Helpviewer/Network/NetworkAccessManagerProxy.py

Mon, 28 Dec 2009 16:03:33 +0000

author
Detlev Offenbach <detlev@die-offenbachs.de>
date
Mon, 28 Dec 2009 16:03:33 +0000
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child 13
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permissions
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Started porting eric4 to Python3

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1 # -*- coding: utf-8 -*-
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2
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3 # Copyright (c) 2009 Detlev Offenbach <detlev@die-offenbachs.de>
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4 #
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5
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6 """
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7 Module implementing a network access manager proxy for web pages.
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8 """
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9
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10 from PyQt4.QtCore import SIGNAL
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11 from PyQt4.QtNetwork import QNetworkAccessManager
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12
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13 class NetworkAccessManagerProxy(QNetworkAccessManager):
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14 """
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15 Class implementing a network access manager proxy for web pages.
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16 """
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17 primaryManager = None
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18
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19 def __init__(self, parent = None):
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20 """
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21 Constructor
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22
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23 @param parent reference to the parent object (QObject)
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24 """
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25 QNetworkAccessManager.__init__(self, parent)
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26 self.__webPage = None
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27
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28 def setWebPage(self, page):
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29 """
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30 Public method to set the reference to a web page.
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31
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32 @param page reference to the web page object (HelpWebPage)
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33 """
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34 assert page is not None
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35 self.__webPage = page
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36
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37 def setPrimaryNetworkAccessManager(self, manager):
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38 """
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39 Public method to set the primary network access manager.
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40
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41 @param manager reference to the network access manager object
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42 (QNetworkAccessManager)
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43 """
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44 assert manager is not None
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45 if self.__class__.primaryManager is None:
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46 self.__class__.primaryManager = manager
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47 self.setCookieJar(self.__class__.primaryManager.cookieJar())
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48 # do not steal ownership
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49 self.cookieJar().setParent(self.__class__.primaryManager)
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50
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51 self.connect(self,
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52 SIGNAL('sslErrors(QNetworkReply *, const QList<QSslError> &)'),
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53 self.__class__.primaryManager,
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54 SIGNAL('sslErrors(QNetworkReply *, const QList<QSslError> &)'))
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55 self.connect(self,
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56 SIGNAL('proxyAuthenticationRequired(const QNetworkProxy &, QAuthenticator *)'),
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57 self.__class__.primaryManager,
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58 SIGNAL('proxyAuthenticationRequired(const QNetworkProxy &, QAuthenticator *)'))
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59 self.connect(self,
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60 SIGNAL('authenticationRequired(QNetworkReply *, QAuthenticator *)'),
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61 self.__class__.primaryManager,
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62 SIGNAL('authenticationRequired(QNetworkReply *, QAuthenticator *)'))
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63 self.connect(self, SIGNAL("finished(QNetworkReply *)"),
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64 self.__class__.primaryManager, SIGNAL("finished(QNetworkReply *)"))
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65
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66 def createRequest(self, op, request, outgoingData = None):
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67 """
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68 Protected method to create a request.
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69
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70 @param op the operation to be performed (QNetworkAccessManager.Operation)
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71 @param request reference to the request object (QNetworkRequest)
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72 @param outgoingData reference to an IODevice containing data to be sent
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73 (QIODevice)
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74 @return reference to the created reply object (QNetworkReply)
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75 """
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76 if self.primaryManager is not None and \
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77 self.__webPage is not None:
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78 pageRequest = request
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79 self.__webPage.populateNetworkRequest(pageRequest)
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80 return self.primaryManager.createRequest(op, request, outgoingData)
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81
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82 return QNetworkAccessManager.createRequest(self, op, request, outgoingData)

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