def _prepare_request(url, headers=None, auth_id=None):
request = QNetworkRequest()
# Avoid double quoting form QUrl
url = urllib.parse.unquote(url)
request.setUrl(QUrl(url))
if headers is not None:
# This fixes a weird 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()):
request.setRawHeader(k.encode(), v.encode())
if auth_id:
QgsAuthManager.instance().updateNetworkRequest(request, auth_id)
headers_out = ['{0} = {1}'.format(k, v) for k, v in headers.items()]
log.debug(f'QNetworkRequest:\n{headers_out}')
return request
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))
if k and v:
req.setRawHeader(k.encode(), v.encode())
if self.authid:
self.msg_log("Update request w/ authid: {0}".format(self.authid))
self.auth_manager().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, io.IOBase):
body = body.read()
if isinstance(body, str):
body = body.encode()
if isinstance(body, dict):
body = str(json.dumps(body)).encode(encoding='utf-8')
self.reply = func(req, body)
else:
self.reply = func(req)
if self.authid:
self.msg_log("Update reply w/ authid: {0}".format(self.authid))
self.auth_manager().updateNetworkReply(self.reply, self.authid)
QgsNetworkAccessManager.instance().setTimeout(int(self.timeout) * 1000)
# necessary to trap local timeout 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)
def request(self,
url,
method="GET",
body=None,
headers=None,
redirections=DEFAULT_MAX_REDIRECTS,
connection_type=None):
"""
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.http_call_result = Response({
'status': 0,
'status_code': 0,
'status_message': '',
'text': '',
'ok': False,
'headers': {},
'reason': '',
'exception': None,
})
req = QNetworkRequest()
# Avoid double quoting form QUrl
if PYTHON_VERSION >= 3:
url = urllib.parse.unquote(url)
else:
url = urllib2.unquote(url)
req.setUrl(QUrl(url))
if self.cookie is not None:
if headers is not None:
headers['Cookie'] = self.cookie
else:
headers = {'Cookie': self.cookie}
if self.basicauth is not None:
if headers is not None:
headers['Authorization'] = self.basicauth
else:
headers = {'Authorization': self.basicauth}
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 headers.items():
if PYTHON_VERSION >= 3:
if isinstance(k, str):
k = k.encode('utf-8')
if isinstance(v, str):
v = v.encode('utf-8')
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()))
headers = {str(h): str(req.rawHeader(h)) for h in req.rawHeaderList()}
for k, v in headers.items():
self.msg_log("%s: %s" % (k, v))
if method.lower() in ['post', 'put']:
if PYTHON_VERSION >= 3:
if isinstance(body, str):
body = body.encode('utf-8')
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)
self.reply.sslErrors.connect(self.sslErrors)
self.reply.finished.connect(self.replyFinished)
# Call and block
self.el = QEventLoop()
self.reply.finished.connect(self.el.quit)
self.reply.downloadProgress.connect(self.downloadProgress)
# Catch all exceptions (and clean up requests)
try:
self.el.exec_()
# Let's log the whole response for debugging purposes:
self.msg_log("Got response %s %s from %s" % \
(self.http_call_result.status_code,
self.http_call_result.status_message,
self.reply.url().toString()))
headers = {
str(h): str(self.reply.rawHeader(h))
for h in self.reply.rawHeaderList()
}
for k, v in headers.items():
self.msg_log("%s: %s" % (k, v))
if len(self.http_call_result.text) < 1024:
self.msg_log("Payload :\n%s" % self.http_call_result.text)
else:
self.msg_log("Payload is > 1 KB ...")
except Exception as e:
raise e
finally:
if self.reply is not None:
if self.reply.isRunning():
self.reply.close()
self.msg_log("Deleting reply ...")
self.reply.deleteLater()
self.reply = None
else:
self.msg_log("Reply was already deleted ...")
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.text)
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)
