python3调用百度翻译api的命令行翻译工具，python3api,#! /usr/bin/

python3调用百度翻译api的命令行翻译工具，python3api,#! /usr/bin/

#! /usr/bin/env python3#coding=utf-8import sysimport jsonimport urllib.requestimport urllib.parseimport http.clientfrom io import StringIOTRANS_URL='http://fanyi.baidu.com/v2transapi'ORIGIN_HOST='fanyi.baidu.com'class Result:    def __init__(self, src, dest, meanings=None):        self.src=src        self.dest=dest        self.meanings=meanings    def parse_from_json(json_data):        trans_data=json_data['trans_result']['data'][0]        try:            dict_data=json_data['dict_result']['simple_means']['symbols'][0]['parts']            means=list()            for item in dict_data:                tmp=item['means']                if isinstance(tmp[0],dict):                    for t_item in tmp:                        means.append(t_item['word_mean'])                else:                    means.append(tmp)        except KeyError:            means=None        return Result(trans_data['src'],trans_data['dst'],means)    def show(self,file=sys.stdout):        str_template='<<<translate\n%s--->%s\n<<<meaning\n%s'        print(str_template % (self.src, self.dest, self.meanings))def handle_result(content):    json_data=json.loads(content)    Result.parse_from_json(json_data).show()def compose_request(word):    r"""    compose urllib.request.Request object accordingly    """    body=StringIO()    body.write('from=en&amp;to=zh' if is_eng(word) else 'from=zh&amp;to=en')    body.write('&amp;')    body.write(urllib.parse.urlencode({'query': word }, encoding='utf-8'))    body.write('&amp;transtype=trans&amp;simple_means_flag=3')    body=body.getvalue()    headers={'Content-Type':'application/x-www-form-urlencoded; charset=UTF-8',        'X-Requested-With':'XMLHttpRequest'        }    return urllib.request.Request(TRANS_URL, body.encode(encoding='utf-8'), headers=headers, origin_req_host=ORIGIN_HOST, method='POST')def is_eng(word):    r"""    determine whether the unicode char is english or not    >>> is_eng('hello')    True    >>> is_eng('你好')    False    >>> is_eng('\'')    True    >>> is_eng('‘')    False    """    for uchar in word:        if len(uchar.encode('utf-8'))==1:            continue        else:            return False    return Trueif __name__ == '__main__':    if len(sys.argv)<2:        print('Usage: %s word_to_translate' % sys.argv[0])        sys.exit(0)    word=sys.argv[1]    resp=urllib.request.urlopen(compose_request(word))    if(resp.status==200):        handle_result(resp.read().decode('utf-8'))    else:        print('Rquest Error: \n HTTP Status: %d \n Reason: %s \n', resp.status, resp.reason)