Sat, 02 Jan 2010 15:35:20 +0000
Changed copyright for 2010.
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1 | # -*- coding: utf-8 -*- |
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2 | |
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1af94a91f439
Changed copyright for 2010.
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3 | # Copyright (c) 2009 - 2010 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 thread class populating and updating the QtHelp |
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8 | documentation database. |
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9 | """ |
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10 | |
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11 | from PyQt4.QtCore import * |
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12 | from PyQt4.QtGui import * |
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13 | from PyQt4.QtHelp import QHelpEngineCore |
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14 | |
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15 | from eric4config import getConfig |
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16 | |
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17 | class HelpDocsInstaller(QThread): |
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18 | """ |
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19 | Class implementing the worker thread populating and updating the QtHelp |
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20 | documentation database. |
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21 | |
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22 | @signal errorMessage(const QString&) emitted, if an error occurred during |
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23 | the installation of the documentation |
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24 | @signal docsInstalled(bool) emitted after the installation has finished |
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25 | """ |
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26 | def __init__(self, collection): |
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27 | """ |
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28 | Constructor |
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29 | |
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30 | @param collection full pathname of the collection file (string) |
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31 | """ |
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32 | QThread.__init__(self) |
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33 | |
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34 | self.__abort = False |
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35 | self.__collection = collection |
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36 | self.__mutex = QMutex() |
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37 | |
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38 | def stop(self): |
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39 | """ |
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40 | Public slot to stop the installation procedure. |
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41 | """ |
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42 | if not self.isRunning(): |
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43 | return |
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44 | |
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45 | self.__mutex.lock() |
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46 | self.__abort = True |
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47 | self.__mutex.unlock() |
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48 | self.wait() |
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49 | |
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50 | def installDocs(self): |
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51 | """ |
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52 | Public method to start the installation procedure. |
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53 | """ |
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54 | self.start(QThread.LowPriority) |
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55 | |
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56 | def run(self): |
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57 | """ |
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58 | Protected method executed by the thread. |
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59 | """ |
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60 | engine = QHelpEngineCore(self.__collection) |
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61 | engine.setupData() |
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62 | changes = False |
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63 | |
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64 | qtDocs = ["designer", "linguist", "qt"] |
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65 | for doc in qtDocs: |
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66 | changes |= self.__installQtDoc(doc, engine) |
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67 | self.__mutex.lock() |
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68 | if self.__abort: |
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69 | engine = None |
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70 | self.__mutex.unlock() |
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71 | return |
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72 | self.__mutex.unlock() |
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73 | |
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74 | changes |= self.__installEric4Doc(engine) |
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75 | engine = None |
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76 | del engine |
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77 | self.emit(SIGNAL("docsInstalled(bool)"), changes) |
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78 | |
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79 | def __installQtDoc(self, name, engine): |
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80 | """ |
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81 | Private method to install/update a Qt help document. |
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82 | |
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83 | @param name name of the Qt help document (string) |
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84 | @param engine reference to the help engine (QHelpEngineCore) |
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85 | @return flag indicating success (boolean) |
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86 | """ |
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87 | versionKey = "qt_version_{0}@@{1}".format(qVersion(), name) |
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88 | info = engine.customValue(versionKey, "") |
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89 | lst = info.split('|') |
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90 | |
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91 | dt = QDateTime() |
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92 | if len(lst) and lst[0]: |
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93 | dt = QDateTime.fromString(lst[0], Qt.ISODate) |
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94 | |
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95 | qchFile = "" |
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96 | if len(lst) == 2: |
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97 | qchFile = lst[1] |
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98 | |
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99 | docsPath = QDir(QLibraryInfo.location(QLibraryInfo.DocumentationPath) + \ |
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100 | QDir.separator() + "qch") |
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101 | |
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102 | files = docsPath.entryList(["*.qch"]) |
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103 | if not files: |
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104 | engine.setCustomValue(versionKey, |
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105 | QDateTime().toString(Qt.ISODate) + '|') |
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106 | return False |
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107 | |
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108 | for f in files: |
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109 | if f.startswith(name): |
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110 | fi = QFileInfo(docsPath.absolutePath() + QDir.separator() + f) |
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111 | namespace = QHelpEngineCore.namespaceName(fi.absoluteFilePath()) |
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112 | if not namespace: |
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113 | continue |
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114 | |
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115 | if dt.isValid() and \ |
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116 | namespace in engine.registeredDocumentations() and \ |
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117 | fi.lastModified().toString(Qt.ISODate) == dt.toString(Qt.ISODate) and \ |
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118 | qchFile == fi.absoluteFilePath(): |
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119 | return False |
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120 | |
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121 | if namespace in engine.registeredDocumentations(): |
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122 | engine.unregisterDocumentation(namespace) |
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123 | |
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124 | if not engine.registerDocumentation(fi.absoluteFilePath()): |
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125 | self.emit(SIGNAL("errorMessage(const QString&)"), |
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126 | self.trUtf8("""The file <b>{0}</b> could not be registered.""" |
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127 | """<br/>Reason: {1}""")\ |
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128 | .format(fi.absoluteFilePath, engine.error()) |
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129 | ) |
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130 | return False |
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131 | |
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132 | engine.setCustomValue(versionKey, |
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133 | fi.lastModified().toString(Qt.ISODate) + '|' + \ |
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134 | fi.absoluteFilePath()) |
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135 | return True |
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136 | |
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137 | return False |
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138 | |
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139 | def __installEric4Doc(self, engine): |
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140 | """ |
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141 | Private method to install/update the eric4 help documentation. |
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142 | |
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143 | @param engine reference to the help engine (QHelpEngineCore) |
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144 | @return flag indicating success (boolean) |
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145 | """ |
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146 | versionKey = "eric4_ide" |
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147 | info = engine.customValue(versionKey, "") |
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148 | lst = info.split('|') |
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149 | |
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150 | dt = QDateTime() |
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151 | if len(lst) and lst[0]: |
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152 | dt = QDateTime.fromString(lst[0], Qt.ISODate) |
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153 | |
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154 | qchFile = "" |
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155 | if len(lst) == 2: |
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156 | qchFile = lst[1] |
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157 | |
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158 | docsPath = QDir(getConfig("ericDocDir") + QDir.separator() + "Help") |
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159 | |
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160 | files = docsPath.entryList(["*.qch"]) |
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161 | if not files: |
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162 | engine.setCustomValue(versionKey, |
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163 | QDateTime().toString(Qt.ISODate) + '|') |
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164 | return False |
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165 | |
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166 | for f in files: |
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167 | if f == "source.qch": |
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168 | fi = QFileInfo(docsPath.absolutePath() + QDir.separator() + f) |
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169 | if dt.isValid() and \ |
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170 | fi.lastModified().toString(Qt.ISODate) == dt.toString(Qt.ISODate) and \ |
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171 | qchFile == fi.absoluteFilePath(): |
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172 | return False |
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173 | |
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174 | namespace = QHelpEngineCore.namespaceName(fi.absoluteFilePath()) |
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175 | if not namespace: |
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176 | continue |
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177 | |
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178 | if namespace in engine.registeredDocumentations(): |
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179 | engine.unregisterDocumentation(namespace) |
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180 | |
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181 | if not engine.registerDocumentation(fi.absoluteFilePath()): |
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182 | self.emit(SIGNAL("errorMessage(const QString&)"), |
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183 | self.trUtf8("""The file <b>{0}</b> could not be registered.""" |
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184 | """<br/>Reason: {1}""")\ |
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185 | .format(fi.absoluteFilePath, engine.error()) |
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186 | ) |
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187 | return False |
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188 | |
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189 | engine.setCustomValue(versionKey, |
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190 | fi.lastModified().toString(Qt.ISODate) + '|' + \ |
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191 | fi.absoluteFilePath()) |
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192 | return True |
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193 | |
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194 | return False |