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@yamakk
Created September 30, 2011 10:04
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Google Weather APIから天候、湿度、風速、風向を取得する
#coding:utf-8
"""
unofficial Google Weather API
http://www.google.com/ig/api?weather=,,,35693692,139700260&hl=ja
レスポンスのエンコーディングは hl=jaの場合Shift-JIS hl=enの場合ASCII
<xml_api_reply version="1">
<weather module_id="0" tab_id="0" mobile_row="0" mobile_zipped="1" row="0" section="0">
<forecast_information>
<city data=""/>
<postal_code data=""/>
<latitude_e6 data="35693692"/>
<longitude_e6 data="139700260"/>
<forecast_date data="2011-09-30"/>
<current_date_time data="2011-09-30 03:00:00 +0000"/>
<unit_system data="SI"/>
</forecast_information>
<current_conditions>
<condition data="曇り"/>
<temp_f data="82"/>
<temp_c data="28"/>
<humidity data="湿度 : 51%"/>
<icon data="/ig/images/weather/jp_cloudy.gif"/>
<wind_condition data="風: 南西 2 m/s"/>
</current_conditions>
<forecast_conditions>
<day_of_week data="金"/>
<low data="20"/>
<high data="29"/>
<icon data="/ig/images/weather/jp_sunnythencloudy.gif"/>
<condition data="晴のち曇"/>
</forecast_conditions>
"""
import urllib
from xml.etree import ElementTree
from dateutil import parser as date_parser
import re
def get_current(lat, lng):
""" 座標から最寄りの近い地点の天候、湿度、風速、風向を取得する"""
base_url = 'http://www.google.com/ig/api?weather=,,,%d,%d&hl=ja'
lat_e6 = e6(lat)
lng_e6 = e6(lng)
url = base_url % (lat_e6, lng_e6)
xml_string = urllib.urlopen(url).read()
xml_string = xml_string.decode("shift_jis").encode("utf-8")
xml = ElementTree.fromstring(xml_string)
current = xml.find('.//current_conditions')
condition = current.find('./condition').attrib['data']
temp = current.find('./temp_c').attrib['data']
if temp:
temp = float(temp)
hum = current.find('./humidity').attrib['data']
humidity = None
if hum:
hum_match = re.search('(\d{1,2})%', hum)
if hum_match:
humidity = float(hum_match.group(1))
wind = current.find('./wind_condition').attrib['data']
return condition, temp, wind, humidity
def e6(value):
"""Google Weatehr APIで使用する小数点以下6桁まで表示し、
小数点を消去するフォーマットを返す
>>> e6(35.69369)
35693690
"""
head, tail = str(value).split('.')
tail = '%s000000' % tail
return int('%s%s'%(head, tail[:6]))
print get_current(35.70,139.58)
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