eric6/Tools/TRSingleApplication.py

Sat, 27 Feb 2021 12:08:23 +0100

author
Detlev Offenbach <detlev@die-offenbachs.de>
date
Sat, 27 Feb 2021 12:08:23 +0100
changeset 8138
169e65a6787c
parent 7923
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permissions
-rw-r--r--

Shell: added functionality to show a prompt when the main client process has exited (e.g. a script ended).

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1 # -*- coding: utf-8 -*-
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2
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3 # Copyright (c) 2004 - 2021 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 single application server and client.
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8 """
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9
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10 import os
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11
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12 from PyQt5.QtCore import pyqtSignal
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13
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14 from Toolbox.SingleApplication import (
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15 SingleApplicationClient, SingleApplicationServer
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16 )
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17
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18 ###########################################################################
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19 ## define some module global stuff
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20 ###########################################################################
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21
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22 SAFile = "eric6_trpreviewer"
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24 # define the protocol tokens
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25 SALoadForm = 'LoadForm'
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26 SALoadTranslation = 'LoadTranslation'
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27
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28
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29 class TRSingleApplicationServer(SingleApplicationServer):
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30 """
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31 Class implementing the single application server embedded within the
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32 Translations Previewer.
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33
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34 @signal loadForm(str) emitted to load a form file
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35 @signal loadTranslation(str, bool) emitted to load a translation file
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36 """
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37 loadForm = pyqtSignal(str)
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38 loadTranslation = pyqtSignal(str, bool)
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39
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40 def __init__(self, parent):
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41 """
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42 Constructor
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43
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44 @param parent parent widget (QWidget)
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45 """
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46 SingleApplicationServer.__init__(self, SAFile)
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47
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48 self.parent = parent
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49
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50 def handleCommand(self, command, arguments):
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51 """
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52 Public slot to handle the command sent by the client.
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53
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54 @param command command sent by the client
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55 @type str
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56 @param arguments list of command arguments
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57 @type list of str
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58 """
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59 if command == SALoadForm:
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60 self.__saLoadForm(arguments)
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61
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62 elif command == SALoadTranslation:
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63 self.__saLoadTranslation(arguments)
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64
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65 def __saLoadForm(self, fnames):
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66 """
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67 Private method used to handle the "Load Form" command.
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68
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69 @param fnames filenames of the forms to be loaded (list of strings)
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70 """
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71 for fname in fnames:
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72 self.loadForm.emit(fname)
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73
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74 def __saLoadTranslation(self, fnames):
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75 """
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76 Private method used to handle the "Load Translation" command.
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77
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78 @param fnames filenames of the translations to be loaded
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79 (list of strings)
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80 """
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81 first = True
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82 for fname in fnames:
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83 self.loadTranslation.emit(fname, first)
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84 first = False
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85
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86
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87 class TRSingleApplicationClient(SingleApplicationClient):
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88 """
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89 Class implementing the single application client of the Translations
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90 Previewer.
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91 """
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92 def __init__(self):
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93 """
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94 Constructor
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95 """
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96 SingleApplicationClient.__init__(self, SAFile)
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97
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98 def processArgs(self, args):
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99 """
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100 Public method to process the command line args passed to the UI.
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101
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102 @param args list of files to open
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103 """
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104 # no args, return
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105 if args is None:
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106 return
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107
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108 uiFiles = []
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109 qmFiles = []
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110
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111 for arg in args:
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112 ext = os.path.splitext(arg)[1]
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113 ext = ext.lower()
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114
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115 if ext == '.ui':
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116 uiFiles.append(arg)
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117 elif ext == '.qm':
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118 qmFiles.append(arg)
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119
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120 self.sendCommand(SALoadForm, uiFiles)
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121 self.sendCommand(SALoadTranslation, qmFiles)
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122
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123 self.disconnect()

eric ide

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