eric6/VCS/StatusMonitorThread.py

Sun, 02 Feb 2020 11:04:32 +0100

author
Detlev Offenbach <detlev@die-offenbachs.de>
date
Sun, 02 Feb 2020 11:04:32 +0100
changeset 7380
c99320e859ca
parent 7360
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child 7781
607a6098cb44
permissions
-rw-r--r--

Fixed an issue related to showing the application name in the menu bar of Gnome desktop under Wayland.

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1 # -*- coding: utf-8 -*-
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2
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3 # Copyright (c) 2006 - 2020 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 the VCS status monitor thread base class.
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8 """
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9
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10
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11 from PyQt5.QtCore import (
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12 QThread, QMutex, QWaitCondition, pyqtSignal, QCoreApplication
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13 )
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14
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15
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16 class VcsStatusMonitorThread(QThread):
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17 """
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18 Class implementing the VCS status monitor thread base class.
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19
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20 @signal vcsStatusMonitorData(list of str) emitted to update the VCS status
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21 @signal vcsStatusMonitorStatus(str, str) emitted to signal the status of
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22 the monitoring thread (ok, nok, op) and a status message
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23 @signal vcsStatusMonitorInfo(str) emitted to signal some info of the
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24 monitoring thread
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25 """
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26 vcsStatusMonitorData = pyqtSignal(list)
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27 vcsStatusMonitorStatus = pyqtSignal(str, str)
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28 vcsStatusMonitorInfo = pyqtSignal(str)
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29
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30 def __init__(self, interval, project, vcs, parent=None):
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31 """
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32 Constructor
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33
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34 @param interval new interval in seconds (integer)
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35 @param project reference to the project object (Project)
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36 @param vcs reference to the version control object
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37 @param parent reference to the parent object (QObject)
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38 """
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39 super(VcsStatusMonitorThread, self).__init__(parent)
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40 self.setObjectName("VcsStatusMonitorThread")
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41
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42 self.setTerminationEnabled(True)
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43
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44 self.projectDir = project.getProjectPath()
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45 self.project = project
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46 self.vcs = vcs
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47
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48 self.interval = interval
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49 self.autoUpdate = False
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50
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51 self.statusList = []
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52 self.reportedStates = {}
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53 self.shouldUpdate = False
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54
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55 self.monitorMutex = QMutex()
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56 self.monitorCondition = QWaitCondition()
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57 self.__stopIt = False
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58
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59 def run(self):
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60 """
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61 Public method implementing the tasks action.
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62 """
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63 while not self.__stopIt:
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64 # perform the checking task
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65 self.statusList = []
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66 self.vcsStatusMonitorStatus.emit(
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67 "wait", QCoreApplication.translate(
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68 "VcsStatusMonitorThread", "Waiting for lock"))
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69 try:
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70 locked = self.vcs.vcsExecutionMutex.tryLock(5000)
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71 except TypeError:
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72 locked = self.vcs.vcsExecutionMutex.tryLock()
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73 if locked:
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74 try:
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75 self.vcsStatusMonitorStatus.emit(
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76 "op", QCoreApplication.translate(
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77 "VcsStatusMonitorThread",
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78 "Checking repository status"))
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79 res, statusMsg = self._performMonitor()
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80 infoMsg = self._getInfo()
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81 finally:
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82 self.vcs.vcsExecutionMutex.unlock()
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83 if res:
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84 status = "ok"
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85 else:
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86 status = "nok"
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87 self.vcsStatusMonitorStatus.emit(
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88 "send", QCoreApplication.translate(
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89 "VcsStatusMonitorThread", "Sending data"))
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90 self.vcsStatusMonitorData.emit(self.statusList)
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91 self.vcsStatusMonitorStatus.emit(status, statusMsg)
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92 self.vcsStatusMonitorInfo.emit(infoMsg)
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93 else:
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94 self.vcsStatusMonitorStatus.emit(
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95 "timeout", QCoreApplication.translate(
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96 "VcsStatusMonitorThread",
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97 "Timed out waiting for lock"))
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98 self.vcsStatusMonitorInfo.emit("")
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99
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100 if self.autoUpdate and self.shouldUpdate:
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101 self.vcs.vcsUpdate(self.projectDir, True)
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102 continue # check again
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103 self.shouldUpdate = False
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104
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105 # wait until interval has expired checking for a stop condition
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106 self.monitorMutex.lock()
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107 if not self.__stopIt:
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108 self.monitorCondition.wait(
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109 self.monitorMutex, self.interval * 1000)
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110 self.monitorMutex.unlock()
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111
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112 self._shutdown()
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113 self.exit()
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114
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115 def setInterval(self, interval):
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116 """
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117 Public method to change the monitor interval.
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118
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119 @param interval new interval in seconds (integer)
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120 """
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121 locked = self.monitorMutex.tryLock()
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122 self.interval = interval
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123 self.monitorCondition.wakeAll()
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124 if locked:
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125 self.monitorMutex.unlock()
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126
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127 def getInterval(self):
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128 """
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129 Public method to get the monitor interval.
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130
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131 @return interval in seconds (integer)
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132 """
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133 return self.interval
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134
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135 def setAutoUpdate(self, auto):
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136 """
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137 Public method to enable the auto update function.
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138
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139 @param auto status of the auto update function (boolean)
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140 """
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141 self.autoUpdate = auto
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142
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143 def getAutoUpdate(self):
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144 """
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145 Public method to retrieve the status of the auto update function.
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146
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147 @return status of the auto update function (boolean)
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148 """
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149 return self.autoUpdate
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150
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151 def checkStatus(self):
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152 """
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153 Public method to wake up the status monitor thread.
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154 """
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155 locked = self.monitorMutex.tryLock()
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156 self.monitorCondition.wakeAll()
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157 if locked:
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158 self.monitorMutex.unlock()
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159
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160 def stop(self):
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161 """
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162 Public method to stop the monitor thread.
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163 """
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164 locked = self.monitorMutex.tryLock()
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165 self.__stopIt = True
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166 self.monitorCondition.wakeAll()
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167 if locked:
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168 self.monitorMutex.unlock()
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169
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170 def clearCachedState(self, name):
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171 """
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172 Public method to clear the cached VCS state of a file/directory.
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173
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174 @param name name of the entry to be cleared (string)
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175 """
248
f4561c24989a Changed code to better deal with project relative paths on Windows systems.
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176 key = self.project.getRelativePath(name)
0
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177 try:
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178 del self.reportedStates[key]
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179 except KeyError:
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180 pass
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181
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182 def _performMonitor(self):
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183 """
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184 Protected method implementing the real monitoring action.
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185
3013
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186 This method must be overridden and populate the statusList member
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187 variable with a list of strings giving the status in the first column
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188 and the path relative to the project directory starting with the
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189 third column. The allowed status flags are:
0
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190 <ul>
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191 <li>"A" path was added but not yet comitted</li>
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192 <li>"M" path has local changes</li>
216
6f9713e8d570 Added actions to identify the repo, to forget about files and added an additional status to be reported by the status monitor.
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193 <li>"O" path was removed</li>
0
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194 <li>"R" path was deleted and then re-added</li>
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195 <li>"U" path needs an update</li>
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196 <li>"Z" path contains a conflict</li>
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197 <li>" " path is back at normal</li>
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198 </ul>
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199
7165
375c077ef7e2 Changed some code documentation from '@ireturn' to '@return'.
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200 @return tuple of flag indicating successful operation (boolean) and
110
c9a969db1469 Fixed doc string still containing QString and QStringList.
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201 a status message in case of non successful operation (string)
2965
d133c7edd88a Continued correcting doc strings by using the new doc string checker.
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202 @exception RuntimeError to indicate that this method must be
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203 implemented by a subclass
0
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204 """
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205 raise RuntimeError('Not implemented')
7192
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206
7249
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207 return ()
1255
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208
6529
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209 def _getInfo(self):
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210 """
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211 Protected method implementing the real info action.
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212
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213 This method should be overridden and create a short info message to be
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diff changeset
214 shown in the main window status bar right next to the status indicator.
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parents: 6048
diff changeset
215
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216 @return short info message
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diff changeset
217 @rtype str
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diff changeset
218 """
1c2968f124b7 VCS: added capability to show some VCS info in the status bar of the main window (next to the status LED).
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parents: 6048
diff changeset
219 return ""
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parents: 6048
diff changeset
220
1255
e1d8a8a4d40c Continued implementing an interface to the Mercurial command server.
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diff changeset
221 def _shutdown(self):
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222 """
e1d8a8a4d40c Continued implementing an interface to the Mercurial command server.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 1131
diff changeset
223 Protected method performing shutdown actions.
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224
e1d8a8a4d40c Continued implementing an interface to the Mercurial command server.
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diff changeset
225 The default implementation does nothing.
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226 """
e1d8a8a4d40c Continued implementing an interface to the Mercurial command server.
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227 pass

eric ide

mercurial