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# -*- coding: utf-8 -*-
# Copyright(C) 2010-2011 Romain Bignon
#
# This file is part of weboob.
#
# weboob is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# weboob is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with weboob. If not, see <http://www.gnu.org/licenses/>.
from __future__ import with_statement
import urllib2
from xml.dom import minidom
# TODO store datetime objects instead of strings
# from datetime import datetime
from weboob.capabilities.weather import ICapWeather, CityNotFound, Current, Forecast, City
from weboob.tools.backend import BaseBackend
from weboob.tools.browser import BaseBrowser
__all__ = ['YahooBackend']
class YahooBackend(BaseBackend, ICapWeather):
NAME = 'yahoo'
MAINTAINER = 'Romain Bignon'
EMAIL = 'romain@weboob.org'
VERSION = '0.c'
DESCRIPTION = 'Yahoo!'
LICENSE = 'AGPLv3+'
BROWSER = BaseBrowser
WEATHER_URL = 'http://weather.yahooapis.com/forecastrss?w=%s&u=%s'
SEARCH_URL = 'http://fr.meteo.yahoo.com/search/weather?p=%s'
def create_default_browser(self):
return self.create_browser()
def iter_city_search(self, pattern):
# minidom doesn't seem to work with that page
#handler = urllib2.urlopen((self.SEARCH_URL % pattern).replace(' ','+'))
#dom = minidom.parse(handler)
#handler.close()
#results = dom.getElementById('search-results')
#for no in results.childNodes:
# print no.nodeValue
# so i use a basic but efficient parsing
with self.browser:
content = self.browser.readurl((self.SEARCH_URL % pattern.encode('utf-8')).replace(' ','+'))
page=''
for line in content.split('\n'):
if "<title>" in line and "Prévisions et Temps" in line:
page="direct"
elif "<title>" in line and "Résultats de la recherche" in line:
page="resultats"
if page == "resultats":
if '/redirwoei/' in line:
cities = line.split('/redirwoei/')
for c in cities:
if "strong" in c:
cid = c.split("'")[0]
cname = c.split("'")[1].replace("><strong>","").replace("</strong>","").split("</a>")[0]
yield City(cid, cname.decode('utf-8'))
elif page == "direct":
if 'div id="yw-breadcrumb"' in line:
l = line.split('</a>')
region = l[2].split('>')[-1]
country = l[1].split('>')[-1]
city = l[3].split('</li>')[1].replace('<li>','')
cid = line.split("/?unit")[0].split('-')[-1]
yield City(cid, (city+", "+region+", "+country).decode('utf-8'))
def _get_weather_dom(self, city_id):
handler = urllib2.urlopen(self.WEATHER_URL % (city_id, 'c'))
dom = minidom.parse(handler)
handler.close()
if not dom.getElementsByTagName('yweather:condition'):
raise CityNotFound('City not found: %s' % city_id)
return dom
def get_current(self, city_id):
dom = self._get_weather_dom(city_id)
current = dom.getElementsByTagName('yweather:condition')[0]
return Current(current.getAttribute('date'), int(current.getAttribute('temp')), current.getAttribute('text'), 'C')
def iter_forecast(self, city_id):
dom = self._get_weather_dom(city_id)
for forecast in dom.getElementsByTagName('yweather:forecast'):
yield Forecast(forecast.getAttribute('date'),
int(forecast.getAttribute('low')),
int(forecast.getAttribute('high')),
forecast.getAttribute('text'),
'C',
)
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