Early version of new weather plugin (this thing is huge :[)
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Luke Rogers
parent
8c33af02ae
commit
fbdeacdc76
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@ -1,95 +1,141 @@
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"weather, thanks to google"
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from util import hook, http
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def fahrenheit_to_celcius(f):
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return int(round((int(f) - 32) / 1.8, 0))
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api_url = "http://weather.yahooapis.com/forecastrss"
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@hook.command(autohelp=False)
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def forecast(inp, nick='', server='',
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reply=None, db=None, notice=None, say=None):
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"forecast <location> [dontsave] -- Gets a weather forecast" \
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" for <location> from Google."
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loc = inp
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def get_weather(location_id):
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"""uses the yahoo weather API to get weather information for a location"""
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dontsave = loc.endswith(" dontsave")
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if dontsave:
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loc = loc[:-9].strip().lower()
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xml = http.get_xml(api_url, p=location_id)
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data = xml.xpath('//y:location', \
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namespaces={'y': 'http://xml.weather.yahoo.com/ns/rss/1.0'})[0]
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db.execute("create table if not exists weather(nick primary key, loc)")
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# create a dictionary for weather data
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weather = {}
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if not loc:
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loc = db.execute("select loc from weather where nick=lower(?)",
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(nick,)).fetchone()
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if not loc:
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notice(forecast.__doc__)
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return
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loc = loc[0]
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weather['city'] = data.get('city')
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weather['region'] = data.get('region')
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weather['country'] = data.get('country')
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w = http.get_xml('http://www.google.com/ig/api', weather=loc)
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w = w.find('weather')
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# get wind information
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wind = xml.xpath('//y:wind', \
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namespaces={'y': 'http://xml.weather.yahoo.com/ns/rss/1.0'})[0]
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if w.find('problem_cause') is not None:
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notice("Couldn't fetch weather data for '%s', try using a zip or " \
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"postal code." % inp)
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return
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city = w.find('forecast_information/city').get('data')
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# wind chill
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weather['chill_f'] = wind.get('chill')
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weather['chill_c'] = int(round((int(wind.get('chill')) - 32) / 1.8, 0))
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out = "%s: " % city
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# wind speed
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weather['wind_speed_kph'] = int(round(float(wind.get('speed')) * 1.609344))
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weather['wind_speed_mph'] = wind.get('speed')
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for elem in w.findall('forecast_conditions'):
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info = dict((e.tag, e.get('data')) for e in elem)
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info['high'] = elem.find('high').get('data')
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info['low'] = elem.find('low').get('data')
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info['high_c'] = fahrenheit_to_celcius(elem.find('high').get('data'))
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info['low_c'] = fahrenheit_to_celcius(elem.find('low').get('data'))
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out += '\x02%(day_of_week)s\x02: %(condition)s (High: %(high)sF' \
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'/%(high_c)sC) (Low: %(low)sF/%(low_c)sC) ' % info
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# wind_direction
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weather['wind_direction'] = wind.get('direction')
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return out
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# textual wind direction
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direction = weather['wind_direction']
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if direction >= 0 and direction < 45:
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weather['wind_direction_text'] = 'N'
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elif direction >= 45 and direction < 90:
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weather['wind_direction_text'] = 'NE'
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elif direction >= 90 and direction < 135:
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weather['wind_direction_text'] = 'E'
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elif direction >= 135 and direction < 180:
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weather['wind_direction_text'] = 'SE'
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elif direction >= 180 and direction < 225:
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weather['wind_direction_text'] = 'S'
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elif direction >= 225 and direction < 270:
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weather['wind_direction_text'] = 'SW'
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elif direction >= 270 and direction < 315:
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weather['wind_direction_text'] = 'W'
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elif direction >= 315 and direction < 360:
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weather['wind_direction_text'] = 'NW'
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else:
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weather['wind_direction_text'] = 'N'
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# humidity, visibility and pressure
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atmosphere = xml.xpath('//y:atmosphere', \
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namespaces={'y': 'http://xml.weather.yahoo.com/ns/rss/1.0'})[0]
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weather['humidity'] = atmosphere.get('humidity') + "%"
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weather['visibility_mi'] = atmosphere.get('visibility')
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weather['visibility_km'] = \
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int(round(float(atmosphere.get('visibility')) * 1.609344))
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weather['pressure_in'] = atmosphere.get('pressure')
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weather['pressure_mb'] = \
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str(round((float(atmosphere.get('pressure')) * 33.8637526), 2))
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# textual value for air pressure
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rising = int(atmosphere.get('rising'))
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if rising == 0:
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weather['pressure_tendancy'] = 'steady'
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elif rising == 1:
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weather['pressure_tendancy'] = 'rising'
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elif rising == 2:
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weather['pressure_tendancy'] = 'falling'
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# weather condition code, temperature, summary text
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condition = xml.xpath('//y:condition', \
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namespaces={'y': 'http://xml.weather.yahoo.com/ns/rss/1.0'})[0]
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weather['code'] = condition.get('code')
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weather['temp_f'] = condition.get('temp')
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weather['temp_c'] = \
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int(round(((float(condition.get('temp')) - 32) / 9) * 5))
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weather['conditions'] = condition.get('text')
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# sunset and sunrise
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sun = xml.xpath('//y:astronomy', \
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namespaces={'y': 'http://xml.weather.yahoo.com/ns/rss/1.0'})[0]
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weather['sunrise'] = sun.get('sunrise')
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weather['sunset'] = sun.get('sunset')
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return weather
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@hook.command(autohelp=False)
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def weather(inp, nick='', server='', reply=None, db=None, notice=None):
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"weather <location> [dontsave] -- Gets weather data"\
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" for <location> from Google."
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loc = inp
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dontsave = loc.endswith(" dontsave")
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if dontsave:
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loc = loc[:-9].strip().lower()
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# initalise weather DB
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db.execute("create table if not exists yahoo_weather(nick primary key, location_id)")
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db.execute("create table if not exists weather(nick primary key, loc)")
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if not loc:
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loc = db.execute("select loc from weather where nick=lower(?)",
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(nick,)).fetchone()
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if not loc:
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# if there is no input, try getting the users last location from the DB
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if not inp:
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location_id = db.execute("select location_id from yahoo_weather where nick=lower(?)",
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[nick]).fetchone()
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if not location_id:
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# no location saved in the database, send the user help text
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notice(weather.__doc__)
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return
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loc = loc[0]
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location_id = location_id[0]
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w = http.get_xml('http://www.google.com/ig/api', weather=loc)
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w = w.find('weather')
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# no need to save a location, we already have it
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dontsave = True
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else:
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# see if the input ends with "dontsave"
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dontsave = inp.endswith(" dontsave")
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if w.find('problem_cause') is not None:
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notice("Couldn't fetch weather data for '%s', try using a zip or " \
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"postal code." % inp)
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return
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# remove "dontsave" from the input string after checking for it
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if dontsave:
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location = inp[:-9].strip().lower()
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else:
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location = inp
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info = dict((e.tag, e.get('data')) for e in w.find('current_conditions'))
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info['city'] = w.find('forecast_information/city').get('data')
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info['high'] = w.find('forecast_conditions/high').get('data')
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info['low'] = w.find('forecast_conditions/low').get('data')
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info['high_c'] = fahrenheit_to_celcius(info['high'])
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info['low_c'] = fahrenheit_to_celcius(info['low'])
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# get the weather.com location id from the location
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w = http.get_xml('http://xoap.weather.com/search/search', where=location)
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reply('%(city)s: %(condition)s, %(temp_f)sF/%(temp_c)sC (High: %(high)sF' \
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'/%(high_c)sC) (Low: %(low)sF/%(low_c)sC), %(humidity)s, ' \
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'%(wind_condition)s.' % info)
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try:
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location_id = w.find('loc').get('id')
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except AttributeError:
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return "Unknown location."
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if inp and not dontsave:
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db.execute("insert or replace into weather(nick, loc) values (?,?)",
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(nick.lower(), loc))
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db.commit()
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# now, to get the actual weather
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data = get_weather(location_id)
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reply('Current Conditions for \x02%(city)s\x02 - %(conditions)s, %(temp_f)sF/%(temp_c)sC, %(humidity)s, ' \
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'Wind: %(wind_speed_kph)sKPH/%(wind_speed_mph)sMPH %(wind_direction_text)s.' % data)
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if location_id and not dontsave:
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db.execute("insert or replace into yahoo_weather(nick, location_id) values (?,?)",
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(nick.lower(), location_id))
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db.commit()
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