新浪微博Python3客户端接口OAuth2
<div id="cnblogs_post_body">Keyword: Python3 Oauth2 新浪微博本接口基于廖雪峰的weibo python SDK修改完成，其sdk为新浪官方所推荐，原作者是用python2写的
经过一些修改，这里提供基于python3的 weibo SDK
<div class="cnblogs_code">#!/usr/bin/env python# -*- coding: utf-8 -*-__version__ = '1.04'__author__ = 'Liao Xuefeng (askxuefeng@gmail.com)'__publish__ = 'http://www.cnblogs.com/txw1958/''''Python3 client SDK for sina weibo API using OAuth 2.'''try: import jsonexcept ImportError: import simplejson as jsonimport timeimport urllib.requestimport loggingdef _obj_hook(pairs): ''' convert json object to python object. ''' o = JsonObject() for k, v in pairs.items(): o = v return oclass APIError(Exception): ''' raise APIError if got failed json message. ''' def __init__(self, error_code, error, request): self.error_code = error_code self.error = error self.request = request Exception.__init__(self, error) def __str__(self): return 'APIError: %s: %s, request: %s' % (self.error_code, self.error, self.request)class JsonObject(dict): ''' general json object that can bind any fields but also act as a dict. ''' def __getattr__(self, attr): return self def __setattr__(self, attr, value): self = valuedef _encode_params(**kw): ''' Encode parameters. ''' args = [] for k, v in kw.items(): qv = v.encode('utf-8') if isinstance(v, str) else str(v) args.append('%s=%s' % (k, urllib.parse.quote(qv))) return '&'.join(args)def _encode_multipart(**kw): ''' Build a multipart/form-data body with generated random boundary. ''' boundary = '----------%s' % hex(int(time.time() * 1000)) data = [] for k, v in kw.items(): data.append('--%s' % boundary) if hasattr(v, 'read'): filename = getattr(v, 'name', '') n = filename.rfind('.') ext = filename.lower() if n != (-1) else "" content = v.read() content = content.decode('ISO-8859-1') data.append('Content-Disposition: form-data; name="%s"; filename="hidden"' % k) data.append('Content-Length: %d' % len(content)) data.append('Content-Type: %s\r\n' % _guess_content_type(ext)) data.append(content) else: data.append('Content-Disposition: form-data; name="%s"\r\n' % k) data.append(v if isinstance(v, str) else v.decode('utf-8')) data.append('--%s--\r\n' % boundary) return '\r\n'.join(data), boundary_CONTENT_TYPES = { '.png': 'image/png', '.gif': 'image/gif', '.jpg': 'image/jpeg', '.jpeg': 'image/jpeg', '.jpe': 'image/jpeg' }def _guess_content_type(ext): return _CONTENT_TYPES.get(ext, 'application/octet-stream')_HTTP_GET = 0_HTTP_POST = 1_HTTP_UPLOAD = 2def _http_get(url, authorization=None, **kw): logging.info('GET %s' % url) return _http_call(url, _HTTP_GET, authorization, **kw)def _http_post(url, authorization=None, **kw): logging.info('POST %s' % url) return _http_call(url, _HTTP_POST, authorization, **kw)def _http_upload(url, authorization=None, **kw): logging.info('MULTIPART POST %s' % url) return _http_call(url, _HTTP_UPLOAD, authorization, **kw)def _http_call(url, method, authorization, **kw): ''' send an http request and expect to return a json object if no error. ''' params = None boundary = None if method==_HTTP_UPLOAD: params, boundary = _encode_multipart(**kw) else: params = _encode_params(**kw) http_url = '%s?%s' % (url, params) if method==_HTTP_GET else url http_body = None if method==_HTTP_GET else params.encode(encoding='utf-8') req = urllib.request.Request(http_url, data=http_body) if authorization: req.add_header('Authorization', 'OAuth2 %s' % authorization) if boundary: req.add_header('Content-Type', 'multipart/form-data; boundary=%s' % boundary) resp = urllib.request.urlopen(req) body = resp.read().decode("utf-8") r = json.loads(body, object_hook=_obj_hook) if 'error_code' in r: raise APIError(r.error_code, r['error_code'], r['request']) return rclass HttpObject(object): def __init__(self, client, method): self.client = client self.method = method def __getattr__(self, attr): def wrap(**kw): if self.client.is_expires(): raise APIError('21327', 'expired_token', attr) return _http_call('%s%s.json' % (self.client.api_url, attr.replace('__', '/')), self.method, self.client.access_token, **kw) return wrapclass APIClient(object): ''' API client using synchronized invocation. ''' def __init__(self, app_key, app_secret, redirect_uri=None, response_type='code', domain='api.weibo.com', version='2'): self.client_id = app_key self.client_secret = app_secret self.redirect_uri = redirect_uri self.response_type = response_type self.auth_url = 'https://%s/oauth2/' % domain self.api_url = 'https://%s/%s/' % (domain, version) self.access_token = None self.expires = 0.0 self.get = HttpObject(self, _HTTP_GET) self.post = HttpObject(self, _HTTP_POST) self.upload = HttpObject(self, _HTTP_UPLOAD) def set_access_token(self, access_token, expires_in): self.access_token = str(access_token) self.expires = float(expires_in) def get_authorize_url(self, redirect_uri=None, display='default'): ''' return the authroize url that should be redirect. ''' redirect = redirect_uri if redirect_uri else self.redirect_uri if not redirect: raise APIError('21305', 'Parameter absent: redirect_uri', 'OAuth2 request') return '%s%s?%s' % (self.auth_url, 'authorize', \ _encode_params(client_id = self.client_id, \ response_type = 'code', \ display = display, \ redirect_uri = redirect)) def request_access_token(self, code, redirect_uri=None): ''' return access token as object: {"access_token":"your-access-token","expires_in":12345678}, expires_in is standard unix-epoch-time ''' redirect = redirect_uri if redirect_uri else self.redirect_uri if not redirect: raise APIError('21305', 'Parameter absent: redirect_uri', 'OAuth2 request') r = _http_post('%s%s' % (self.auth_url, 'access_token'), \ client_id = self.client_id, \ client_secret = self.client_secret, \ redirect_uri = redirect, \ code = code, grant_type = 'authorization_code') r.expires_in += int(time.time()) return r def is_expires(self): return not self.access_token or time.time() > self.expires def __getattr__(self, attr): return getattr(self.get, attr)def main(): try: #step 1 定义 app key，app secret，回调地址： APP_KEY = "1475245930" APP_SECRET = "7be6f636faf7b17d048c0cd3c55ada45" CALLBACK_URL = 'https://api.weibo.com/oauth2/default.html' #step 2 引导用户到授权地址 client = APIClient(app_key=APP_KEY, app_secret=APP_SECRET, redirect_uri=CALLBACK_URL) print(client.get_authorize_url()) #step 3 换取Access Token r = client.request_access_token(input("Input code:"))#输入授权地址中获得的CODE client.set_access_token(r.access_token, r.expires_in) #step 4 使用获得的OAuth2.0 Access Token调用API print(client.get.account__get_uid()) print(client.post.statuses__update(status='测试Python3 + OAuth 2.0发微博 ' + str(time.time()))) #print(client.upload.statuses__upload(status='测试Python3 OAuth 2.0带图片发微博 ' + str(time.time()), pic=open('test.png', 'rb'))) except Exception as pyOauth2Error: print(pyOauth2Error)if __name__ == '__main__': main()
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