Helpviewer/Bookmarks/XbelWriter.py

Fri, 31 Dec 2010 15:49:50 +0100

author
Detlev Offenbach <detlev@die-offenbachs.de>
date
Fri, 31 Dec 2010 15:49:50 +0100
changeset 791
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parent 13
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child 945
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child 1510
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permissions
-rw-r--r--

Updated copyright notice.

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1 # -*- coding: utf-8 -*-
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2
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3 # Copyright (c) 2009 - 2011 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 class to write XBEL bookmark files.
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8 """
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9
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10 from PyQt4.QtCore import *
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11
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1d8dd9706f46 First commit after changing to Python 3.1.
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12 from .BookmarkNode import BookmarkNode
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13
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14 class XbelWriter(QXmlStreamWriter):
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15 """
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16 Class implementing a writer object to generate XBEL bookmark files.
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17 """
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18 def __init__(self):
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19 """
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20 Constructor
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21 """
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22 QXmlStreamWriter.__init__(self)
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23
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24 self.setAutoFormatting(True)
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25
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26 def write(self, fileNameOrDevice, root):
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27 """
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28 Public method to write an XBEL bookmark file.
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29
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30 @param fileNameOrDevice name of the file to write (string)
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31 or device to write to (QIODevice)
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32 @param root root node of the bookmark tree (BookmarkNode)
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33 """
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34 if isinstance(fileNameOrDevice, QIODevice):
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35 f = fileNameOrDevice
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36 else:
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37 f = QFile(fileNameOrDevice)
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38 if root is None or not f.open(QFile.WriteOnly):
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39 return False
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40
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41 self.setDevice(f)
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42 return self.__write(root)
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43
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44 def __write(self, root):
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45 """
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46 Private method to write an XBEL bookmark file.
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47
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48 @param root root node of the bookmark tree (BookmarkNode)
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49 """
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50 self.writeStartDocument()
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51 self.writeDTD("<!DOCTYPE xbel>")
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52 self.writeStartElement("xbel")
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53 self.writeAttribute("version", "1.0")
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54 if root.type() == BookmarkNode.Root:
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55 for child in root.children():
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56 self.__writeItem(child)
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57 else:
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58 self.__writeItem(root)
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59
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60 self.writeEndDocument()
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61 return True
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62
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63 def __writeItem(self, node):
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64 """
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65 Private method to write an entry for a node.
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66
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67 @param node reference to the node to be written (BookmarkNode)
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68 """
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69 if node.type() == BookmarkNode.Folder:
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70 self.writeStartElement("folder")
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71 self.writeAttribute("folded", node.expanded and "no" or "yes")
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72 self.writeTextElement("title", node.title)
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73 for child in node.children():
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74 self.__writeItem(child)
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75 self.writeEndElement()
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76 elif node.type() == BookmarkNode.Bookmark:
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77 self.writeStartElement("bookmark")
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78 if node.url:
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79 self.writeAttribute("href", node.url)
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80 self.writeTextElement("title", node.title)
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81 if node.desc:
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82 self.writeTextElement("desc", node.desc)
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83 self.writeEndElement()
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84 elif node.type() == BookmarkNode.Separator:
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85 self.writeEmptyElement("separator")

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