mirror of
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455 lines
19 KiB
Python
455 lines
19 KiB
Python
###
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# Copyright (c) 2002-2004, Jeremiah Fincher
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions are met:
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#
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# * Redistributions of source code must retain the above copyright notice,
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# this list of conditions, and the following disclaimer.
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# * Redistributions in binary form must reproduce the above copyright notice,
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# this list of conditions, and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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# * Neither the name of the author of this software nor the name of
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# contributors to this software may be used to endorse or promote products
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# derived from this software without specific prior written consent.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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# POSSIBILITY OF SUCH DAMAGE.
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###
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"""
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This plugin does weather-related stuff. It can't change the weather, though,
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so don't get your hopes up. We just report it.
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"""
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import supybot
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__revision__ = "$Id$"
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__contributors__ = {
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supybot.authors.jamessan: ['cnn', 'wunder',
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'temperatureUnit configuration variable',
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'convert configuration variable'],
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supybot.authors.jemfinch: ['weather'],
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supybot.authors.bwp: ['ham'],
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}
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import re
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import sets
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import urllib
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import BeautifulSoup
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import supybot.conf as conf
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import supybot.utils as utils
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import supybot.commands as commands
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import supybot.ircutils as ircutils
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import supybot.privmsgs as privmsgs
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import supybot.registry as registry
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import supybot.webutils as webutils
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import supybot.callbacks as callbacks
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unitAbbrevs = utils.abbrev(['Fahrenheit', 'Celsius', 'Centigrade', 'Kelvin'])
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unitAbbrevs['C'] = 'Celsius'
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unitAbbrevs['Ce'] = 'Celsius'
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noLocationError = 'No such location could be found.'
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class WeatherUnit(registry.String):
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def setValue(self, s):
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#print '***', repr(s)
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s = s.capitalize()
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if s not in unitAbbrevs:
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raise registry.InvalidRegistryValue,\
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'Unit must be one of Fahrenheit, Celsius, or Kelvin.'
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s = unitAbbrevs[s]
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registry.String.setValue(self, s)
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class WeatherCommand(registry.String):
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def setValue(self, s):
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m = Weather.weatherCommands
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if s not in m:
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raise registry.InvalidRegistryValue,\
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'Command must be one of %s' % utils.commaAndify(m)
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else:
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method = getattr(Weather, s)
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Weather.weather.im_func.__doc__ = method.__doc__
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registry.String.setValue(self, s)
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# Registry variables moved to the bottom to use Weather.weatherCommands.
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class Weather(callbacks.Privmsg):
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"""This should never be seen, because this plugin defines a command by
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the name of 'weather' which should override this help."""
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weatherCommands = ['ham', 'cnn', 'wunder']
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threaded = True
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def __init__(self):
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self.__parent = super(Weather, self)
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self.__parent.__init__()
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def callCommand(self, name, irc, msg, *L, **kwargs):
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try:
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self.__parent.callCommand(name, irc, msg, *L, **kwargs)
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except webutils.WebError, e:
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irc.error(str(e))
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def weather(self, irc, msg, args):
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# This specifically does not have a docstring.
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channel = None
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if ircutils.isChannel(msg.args[0]):
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channel = msg.args[0]
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if not args:
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s = self.userValue('lastLocation', msg.prefix)
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if s:
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args = [s]
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location = privmsgs.getArgs(args)
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self.setUserValue('lastLocation', msg.prefix,
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location, ignoreNoUser=True)
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realCommandName = self.registryValue('command', channel)
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realCommand = getattr(self, realCommandName)
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ret = realCommand(irc, msg, args)
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def _toCelsius(self, temp, unit):
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if unit == 'K':
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return temp - 273.15
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elif unit == 'F':
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return (temp - 32) * 5 /9
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else:
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return temp
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_temp = re.compile(r'(-?\d+)(.*?)(F|C)')
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def _getTemp(self, temp, deg, unit, chan):
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assert unit == unit.upper()
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assert temp == int(temp)
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default = self.registryValue('temperatureUnit', chan)
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if unitAbbrevs[unit] == default:
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# Short circuit if we're the same unit as the default.
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return '%s%s%s' % (temp, deg, unit)
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temp = self._toCelsius(temp, unit)
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unit = 'C'
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if default == 'Kelvin':
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temp = temp + 273.15
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unit = 'K'
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deg = ' '
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elif default == 'Fahrenheit':
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temp = temp * 9 / 5 + 32
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unit = 'F'
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return '%s%s%s' % (temp, deg, unit)
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_hamLoc = re.compile(
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r'<td><font size="4" face="arial"><b>'
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r'(.*?), (.*?),(.*?)</b></font></td>', re.I)
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_interregex = re.compile(
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r'<td><font size="4" face="arial"><b>'
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r'([^,]+), ([^<]+)</b></font></td>', re.I)
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_hamCond = re.compile(
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r'<td width="100%" colspan="2" align="center"><strong>'
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r'<font face="arial">([^<]+)</font></strong></td>', re.I)
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_hamTemp = re.compile(
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r'<td valign="top" align="right"><strong><font face="arial">'
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r'(-?\d+)(.*?)(F|C)</font></strong></td>', re.I)
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_hamChill = re.compile(
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r'Wind Chill</font></strong>:</small></td>\s+<td align="right">'
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r'<small><font face="arial">([^N][^<]+)</font></small></td>',
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re.I | re.S)
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_hamHeat = re.compile(
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r'Heat Index</font></strong>:</small></td>\s+<td align="right">'
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r'<small><font face="arial">([^N][^<]+)</font></small></td>',
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re.I | re.S)
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# States
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_realStates = sets.Set(['ak', 'al', 'ar', 'az', 'ca', 'co', 'ct',
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'dc', 'de', 'fl', 'ga', 'hi', 'ia', 'id',
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'il', 'in', 'ks', 'ky', 'la', 'ma', 'md',
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'me', 'mi', 'mn', 'mo', 'ms', 'mt', 'nc',
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'nd', 'ne', 'nh', 'nj', 'nm', 'nv', 'ny',
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'oh', 'ok', 'or', 'pa', 'ri', 'sc', 'sd',
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'tn', 'tx', 'ut', 'va', 'vt', 'wa', 'wi',
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'wv', 'wy'])
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# Provinces. (Province being a metric state measurement mind you. :D)
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_fakeStates = sets.Set(['ab', 'bc', 'mb', 'nb', 'nf', 'ns', 'nt',
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'nu', 'on', 'pe', 'qc', 'sk', 'yk'])
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# Certain countries are expected to use a standard abbreviation
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# The weather we pull uses weird codes. Map obvious ones here.
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_hamCountryMap = {'uk': 'gb'}
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def ham(self, irc, msg, args, loc):
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"""<US zip code | US/Canada city, state | Foreign city, country>
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Returns the approximate weather conditions for a given city.
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"""
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#If we received more than one argument, then we have received
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#a city and state argument that we need to process.
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if ' ' in loc:
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#If we received more than 1 argument, then we got a city with a
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#multi-word name. ie ['Garden', 'City', 'KS'] instead of
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#['Liberal', 'KS']. We join it together with a + to pass
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#to our query
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loc = rsplit(loc, None, 1)
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state = loc.pop().lower()
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city = '+'.join(loc)
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city = city.rstrip(',').lower()
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#We must break the States up into two sections. The US and
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#Canada are the only countries that require a State argument.
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if state in self._realStates:
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country = 'us'
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elif state in self._fakeStates:
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country = 'ca'
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else:
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country = state
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state = ''
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if country in self._hamCountryMap.keys():
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country = self._hamCountryMap[country]
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url = 'http://www.hamweather.net/cgi-bin/hw3/hw3.cgi?' \
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'pass=&dpp=&forecast=zandh&config=&' \
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'place=%s&state=%s&country=%s' % (city, state, country)
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html = webutils.getUrl(url)
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if 'was not found' in html:
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url = 'http://www.hamweather.net/cgi-bin/hw3/hw3.cgi?' \
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'pass=&dpp=&forecast=zandh&config=&' \
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'place=%s&state=&country=%s' % (city, state)
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html = webutils.getUrl(url)
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if 'was not found' in html: # Still.
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irc.error(noLocationError, Raise=True)
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#We received a single argument. Zipcode or station id.
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else:
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zip = loc.replace(',', '')
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zip = zip.lower()
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url = 'http://www.hamweather.net/cgi-bin/hw3/hw3.cgi?' \
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'config=&forecast=zandh&pands=%s&Submit=GO' % zip
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html = webutils.getUrl(url)
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if 'was not found' in html:
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irc.error(noLocationError, Raise=True)
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headData = self._hamLoc.search(html)
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if headData is not None:
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(city, state, country) = headData.groups()
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else:
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headData = self._interregex.search(html)
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if headData:
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(city, state) = headData.groups()
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else:
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irc.error(noLocationError, Raise=True)
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city = city.strip()
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state = state.strip()
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temp = self._hamTemp.search(html)
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convert = self.registryValue('convert', msg.args[0])
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if temp is not None:
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(temp, deg, unit) = temp.groups()
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if convert:
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temp = self._getTemp(int(temp), deg, unit, msg.args[0])
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else:
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temp = deg.join((temp, unit))
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conds = self._hamCond.search(html)
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if conds is not None:
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conds = conds.group(1)
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index = ''
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chill = self._hamChill.search(html)
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if chill is not None:
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chill = chill.group(1)
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chill = utils.htmlToText(chill)
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if convert:
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tempsplit = self._temp.search(chill)
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if tempsplit:
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(chill, deg, unit) = tempsplit.groups()
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chill = self._getTemp(int(chill), deg, unit,msg.args[0])
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if float(chill[:-2]) < float(temp[:-2]):
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index = ' (Wind Chill: %s)' % chill
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heat = self._hamHeat.search(html)
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if heat is not None:
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heat = heat.group(1)
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heat = utils.htmlToText(heat)
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if convert:
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tempsplit = self._temp.search(heat)
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if tempsplit:
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(heat, deg, unit) = tempsplit.groups()
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if convert:
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heat = self._getTemp(int(heat), deg, unit,msg.args[0])
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if float(heat[:-2]) > float(temp[:-2]):
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index = ' (Heat Index: %s)' % heat
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if temp and conds and city and state:
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conds = conds.replace('Tsra', 'Thunderstorms')
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conds = conds.replace('Ts', 'Thunderstorms')
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s = 'The current temperature in %s, %s is %s%s. Conditions: %s.'% \
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(city, state, temp, index, conds)
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irc.reply(s)
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else:
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irc.error('The format of the page was odd.')
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ham = commands.wrap(ham, ['something'])
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_cnnUrl = 'http://weather.cnn.com/weather/search?wsearch='
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_cnnFTemp = re.compile(r'(-?\d+)(°)(F)</span>', re.I | re.S)
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_cnnCond = re.compile(r'align="center"><b>([^<]+)</b></div></td>',
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re.I | re.S)
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_cnnHumid = re.compile(r'Rel. Humidity: <b>(\d+%)</b>', re.I | re.S)
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_cnnWind = re.compile(r'Wind: <b>([^<]+)</b>', re.I | re.S)
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_cnnLoc = re.compile(r'<title>([^<]+)</title>', re.I | re.S)
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# Certain countries are expected to use a standard abbreviation
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# The weather we pull uses weird codes. Map obvious ones here.
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_cnnCountryMap = {'uk': 'en', 'de': 'ge'}
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def cnn(self, irc, msg, args, loc):
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"""<US zip code | US/Canada city, state | Foreign city, country>
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Returns the approximate weather conditions for a given city.
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"""
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if ' ' in loc:
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#If we received more than 1 argument, then we got a city with a
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#multi-word name. ie ['Garden', 'City', 'KS'] instead of
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#['Liberal', 'KS'].
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loc = rsplit(loc, None, 1)
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state = loc.pop().lower()
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city = ' '.join(loc)
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city = city.rstrip(',').lower()
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if state in self._cnnCountryMap:
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state = self._cnnCountryMap[state]
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loc = ' '.join([city, state])
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else:
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#We received a single argument. Zipcode or station id.
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loc = loc.replace(',', '')
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url = '%s%s' % (self._cnnUrl, urllib.quote(loc))
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text = webutils.getUrl(url) # Errors caught in callCommand.
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if "No search results" in text or "does not match a zip code" in text:
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irc.error(noLocationError, Raise=True)
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location = self._cnnLoc.search(text)
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temp = self._cnnFTemp.search(text)
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conds = self._cnnCond.search(text)
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humidity = self._cnnHumid.search(text)
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wind = self._cnnWind.search(text)
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convert = self.registryValue('convert', msg.args[0])
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if location and temp:
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location = location.group(1)
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location = location.split('-')[-1].strip()
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(temp, deg, unit) = temp.groups()
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if convert:
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temp = self._getTemp(int(temp), deg, unit, msg.args[0])
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else:
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temp = deg.join((temp, unit))
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resp = ['The current temperature in %s is %s.' % (location, temp)]
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if conds is not None:
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resp.append('Conditions: %s.' % conds.group(1))
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if humidity is not None:
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resp.append('Humidity: %s.' % humidity.group(1))
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if wind is not None:
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resp.append('Wind: %s.' % wind.group(1))
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resp = map(utils.htmlToText, resp)
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irc.reply(' '.join(resp))
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else:
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irc.error('Could not find weather information.')
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cnn = commands.wrap(cnn, ['something'])
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_wunderUrl = 'http://mobile.wunderground.com/cgi-bin/' \
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'findweather/getForecast?query='
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_wunderLoc = re.compile(r'Page (.+?) Forecast</title>', re.I | re.S)
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_wunderMultiLoc = re.compile(r'<a href="([^"]+)', re.I | re.S)
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def wunder(self, irc, msg, args, loc):
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"""<US zip code | US/Canada city, state | Foreign city, country>
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Returns the approximate weather conditions for a given city.
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"""
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url = '%s%s' % (self._wunderUrl, urllib.quote(loc))
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text = webutils.getUrl(url)
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if 'Search not found' in text:
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irc.error(noLocationError, Raise=True)
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if 'Click on a city name' in text:
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soup = BeautifulSoup.BeautifulSoup()
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soup.feed(text)
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newloc = soup.first('a').get('href')
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if newloc is None:
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irc.error('Multiple locations found. '
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'Please be more specific.', Raise=True)
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url = 'http://mobile.wunderground.com%s' % newloc
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text = webutils.getUrl(url)
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soup.close()
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soup = BeautifulSoup.BeautifulSoup()
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soup.feed(text)
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# Get the table with all the weather info
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table = soup.first('table', {'border':'1'})
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trs = table.fetch('tr')
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try:
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time = trs.pop(0).first('b').string
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except AttributeError:
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time = ''
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info = {}
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def isText(t):
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return not isinstance(t,BeautifulSoup.NavigableText) and t.contents
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def getText(t):
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s = getattr(t, 'string', None)
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if s is None:
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t = t.contents
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num = t[0].string
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units = t[1].string
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# htmlToText strips leading whitespace, so we have to handle
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# strings with differently.
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if units.startswith(' '):
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units = utils.htmlToText(units)
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s = ' '.join((num, units))
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else:
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units = utils.htmlToText(units)
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s = ' '.join((num, units[0], units[1:]))
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return s
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for tr in trs:
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k = tr.first('td').string
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v = filter(isText, tr.fetch('td')[1].contents)
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value = map(getText, v)
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info[k] = ' '.join(value)
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location = self._wunderLoc.search(text)
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temp = info['Temperature']
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convert = self.registryValue('convert', msg.args[0])
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if location and temp:
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(temp, deg, unit) = temp.split()
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if convert:
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temp = self._getTemp(int(temp), deg, unit, msg.args[0])
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else:
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temp = deg.join((temp, unit))
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resp = ['The current temperature in %s is %s (%s).' %\
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(location.group(1), temp, time)]
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conds = info['Conditions']
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resp.append('Conditions: %s.' % info['Conditions'])
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humidity = info['Humidity']
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resp.append('Humidity: %s.' % info['Humidity'])
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(dew, deg, unit) = info['Dew Point'].split()
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if convert:
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dew = self._getTemp(int(dew), deg, unit, msg.args[0])
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else:
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dew = deg.join((dew, unit))
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resp.append('Dew Point: %s.' % dew)
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resp.append('Wind: %s at %s %s.' % tuple(info['Wind'].split()))
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resp.append('Pressure: %s.' % info['Pressure'])
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resp.append('Visibility: %s.' % info['Visibility'])
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resp = map(utils.htmlToText, resp)
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irc.reply(' '.join(resp))
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else:
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irc.error('Could not find weather information.')
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wunder = commands.wrap(wunder, ['something'])
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conf.registerPlugin('Weather')
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conf.registerChannelValue(conf.supybot.plugins.Weather, 'temperatureUnit',
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|
WeatherUnit('Fahrenheit', """Sets the default temperature unit to use when
|
|
reporting the weather."""))
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|
conf.registerChannelValue(conf.supybot.plugins.Weather, 'command',
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|
WeatherCommand('wunder', """Sets the default command to use when retrieving
|
|
the weather. Command must be one of %s.""" %
|
|
utils.commaAndify(Weather.weatherCommands, And='or')))
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|
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
|
|
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|
# vim:set shiftwidth=4 tabstop=8 expandtab textwidth=78:
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