73 lines
3.2 KiB
Python
73 lines
3.2 KiB
Python
# coding: utf-8
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"""
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Weather - query various weather services for info
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Copyright (C) 2010 Brian S. Stephan
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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"""
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import re
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from extlib import irclib
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from extlib import pywapi
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from urllib import quote
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from urllib2 import URLError
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from Module import Module
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class Weather(Module):
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"""Provide weather lookup services to the bot."""
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def do(self, connection, event, nick, userhost, what, admin_unlocked):
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"""Query Google Weather for a location's weather."""
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match = re.search('^!weather\s+(.*)$', what)
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if match:
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query = match.group(1)
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try:
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google_weather = pywapi.get_weather_from_google(quote(query))
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city = google_weather['forecast_information']['city'].encode('utf-8')
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condition = google_weather['current_conditions']['condition'].encode('utf-8')
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temp_f = google_weather['current_conditions']['temp_f'].encode('utf-8')
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temp_c = google_weather['current_conditions']['temp_c'].encode('utf-8')
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wind = google_weather['current_conditions']['wind_condition'].encode('utf-8')
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humidity = google_weather['current_conditions']['humidity'].encode('utf-8')
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wind_speed_regex = re.compile("Wind: [NSEW]+ at ([0-9]+) mph")
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matches = wind_speed_regex.search(wind)
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if matches is not None and float(temp_f) < 50.0:
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wind_speed = matches.group(1)
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windchill = 35.74 + (0.6215 * float(temp_f)) - (35.75 * float(wind_speed)**0.16) + (0.4275 * float(temp_f) * float(wind_speed)**0.16)
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else:
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windchill = ""
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weatherstr = "Current weather for " + city + ": " + condition + ". " + temp_f + "°F (" + temp_c + "°C), " + wind + ", " + humidity
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if windchill is not "":
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weatherstr += ", Wind chill: " + str(round(windchill, 2)) + "°F"
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weatherstr += "."
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for city in google_weather['forecasts']:
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weatherstr += " " + city['day_of_week'].encode('utf-8') + ": " + city['condition'].encode('utf-8') + ". High " + city['high'].encode('utf-8') + "°F, Low " + city['low'].encode('utf-8') + "°F."
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return self.reply(connection, event, weatherstr)
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except URLError as e:
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return self.reply(connection, event, "error connecting to google weather:" + str(e))
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except IndexError as e:
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return self.reply(connection, event, "error in pywapi: " + str(e))
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# vi:tabstop=4:expandtab:autoindent
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# kate: indent-mode python;indent-width 4;replace-tabs on;
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