Helpviewer/Bookmarks/XbelWriter.py

Thu, 10 Oct 2013 18:35:45 +0200

author
Detlev Offenbach <detlev@die-offenbachs.de>
date
Thu, 10 Oct 2013 18:35:45 +0200
changeset 3002
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parent 2954
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child 3057
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child 3160
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permissions
-rw-r--r--

Continued to shorten the code lines to max. 79 characters.

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1 # -*- coding: utf-8 -*-
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2
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3 # Copyright (c) 2009 - 2013 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 QXmlStreamWriter, QIODevice, QFile, Qt
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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
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15 class XbelWriter(QXmlStreamWriter):
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16 """
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17 Class implementing a writer object to generate XBEL bookmark files.
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18 """
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19 def __init__(self):
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20 """
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21 Constructor
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22 """
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23 super().__init__()
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24
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25 self.setAutoFormatting(True)
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26
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27 def write(self, fileNameOrDevice, root):
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28 """
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29 Public method to write an XBEL bookmark file.
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30
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31 @param fileNameOrDevice name of the file to write (string)
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32 or device to write to (QIODevice)
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33 @param root root node of the bookmark tree (BookmarkNode)
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34 @return flag indicating success (boolean)
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35 """
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36 if isinstance(fileNameOrDevice, QIODevice):
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37 f = fileNameOrDevice
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38 else:
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39 f = QFile(fileNameOrDevice)
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40 if root is None or not f.open(QFile.WriteOnly):
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41 return False
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42
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43 self.setDevice(f)
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44 return self.__write(root)
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45
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46 def __write(self, root):
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47 """
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48 Private method to write an XBEL bookmark file.
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49
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50 @param root root node of the bookmark tree (BookmarkNode)
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51 @return flag indicating success (boolean)
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52 """
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53 self.writeStartDocument()
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54 self.writeDTD("<!DOCTYPE xbel>")
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55 self.writeStartElement("xbel")
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56 self.writeAttribute("version", "1.0")
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57 if root.type() == BookmarkNode.Root:
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58 for child in root.children():
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59 self.__writeItem(child)
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60 else:
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61 self.__writeItem(root)
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62
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63 self.writeEndDocument()
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64 return True
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65
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66 def __writeItem(self, node):
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67 """
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68 Private method to write an entry for a node.
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69
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70 @param node reference to the node to be written (BookmarkNode)
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71 """
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72 if node.type() == BookmarkNode.Folder:
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73 self.writeStartElement("folder")
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74 if node.added.isValid():
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75 self.writeAttribute("added", node.added.toString(Qt.ISODate))
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76 self.writeAttribute("folded", node.expanded and "no" or "yes")
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77 self.writeTextElement("title", node.title)
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78 for child in node.children():
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79 self.__writeItem(child)
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80 self.writeEndElement()
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81 elif node.type() == BookmarkNode.Bookmark:
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82 self.writeStartElement("bookmark")
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83 if node.url:
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84 self.writeAttribute("href", node.url)
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85 if node.added.isValid():
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86 self.writeAttribute("added", node.added.toString(Qt.ISODate))
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87 if node.modified.isValid():
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88 self.writeAttribute(
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89 "modified", node.modified.toString(Qt.ISODate))
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90 if node.visited.isValid():
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91 self.writeAttribute(
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92 "visited", node.visited.toString(Qt.ISODate))
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93 self.writeTextElement("title", node.title)
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94 if node.desc:
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95 self.writeTextElement("desc", node.desc)
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96 self.writeEndElement()
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97 elif node.type() == BookmarkNode.Separator:
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98 self.writeEmptyElement("separator")
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99 if node.added.isValid():
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100 self.writeAttribute("added", node.added.toString(Qt.ISODate))

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