本文整理汇总了Python中PyQt5.QtNetwork.QNetworkAccessManager.setProxy方法的典型用法代码示例。如果您正苦于以下问题：Python QNetworkAccessManager.setProxy方法的具体用法？Python QNetworkAccessManager.setProxy怎么用？Python QNetworkAccessManager.setProxy使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类PyQt5.QtNetwork.QNetworkAccessManager的用法示例。
在下文中一共展示了QNetworkAccessManager.setProxy方法的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: PACFetcher
# 需要导入模块: from PyQt5.QtNetwork import QNetworkAccessManager [as 别名]
# 或者: from PyQt5.QtNetwork.QNetworkAccessManager import setProxy [as 别名]
class PACFetcher(QObject):
"""Asynchronous fetcher of PAC files."""
finished = pyqtSignal()
def __init__(self, url, parent=None):
"""Resolve a PAC proxy from URL.
Args:
url: QUrl of a PAC proxy.
"""
super().__init__(parent)
pac_prefix = "pac+"
assert url.scheme().startswith(pac_prefix)
url.setScheme(url.scheme()[len(pac_prefix):])
self._pac_url = url
self._manager = QNetworkAccessManager()
self._manager.setProxy(QNetworkProxy(QNetworkProxy.NoProxy))
self._reply = self._manager.get(QNetworkRequest(url))
self._reply.finished.connect(self._finish)
self._pac = None
self._error_message = None
@pyqtSlot()
def _finish(self):
if self._reply.error() != QNetworkReply.NoError:
error = "Can't fetch PAC file from URL, error code {}: {}"
self._error_message = error.format(
self._reply.error(), self._reply.errorString())
log.network.error(self._error_message)
else:
try:
pacscript = bytes(self._reply.readAll()).decode("utf-8")
except UnicodeError as e:
error = "Invalid encoding of a PAC file: {}"
self._error_message = error.format(e)
log.network.exception(self._error_message)
try:
self._pac = PACResolver(pacscript)
log.network.debug("Successfully evaluated PAC file.")
except EvalProxyError as e:
error = "Error in PAC evaluation: {}"
self._error_message = error.format(e)
log.network.exception(self._error_message)
self._manager = None
self._reply = None
self.finished.emit()
def _wait(self):
"""Wait until a reply from the remote server is received."""
if self._manager is not None:
loop = qtutils.EventLoop()
self.finished.connect(loop.quit)
loop.exec_()
def fetch_error(self):
"""Check if PAC script is successfully fetched.
Return None iff PAC script is downloaded and evaluated successfully,
error string otherwise.
"""
self._wait()
return self._error_message
def resolve(self, query):
"""Resolve a query via PAC.
Args: QNetworkProxyQuery.
Return a list of QNetworkProxy objects in order of preference.
"""
self._wait()
from_file = self._pac_url.scheme() == 'file'
try:
return self._pac.resolve(query, from_file=from_file)
except (EvalProxyError, ParseProxyError) as e:
log.network.exception("Error in PAC resolution: {}.".format(e))
# .invalid is guaranteed to be inaccessible in RFC 6761.
# Port 9 is for DISCARD protocol -- DISCARD servers act like
# /dev/null.
# Later NetworkManager.createRequest will detect this and display
# an error message.
error_host = "pac-resolve-error.qutebrowser.invalid"
return [QNetworkProxy(QNetworkProxy.HttpProxy, error_host, 9)]示例2: create
# 需要导入模块: from PyQt5.QtNetwork import QNetworkAccessManager [as 别名]
# 或者: from PyQt5.QtNetwork.QNetworkAccessManager import setProxy [as 别名]
def create(parent):
nam = QNetworkAccessManager(parent)
nam.setProxy(self.proxy)
return nam