.. _fbf.plugs.extra.weather:

weather
~~~~~~~

.. automodule:: fbf.plugs.extra.weather
        :show-inheritance:
        :members:
        :undoc-members:

CODE
----

    ::

        # fbf/plugs/common/weather.py
        #
        #
        
        """ show weather based on Google's weather API """
        
        __copyright__ = 'this file is in the public domain'
        __author__ = 'Landon Fowles'
        
.. _fbf.plugs.extra.weather_fbf_imports:

fbf imports
--------------

    ::

        
        from fbf.utils.url import geturl, geturl2
        from fbf.utils.generic import getwho
        from fbf.lib.commands import cmnds
        from fbf.lib.persist import Persist
        from fbf.lib.examples import examples
        from fbf.lib.persiststate import UserState
        
.. _fbf.plugs.extra.weather_basic_imports:

basic imports
----------------

    ::

        
        from xml.dom import minidom
        import urllib
        from urllib.parse import urlencode
        import logging
        import time
        
.. _fbf.plugs.extra.weather_weather_command:

weather command
------------------

    ::

        
        def handle_weather(bot, ievent):
            """ show weather using Google's weather API """
            userhost = ""
            loc = ""
            try:
                nick = ievent.rest
                if nick:
                    userhost = getwho(bot, nick)
                    if not userhost: pass
                    else:
                        try:
                            name = bot.users.getname(userhost)
                            if not name: ievent.reply("%s is not known with the bot" % nick) ; return
                            us = UserState(name)
                            loc = us['location']
                        except KeyError: ievent.reply("%s doesn't have his location set in userstate" % nick) ; return
            except KeyError: pass
            if not loc:
                if ievent.rest: loc = ievent.rest
                else: ievent.missing('<nick>|<location>') ; return
            query = urlencode({'weather':loc})
            try: weathertxt = geturl2('http://www.google.ca/ig/api?%s' % query)
            except urllib.error.HTTPError as ex: ievent.reply(str(ex)) ; return
            if 'problem_cause' in bytes(weathertxt, "utf-8"):
                logging.error(weathertxt)
                ievent.reply('an error occured looking up data for %s' % loc)
                return
            logging.debug("weather - got reply: %s" % weathertxt)
            resultstr = ""
            if weathertxt:
                gweather = minidom.parseString(weathertxt)
                gweather = gweather.getElementsByTagName('weather')[0]
                if ievent.usercmnd == "weather":
                    info = gweather.getElementsByTagName('forecast_information')[0]
                    if info:
                        city = info.getElementsByTagName('city')[0].attributes["data"].value
                        zip = info.getElementsByTagName('postal_code')[0].attributes["data"].value
                        time = info.getElementsByTagName('current_date_time')[0].attributes["data"].value
                        weather = gweather.getElementsByTagName('current_conditions')[0]
                        condition = weather.getElementsByTagName('condition')[0].attributes["data"].value
                        temp_f = weather.getElementsByTagName('temp_f')[0].attributes["data"].value
                        temp_c = weather.getElementsByTagName('temp_c')[0].attributes["data"].value
                        humidity = weather.getElementsByTagName('humidity')[0].attributes["data"].value
                        try: wind = weather.getElementsByTagName('wind_condition')[0].attributes["data"].value
                        except IndexError: wind = ""
                        try: wind_km = round(int(wind[-6:-4]) * 1.609344)
                        except ValueError: wind_km = ""
                        if (not condition == ""): condition = " Oh, and it's " + condition + "."
                        resultstr = "As of %s, %s (%s) has a temperature of %sC/%sF with %s. %s (%s km/h).%s" % (time, city, zip, temp_c, temp_f, humidity, wind, wind_km, condition)
                elif ievent.usercmnd == "forecast":
                    forecasts = gweather.getElementsByTagName('forecast_conditions')
                    for forecast in forecasts:
                        condition = forecast.getElementsByTagName('condition')[0].attributes["data"].value
                        low_f = forecast.getElementsByTagName('low')[0].attributes["data"].value
                        high_f = forecast.getElementsByTagName('high')[0].attributes["data"].value
                        day = forecast.getElementsByTagName('day_of_week')[0].attributes["data"].value
                        low_c = round((int(low_f) - 32) * 5.0 / 9.0)
                        high_c = round((int(high_f) - 32) * 5.0 / 9.0)
                        resultstr += "[%s: F(%sl/%sh) C(%sl/%sh) %s]" % (day, low_f, high_f, low_c, high_c, condition)
            if not resultstr: ievent.reply('%s not found!' % loc) ; return
            else: ievent.reply(resultstr)
        
        cmnds.add('weather', handle_weather, ['OPER', 'USER', 'GUEST'])
        examples.add('weather', 'get weather for <LOCATION> or <nick>', '1) weather London, England 2) weather dunker')