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CloudBot/plugins/factoids.py

156 lines
4.3 KiB
Python

# Written by Scaevolus 2010
from util import hook, http, text, execute
import string
import re
re_lineends = re.compile(r'[\r\n]*')
# some simple "shortcodes" for formatting purposes
shortcodes = {
'[b]': '\x02',
'[/b]': '\x02',
'[u]': '\x1F',
'[/u]': '\x1F',
'[i]': '\x16',
'[/i]': '\x16'}
def db_init(db):
db.execute("create table if not exists mem(word, data, nick,"
" primary key(word))")
db.commit()
def get_memory(db, word):
row = db.execute("select data from mem where word=lower(?)",
[word]).fetchone()
if row:
return row[0]
else:
return None
@hook.command("r", permissions=["addfactoid"])
@hook.command(permissions=["addfactoid"])
def remember(inp, nick='', db=None, notice=None):
"""remember <word> [+]<data> -- Remembers <data> with <word>. Add +
to <data> to append."""
db_init(db)
append = False
try:
word, data = inp.split(None, 1)
except ValueError:
return remember.__doc__
old_data = get_memory(db, word)
if data.startswith('+') and old_data:
append = True
# remove + symbol
new_data = data[1:]
# append new_data to the old_data
if len(new_data) > 1 and new_data[1] in (string.punctuation + ' '):
data = old_data + new_data
else:
data = old_data + ' ' + new_data
db.execute("replace into mem(word, data, nick) values"
" (lower(?),?,?)", (word, data, nick))
db.commit()
if old_data:
if append:
notice("Appending \x02{}\x02 to \x02{}\x02".format(new_data, old_data))
else:
notice('Remembering \x02{}\x02 for \x02{}\x02. Type ?{} to see it.'.format(data, word, word))
notice('Previous data was \x02{}\x02'.format(old_data))
else:
notice('Remembering \x02{}\x02 for \x02{}\x02. Type ?{} to see it.'.format(data, word, word))
@hook.command("f", permissions=["delfactoid"])
@hook.command(permissions=["delfactoid"])
def forget(inp, db=None, notice=None):
"""forget <word> -- Forgets a remembered <word>."""
db_init(db)
data = get_memory(db, inp)
if data:
db.execute("delete from mem where word=lower(?)",
[inp])
db.commit()
notice('"%s" has been forgotten.' % data.replace('`', "'"))
return
else:
notice("I don't know about that.")
return
@hook.command
def info(inp, notice=None, db=None):
"""info <factoid> -- Shows the source of a factoid."""
db_init(db)
# attempt to get the factoid from the database
data = get_memory(db, inp.strip())
if data:
notice(data)
else:
notice("Unknown Factoid.")
@hook.regex(r'^\? ?(.+)')
def factoid(inp, message=None, db=None, bot=None, action=None, conn=None, input=None):
"?<word> -- Shows what data is associated with <word>."
try:
prefix_on = bot.config["plugins"]["factoids"].get("prefix", False)
except KeyError:
prefix_on = False
db_init(db)
# split up the input
split = inp.group(1).strip().split(" ")
factoid_id = split[0]
if len(split) >= 1:
arguments = " ".join(split[1:])
else:
arguments = ""
data = get_memory(db, factoid_id)
if data:
# factoid preprocessors
if data.startswith("<py>"):
code = data[4:].strip()
variables = 'input="""{}"""; nick="{}"; chan="{}"; bot_nick="{}";'.format(arguments.replace('"', '\\"'),
input.nick, input.chan,
input.conn.nick)
result = execute.eval_py(variables + code)
else:
result = data
# factoid postprocessors
result = text.multiword_replace(result, shortcodes)
if result.startswith("<act>"):
result = result[5:].strip()
action(result)
elif result.startswith("<url>"):
url = result[5:].strip()
try:
message(http.get(url))
except http.HttpError:
message("Could not fetch URL.")
else:
if prefix_on:
message("\x02[{}]:\x02 {}".format(factoid_id, result))
else:
message(result)