mirror of
https://github.com/Mikaela/Limnoria.git
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352 lines
14 KiB
Python
352 lines
14 KiB
Python
#!/usr/bin/env python
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###
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# Copyright (c) 2002, 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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__revision__ = "$Id"
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import plugins
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import re
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import sets
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import urllib
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import conf
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import utils
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import webutils
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import ircutils
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import privmsgs
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import registry
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import 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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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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weatherCommands = ['ham', 'cnn']
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threaded = True
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def callCommand(self, method, irc, msg, *L):
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try:
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callbacks.Privmsg.callCommand(self, method, irc, msg, *L)
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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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realCommandName = self.registryValue('command', channel)
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realCommand = getattr(self, realCommandName)
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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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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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_cityregex = 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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_condregex = 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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_tempregex = 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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_temp = re.compile(r'(-?\d+)(.*?)(F|C)')
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_chillregex = 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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_heatregex = 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):
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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 len(args) > 1:
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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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state = args.pop()
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state = state.lower()
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city = '+'.join(args)
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city = city.rstrip(',')
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city = city.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('No such location could be found.')
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return
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#We received a single argument. Zipcode or station id.
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else:
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zip = privmsgs.getArgs(args)
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zip = zip.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('No such location could be found.')
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return
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headData = self._cityregex.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('No such location could be found.')
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return
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city = city.strip()
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state = state.strip()
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temp = self._tempregex.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._condregex.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._chillregex.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._heatregex.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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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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_cnnUrl = 'http://weather.cnn.com/weather/search?wsearch='
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_fTemp = re.compile(r'(-?\d+)(°)(F)</span>', re.I | re.S)
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_conds = re.compile(r'align="center"><b>([^<]+)</b></div></td>', re.I|re.S)
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_humidity = re.compile(r'Rel. Humidity: <b>(\d+%)</b>', re.I | re.S)
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_wind = re.compile(r'Wind: <b>([^<]+)</b>', re.I | re.S)
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_location = 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):
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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 len(args) > 1:
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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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state = args.pop().lower()
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city = ' '.join(args)
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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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zip = privmsgs.getArgs(args)
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loc = zip.replace(',', '').lower()
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url = '%s%s' % (self._cnnUrl, urllib.quote(loc))
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try:
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text = webutils.getUrl(url)
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except webutils.WebError, e:
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irc.error(str(e))
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return
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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('No such location could be found.')
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return
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location = self._location.search(text)
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temp = self._fTemp.search(text)
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conds = self._conds.search(text)
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humidity = self._humidity.search(text)
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wind = self._wind.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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resp = [resp]
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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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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
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reporting the weather."""))
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conf.registerChannelValue(conf.supybot.plugins.Weather, 'command',
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WeatherCommand('cnn', """Sets the default command to use when retrieving
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the weather. Command must be one of %s.""" %
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utils.commaAndify(Weather.weatherCommands, And='or')))
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conf.registerChannelValue(conf.supybot.plugins.Weather, 'convert',
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registry.Boolean(True, """Determines whether the weather commands will
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automatically convert weather units to the unit specified in
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supybot.plugins.Weather.temperatureUnit."""))
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Class = Weather
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# vim:set shiftwidth=4 tabstop=8 expandtab textwidth=78:
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