diff -r af4103f0e93f -r 26aa6fd94dc2 Helpviewer/Network/FollowRedirectReply.py
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/Helpviewer/Network/FollowRedirectReply.py Sun Jul 22 15:32:52 2012 +0200
@@ -0,0 +1,94 @@
+# -*- coding: utf-8 -*-
+
+# Copyright (c) 2012 Detlev Offenbach <detlev@die-offenbachs.de>
+#
+
+"""
+Module implementing a network reply delegate allowing to check redirects.
+"""
+
+from PyQt4.QtCore import pyqtSignal, QObject
+from PyQt4.QtNetwork import QNetworkRequest
+
+
+class FollowRedirectReply(QObject):
+ """
+ Class implementing a network reply delegate allowing to check redirects
+ """
+ finished = pyqtSignal()
+
+ def __init__(self, url, manager, maxRedirects=5):
+ """
+ Constructor
+
+ @param url URL to get (QUrl)
+ @param manager reference to the network access manager (QNetworkAccessManager)
+ @keyparam maxRedirects maximum allowed redirects (integer)
+ """
+ super().__init__()
+
+ self.__manager = manager
+ self.__maxRedirects = maxRedirects
+ self.__redirectCount = 0
+
+ self.__reply = self.__manager.get(QNetworkRequest(url))
+ self.__reply.finished[()].connect(self.__replyFinished)
+
+ def reply(self):
+ """
+ Public method to get the reply object.
+
+ @return reference to the reply object (QNetworkReply)
+ """
+ return self.__reply
+
+ def originalUrl(self):
+ """
+ Public method to get the original URL.
+
+ @return original URL (QUrl)
+ """
+ return self.__reply.request().url()
+
+ def url(self):
+ """
+ Public method to get the final URL (after redirects).
+
+ @return final URL (QUrl)
+ """
+ return self.__reply.url()
+
+ def error(self):
+ """
+ Public method to get the error information.
+
+ @return error code (QNetworkReply.NetworkError)
+ """
+ return self.__reply.error()
+
+ def readAll(self):
+ """
+ Public method to read all received data.
+
+ @return received raw data (QByteArray)
+ """
+ return self.__reply.readAll()
+
+ def __replyFinished(self):
+ """
+ Private slot handling the receipt of the requested data.
+ """
+ replyStatus = self.__reply.attribute(QNetworkRequest.HttpStatusCodeAttribute)
+ if (replyStatus != 301 and replyStatus != 302) or \
+ self.__redirectCount == self.__maxRedirects:
+ self.finished.emit()
+ return
+
+ self.__redirectCount += 1
+
+ redirectUrl = self.__reply.attribute(QNetworkRequest.RedirectionTargetAttribute)
+ self.__reply.close()
+ self.__reply.finished[()].disconnect(self.__replyFinished)
+
+ self.__reply = self.__manager.get(QNetworkRequest(redirectUrl))
+ self.__reply.finished[()].connect(self.__replyFinished)
