def on_reply_ready(reply, future):
# type: (QNetworkReply, Future) -> None
nonlocal n_redir
# schedule deferred delete to ensure the reply is closed
# otherwise we will leak file/socket descriptors
reply.deleteLater()
future._reply = None
if reply.error() == QNetworkReply.OperationCanceledError:
# The network request was cancelled
reply.close()
future.cancel()
return
if _log.level <= logging.DEBUG:
s = io.StringIO()
print("\n", reply.url(), file=s)
if reply.attribute(QNetworkRequest.SourceIsFromCacheAttribute):
print(" (served from cache)", file=s)
for name, val in reply.rawHeaderPairs():
print(bytes(name).decode("latin-1"), ":",
bytes(val).decode("latin-1"), file=s)
_log.debug(s.getvalue())
if reply.error() != QNetworkReply.NoError:
# XXX Maybe convert the error into standard
# http and urllib exceptions.
future.set_exception(Exception(reply.errorString()))
reply.close()
return
# Handle a possible redirection
location = reply.attribute(
QNetworkRequest.RedirectionTargetAttribute)
if location is not None and n_redir < 1:
n_redir += 1
location = reply.url().resolved(location)
# Retry the original request with a new url.
request = QNetworkRequest(reply.request())
request.setUrl(location)
newreply = self._netmanager.get(request)
future._reply = newreply
newreply.finished.connect(
partial(on_reply_ready, newreply, future))
reply.close()
return
reader = QImageReader(reply)
image = reader.read()
reply.close()
if image.isNull():
future.set_exception(Exception(reader.errorString()))
else:
future.set_result(image)
def on_reply_ready(reply, future):
# type: (QNetworkReply, Future) -> None
nonlocal n_redir
# schedule deferred delete to ensure the reply is closed
# otherwise we will leak file/socket descriptors
reply.deleteLater()
future._reply = None
if reply.error() == QNetworkReply.OperationCanceledError:
# The network request was cancelled
reply.close()
future.cancel()
return
if _log.level <= logging.DEBUG:
s = io.StringIO()
print("\n", reply.url(), file=s)
if reply.attribute(QNetworkRequest.SourceIsFromCacheAttribute):
print(" (served from cache)", file=s)
for name, val in reply.rawHeaderPairs():
print(bytes(name).decode("latin-1"), ":",
bytes(val).decode("latin-1"), file=s)
_log.debug(s.getvalue())
if reply.error() != QNetworkReply.NoError:
# XXX Maybe convert the error into standard
# http and urllib exceptions.
future.set_exception(Exception(reply.errorString()))
reply.close()
return
# Handle a possible redirection
location = reply.attribute(
QNetworkRequest.RedirectionTargetAttribute)
if location is not None and n_redir < 1:
n_redir += 1
location = reply.url().resolved(location)
# Retry the original request with a new url.
request = QNetworkRequest(reply.request())
request.setUrl(location)
newreply = self._netmanager.get(request)
future._reply = newreply
newreply.finished.connect(
partial(on_reply_ready, newreply, future))
reply.close()
return
reader = QImageReader(reply)
image = reader.read()
reply.close()
if image.isNull():
future.set_exception(Exception(reader.errorString()))
else:
future.set_result(image)
def on_reply_ready(reply, future):
nonlocal n_redir
# schedule deferred delete to ensure the reply is closed
# otherwise we will leak file/socket descriptors
reply.deleteLater()
future._reply = None
if reply.error() == QNetworkReply.OperationCanceledError:
# The network request was cancelled
reply.close()
future.cancel()
return
if reply.error() != QNetworkReply.NoError:
# XXX Maybe convert the error into standard
# http and urllib exceptions.
future.set_exception(Exception(reply.errorString()))
reply.close()
return
# Handle a possible redirection
location = reply.attribute(
QNetworkRequest.RedirectionTargetAttribute)
if location is not None and n_redir < 1:
n_redir += 1
location = reply.url().resolved(location)
# Retry the original request with a new url.
request = QNetworkRequest(reply.request())
request.setUrl(location)
newreply = self._netmanager.get(request)
future._reply = newreply
newreply.finished.connect(
partial(on_reply_ready, newreply, future))
reply.close()
return
reader = QImageReader(reply)
image = reader.read()
reply.close()
if image.isNull():
future.set_exception(Exception(reader.errorString()))
else:
future.set_result(image)
def on_reply_ready(reply, future):
nonlocal n_redir
# schedule deferred delete to ensure the reply is closed
# otherwise we will leak file/socket descriptors
reply.deleteLater()
future._reply = None
if reply.error() == QNetworkReply.OperationCanceledError:
# The network request was cancelled
reply.close()
future.cancel()
return
if reply.error() != QNetworkReply.NoError:
# XXX Maybe convert the error into standard
# http and urllib exceptions.
future.set_exception(Exception(reply.errorString()))
reply.close()
return
# Handle a possible redirection
location = reply.attribute(
QNetworkRequest.RedirectionTargetAttribute)
if location is not None and n_redir < 1:
n_redir += 1
location = reply.url().resolved(location)
# Retry the original request with a new url.
request = QNetworkRequest(reply.request())
request.setUrl(location)
newreply = self._netmanager.get(request)
future._reply = newreply
newreply.finished.connect(
partial(on_reply_ready, newreply, future))
reply.close()
return
reader = QImageReader(reply)
image = reader.read()
reply.close()
if image.isNull():
future.set_exception(Exception(reader.errorString()))
else:
future.set_result(image)
