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  • Committer: Paul Hummer
  • Date: 2008-08-06 05:23:49 UTC
  • mfrom: (258.1.19 new-i18n-branch)
  • Revision ID: paul@ubuntu.com-20080806052349-f4spdhg5ixbis64a
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entertainerlib/utils/weather.py
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  4 days.
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"""
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__licence__ = "GPLv2"
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__copyright__ = "2008, Jamie Bennett"
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__author__ = "Jamie Bennett <jamie@linuxuk.org>"
 
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__copyright__ = ("2008, Jamie Bennett", "2008, Samuel Buffet")
 
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__author__ = ("Jamie Bennett <jamie@linuxuk.org>", "Samuel Buffet")
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import locale
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import urllib
 
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import urllib2
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from xml.dom import minidom
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from entertainerlib.utils.theme import Theme
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#The lookup url for the rss feed
 
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DEFAULT_LOCALE = "en_US"
 
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#The lookup url for the google weather API
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WEATHER_LOOKUP_URL = "http://www.google.co.uk/ig/api?weather="
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WEATHER_IMAGES = {'Mostly Sunny': 'weather-sun-mostly',
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                  'Chance of Rain': 'weather-rain-chance',
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                  'Partly Sunny': 'weather-sun-clouds',
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                  'Rain': 'weather-rain',
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                  'Chance of Storm': 'weather-lightning',
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                  'Fog': 'weather-fog',
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                  'Clear': 'weather-sun',
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                  'Icy': 'weather-ice',
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                  'Cloudy': 'weather-clouds',
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                  'Snow': 'weather-snow'
 
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#use the icon instead of condition to make it work with any languages
 
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WEATHER_IMAGES = {'/images/weather/mostly_sunny.gif': 'weather-sun-mostly',
 
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                  '/images/weather/chance_of_rain.gif': 'weather-rain-chance',
 
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                  #'/images/weather/partly_sunny.gif': 'weather-sun-clouds', 
 
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                  # no dedicated gif provided by google for that weather 
 
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                  # condition.
 
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                  # it's a *mostly_sunny* gif wich is given instead :(
 
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                  '/images/weather/rain.gif': 'weather-rain',
 
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                  '/images/weather/storm.gif': 'weather-lightning',
 
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                  '/images/weather/fog.gif': 'weather-fog',
 
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                  '/images/weather/sunny.gif': 'weather-sun',
 
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                  '/images/weather/icy.gif': 'weather-ice',
 
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                  '/images/weather/cloudy.gif': 'weather-clouds',
 
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                  '/images/weather/snow.gif': 'weather-snow'
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                  }
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class Weather:
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        self.__metric = ''
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        self.theme = Theme(test_dir)
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        self.set_location(location)
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        self.set_metric(metric)
 
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        (self.languagename, self.locale) = self.__get_locale ()
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        self.refresh()
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    def __get_locale (self):
 
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        '''Get locale information from user\'s machine'''
 
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        # adapted from *albumart_downloader.py*
 
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        # list of supported languages by google weather API to be completed
 
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        #
 
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        # still remains a display issue with arabic, greek, hebrew, japanese...
 
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        # wich is probably a Clutter issue. So let's wait Clutter 0.8 to see 
 
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        # if it makes a difference
 
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        supported_locales = {
 
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            "en_US" : ("ENGLISH","en-us"),
 
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            "ar" : ("ARABIC","ar"),
 
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            "bg" : ("BULGARIAN","bg"),
 
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            "zh" : ("CHINESE","zh"),
 
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            "cs" : ("CZECH","cs"),
 
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            "da" : ("DANISH","da"),
 
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            "nl" : ("DUTCH","nl"),
 
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            "et" : ("ESTONIAN","et"),
 
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            "fi" : ("FINNISH","fi"),
 
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            "fr" : ("FRENCH","fr"),
 
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            "de" : ("GERMAN","de"),
 
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            "el" : ("GREEK","el"),
 
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            "he" : ("HEBREW","he"),
 
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            "hi" : ("HINDI","hi"),
 
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            "hu" : ("HUNGARIAN","hu"),
 
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            "it" : ("ITALIAN","it"),
 
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            "ja" : ("JAPANESE","ja"),
 
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            "ko" : ("KOREAN","ko"),
 
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            "pl" : ("POLISH","pl"),
 
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            "pt" : ("PORTUGUESE","pt"),
 
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            "ro" : ("ROMANIAN","ro"),
 
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            "ru" : ("RUSSIAN","ru"),
 
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            "hr" : ("CROATIAN","hr"),
 
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            "sk" : ("SLOVAK","sk"),
 
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            "sl" : ("SLOVENIAN","sl"),
 
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            "es" : ("SPANISH","es"),
 
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            "sv" : ("SWEDISH","sv"),
 
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            "tr" : ("TURKISH","tr")
 
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        }
 
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        lc_id = DEFAULT_LOCALE
 
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        default = locale.getdefaultlocale ()[0]
 
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        if default:
 
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            if supported_locales.has_key (default):
 
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                lc_id = default
 
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            else:
 
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                lang = default.split("_")[0]
 
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                if supported_locales.has_key (lang):
 
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                    lc_id = lang
 
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        return supported_locales[lc_id]
 
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    def find_forecast(self, search):
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        """
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        Returns the search results page for the search
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        """
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        url = WEATHER_LOOKUP_URL + search
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        url = url.replace(" ", "%20")
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        data = urllib.urlopen(url).read()
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        try:
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            dom = minidom.parseString(data.encode( "utf-8" ))
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        except UnicodeDecodeError:
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            data = data.decode("Latin-1")
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            dom = minidom.parseString(data.encode( "utf-8" ))
 
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        txheaders = {
 
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            'Accept-Language': self.locale
 
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        }
 
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        req = urllib2.Request(url, None, txheaders)
 
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        rep = urllib2.urlopen(req)
 
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        data = rep.read()
 
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        # if this encoding is not specified for the xml file, parsing will
 
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        # fail for some special characters
 
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        data = data.replace('<?xml version="1.0"?>', 
 
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            '<?xml version="1.0" encoding="iso-8859-1"?>')
 
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        dom = minidom.parseString(data)
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        in_forecast = 0
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        day = ''
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        low = ''
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        high = ''
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        condition = ''
 
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        imagename = ''
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        image = ''
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        for node in dom.getElementsByTagNameNS('*', '*'):
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            # a problem occured so bail out
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            if (node.nodeName == 'problem_cause'):
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                print 'Location not found or network problem'
 
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                print _('Location not found or network problem')
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                break
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            if (node.nodeName == 'forecast_conditions'):
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                    converted_high = self.weather_units (int(high))
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                if node.nodeName == 'condition':
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                    condition = node.getAttribute('data')
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                    image = self.set_image (condition)
 
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                if node.nodeName == 'icon':
 
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                    imagename = node.getAttribute('data')
 
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                    image = self.set_image (imagename)
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            # condition is the last element of the forecast we are
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            # interested in so write out the forecast if this is set.
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                    low = ''
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                    high = ''
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                    condition = ''
 
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                    imagename = ''
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                    image = ''
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        return self.__forecasts