Source code for libqtile.widget.yahoo_weather

# -*- coding:utf-8 -*-
# Copyright (c) 2011-2012 dmpayton
# Copyright (c) 2011 Kenji_Takahashi
# Copyright (c) 2011 Mounier Florian
# Copyright (c) 2012, 2014-2015 Tycho Andersen
# Copyright (c) 2013 David R. Andersen
# Copyright (c) 2013 Tao Sauvage
# Copyright (c) 2014 Sean Vig
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
# SOFTWARE.

from . import base
from .generic_poll_text import GenPollUrl
from xml.dom import minidom


from six.moves.urllib.parse import urlencode

QUERY_URL = 'http://query.yahooapis.com/v1/public/yql?'
WEATHER_URL = 'http://weather.yahooapis.com/forecastrss?'
WEATHER_NS = 'http://xml.weather.yahoo.com/ns/rss/1.0'


[docs]class YahooWeather(GenPollUrl): """A weather widget, data provided by the Yahoo! Weather API. Format options: - astronomy_sunrise - astronomy_sunset - atmosphere_humidity - atmosphere_visibility - atmosphere_pressure - atmosphere_rising - condition_text - condition_code - condition_temp - condition_date - location_city - location_region - location_country - units_temperature - units_distance - units_pressure - units_speed - wind_chill """ orientations = base.ORIENTATION_HORIZONTAL defaults = [ # One of (location, woeid) must be set. ( 'location', None, 'Location to fetch weather for. Ignored if woeid is set.' ), ( 'woeid', None, 'Where On Earth ID. Auto-calculated if location is set.' ), ( 'format', '{location_city}: {condition_temp} °{units_temperature}', 'Display format' ), ('metric', True, 'True to use metric/C, False to use imperial/F'), ('up', '^', 'symbol for rising atmospheric pressure'), ('down', 'v', 'symbol for falling atmospheric pressure'), ('steady', 's', 'symbol for steady atmospheric pressure'), ] json = False def __init__(self, **config): GenPollUrl.__init__(self, **config) self.add_defaults(YahooWeather.defaults) self._url = None def fetch_woeid(self, location): url = QUERY_URL + urlencode({ 'q': 'select woeid from geo.places where text="%s"' % location, 'format': 'json' }) data = self.fetch(url) if data['query']['count'] > 1: return data['query']['results']['place'][0]['woeid'] return data['query']['results']['place']['woeid'] @property def url(self): if self._url: return self._url if not self.woeid: if self.location: self.woeid = self.fetch_woeid(self.location) if not self.woeid: return None format = 'c' if self.metric else 'f' self._url = WEATHER_URL + urlencode({'w': self.woeid, 'u': format}) return self._url def parse(self, body): dom = minidom.parseString(body) structure = ( ('location', ('city', 'region', 'country')), ('units', ('temperature', 'distance', 'pressure', 'speed')), ('wind', ('chill', 'direction', 'speed')), ('atmosphere', ('humidity', 'visibility', 'pressure', 'rising')), ('astronomy', ('sunrise', 'sunset')), ('condition', ('text', 'code', 'temp', 'date')) ) data = {} for tag, attrs in structure: element = dom.getElementsByTagNameNS(WEATHER_NS, tag)[0] for attr in attrs: data['%s_%s' % (tag, attr)] = element.getAttribute(attr) if data['atmosphere_rising'] == '0': data['atmosphere_rising'] = self.steady elif data['atmosphere_rising'] == '1': data['atmosphere_rising'] = self.up elif data['atmosphere_rising'] == '2': data['atmosphere_rising'] = self.down return self.format.format(**data)