code knows to skip over multibyte - # UTF-8 characters, so they'll survive the process unscathed. - for tricky_unicode_char in ( - u"\N{LATIN SMALL LIGATURE OE}", # 2-byte char '\xc5\x93' - u"\N{LATIN SUBSCRIPT SMALL LETTER X}", # 3-byte char '\xe2\x82\x93' - u"\xf0\x90\x90\x93", # This is a CJK character, not sure which one. - ): - input = tricky_unicode_char.encode("utf8") - self.assertTrue(input.endswith(b'\x93')) - output = UnicodeDammit.detwingle(input) - self.assertEqual(output, input) - -class TestNamedspacedAttribute(SoupTest): - - def test_name_may_be_none(self): - a = NamespacedAttribute("xmlns", None) - self.assertEqual(a, "xmlns") - - def test_attribute_is_equivalent_to_colon_separated_string(self): - a = NamespacedAttribute("a", "b") - self.assertEqual("a:b", a) - - def test_attributes_are_equivalent_if_prefix_and_name_identical(self): - a = NamespacedAttribute("a", "b", "c") - b = NamespacedAttribute("a", "b", "c") - self.assertEqual(a, b) - - # The actual namespace is not considered. - c = NamespacedAttribute("a", "b", None) - self.assertEqual(a, c) - - # But name and prefix are important. - d = NamespacedAttribute("a", "z", "c") - self.assertNotEqual(a, d) - - e = NamespacedAttribute("z", "b", "c") - self.assertNotEqual(a, e) - - -class TestAttributeValueWithCharsetSubstitution(unittest.TestCase): - - def test_content_meta_attribute_value(self): - value = CharsetMetaAttributeValue("euc-jp") - self.assertEqual("euc-jp", value) - self.assertEqual("euc-jp", value.original_value) - self.assertEqual("utf8", value.encode("utf8")) - - - def test_content_meta_attribute_value(self): - value = ContentMetaAttributeValue("text/html; charset=euc-jp") - self.assertEqual("text/html; charset=euc-jp", value) - self.assertEqual("text/html; charset=euc-jp", value.original_value) - self.assertEqual("text/html; charset=utf8", value.encode("utf8")) diff --git a/lib/bs4/tests/test_tree.py b/lib/bs4/tests/test_tree.py deleted file mode 100644 index 2d09f96..0000000 --- a/lib/bs4/tests/test_tree.py +++ /dev/null @@ -1,1800 +0,0 @@ -# -*- coding: utf-8 -*- -"""Tests for Beautiful Soup's tree traversal methods. - -The tree traversal methods are the main advantage of using Beautiful -Soup over just using a parser. - -Different parsers will build different Beautiful Soup trees given the -same markup, but all Beautiful Soup trees can be traversed with the -methods tested here. -""" - -import copy -import pickle -import re -import warnings -from bs4 import BeautifulSoup -from bs4.builder import ( - builder_registry, - HTMLParserTreeBuilder, -) -from bs4.element import ( - CData, - Comment, - Doctype, - NavigableString, - SoupStrainer, - Tag, -) -from bs4.testing import ( - SoupTest, - skipIf, -) - -XML_BUILDER_PRESENT = (builder_registry.lookup("xml") is not None) -LXML_PRESENT = (builder_registry.lookup("lxml") is not None) - -class TreeTest(SoupTest): - - def assertSelects(self, tags, should_match): - """Make sure that the given tags have the correct text. - - This is used in tests that define a bunch of tags, each - containing a single string, and then select certain strings by - some mechanism. - """ - self.assertEqual([tag.string for tag in tags], should_match) - - def assertSelectsIDs(self, tags, should_match): - """Make sure that the given tags have the correct IDs. - - This is used in tests that define a bunch of tags, each - containing a single string, and then select certain strings by - some mechanism. - """ - self.assertEqual([tag['id'] for tag in tags], should_match) - - -class TestFind(TreeTest): - """Basic tests of the find() method. - - find() just calls find_all() with limit=1, so it's not tested all - that thouroughly here. - """ - - def test_find_tag(self): - soup = self.soup("1234") - self.assertEqual(soup.find("b").string, "2") - - def test_unicode_text_find(self): - soup = self.soup(u'

Räksmörgås

') - self.assertEqual(soup.find(text=u'RäksmörgÃ¥s'), u'RäksmörgÃ¥s') - -class TestFindAll(TreeTest): - """Basic tests of the find_all() method.""" - - def test_find_all_text_nodes(self): - """You can search the tree for text nodes.""" - soup = self.soup("Foobar\xbb") - # Exact match. - self.assertEqual(soup.find_all(text="bar"), [u"bar"]) - # Match any of a number of strings. - self.assertEqual( - soup.find_all(text=["Foo", "bar"]), [u"Foo", u"bar"]) - # Match a regular expression. - self.assertEqual(soup.find_all(text=re.compile('.*')), - [u"Foo", u"bar", u'\xbb']) - # Match anything. - self.assertEqual(soup.find_all(text=True), - [u"Foo", u"bar", u'\xbb']) - - def test_find_all_limit(self): - """You can limit the number of items returned by find_all.""" - soup = self.soup("12345") - self.assertSelects(soup.find_all('a', limit=3), ["1", "2", "3"]) - self.assertSelects(soup.find_all('a', limit=1), ["1"]) - self.assertSelects( - soup.find_all('a', limit=10), ["1", "2", "3", "4", "5"]) - - # A limit of 0 means no limit. - self.assertSelects( - soup.find_all('a', limit=0), ["1", "2", "3", "4", "5"]) - - def test_calling_a_tag_is_calling_findall(self): - soup = self.soup("123") - self.assertSelects(soup('a', limit=1), ["1"]) - self.assertSelects(soup.b(id="foo"), ["3"]) - - def test_find_all_with_self_referential_data_structure_does_not_cause_infinite_recursion(self): - soup = self.soup("") - # Create a self-referential list. - l = [] - l.append(l) - - # Without special code in _normalize_search_value, this would cause infinite - # recursion. - self.assertEqual([], soup.find_all(l)) - -class TestFindAllBasicNamespaces(TreeTest): - - def test_find_by_namespaced_name(self): - soup = self.soup('4') - self.assertEqual("4", soup.find("mathml:msqrt").string) - self.assertEqual("a", soup.find(attrs= { "svg:fill" : "red" }).name) - - -class TestFindAllByName(TreeTest): - """Test ways of finding tags by tag name.""" - - def setUp(self): - super(TreeTest, self).setUp() - self.tree = self.soup("""First tag. - Second tag. - Third Nested tag. tag.""") - - def test_find_all_by_tag_name(self): - # Find all the tags. - self.assertSelects( - self.tree.find_all('a'), ['First tag.', 'Nested tag.']) - - def test_find_all_by_name_and_text(self): - self.assertSelects( - self.tree.find_all('a', text='First tag.'), ['First tag.']) - - self.assertSelects( - self.tree.find_all('a', text=True), ['First tag.', 'Nested tag.']) - - self.assertSelects( - self.tree.find_all('a', text=re.compile("tag")), - ['First tag.', 'Nested tag.']) - - - def test_find_all_on_non_root_element(self): - # You can call find_all on any node, not just the root. - self.assertSelects(self.tree.c.find_all('a'), ['Nested tag.']) - - def test_calling_element_invokes_find_all(self): - self.assertSelects(self.tree('a'), ['First tag.', 'Nested tag.']) - - def test_find_all_by_tag_strainer(self): - self.assertSelects( - self.tree.find_all(SoupStrainer('a')), - ['First tag.', 'Nested tag.']) - - def test_find_all_by_tag_names(self): - self.assertSelects( - self.tree.find_all(['a', 'b']), - ['First tag.', 'Second tag.', 'Nested tag.']) - - def test_find_all_by_tag_dict(self): - self.assertSelects( - self.tree.find_all({'a' : True, 'b' : True}), - ['First tag.', 'Second tag.', 'Nested tag.']) - - def test_find_all_by_tag_re(self): - self.assertSelects( - self.tree.find_all(re.compile('^[ab]$')), - ['First tag.', 'Second tag.', 'Nested tag.']) - - def test_find_all_with_tags_matching_method(self): - # You can define an oracle method that determines whether - # a tag matches the search. - def id_matches_name(tag): - return tag.name == tag.get('id') - - tree = self.soup("""Match 1. - Does not match. - Match 2.""") - - self.assertSelects( - tree.find_all(id_matches_name), ["Match 1.", "Match 2."]) - - -class TestFindAllByAttribute(TreeTest): - - def test_find_all_by_attribute_name(self): - # You can pass in keyword arguments to find_all to search by - # attribute. - tree = self.soup(""" - Matching a. - - Non-matching Matching b.a. - """) - self.assertSelects(tree.find_all(id='first'), - ["Matching a.", "Matching b."]) - - def test_find_all_by_utf8_attribute_value(self): - peace = u"×ולש".encode("utf8") - data = u''.encode("utf8") - soup = self.soup(data) - self.assertEqual([soup.a], soup.find_all(title=peace)) - self.assertEqual([soup.a], soup.find_all(title=peace.decode("utf8"))) - self.assertEqual([soup.a], soup.find_all(title=[peace, "something else"])) - - def test_find_all_by_attribute_dict(self): - # You can pass in a dictionary as the argument 'attrs'. This - # lets you search for attributes like 'name' (a fixed argument - # to find_all) and 'class' (a reserved word in Python.) - tree = self.soup(""" - Name match. - Class match. - Non-match. - A tag called 'name1'. - """) - - # This doesn't do what you want. - self.assertSelects(tree.find_all(name='name1'), - ["A tag called 'name1'."]) - # This does what you want. - self.assertSelects(tree.find_all(attrs={'name' : 'name1'}), - ["Name match."]) - - self.assertSelects(tree.find_all(attrs={'class' : 'class2'}), - ["Class match."]) - - def test_find_all_by_class(self): - tree = self.soup(""" - Class 1. - Class 2. - Class 1. - Class 3 and 4. - """) - - # Passing in the class_ keyword argument will search against - # the 'class' attribute. - self.assertSelects(tree.find_all('a', class_='1'), ['Class 1.']) - self.assertSelects(tree.find_all('c', class_='3'), ['Class 3 and 4.']) - self.assertSelects(tree.find_all('c', class_='4'), ['Class 3 and 4.']) - - # Passing in a string to 'attrs' will also search the CSS class. - self.assertSelects(tree.find_all('a', '1'), ['Class 1.']) - self.assertSelects(tree.find_all(attrs='1'), ['Class 1.', 'Class 1.']) - self.assertSelects(tree.find_all('c', '3'), ['Class 3 and 4.']) - self.assertSelects(tree.find_all('c', '4'), ['Class 3 and 4.']) - - def test_find_by_class_when_multiple_classes_present(self): - tree = self.soup("Found it") - - f = tree.find_all("gar", class_=re.compile("o")) - self.assertSelects(f, ["Found it"]) - - f = tree.find_all("gar", class_=re.compile("a")) - self.assertSelects(f, ["Found it"]) - - # Since the class is not the string "foo bar", but the two - # strings "foo" and "bar", this will not find anything. - f = tree.find_all("gar", class_=re.compile("o b")) - self.assertSelects(f, []) - - def test_find_all_with_non_dictionary_for_attrs_finds_by_class(self): - soup = self.soup("Found it") - - self.assertSelects(soup.find_all("a", re.compile("ba")), ["Found it"]) - - def big_attribute_value(value): - return len(value) > 3 - - self.assertSelects(soup.find_all("a", big_attribute_value), []) - - def small_attribute_value(value): - return len(value) <= 3 - - self.assertSelects( - soup.find_all("a", small_attribute_value), ["Found it"]) - - def test_find_all_with_string_for_attrs_finds_multiple_classes(self): - soup = self.soup('') - a, a2 = soup.find_all("a") - self.assertEqual([a, a2], soup.find_all("a", "foo")) - self.assertEqual([a], soup.find_all("a", "bar")) - - # If you specify the class as a string that contains a - # space, only that specific value will be found. - self.assertEqual([a], soup.find_all("a", class_="foo bar")) - self.assertEqual([a], soup.find_all("a", "foo bar")) - self.assertEqual([], soup.find_all("a", "bar foo")) - - def test_find_all_by_attribute_soupstrainer(self): - tree = self.soup(""" - Match. - Non-match.""") - - strainer = SoupStrainer(attrs={'id' : 'first'}) - self.assertSelects(tree.find_all(strainer), ['Match.']) - - def test_find_all_with_missing_atribute(self): - # You can pass in None as the value of an attribute to find_all. - # This will match tags that do not have that attribute set. - tree = self.soup("""ID present. - No ID present. - ID is empty.""") - self.assertSelects(tree.find_all('a', id=None), ["No ID present."]) - - def test_find_all_with_defined_attribute(self): - # You can pass in None as the value of an attribute to find_all. - # This will match tags that have that attribute set to any value. - tree = self.soup("""ID present. - No ID present. - ID is empty.""") - self.assertSelects( - tree.find_all(id=True), ["ID present.", "ID is empty."]) - - def test_find_all_with_numeric_attribute(self): - # If you search for a number, it's treated as a string. - tree = self.soup("""Unquoted attribute. - Quoted attribute.""") - - expected = ["Unquoted attribute.", "Quoted attribute."] - self.assertSelects(tree.find_all(id=1), expected) - self.assertSelects(tree.find_all(id="1"), expected) - - def test_find_all_with_list_attribute_values(self): - # You can pass a list of attribute values instead of just one, - # and you'll get tags that match any of the values. - tree = self.soup("""1 - 2 - 3 - No ID.""") - self.assertSelects(tree.find_all(id=["1", "3", "4"]), - ["1", "3"]) - - def test_find_all_with_regular_expression_attribute_value(self): - # You can pass a regular expression as an attribute value, and - # you'll get tags whose values for that attribute match the - # regular expression. - tree = self.soup("""One a. - Two as. - Mixed as and bs. - One b. - No ID.""") - - self.assertSelects(tree.find_all(id=re.compile("^a+$")), - ["One a.", "Two as."]) - - def test_find_by_name_and_containing_string(self): - soup = self.soup("foobarfoo") - a = soup.a - - self.assertEqual([a], soup.find_all("a", text="foo")) - self.assertEqual([], soup.find_all("a", text="bar")) - self.assertEqual([], soup.find_all("a", text="bar")) - - def test_find_by_name_and_containing_string_when_string_is_buried(self): - soup = self.soup("foofoo") - self.assertEqual(soup.find_all("a"), soup.find_all("a", text="foo")) - - def test_find_by_attribute_and_containing_string(self): - soup = self.soup('foofoo') - a = soup.a - - self.assertEqual([a], soup.find_all(id=2, text="foo")) - self.assertEqual([], soup.find_all(id=1, text="bar")) - - - - -class TestIndex(TreeTest): - """Test Tag.index""" - def test_index(self): - tree = self.soup("""
- Identical - Not identical - Identical - - Identical with child - Also not identical - Identical with child -
""") - div = tree.div - for i, element in enumerate(div.contents): - self.assertEqual(i, div.index(element)) - self.assertRaises(ValueError, tree.index, 1) - - -class TestParentOperations(TreeTest): - """Test navigation and searching through an element's parents.""" - - def setUp(self): - super(TestParentOperations, self).setUp() - self.tree = self.soup('''
    -
      -
        -
          - Start here -
        -
      ''') - self.start = self.tree.b - - - def test_parent(self): - self.assertEqual(self.start.parent['id'], 'bottom') - self.assertEqual(self.start.parent.parent['id'], 'middle') - self.assertEqual(self.start.parent.parent.parent['id'], 'top') - - def test_parent_of_top_tag_is_soup_object(self): - top_tag = self.tree.contents[0] - self.assertEqual(top_tag.parent, self.tree) - - def test_soup_object_has_no_parent(self): - self.assertEqual(None, self.tree.parent) - - def test_find_parents(self): - self.assertSelectsIDs( - self.start.find_parents('ul'), ['bottom', 'middle', 'top']) - self.assertSelectsIDs( - self.start.find_parents('ul', id="middle"), ['middle']) - - def test_find_parent(self): - self.assertEqual(self.start.find_parent('ul')['id'], 'bottom') - self.assertEqual(self.start.find_parent('ul', id='top')['id'], 'top') - - def test_parent_of_text_element(self): - text = self.tree.find(text="Start here") - self.assertEqual(text.parent.name, 'b') - - def test_text_element_find_parent(self): - text = self.tree.find(text="Start here") - self.assertEqual(text.find_parent('ul')['id'], 'bottom') - - def test_parent_generator(self): - parents = [parent['id'] for parent in self.start.parents - if parent is not None and 'id' in parent.attrs] - self.assertEqual(parents, ['bottom', 'middle', 'top']) - - -class ProximityTest(TreeTest): - - def setUp(self): - super(TreeTest, self).setUp() - self.tree = self.soup( - 'OneTwoThree') - - -class TestNextOperations(ProximityTest): - - def setUp(self): - super(TestNextOperations, self).setUp() - self.start = self.tree.b - - def test_next(self): - self.assertEqual(self.start.next_element, "One") - self.assertEqual(self.start.next_element.next_element['id'], "2") - - def test_next_of_last_item_is_none(self): - last = self.tree.find(text="Three") - self.assertEqual(last.next_element, None) - - def test_next_of_root_is_none(self): - # The document root is outside the next/previous chain. - self.assertEqual(self.tree.next_element, None) - - def test_find_all_next(self): - self.assertSelects(self.start.find_all_next('b'), ["Two", "Three"]) - self.start.find_all_next(id=3) - self.assertSelects(self.start.find_all_next(id=3), ["Three"]) - - def test_find_next(self): - self.assertEqual(self.start.find_next('b')['id'], '2') - self.assertEqual(self.start.find_next(text="Three"), "Three") - - def test_find_next_for_text_element(self): - text = self.tree.find(text="One") - self.assertEqual(text.find_next("b").string, "Two") - self.assertSelects(text.find_all_next("b"), ["Two", "Three"]) - - def test_next_generator(self): - start = self.tree.find(text="Two") - successors = [node for node in start.next_elements] - # There are two successors: the final tag and its text contents. - tag, contents = successors - self.assertEqual(tag['id'], '3') - self.assertEqual(contents, "Three") - -class TestPreviousOperations(ProximityTest): - - def setUp(self): - super(TestPreviousOperations, self).setUp() - self.end = self.tree.find(text="Three") - - def test_previous(self): - self.assertEqual(self.end.previous_element['id'], "3") - self.assertEqual(self.end.previous_element.previous_element, "Two") - - def test_previous_of_first_item_is_none(self): - first = self.tree.find('html') - self.assertEqual(first.previous_element, None) - - def test_previous_of_root_is_none(self): - # The document root is outside the next/previous chain. - # XXX This is broken! - #self.assertEqual(self.tree.previous_element, None) - pass - - def test_find_all_previous(self): - # The tag containing the "Three" node is the predecessor - # of the "Three" node itself, which is why "Three" shows up - # here. - self.assertSelects( - self.end.find_all_previous('b'), ["Three", "Two", "One"]) - self.assertSelects(self.end.find_all_previous(id=1), ["One"]) - - def test_find_previous(self): - self.assertEqual(self.end.find_previous('b')['id'], '3') - self.assertEqual(self.end.find_previous(text="One"), "One") - - def test_find_previous_for_text_element(self): - text = self.tree.find(text="Three") - self.assertEqual(text.find_previous("b").string, "Three") - self.assertSelects( - text.find_all_previous("b"), ["Three", "Two", "One"]) - - def test_previous_generator(self): - start = self.tree.find(text="One") - predecessors = [node for node in start.previous_elements] - - # There are four predecessors: the tag containing "One" - # the tag, the tag, and the tag. - b, body, head, html = predecessors - self.assertEqual(b['id'], '1') - self.assertEqual(body.name, "body") - self.assertEqual(head.name, "head") - self.assertEqual(html.name, "html") - - -class SiblingTest(TreeTest): - - def setUp(self): - super(SiblingTest, self).setUp() - markup = ''' - - - - - - - - - - - ''' - # All that whitespace looks good but makes the tests more - # difficult. Get rid of it. - markup = re.compile("\n\s*").sub("", markup) - self.tree = self.soup(markup) - - -class TestNextSibling(SiblingTest): - - def setUp(self): - super(TestNextSibling, self).setUp() - self.start = self.tree.find(id="1") - - def test_next_sibling_of_root_is_none(self): - self.assertEqual(self.tree.next_sibling, None) - - def test_next_sibling(self): - self.assertEqual(self.start.next_sibling['id'], '2') - self.assertEqual(self.start.next_sibling.next_sibling['id'], '3') - - # Note the difference between next_sibling and next_element. - self.assertEqual(self.start.next_element['id'], '1.1') - - def test_next_sibling_may_not_exist(self): - self.assertEqual(self.tree.html.next_sibling, None) - - nested_span = self.tree.find(id="1.1") - self.assertEqual(nested_span.next_sibling, None) - - last_span = self.tree.find(id="4") - self.assertEqual(last_span.next_sibling, None) - - def test_find_next_sibling(self): - self.assertEqual(self.start.find_next_sibling('span')['id'], '2') - - def test_next_siblings(self): - self.assertSelectsIDs(self.start.find_next_siblings("span"), - ['2', '3', '4']) - - self.assertSelectsIDs(self.start.find_next_siblings(id='3'), ['3']) - - def test_next_sibling_for_text_element(self): - soup = self.soup("Foobarbaz") - start = soup.find(text="Foo") - self.assertEqual(start.next_sibling.name, 'b') - self.assertEqual(start.next_sibling.next_sibling, 'baz') - - self.assertSelects(start.find_next_siblings('b'), ['bar']) - self.assertEqual(start.find_next_sibling(text="baz"), "baz") - self.assertEqual(start.find_next_sibling(text="nonesuch"), None) - - -class TestPreviousSibling(SiblingTest): - - def setUp(self): - super(TestPreviousSibling, self).setUp() - self.end = self.tree.find(id="4") - - def test_previous_sibling_of_root_is_none(self): - self.assertEqual(self.tree.previous_sibling, None) - - def test_previous_sibling(self): - self.assertEqual(self.end.previous_sibling['id'], '3') - self.assertEqual(self.end.previous_sibling.previous_sibling['id'], '2') - - # Note the difference between previous_sibling and previous_element. - self.assertEqual(self.end.previous_element['id'], '3.1') - - def test_previous_sibling_may_not_exist(self): - self.assertEqual(self.tree.html.previous_sibling, None) - - nested_span = self.tree.find(id="1.1") - self.assertEqual(nested_span.previous_sibling, None) - - first_span = self.tree.find(id="1") - self.assertEqual(first_span.previous_sibling, None) - - def test_find_previous_sibling(self): - self.assertEqual(self.end.find_previous_sibling('span')['id'], '3') - - def test_previous_siblings(self): - self.assertSelectsIDs(self.end.find_previous_siblings("span"), - ['3', '2', '1']) - - self.assertSelectsIDs(self.end.find_previous_siblings(id='1'), ['1']) - - def test_previous_sibling_for_text_element(self): - soup = self.soup("Foobarbaz") - start = soup.find(text="baz") - self.assertEqual(start.previous_sibling.name, 'b') - self.assertEqual(start.previous_sibling.previous_sibling, 'Foo') - - self.assertSelects(start.find_previous_siblings('b'), ['bar']) - self.assertEqual(start.find_previous_sibling(text="Foo"), "Foo") - self.assertEqual(start.find_previous_sibling(text="nonesuch"), None) - - -class TestTagCreation(SoupTest): - """Test the ability to create new tags.""" - def test_new_tag(self): - soup = self.soup("") - new_tag = soup.new_tag("foo", bar="baz") - self.assertTrue(isinstance(new_tag, Tag)) - self.assertEqual("foo", new_tag.name) - self.assertEqual(dict(bar="baz"), new_tag.attrs) - self.assertEqual(None, new_tag.parent) - - def test_tag_inherits_self_closing_rules_from_builder(self): - if XML_BUILDER_PRESENT: - xml_soup = BeautifulSoup("", "xml") - xml_br = xml_soup.new_tag("br") - xml_p = xml_soup.new_tag("p") - - # Both the
      and

      tag are empty-element, just because - # they have no contents. - self.assertEqual(b"
      ", xml_br.encode()) - self.assertEqual(b"

      ", xml_p.encode()) - - html_soup = BeautifulSoup("", "html") - html_br = html_soup.new_tag("br") - html_p = html_soup.new_tag("p") - - # The HTML builder users HTML's rules about which tags are - # empty-element tags, and the new tags reflect these rules. - self.assertEqual(b"
      ", html_br.encode()) - self.assertEqual(b"

      ", html_p.encode()) - - def test_new_string_creates_navigablestring(self): - soup = self.soup("") - s = soup.new_string("foo") - self.assertEqual("foo", s) - self.assertTrue(isinstance(s, NavigableString)) - - def test_new_string_can_create_navigablestring_subclass(self): - soup = self.soup("") - s = soup.new_string("foo", Comment) - self.assertEqual("foo", s) - self.assertTrue(isinstance(s, Comment)) - -class TestTreeModification(SoupTest): - - def test_attribute_modification(self): - soup = self.soup('') - soup.a['id'] = 2 - self.assertEqual(soup.decode(), self.document_for('')) - del(soup.a['id']) - self.assertEqual(soup.decode(), self.document_for('')) - soup.a['id2'] = 'foo' - self.assertEqual(soup.decode(), self.document_for('')) - - def test_new_tag_creation(self): - builder = builder_registry.lookup('html')() - soup = self.soup("", builder=builder) - a = Tag(soup, builder, 'a') - ol = Tag(soup, builder, 'ol') - a['href'] = 'http://foo.com/' - soup.body.insert(0, a) - soup.body.insert(1, ol) - self.assertEqual( - soup.body.encode(), - b'
        ') - - def test_append_to_contents_moves_tag(self): - doc = """

        Don't leave me here.

        -

        Don\'t leave!

        """ - soup = self.soup(doc) - second_para = soup.find(id='2') - bold = soup.b - - # Move the tag to the end of the second paragraph. - soup.find(id='2').append(soup.b) - - # The tag is now a child of the second paragraph. - self.assertEqual(bold.parent, second_para) - - self.assertEqual( - soup.decode(), self.document_for( - '

        Don\'t leave me .

        \n' - '

        Don\'t leave!here

        ')) - - def test_replace_with_returns_thing_that_was_replaced(self): - text = "" - soup = self.soup(text) - a = soup.a - new_a = a.replace_with(soup.c) - self.assertEqual(a, new_a) - - def test_unwrap_returns_thing_that_was_replaced(self): - text = "" - soup = self.soup(text) - a = soup.a - new_a = a.unwrap() - self.assertEqual(a, new_a) - - def test_replace_tag_with_itself(self): - text = "Foo" - soup = self.soup(text) - c = soup.c - soup.c.replace_with(c) - self.assertEqual(soup.decode(), self.document_for(text)) - - def test_replace_tag_with_its_parent_raises_exception(self): - text = "" - soup = self.soup(text) - self.assertRaises(ValueError, soup.b.replace_with, soup.a) - - def test_insert_tag_into_itself_raises_exception(self): - text = "" - soup = self.soup(text) - self.assertRaises(ValueError, soup.a.insert, 0, soup.a) - - def test_replace_with_maintains_next_element_throughout(self): - soup = self.soup('

        onethree

        ') - a = soup.a - b = a.contents[0] - # Make it so the tag has two text children. - a.insert(1, "two") - - # Now replace each one with the empty string. - left, right = a.contents - left.replaceWith('') - right.replaceWith('') - - # The tag is still connected to the tree. - self.assertEqual("three", soup.b.string) - - def test_replace_final_node(self): - soup = self.soup("Argh!") - soup.find(text="Argh!").replace_with("Hooray!") - new_text = soup.find(text="Hooray!") - b = soup.b - self.assertEqual(new_text.previous_element, b) - self.assertEqual(new_text.parent, b) - self.assertEqual(new_text.previous_element.next_element, new_text) - self.assertEqual(new_text.next_element, None) - - def test_consecutive_text_nodes(self): - # A builder should never create two consecutive text nodes, - # but if you insert one next to another, Beautiful Soup will - # handle it correctly. - soup = self.soup("Argh!") - soup.b.insert(1, "Hooray!") - - self.assertEqual( - soup.decode(), self.document_for( - "Argh!Hooray!")) - - new_text = soup.find(text="Hooray!") - self.assertEqual(new_text.previous_element, "Argh!") - self.assertEqual(new_text.previous_element.next_element, new_text) - - self.assertEqual(new_text.previous_sibling, "Argh!") - self.assertEqual(new_text.previous_sibling.next_sibling, new_text) - - self.assertEqual(new_text.next_sibling, None) - self.assertEqual(new_text.next_element, soup.c) - - def test_insert_string(self): - soup = self.soup("") - soup.a.insert(0, "bar") - soup.a.insert(0, "foo") - # The string were added to the tag. - self.assertEqual(["foo", "bar"], soup.a.contents) - # And they were converted to NavigableStrings. - self.assertEqual(soup.a.contents[0].next_element, "bar") - - def test_insert_tag(self): - builder = self.default_builder - soup = self.soup( - "Findlady!", builder=builder) - magic_tag = Tag(soup, builder, 'magictag') - magic_tag.insert(0, "the") - soup.a.insert(1, magic_tag) - - self.assertEqual( - soup.decode(), self.document_for( - "Findthelady!")) - - # Make sure all the relationships are hooked up correctly. - b_tag = soup.b - self.assertEqual(b_tag.next_sibling, magic_tag) - self.assertEqual(magic_tag.previous_sibling, b_tag) - - find = b_tag.find(text="Find") - self.assertEqual(find.next_element, magic_tag) - self.assertEqual(magic_tag.previous_element, find) - - c_tag = soup.c - self.assertEqual(magic_tag.next_sibling, c_tag) - self.assertEqual(c_tag.previous_sibling, magic_tag) - - the = magic_tag.find(text="the") - self.assertEqual(the.parent, magic_tag) - self.assertEqual(the.next_element, c_tag) - self.assertEqual(c_tag.previous_element, the) - - def test_append_child_thats_already_at_the_end(self): - data = "" - soup = self.soup(data) - soup.a.append(soup.b) - self.assertEqual(data, soup.decode()) - - def test_move_tag_to_beginning_of_parent(self): - data = "" - soup = self.soup(data) - soup.a.insert(0, soup.d) - self.assertEqual("", soup.decode()) - - def test_insert_works_on_empty_element_tag(self): - # This is a little strange, since most HTML parsers don't allow - # markup like this to come through. But in general, we don't - # know what the parser would or wouldn't have allowed, so - # I'm letting this succeed for now. - soup = self.soup("
        ") - soup.br.insert(1, "Contents") - self.assertEqual(str(soup.br), "
        Contents
        ") - - def test_insert_before(self): - soup = self.soup("foobar") - soup.b.insert_before("BAZ") - soup.a.insert_before("QUUX") - self.assertEqual( - soup.decode(), self.document_for("QUUXfooBAZbar")) - - soup.a.insert_before(soup.b) - self.assertEqual( - soup.decode(), self.document_for("QUUXbarfooBAZ")) - - def test_insert_after(self): - soup = self.soup("foobar") - soup.b.insert_after("BAZ") - soup.a.insert_after("QUUX") - self.assertEqual( - soup.decode(), self.document_for("fooQUUXbarBAZ")) - soup.b.insert_after(soup.a) - self.assertEqual( - soup.decode(), self.document_for("QUUXbarfooBAZ")) - - def test_insert_after_raises_exception_if_after_has_no_meaning(self): - soup = self.soup("") - tag = soup.new_tag("a") - string = soup.new_string("") - self.assertRaises(ValueError, string.insert_after, tag) - self.assertRaises(NotImplementedError, soup.insert_after, tag) - self.assertRaises(ValueError, tag.insert_after, tag) - - def test_insert_before_raises_notimplementederror_if_before_has_no_meaning(self): - soup = self.soup("") - tag = soup.new_tag("a") - string = soup.new_string("") - self.assertRaises(ValueError, string.insert_before, tag) - self.assertRaises(NotImplementedError, soup.insert_before, tag) - self.assertRaises(ValueError, tag.insert_before, tag) - - def test_replace_with(self): - soup = self.soup( - "

        There's no business like show business

        ") - no, show = soup.find_all('b') - show.replace_with(no) - self.assertEqual( - soup.decode(), - self.document_for( - "

        There's business like no business

        ")) - - self.assertEqual(show.parent, None) - self.assertEqual(no.parent, soup.p) - self.assertEqual(no.next_element, "no") - self.assertEqual(no.next_sibling, " business") - - def test_replace_first_child(self): - data = "" - soup = self.soup(data) - soup.b.replace_with(soup.c) - self.assertEqual("", soup.decode()) - - def test_replace_last_child(self): - data = "" - soup = self.soup(data) - soup.c.replace_with(soup.b) - self.assertEqual("", soup.decode()) - - def test_nested_tag_replace_with(self): - soup = self.soup( - """Wereservetherighttorefuseservice""") - - # Replace the entire tag and its contents ("reserve the - # right") with the tag ("refuse"). - remove_tag = soup.b - move_tag = soup.f - remove_tag.replace_with(move_tag) - - self.assertEqual( - soup.decode(), self.document_for( - "Werefusetoservice")) - - # The tag is now an orphan. - self.assertEqual(remove_tag.parent, None) - self.assertEqual(remove_tag.find(text="right").next_element, None) - self.assertEqual(remove_tag.previous_element, None) - self.assertEqual(remove_tag.next_sibling, None) - self.assertEqual(remove_tag.previous_sibling, None) - - # The tag is now connected to the tag. - self.assertEqual(move_tag.parent, soup.a) - self.assertEqual(move_tag.previous_element, "We") - self.assertEqual(move_tag.next_element.next_element, soup.e) - self.assertEqual(move_tag.next_sibling, None) - - # The gap where the tag used to be has been mended, and - # the word "to" is now connected to the tag. - to_text = soup.find(text="to") - g_tag = soup.g - self.assertEqual(to_text.next_element, g_tag) - self.assertEqual(to_text.next_sibling, g_tag) - self.assertEqual(g_tag.previous_element, to_text) - self.assertEqual(g_tag.previous_sibling, to_text) - - def test_unwrap(self): - tree = self.soup(""" -

        Unneeded formatting is unneeded

        - """) - tree.em.unwrap() - self.assertEqual(tree.em, None) - self.assertEqual(tree.p.text, "Unneeded formatting is unneeded") - - def test_wrap(self): - soup = self.soup("I wish I was bold.") - value = soup.string.wrap(soup.new_tag("b")) - self.assertEqual(value.decode(), "I wish I was bold.") - self.assertEqual( - soup.decode(), self.document_for("I wish I was bold.")) - - def test_wrap_extracts_tag_from_elsewhere(self): - soup = self.soup("I wish I was bold.") - soup.b.next_sibling.wrap(soup.b) - self.assertEqual( - soup.decode(), self.document_for("I wish I was bold.")) - - def test_wrap_puts_new_contents_at_the_end(self): - soup = self.soup("I like being bold.I wish I was bold.") - soup.b.next_sibling.wrap(soup.b) - self.assertEqual(2, len(soup.b.contents)) - self.assertEqual( - soup.decode(), self.document_for( - "I like being bold.I wish I was bold.")) - - def test_extract(self): - soup = self.soup( - 'Some content. More content.') - - self.assertEqual(len(soup.body.contents), 3) - extracted = soup.find(id="nav").extract() - - self.assertEqual( - soup.decode(), "Some content. More content.") - self.assertEqual(extracted.decode(), '') - - # The extracted tag is now an orphan. - self.assertEqual(len(soup.body.contents), 2) - self.assertEqual(extracted.parent, None) - self.assertEqual(extracted.previous_element, None) - self.assertEqual(extracted.next_element.next_element, None) - - # The gap where the extracted tag used to be has been mended. - content_1 = soup.find(text="Some content. ") - content_2 = soup.find(text=" More content.") - self.assertEqual(content_1.next_element, content_2) - self.assertEqual(content_1.next_sibling, content_2) - self.assertEqual(content_2.previous_element, content_1) - self.assertEqual(content_2.previous_sibling, content_1) - - def test_extract_distinguishes_between_identical_strings(self): - soup = self.soup("        foobar") - foo_1 = soup.a.string - bar_1 = soup.b.string - foo_2 = soup.new_string("foo") - bar_2 = soup.new_string("bar") - soup.a.append(foo_2) - soup.b.append(bar_2) - - # Now there are two identical strings in the tag, and two - # in the tag. Let's remove the first "foo" and the second - # "bar". - foo_1.extract() - bar_2.extract() - self.assertEqual(foo_2, soup.a.string) - self.assertEqual(bar_2, soup.b.string) - - def test_clear(self): - """Tag.clear()""" - soup = self.soup("

        String Italicized and another

        ") - # clear using extract() - a = soup.a - soup.p.clear() - self.assertEqual(len(soup.p.contents), 0) - self.assertTrue(hasattr(a, "contents")) - - # clear using decompose() - em = a.em - a.clear(decompose=True) - self.assertEqual(0, len(em.contents)) - - def test_string_set(self): - """Tag.string = 'string'""" - soup = self.soup(" ") - soup.a.string = "foo" - self.assertEqual(soup.a.contents, ["foo"]) - soup.b.string = "bar" - self.assertEqual(soup.b.contents, ["bar"]) - - def test_string_set_does_not_affect_original_string(self): - soup = self.soup("foobar") - soup.b.string = soup.c.string - self.assertEqual(soup.a.encode(), b"barbar") - - def test_set_string_preserves_class_of_string(self): - soup = self.soup("") - cdata = CData("foo") - soup.a.string = cdata - self.assertTrue(isinstance(soup.a.string, CData)) - -class TestElementObjects(SoupTest): - """Test various features of element objects.""" - - def test_len(self): - """The length of an element is its number of children.""" - soup = self.soup("123") - - # The BeautifulSoup object itself contains one element: the - # tag. - self.assertEqual(len(soup.contents), 1) - self.assertEqual(len(soup), 1) - - # The tag contains three elements: the text node "1", the - # tag, and the text node "3". - self.assertEqual(len(soup.top), 3) - self.assertEqual(len(soup.top.contents), 3) - - def test_member_access_invokes_find(self): - """Accessing a Python member .foo invokes find('foo')""" - soup = self.soup('') - self.assertEqual(soup.b, soup.find('b')) - self.assertEqual(soup.b.i, soup.find('b').find('i')) - self.assertEqual(soup.a, None) - - def test_deprecated_member_access(self): - soup = self.soup('') - with warnings.catch_warnings(record=True) as w: - tag = soup.bTag - self.assertEqual(soup.b, tag) - self.assertEqual( - '.bTag is deprecated, use .find("b") instead.', - str(w[0].message)) - - def test_has_attr(self): - """has_attr() checks for the presence of an attribute. - - Please note note: has_attr() is different from - __in__. has_attr() checks the tag's attributes and __in__ - checks the tag's chidlren. - """ - soup = self.soup("") - self.assertTrue(soup.foo.has_attr('attr')) - self.assertFalse(soup.foo.has_attr('attr2')) - - - def test_attributes_come_out_in_alphabetical_order(self): - markup = '' - self.assertSoupEquals(markup, '') - - def test_string(self): - # A tag that contains only a text node makes that node - # available as .string. - soup = self.soup("foo") - self.assertEqual(soup.b.string, 'foo') - - def test_empty_tag_has_no_string(self): - # A tag with no children has no .stirng. - soup = self.soup("") - self.assertEqual(soup.b.string, None) - - def test_tag_with_multiple_children_has_no_string(self): - # A tag with no children has no .string. - soup = self.soup("foo") - self.assertEqual(soup.b.string, None) - - soup = self.soup("foobar        ") - self.assertEqual(soup.b.string, None) - - # Even if all the children are strings, due to trickery, - # it won't work--but this would be a good optimization. - soup = self.soup("foo        ") - soup.a.insert(1, "bar") - self.assertEqual(soup.a.string, None) - - def test_tag_with_recursive_string_has_string(self): - # A tag with a single child which has a .string inherits that - # .string. - soup = self.soup("foo") - self.assertEqual(soup.a.string, "foo") - self.assertEqual(soup.string, "foo") - - def test_lack_of_string(self): - """Only a tag containing a single text node has a .string.""" - soup = self.soup("feo") - self.assertFalse(soup.b.string) - - soup = self.soup("") - self.assertFalse(soup.b.string) - - def test_all_text(self): - """Tag.text and Tag.get_text(sep=u"") -> all child text, concatenated""" - soup = self.soup("ar t ") - self.assertEqual(soup.a.text, "ar t ") - self.assertEqual(soup.a.get_text(strip=True), "art") - self.assertEqual(soup.a.get_text(","), "a,r, , t ") - self.assertEqual(soup.a.get_text(",", strip=True), "a,r,t") - - def test_get_text_ignores_comments(self): - soup = self.soup("foobar") - self.assertEqual(soup.get_text(), "foobar") - - self.assertEqual( - soup.get_text(types=(NavigableString, Comment)), "fooIGNOREbar") - self.assertEqual( - soup.get_text(types=None), "fooIGNOREbar") - - def test_all_strings_ignores_comments(self): - soup = self.soup("foobar") - self.assertEqual(['foo', 'bar'], list(soup.strings)) - -class TestCDAtaListAttributes(SoupTest): - - """Testing cdata-list attributes like 'class'. - """ - def test_single_value_becomes_list(self): - soup = self.soup("") - self.assertEqual(["foo"],soup.a['class']) - - def test_multiple_values_becomes_list(self): - soup = self.soup("") - self.assertEqual(["foo", "bar"], soup.a['class']) - - def test_multiple_values_separated_by_weird_whitespace(self): - soup = self.soup("") - self.assertEqual(["foo", "bar", "baz"],soup.a['class']) - - def test_attributes_joined_into_string_on_output(self): - soup = self.soup("") - self.assertEqual(b'', soup.a.encode()) - - def test_accept_charset(self): - soup = self.soup('
        ') - self.assertEqual(['ISO-8859-1', 'UTF-8'], soup.form['accept-charset']) - - def test_cdata_attribute_applying_only_to_one_tag(self): - data = '' - soup = self.soup(data) - # We saw in another test that accept-charset is a cdata-list - # attribute for the tag. But it's not a cdata-list - # attribute for any other tag. - self.assertEqual('ISO-8859-1 UTF-8', soup.a['accept-charset']) - - -class TestPersistence(SoupTest): - "Testing features like pickle and deepcopy." - - def setUp(self): - super(TestPersistence, self).setUp() - self.page = """ - - - -Beautiful Soup: We called him Tortoise because he taught us. - - - - - - -foo -bar - -""" - self.tree = self.soup(self.page) - - def test_pickle_and_unpickle_identity(self): - # Pickling a tree, then unpickling it, yields a tree identical - # to the original. - dumped = pickle.dumps(self.tree, 2) - loaded = pickle.loads(dumped) - self.assertEqual(loaded.__class__, BeautifulSoup) - self.assertEqual(loaded.decode(), self.tree.decode()) - - def test_deepcopy_identity(self): - # Making a deepcopy of a tree yields an identical tree. - copied = copy.deepcopy(self.tree) - self.assertEqual(copied.decode(), self.tree.decode()) - - def test_unicode_pickle(self): - # A tree containing Unicode characters can be pickled. - html = u"\N{SNOWMAN}" - soup = self.soup(html) - dumped = pickle.dumps(soup, pickle.HIGHEST_PROTOCOL) - loaded = pickle.loads(dumped) - self.assertEqual(loaded.decode(), soup.decode()) - - -class TestSubstitutions(SoupTest): - - def test_default_formatter_is_minimal(self): - markup = u"<<Sacr\N{LATIN SMALL LETTER E WITH ACUTE} bleu!>>" - soup = self.soup(markup) - decoded = soup.decode(formatter="minimal") - # The < is converted back into < but the e-with-acute is left alone. - self.assertEqual( - decoded, - self.document_for( - u"<<Sacr\N{LATIN SMALL LETTER E WITH ACUTE} bleu!>>")) - - def test_formatter_html(self): - markup = u"<<Sacr\N{LATIN SMALL LETTER E WITH ACUTE} bleu!>>" - soup = self.soup(markup) - decoded = soup.decode(formatter="html") - self.assertEqual( - decoded, - self.document_for("<<Sacré bleu!>>")) - - def test_formatter_minimal(self): - markup = u"<<Sacr\N{LATIN SMALL LETTER E WITH ACUTE} bleu!>>" - soup = self.soup(markup) - decoded = soup.decode(formatter="minimal") - # The < is converted back into < but the e-with-acute is left alone. - self.assertEqual( - decoded, - self.document_for( - u"<<Sacr\N{LATIN SMALL LETTER E WITH ACUTE} bleu!>>")) - - def test_formatter_null(self): - markup = u"<<Sacr\N{LATIN SMALL LETTER E WITH ACUTE} bleu!>>" - soup = self.soup(markup) - decoded = soup.decode(formatter=None) - # Neither the angle brackets nor the e-with-acute are converted. - # This is not valid HTML, but it's what the user wanted. - self.assertEqual(decoded, - self.document_for(u"<>")) - - def test_formatter_custom(self): - markup = u"<foo>bar" - soup = self.soup(markup) - decoded = soup.decode(formatter = lambda x: x.upper()) - # Instead of normal entity conversion code, the custom - # callable is called on every string. - self.assertEqual( - decoded, - self.document_for(u"BAR")) - - def test_formatter_is_run_on_attribute_values(self): - markup = u'e' - soup = self.soup(markup) - a = soup.a - - expect_minimal = u'e' - - self.assertEqual(expect_minimal, a.decode()) - self.assertEqual(expect_minimal, a.decode(formatter="minimal")) - - expect_html = u'e' - self.assertEqual(expect_html, a.decode(formatter="html")) - - self.assertEqual(markup, a.decode(formatter=None)) - expect_upper = u'E' - self.assertEqual(expect_upper, a.decode(formatter=lambda x: x.upper())) - - def test_formatter_skips_script_tag_for_html_documents(self): - doc = """ - -""" - encoded = BeautifulSoup(doc).encode() - self.assertTrue(b"< < hey > >" in encoded) - - def test_formatter_skips_style_tag_for_html_documents(self): - doc = """ - -""" - encoded = BeautifulSoup(doc).encode() - self.assertTrue(b"< < hey > >" in encoded) - - def test_prettify_leaves_preformatted_text_alone(self): - soup = self.soup("
        foo 
          \tbar\n  \n
        baz ") - # Everything outside the 
         tag is reformatted, but everything
-        # inside is left alone.
-        self.assertEqual(
-            u'
        \n foo\n 
          \tbar\n  \n  
        \n baz\n
        ',
-            soup.div.prettify())
-
-    def test_prettify_accepts_formatter(self):
-        soup = BeautifulSoup("foo")
-        pretty = soup.prettify(formatter = lambda x: x.upper())
-        self.assertTrue("FOO" in pretty)
-
-    def test_prettify_outputs_unicode_by_default(self):
-        soup = self.soup("")
-        self.assertEqual(unicode, type(soup.prettify()))
-
-    def test_prettify_can_encode_data(self):
-        soup = self.soup("")
-        self.assertEqual(bytes, type(soup.prettify("utf-8")))
-
-    def test_html_entity_substitution_off_by_default(self):
-        markup = u"Sacr\N{LATIN SMALL LETTER E WITH ACUTE} bleu!"
-        soup = self.soup(markup)
-        encoded = soup.b.encode("utf-8")
-        self.assertEqual(encoded, markup.encode('utf-8'))
-
-    def test_encoding_substitution(self):
-        # Here's the  tag saying that a document is
-        # encoded in Shift-JIS.
-        meta_tag = ('')
-        soup = self.soup(meta_tag)
-
-        # Parse the document, and the charset apprears unchanged.
-        self.assertEqual(soup.meta['content'], 'text/html; charset=x-sjis')
-
-        # Encode the document into some encoding, and the encoding is
-        # substituted into the meta tag.
-        utf_8 = soup.encode("utf-8")
-        self.assertTrue(b"charset=utf-8" in utf_8)
-
-        euc_jp = soup.encode("euc_jp")
-        self.assertTrue(b"charset=euc_jp" in euc_jp)
-
-        shift_jis = soup.encode("shift-jis")
-        self.assertTrue(b"charset=shift-jis" in shift_jis)
-
-        utf_16_u = soup.encode("utf-16").decode("utf-16")
-        self.assertTrue("charset=utf-16" in utf_16_u)
-
-    def test_encoding_substitution_doesnt_happen_if_tag_is_strained(self):
-        markup = ('
        foo
        ')
-
-        # Beautiful Soup used to try to rewrite the meta tag even if the
-        # meta tag got filtered out by the strainer. This test makes
-        # sure that doesn't happen.
-        strainer = SoupStrainer('pre')
-        soup = self.soup(markup, parse_only=strainer)
-        self.assertEqual(soup.contents[0].name, 'pre')
-
-class TestEncoding(SoupTest):
-    """Test the ability to encode objects into strings."""
-
-    def test_unicode_string_can_be_encoded(self):
-        html = u"\N{SNOWMAN}"
-        soup = self.soup(html)
-        self.assertEqual(soup.b.string.encode("utf-8"),
-                          u"\N{SNOWMAN}".encode("utf-8"))
-
-    def test_tag_containing_unicode_string_can_be_encoded(self):
-        html = u"\N{SNOWMAN}"
-        soup = self.soup(html)
-        self.assertEqual(
-            soup.b.encode("utf-8"), html.encode("utf-8"))
-
-    def test_encoding_substitutes_unrecognized_characters_by_default(self):
-        html = u"\N{SNOWMAN}"
-        soup = self.soup(html)
-        self.assertEqual(soup.b.encode("ascii"), b"☃")
-
-    def test_encoding_can_be_made_strict(self):
-        html = u"\N{SNOWMAN}"
-        soup = self.soup(html)
-        self.assertRaises(
-            UnicodeEncodeError, soup.encode, "ascii", errors="strict")
-
-    def test_decode_contents(self):
-        html = u"\N{SNOWMAN}"
-        soup = self.soup(html)
-        self.assertEqual(u"\N{SNOWMAN}", soup.b.decode_contents())
-
-    def test_encode_contents(self):
-        html = u"\N{SNOWMAN}"
-        soup = self.soup(html)
-        self.assertEqual(
-            u"\N{SNOWMAN}".encode("utf8"), soup.b.encode_contents(
-                encoding="utf8"))
-
-    def test_deprecated_renderContents(self):
-        html = u"\N{SNOWMAN}"
-        soup = self.soup(html)
-        self.assertEqual(
-            u"\N{SNOWMAN}".encode("utf8"), soup.b.renderContents())
-
-class TestNavigableStringSubclasses(SoupTest):
-
-    def test_cdata(self):
-        # None of the current builders turn CDATA sections into CData
-        # objects, but you can create them manually.
-        soup = self.soup("")
-        cdata = CData("foo")
-        soup.insert(1, cdata)
-        self.assertEqual(str(soup), "")
-        self.assertEqual(soup.find(text="foo"), "foo")
-        self.assertEqual(soup.contents[0], "foo")
-
-    def test_cdata_is_never_formatted(self):
-        """Text inside a CData object is passed into the formatter.
-
-        But the return value is ignored.
-        """
-
-        self.count = 0
-        def increment(*args):
-            self.count += 1
-            return "BITTER FAILURE"
-
-        soup = self.soup("")
-        cdata = CData("<><><>")
-        soup.insert(1, cdata)
-        self.assertEqual(
-            b"<><>]]>", soup.encode(formatter=increment))
-        self.assertEqual(1, self.count)
-
-    def test_doctype_ends_in_newline(self):
-        # Unlike other NavigableString subclasses, a DOCTYPE always ends
-        # in a newline.
-        doctype = Doctype("foo")
-        soup = self.soup("")
-        soup.insert(1, doctype)
-        self.assertEqual(soup.encode(), b"\n")
-
-
-class TestSoupSelector(TreeTest):
-
-    HTML = """
-
-
-
-The title
-
-
-
-
-
        
-
        
-
        An H1
        
-
        Some text
        
-
        Some more text
        
-
        An H2
        
-
        Another
        
-Bob
-
        Another H2
        
-me
-
-span1a1
-span1a2 test
-
-span2a1
-
-
-
-
        
-
        English
        
-
        English UK
        
-
        English US
        
-
        French
        
-
        
-
-
-"""
-
-    def setUp(self):
-        self.soup = BeautifulSoup(self.HTML)
-
-    def assertSelects(self, selector, expected_ids):
-        el_ids = [el['id'] for el in self.soup.select(selector)]
-        el_ids.sort()
-        expected_ids.sort()
-        self.assertEqual(expected_ids, el_ids,
-            "Selector %s, expected [%s], got [%s]" % (
-                selector, ', '.join(expected_ids), ', '.join(el_ids)
-            )
-        )
-
-    assertSelect = assertSelects
-
-    def assertSelectMultiple(self, *tests):
-        for selector, expected_ids in tests:
-            self.assertSelect(selector, expected_ids)
-
-    def test_one_tag_one(self):
-        els = self.soup.select('title')
-        self.assertEqual(len(els), 1)
-        self.assertEqual(els[0].name, 'title')
-        self.assertEqual(els[0].contents, [u'The title'])
-
-    def test_one_tag_many(self):
-        els = self.soup.select('div')
-        self.assertEqual(len(els), 3)
-        for div in els:
-            self.assertEqual(div.name, 'div')
-
-    def test_tag_in_tag_one(self):
-        els = self.soup.select('div div')
-        self.assertSelects('div div', ['inner'])
-
-    def test_tag_in_tag_many(self):
-        for selector in ('html div', 'html body div', 'body div'):
-            self.assertSelects(selector, ['main', 'inner', 'footer'])
-
-    def test_tag_no_match(self):
-        self.assertEqual(len(self.soup.select('del')), 0)
-
-    def test_invalid_tag(self):
-        self.assertRaises(ValueError, self.soup.select, 'tag%t')
-
-    def test_header_tags(self):
-        self.assertSelectMultiple(
-            ('h1', ['header1']),
-            ('h2', ['header2', 'header3']),
-        )
-
-    def test_class_one(self):
-        for selector in ('.onep', 'p.onep', 'html p.onep'):
-            els = self.soup.select(selector)
-            self.assertEqual(len(els), 1)
-            self.assertEqual(els[0].name, 'p')
-            self.assertEqual(els[0]['class'], ['onep'])
-
-    def test_class_mismatched_tag(self):
-        els = self.soup.select('div.onep')
-        self.assertEqual(len(els), 0)
-
-    def test_one_id(self):
-        for selector in ('div#inner', '#inner', 'div div#inner'):
-            self.assertSelects(selector, ['inner'])
-
-    def test_bad_id(self):
-        els = self.soup.select('#doesnotexist')
-        self.assertEqual(len(els), 0)
-
-    def test_items_in_id(self):
-        els = self.soup.select('div#inner p')
-        self.assertEqual(len(els), 3)
-        for el in els:
-            self.assertEqual(el.name, 'p')
-        self.assertEqual(els[1]['class'], ['onep'])
-        self.assertFalse(els[0].has_attr('class'))
-
-    def test_a_bunch_of_emptys(self):
-        for selector in ('div#main del', 'div#main div.oops', 'div div#main'):
-            self.assertEqual(len(self.soup.select(selector)), 0)
-
-    def test_multi_class_support(self):
-        for selector in ('.class1', 'p.class1', '.class2', 'p.class2',
-            '.class3', 'p.class3', 'html p.class2', 'div#inner .class2'):
-            self.assertSelects(selector, ['pmulti'])
-
-    def test_multi_class_selection(self):
-        for selector in ('.class1.class3', '.class3.class2',
-                         '.class1.class2.class3'):
-            self.assertSelects(selector, ['pmulti'])
-
-    def test_child_selector(self):
-        self.assertSelects('.s1 > a', ['s1a1', 's1a2'])
-        self.assertSelects('.s1 > a span', ['s1a2s1'])
-
-    def test_child_selector_id(self):
-        self.assertSelects('.s1 > a#s1a2 span', ['s1a2s1'])
-
-    def test_attribute_equals(self):
-        self.assertSelectMultiple(
-            ('p[class="onep"]', ['p1']),
-            ('p[id="p1"]', ['p1']),
-            ('[class="onep"]', ['p1']),
-            ('[id="p1"]', ['p1']),
-            ('link[rel="stylesheet"]', ['l1']),
-            ('link[type="text/css"]', ['l1']),
-            ('link[href="blah.css"]', ['l1']),
-            ('link[href="no-blah.css"]', []),
-            ('[rel="stylesheet"]', ['l1']),
-            ('[type="text/css"]', ['l1']),
-            ('[href="blah.css"]', ['l1']),
-            ('[href="no-blah.css"]', []),
-            ('p[href="no-blah.css"]', []),
-            ('[href="no-blah.css"]', []),
-        )
-
-    def test_attribute_tilde(self):
-        self.assertSelectMultiple(
-            ('p[class~="class1"]', ['pmulti']),
-            ('p[class~="class2"]', ['pmulti']),
-            ('p[class~="class3"]', ['pmulti']),
-            ('[class~="class1"]', ['pmulti']),
-            ('[class~="class2"]', ['pmulti']),
-            ('[class~="class3"]', ['pmulti']),
-            ('a[rel~="friend"]', ['bob']),
-            ('a[rel~="met"]', ['bob']),
-            ('[rel~="friend"]', ['bob']),
-            ('[rel~="met"]', ['bob']),
-        )
-
-    def test_attribute_startswith(self):
-        self.assertSelectMultiple(
-            ('[rel^="style"]', ['l1']),
-            ('link[rel^="style"]', ['l1']),
-            ('notlink[rel^="notstyle"]', []),
-            ('[rel^="notstyle"]', []),
-            ('link[rel^="notstyle"]', []),
-            ('link[href^="bla"]', ['l1']),
-            ('a[href^="http://"]', ['bob', 'me']),
-            ('[href^="http://"]', ['bob', 'me']),
-            ('[id^="p"]', ['pmulti', 'p1']),
-            ('[id^="m"]', ['me', 'main']),
-            ('div[id^="m"]', ['main']),
-            ('a[id^="m"]', ['me']),
-        )
-
-    def test_attribute_endswith(self):
-        self.assertSelectMultiple(
-            ('[href$=".css"]', ['l1']),
-            ('link[href$=".css"]', ['l1']),
-            ('link[id$="1"]', ['l1']),
-            ('[id$="1"]', ['l1', 'p1', 'header1', 's1a1', 's2a1', 's1a2s1']),
-            ('div[id$="1"]', []),
-            ('[id$="noending"]', []),
-        )
-
-    def test_attribute_contains(self):
-        self.assertSelectMultiple(
-            # From test_attribute_startswith
-            ('[rel*="style"]', ['l1']),
-            ('link[rel*="style"]', ['l1']),
-            ('notlink[rel*="notstyle"]', []),
-            ('[rel*="notstyle"]', []),
-            ('link[rel*="notstyle"]', []),
-            ('link[href*="bla"]', ['l1']),
-            ('a[href*="http://"]', ['bob', 'me']),
-            ('[href*="http://"]', ['bob', 'me']),
-            ('[id*="p"]', ['pmulti', 'p1']),
-            ('div[id*="m"]', ['main']),
-            ('a[id*="m"]', ['me']),
-            # From test_attribute_endswith
-            ('[href*=".css"]', ['l1']),
-            ('link[href*=".css"]', ['l1']),
-            ('link[id*="1"]', ['l1']),
-            ('[id*="1"]', ['l1', 'p1', 'header1', 's1a1', 's1a2', 's2a1', 's1a2s1']),
-            ('div[id*="1"]', []),
-            ('[id*="noending"]', []),
-            # New for this test
-            ('[href*="."]', ['bob', 'me', 'l1']),
-            ('a[href*="."]', ['bob', 'me']),
-            ('link[href*="."]', ['l1']),
-            ('div[id*="n"]', ['main', 'inner']),
-            ('div[id*="nn"]', ['inner']),
-        )
-
-    def test_attribute_exact_or_hypen(self):
-        self.assertSelectMultiple(
-            ('p[lang|="en"]', ['lang-en', 'lang-en-gb', 'lang-en-us']),
-            ('[lang|="en"]', ['lang-en', 'lang-en-gb', 'lang-en-us']),
-            ('p[lang|="fr"]', ['lang-fr']),
-            ('p[lang|="gb"]', []),
-        )
-
-    def test_attribute_exists(self):
-        self.assertSelectMultiple(
-            ('[rel]', ['l1', 'bob', 'me']),
-            ('link[rel]', ['l1']),
-            ('a[rel]', ['bob', 'me']),
-            ('[lang]', ['lang-en', 'lang-en-gb', 'lang-en-us', 'lang-fr']),
-            ('p[class]', ['p1', 'pmulti']),
-            ('[blah]', []),
-            ('p[blah]', []),
-        )
-
-    def test_nth_of_type(self):
-        # Try to select first paragraph
-        els = self.soup.select('div#inner p:nth-of-type(1)')
-        self.assertEqual(len(els), 1)
-        self.assertEqual(els[0].string, u'Some text')
-
-        # Try to select third paragraph
-        els = self.soup.select('div#inner p:nth-of-type(3)')
-        self.assertEqual(len(els), 1)
-        self.assertEqual(els[0].string, u'Another')
-
-        # Try to select (non-existent!) fourth paragraph
-        els = self.soup.select('div#inner p:nth-of-type(4)')
-        self.assertEqual(len(els), 0)
-
-        # Pass in an invalid value.
-        self.assertRaises(
-            ValueError, self.soup.select, 'div p:nth-of-type(0)')
-
-    def test_nth_of_type_direct_descendant(self):
-        els = self.soup.select('div#inner > p:nth-of-type(1)')
-        self.assertEqual(len(els), 1)
-        self.assertEqual(els[0].string, u'Some text')
-
-    def test_id_child_selector_nth_of_type(self):
-        self.assertSelects('#inner > p:nth-of-type(2)', ['p1'])
-
-    def test_select_on_element(self):
-        # Other tests operate on the tree; this operates on an element
-        # within the tree.
-        inner = self.soup.find("div", id="main")
-        selected = inner.select("div")
-        # The 
         tag was selected. The