def request(self, url, method="GET", body=None, headers=None, redirections=DEFAULT_MAX_REDIRECTS, connection_type=None, blocking=True): """ Make a network request by calling QgsNetworkAccessManager. redirections argument is ignored and is here only for httplib2 compatibility. """ self.msg_log(u'http_call request: {0}'.format(url)) self.blocking_mode = blocking req = QNetworkRequest() # Avoid double quoting form QUrl url = urllib.parse.unquote(url) req.setUrl(QUrl(url)) if headers is not None: # This fixes a wierd error with compressed content not being correctly # inflated. # If you set the header on the QNetworkRequest you are basically telling # QNetworkAccessManager "I know what I'm doing, please don't do any content # encoding processing". # See: https://bugs.webkit.org/show_bug.cgi?id=63696#c1 try: del headers['Accept-Encoding'] except KeyError: pass for k, v in list(headers.items()): self.msg_log("Setting header %s to %s" % (k, v)) req.setRawHeader(k, v) # if self.authid: # self.msg_log("Update request w/ authid: {0}".format(self.authid)) # QgsAuthManager.instance().updateNetworkRequest(req, self.authid) if self.reply is not None and self.reply.isRunning(): self.reply.close() if method.lower() == 'delete': func = getattr(QgsNetworkAccessManager.instance(), 'deleteResource') else: func = getattr(QgsNetworkAccessManager.instance(), method.lower()) # Calling the server ... # Let's log the whole call for debugging purposes: self.msg_log("Sending %s request to %s" % (method.upper(), req.url().toString())) self.on_abort = False headers = {str(h): str(req.rawHeader(h)) for h in req.rawHeaderList()} for k, v in list(headers.items()): self.msg_log("%s: %s" % (k, v)) if method.lower() in ['post', 'put']: if isinstance(body, file): body = body.read() self.reply = func(req, body) else: self.reply = func(req) # if self.authid: # self.msg_log("Update reply w/ authid: {0}".format(self.authid)) # QgsAuthManager.instance().updateNetworkReply(self.reply, self.authid) # necessary to trap local timout manage by QgsNetworkAccessManager # calling QgsNetworkAccessManager::abortRequest QgsNetworkAccessManager.instance().requestTimedOut.connect( self.requestTimedOut) self.reply.sslErrors.connect(self.sslErrors) self.reply.finished.connect(self.replyFinished) self.reply.downloadProgress.connect(self.downloadProgress) # block if blocking mode otherwise return immediatly # it's up to the caller to manage listeners in case of no blocking mode if not self.blocking_mode: return (None, None) # Call and block self.el = QEventLoop() self.reply.finished.connect(self.el.quit) # Catch all exceptions (and clean up requests) try: self.el.exec_(QEventLoop.ExcludeUserInputEvents) except Exception as e: raise e if self.reply: self.reply.finished.disconnect(self.el.quit) # emit exception in case of error if not self.http_call_result.ok: if self.http_call_result.exception and not self.exception_class: raise self.http_call_result.exception else: raise self.exception_class(self.http_call_result.reason) return (self.http_call_result, self.http_call_result.content)