Google Language Detect Ajax Web Service

detect.py

From -> http://www.cnblogs.com/zhengyun_ustc/archive/2010/10/26/1860897.html

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import urllib
import httplib2
try:
    from base import easyjson
except:
    pass
class Detect():
    google_api_prefix = 'http://ajax.googleapis.com/ajax/services/language/detect'
    def __init__(self, httplib2_inst=None):
        """you can use httplib，set the proxy"""
        self.http = httplib2_inst or httplib2.Http()
    def post_sentence(self, q):
        return self._fetch(
            self.google_api_prefix,
            {'v':"1.0",'q':q}
            )
    def _fetch(self, url, params):
        request = url +"?"+ urllib.urlencode(params)
        resp, content = self.http.request(request, "GET")
        return easyjson.parse_json_func(content)
    def detectZHCN(self, text):
        """if zh-CN，True，or False"""
        data = self.post_sentence(text)['responseData']
        if(data):
            language = data['language']
            if(language=='zh-CN'):
                return True
        return False