api.py 文件源码

def query_private(self, method, req={}, conn = None):
        """API queries that require a valid key/secret pair.

        Arguments:
        method -- API method name (string, no default)
        req    -- additional API request parameters (default: {})
        conn   -- connection object to reuse (default: None)

        """
        urlpath = '/' + self.apiversion + '/private/' + method

        req['nonce'] = int(1000*time.time())
        postdata = urllib.urlencode(req)
        message = urlpath + hashlib.sha256(str(req['nonce']) +
                                           postdata).digest()
        signature = hmac.new(base64.b64decode(self.secret),
                             message, hashlib.sha512)
        headers = {
            'API-Key': self.key,
            'API-Sign': base64.b64encode(signature.digest())
        }

        return self._query(urlpath, req, conn, headers)