mirror of
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472 lines
20 KiB
Python
472 lines
20 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 supybot.plugins as plugins
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import re
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import sets
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import urllib
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import supybot.conf as conf
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import supybot.utils as utils
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import supybot.webutils as webutils
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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.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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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 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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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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else:
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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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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):
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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._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('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._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 at %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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_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):
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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._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 at %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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_wunderUrl = 'http://www.weatherunderground.com/cgi-bin/findweather/'\
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'getForecast?query='
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_wunderLoc = re.compile(r'<title>[^:]+: ([^<]+)</title>', re.I | re.S)
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_wunderFTemp = re.compile(
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r'graphics/conds.*?<nobr><b>(-?\d+)</b> (°)(F)</nobr>',
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re.I | re.S)
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_wunderCond = re.compile(r'</b></font><br>\s+<font size=-1><b>([^<]+)</b>',
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re.I | re.S)
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_wunderHumid = re.compile(r'Humidity:</td><td[^>]+><b>(\d+%)</b>',
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re.I | re.S)
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_wunderDew = re.compile(r'Dew Point:</td><td[^>]+><b>\s+<nobr><b>'
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r'(-?\d+)</b> (°)(F)</nobr>',
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re.I | re.S)
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_wunderHeat = re.compile(
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r'HeatIndex:</td><td[^>]+><b>\s+<nobr><b>(\d+)</b> ([^F]+)(F)<',
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re.I | re.S)
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_wunderWind = re.compile(
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r'Wind:</td><td[^>]+>\s+<b>\s+<nobr><b>(\d+)</b> (mph)'
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r'</nobr>\s+/\s+<nobr><b>(\d+)</b> (km/h)</nobr>\s+</b>'
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r'\s+from the\s+<b>(\w{3})</b>', re.I | re.S)
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_wunderPressure = re.compile(
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r'Pressure:</td><td[^<]+><b>\s+<b>(\d+\.\d+)</b> (in)\s+/\s+'
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r'<b>(\d+)</b> (hPa)', re.I | re.S)
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_wunderVisible = re.compile(
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r'Visibility:</td><td[^>]+><b>\s+<nobr><b>([\w.]+)</b> (miles)'
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r'</nobr>\s+/\s+<nobr><b>([\w.]+)</b> (kilometers)</nobr>',
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re.I | re.S)
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_wunderUv = re.compile(r'UV:</td><td[^>]+><b>(\d\d?)</b>( out of \d\d?)', re.I | re.S)
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_wunderTime = re.compile(r'Updated:\s+<b>([\w\s:,]+)</b>', re.I | re.S)
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def wunder(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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loc = ' '.join(args)
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url = '%s%s' % (self._wunderUrl, 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 'Search not found' in text:
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irc.error('No such location could be found.')
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return
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if 'Search results for' in text:
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irc.error('Multiple locations found. Please be more specific.')
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return
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location = self._wunderLoc.search(text)
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temp = self._wunderFTemp.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.replace(' Forecast', '')
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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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time = self._wunderTime.search(text)
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if time is not None:
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time = ' (%s)' % time.group(1)
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else:
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time = ''
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resp = ['The current temperature at %s is %s%s.' %\
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(location, temp, time)]
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heat = self._wunderHeat.search(text)
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if heat is not None:
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(heat, deg, unit) = map(str.strip, heat.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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resp.append('Heat Index: %s.' % heat)
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conds = self._wunderCond.search(text)
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if conds is not None:
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resp.append('Conditions: %s.' % conds.group(1))
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humidity = self._wunderHumid.search(text)
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if humidity is not None:
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resp.append('Humidity: %s.' % humidity.group(1))
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|
dewpt = self._wunderDew.search(text)
|
|
if dewpt is not None:
|
|
(dew, deg, unit) = dewpt.groups()
|
|
if convert:
|
|
dew = self._getTemp(int(dew), deg, unit, msg.args[0])
|
|
else:
|
|
dew = deg.join((dew, unit))
|
|
resp.append('Dew Point: %s.' % dew)
|
|
wind = self._wunderWind.search(text)
|
|
if wind is not None:
|
|
resp.append('Wind: %s at %s %s (%s %s).' % (wind.group(5),
|
|
wind.group(1),
|
|
wind.group(2),
|
|
wind.group(3),
|
|
wind.group(4)))
|
|
press = self._wunderPressure.search(text)
|
|
if press is not None:
|
|
resp.append('Pressure: %s %s (%s %s).' % press.groups())
|
|
vis = self._wunderVisible.search(text)
|
|
if vis is not None:
|
|
resp.append('Visibility: %s %s (%s %s).' % vis.groups())
|
|
uv = self._wunderUv.search(text)
|
|
if uv is not None:
|
|
resp.append('UV: %s%s' % uv.groups())
|
|
resp = map(utils.htmlToText, resp)
|
|
irc.reply(' '.join(resp))
|
|
else:
|
|
irc.error('Could not find weather information.')
|
|
|
|
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('cnn', """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:
|