### # Copyright (c) 2002-2004, Jeremiah Fincher # All rights reserved. # # Redistribution and use in source and binary forms, with or without # modification, are permitted provided that the following conditions are met: # # * Redistributions of source code must retain the above copyright notice, # this list of conditions, and the following disclaimer. # * Redistributions in binary form must reproduce the above copyright notice, # this list of conditions, and the following disclaimer in the # documentation and/or other materials provided with the distribution. # * Neither the name of the author of this software nor the name of # contributors to this software may be used to endorse or promote products # derived from this software without specific prior written consent. # # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" # AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE # ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE # LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR # CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF # SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS # INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN # CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) # ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE # POSSIBILITY OF SUCH DAMAGE. ### """ This plugin does weather-related stuff. It can't change the weather, though, so don't get your hopes up. We just report it. """ import supybot __revision__ = "$Id$" __contributors__ = { supybot.authors.jamessan: ['cnn', 'wunder', 'temperatureUnit configuration variable', 'convert configuration variable'], supybot.authors.jemfinch: ['weather'], supybot.authors.bwp: ['ham'], } import re import sets import urllib import BeautifulSoup import supybot.conf as conf import supybot.utils as utils import supybot.commands as commands import supybot.ircutils as ircutils import supybot.privmsgs as privmsgs import supybot.registry as registry import supybot.webutils as webutils import supybot.callbacks as callbacks unitAbbrevs = utils.abbrev(['Fahrenheit', 'Celsius', 'Centigrade', 'Kelvin']) unitAbbrevs['C'] = 'Celsius' unitAbbrevs['Ce'] = 'Celsius' noLocationError = 'No such location could be found.' class WeatherUnit(registry.String): def setValue(self, s): #print '***', repr(s) s = s.capitalize() if s not in unitAbbrevs: raise registry.InvalidRegistryValue,\ 'Unit must be one of Fahrenheit, Celsius, or Kelvin.' s = unitAbbrevs[s] registry.String.setValue(self, s) class WeatherCommand(registry.String): def setValue(self, s): m = Weather.weatherCommands if s not in m: raise registry.InvalidRegistryValue,\ 'Command must be one of %s' % utils.commaAndify(m) else: method = getattr(Weather, s) Weather.weather.im_func.__doc__ = method.__doc__ registry.String.setValue(self, s) # Registry variables moved to the bottom to use Weather.weatherCommands. class Weather(callbacks.Privmsg): """This should never be seen, because this plugin defines a command by the name of 'weather' which should override this help.""" weatherCommands = ['ham', 'cnn', 'wunder'] threaded = True def __init__(self): self.__parent = super(Weather, self) self.__parent.__init__() def callCommand(self, name, irc, msg, *L, **kwargs): try: self.__parent.callCommand(name, irc, msg, *L, **kwargs) except webutils.WebError, e: irc.error(str(e)) def weather(self, irc, msg, args): # This specifically does not have a docstring. channel = None if ircutils.isChannel(msg.args[0]): channel = msg.args[0] if not args: s = self.userValue('lastLocation', msg.prefix) if s: args = [s] location = privmsgs.getArgs(args) self.setUserValue('lastLocation', msg.prefix, location, ignoreNoUser=True) realCommandName = self.registryValue('command', channel) realCommand = getattr(self, realCommandName) ret = realCommand(irc, msg, args) def _toCelsius(self, temp, unit): if unit == 'K': return temp - 273.15 elif unit == 'F': return (temp - 32) * 5 /9 else: return temp _temp = re.compile(r'(-?\d+)(.*?)(F|C)') def _getTemp(self, temp, deg, unit, chan): assert unit == unit.upper() assert temp == int(temp) default = self.registryValue('temperatureUnit', chan) if unitAbbrevs[unit] == default: # Short circuit if we're the same unit as the default. return '%s%s%s' % (temp, deg, unit) temp = self._toCelsius(temp, unit) unit = 'C' if default == 'Kelvin': temp = temp + 273.15 unit = 'K' deg = ' ' elif default == 'Fahrenheit': temp = temp * 9 / 5 + 32 unit = 'F' return '%s%s%s' % (temp, deg, unit) _hamLoc = re.compile( r'' r'(.*?), (.*?),(.*?)', re.I) _interregex = re.compile( r'' r'([^,]+), ([^<]+)', re.I) _hamCond = re.compile( r'' r'([^<]+)', re.I) _hamTemp = re.compile( r'' r'(-?\d+)(.*?)(F|C)', re.I) _hamChill = re.compile( r'Wind Chill:\s+' r'([^N][^<]+)', re.I | re.S) _hamHeat = re.compile( r'Heat Index:\s+' r'([^N][^<]+)', re.I | re.S) # States _realStates = sets.Set(['ak', 'al', 'ar', 'az', 'ca', 'co', 'ct', 'dc', 'de', 'fl', 'ga', 'hi', 'ia', 'id', 'il', 'in', 'ks', 'ky', 'la', 'ma', 'md', 'me', 'mi', 'mn', 'mo', 'ms', 'mt', 'nc', 'nd', 'ne', 'nh', 'nj', 'nm', 'nv', 'ny', 'oh', 'ok', 'or', 'pa', 'ri', 'sc', 'sd', 'tn', 'tx', 'ut', 'va', 'vt', 'wa', 'wi', 'wv', 'wy']) # Provinces. (Province being a metric state measurement mind you. :D) _fakeStates = sets.Set(['ab', 'bc', 'mb', 'nb', 'nf', 'ns', 'nt', 'nu', 'on', 'pe', 'qc', 'sk', 'yk']) # Certain countries are expected to use a standard abbreviation # The weather we pull uses weird codes. Map obvious ones here. _hamCountryMap = {'uk': 'gb'} def ham(self, irc, msg, args, loc): """ Returns the approximate weather conditions for a given city. """ #If we received more than one argument, then we have received #a city and state argument that we need to process. if ' ' in loc: #If we received more than 1 argument, then we got a city with a #multi-word name. ie ['Garden', 'City', 'KS'] instead of #['Liberal', 'KS']. We join it together with a + to pass #to our query loc = rsplit(loc, None, 1) state = loc.pop().lower() city = '+'.join(loc) city = city.rstrip(',').lower() #We must break the States up into two sections. The US and #Canada are the only countries that require a State argument. if state in self._realStates: country = 'us' elif state in self._fakeStates: country = 'ca' else: country = state state = '' if country in self._hamCountryMap.keys(): country = self._hamCountryMap[country] url = 'http://www.hamweather.net/cgi-bin/hw3/hw3.cgi?' \ 'pass=&dpp=&forecast=zandh&config=&' \ 'place=%s&state=%s&country=%s' % (city, state, country) html = webutils.getUrl(url) if 'was not found' in html: url = 'http://www.hamweather.net/cgi-bin/hw3/hw3.cgi?' \ 'pass=&dpp=&forecast=zandh&config=&' \ 'place=%s&state=&country=%s' % (city, state) html = webutils.getUrl(url) if 'was not found' in html: # Still. irc.error(noLocationError, Raise=True) #We received a single argument. Zipcode or station id. else: zip = loc.replace(',', '') zip = zip.lower() url = 'http://www.hamweather.net/cgi-bin/hw3/hw3.cgi?' \ 'config=&forecast=zandh&pands=%s&Submit=GO' % zip html = webutils.getUrl(url) if 'was not found' in html: irc.error(noLocationError, Raise=True) headData = self._hamLoc.search(html) if headData is not None: (city, state, country) = headData.groups() else: headData = self._interregex.search(html) if headData: (city, state) = headData.groups() else: irc.error(noLocationError, Raise=True) city = city.strip() state = state.strip() temp = self._hamTemp.search(html) convert = self.registryValue('convert', msg.args[0]) if temp is not None: (temp, deg, unit) = temp.groups() if convert: temp = self._getTemp(int(temp), deg, unit, msg.args[0]) else: temp = deg.join((temp, unit)) conds = self._hamCond.search(html) if conds is not None: conds = conds.group(1) index = '' chill = self._hamChill.search(html) if chill is not None: chill = chill.group(1) chill = utils.htmlToText(chill) if convert: tempsplit = self._temp.search(chill) if tempsplit: (chill, deg, unit) = tempsplit.groups() chill = self._getTemp(int(chill), deg, unit,msg.args[0]) if float(chill[:-2]) < float(temp[:-2]): index = ' (Wind Chill: %s)' % chill heat = self._hamHeat.search(html) if heat is not None: heat = heat.group(1) heat = utils.htmlToText(heat) if convert: tempsplit = self._temp.search(heat) if tempsplit: (heat, deg, unit) = tempsplit.groups() if convert: heat = self._getTemp(int(heat), deg, unit,msg.args[0]) if float(heat[:-2]) > float(temp[:-2]): index = ' (Heat Index: %s)' % heat if temp and conds and city and state: conds = conds.replace('Tsra', 'Thunderstorms') conds = conds.replace('Ts', 'Thunderstorms') s = 'The current temperature in %s, %s is %s%s. Conditions: %s.'% \ (city, state, temp, index, conds) irc.reply(s) else: irc.error('The format of the page was odd.') ham = commands.wrap(ham, ['something']) _cnnUrl = 'http://weather.cnn.com/weather/search?wsearch=' _cnnFTemp = re.compile(r'(-?\d+)(°)(F)', re.I | re.S) _cnnCond = re.compile(r'align="center">([^<]+)', re.I | re.S) _cnnHumid = re.compile(r'Rel. Humidity: (\d+%)', re.I | re.S) _cnnWind = re.compile(r'Wind: ([^<]+)', re.I | re.S) _cnnLoc = re.compile(r'([^<]+)', re.I | re.S) # Certain countries are expected to use a standard abbreviation # The weather we pull uses weird codes. Map obvious ones here. _cnnCountryMap = {'uk': 'en', 'de': 'ge'} def cnn(self, irc, msg, args, loc): """ Returns the approximate weather conditions for a given city. """ if ' ' in loc: #If we received more than 1 argument, then we got a city with a #multi-word name. ie ['Garden', 'City', 'KS'] instead of #['Liberal', 'KS']. loc = rsplit(loc, None, 1) state = loc.pop().lower() city = ' '.join(loc) city = city.rstrip(',').lower() if state in self._cnnCountryMap: state = self._cnnCountryMap[state] loc = ' '.join([city, state]) else: #We received a single argument. Zipcode or station id. loc = loc.replace(',', '') url = '%s%s' % (self._cnnUrl, urllib.quote(loc)) text = webutils.getUrl(url) # Errors caught in callCommand. if "No search results" in text or "does not match a zip code" in text: irc.error(noLocationError, Raise=True) location = self._cnnLoc.search(text) temp = self._cnnFTemp.search(text) conds = self._cnnCond.search(text) humidity = self._cnnHumid.search(text) wind = self._cnnWind.search(text) convert = self.registryValue('convert', msg.args[0]) if location and temp: location = location.group(1) location = location.split('-')[-1].strip() (temp, deg, unit) = temp.groups() if convert: temp = self._getTemp(int(temp), deg, unit, msg.args[0]) else: temp = deg.join((temp, unit)) resp = ['The current temperature in %s is %s.' % (location, temp)] if conds is not None: resp.append('Conditions: %s.' % conds.group(1)) if humidity is not None: resp.append('Humidity: %s.' % humidity.group(1)) if wind is not None: resp.append('Wind: %s.' % wind.group(1)) resp = map(utils.htmlToText, resp) irc.reply(' '.join(resp)) else: irc.error('Could not find weather information.') cnn = commands.wrap(cnn, ['something']) _wunderUrl = 'http://mobile.wunderground.com/cgi-bin/' \ 'findweather/getForecast?query=' _wunderLoc = re.compile(r'Page (.+?) Forecast', re.I | re.S) _wunderMultiLoc = re.compile(r' Returns the approximate weather conditions for a given city. """ url = '%s%s' % (self._wunderUrl, urllib.quote(loc)) text = webutils.getUrl(url) if 'Search not found' in text: irc.error(noLocationError, Raise=True) if 'Click on a city name' in text: soup = BeautifulSoup.BeautifulSoup() soup.feed(text) newloc = soup.first('a').get('href') if newloc is None: irc.error('Multiple locations found. ' 'Please be more specific.', Raise=True) url = 'http://mobile.wunderground.com%s' % newloc text = webutils.getUrl(url) soup.close() soup = BeautifulSoup.BeautifulSoup() soup.feed(text) # Get the table with all the weather info table = soup.first('table', {'border':'1'}) trs = table.fetch('tr') try: time = trs.pop(0).first('b').string except AttributeError: time = '' info = {} def isText(t): return not isinstance(t,BeautifulSoup.NavigableText) and t.contents def getText(t): s = getattr(t, 'string', None) if s is None: t = t.contents num = t[0].string units = t[1].string # htmlToText strips leading whitespace, so we have to handle # strings with   differently. if units.startswith(' '): units = utils.htmlToText(units) s = ' '.join((num, units)) else: units = utils.htmlToText(units) s = ' '.join((num, units[0], units[1:])) return s for tr in trs: k = tr.first('td').string v = filter(isText, tr.fetch('td')[1].contents) value = map(getText, v) info[k] = ' '.join(value) location = self._wunderLoc.search(text) temp = info['Temperature'] convert = self.registryValue('convert', msg.args[0]) if location and temp: (temp, deg, unit) = temp.split() if convert: temp = self._getTemp(int(temp), deg, unit, msg.args[0]) else: temp = deg.join((temp, unit)) resp = ['The current temperature in %s is %s (%s).' %\ (location.group(1), temp, time)] conds = info['Conditions'] resp.append('Conditions: %s.' % info['Conditions']) humidity = info['Humidity'] resp.append('Humidity: %s.' % info['Humidity']) (dew, deg, unit) = info['Dew Point'].split() if convert: dew = self._getTemp(int(dew), deg, unit, msg.args[0]) else: dew = deg.join((dew, unit)) resp.append('Dew Point: %s.' % dew) resp.append('Wind: %s at %s %s.' % tuple(info['Wind'].split())) resp.append('Pressure: %s.' % info['Pressure']) resp.append('Visibility: %s.' % info['Visibility']) resp = map(utils.htmlToText, resp) irc.reply(' '.join(resp)) else: irc.error('Could not find weather information.') wunder = commands.wrap(wunder, ['something']) conf.registerPlugin('Weather') conf.registerChannelValue(conf.supybot.plugins.Weather, 'temperatureUnit', WeatherUnit('Fahrenheit', """Sets the default temperature unit to use when reporting the weather.""")) conf.registerChannelValue(conf.supybot.plugins.Weather, 'command', WeatherCommand('wunder', """Sets the default command to use when retrieving the weather. Command must be one of %s.""" % utils.commaAndify(Weather.weatherCommands, And='or'))) conf.registerChannelValue(conf.supybot.plugins.Weather, 'convert', registry.Boolean(True, """Determines whether the weather commands will automatically convert weather units to the unit specified in supybot.plugins.Weather.temperatureUnit.""")) conf.registerUserValue(conf.users.plugins.Weather, 'lastLocation', registry.String('', '')) Class = Weather # vim:set shiftwidth=4 tabstop=8 expandtab textwidth=78: