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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 scheme access handler for Python resources. |
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8 """ |
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9 |
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10 from PyQt4.QtCore import QBuffer, QIODevice, QByteArray |
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11 |
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12 from Helpviewer.HTMLResources import startPage_html |
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13 |
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14 from SchemeAccessHandler import SchemeAccessHandler |
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15 |
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16 from NetworkReply import NetworkReply |
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17 from NetworkProtocolUnknownErrorReply import NetworkProtocolUnknownErrorReply |
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18 |
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19 import UI.PixmapCache |
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20 |
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21 class PyrcAccessHandler(SchemeAccessHandler): |
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22 """ |
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23 Class implementing a scheme access handler for Python resources. |
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24 """ |
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25 def createRequest(self, op, request, outgoingData = None): |
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26 """ |
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27 Protected method to create a request. |
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28 |
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29 @param op the operation to be performed (QNetworkAccessManager.Operation) |
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30 @param request reference to the request object (QNetworkRequest) |
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31 @param outgoingData reference to an IODevice containing data to be sent |
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32 (QIODevice) |
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33 @return reference to the created reply object (QNetworkReply) |
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34 """ |
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35 if request.url().toString() == "pyrc:home": |
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36 html = startPage_html |
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37 pixmap = UI.PixmapCache.getPixmap("ericWeb32.png") |
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38 imageBuffer = QBuffer() |
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39 imageBuffer.open(QIODevice.ReadWrite) |
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40 if pixmap.save(imageBuffer, "PNG"): |
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41 html.replace("IMAGE_BINARY_DATA_HERE", |
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42 unicode(imageBuffer.buffer().toBase64())) |
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43 return NetworkReply(request, QByteArray(html), "text/html") |
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44 |
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45 return NetworkProtocolUnknownErrorReply("pyrc") |