eric6/PipInterface/PipFreezeDialog.py

Wed, 29 May 2019 22:14:02 +0200

author
T.Rzepka <Tobias.Rzepka@gmail.com>
date
Wed, 29 May 2019 22:14:02 +0200
branch
Variables Viewer
changeset 7030
73779c4c135a
parent 6942
2602857055c5
child 6989
8b8cadf8d7e9
child 7192
a22eee00b052
permissions
-rw-r--r--

Bugfix displaying to many characters as default_factory type.

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1 # -*- coding: utf-8 -*-
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2
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3 # Copyright (c) 2015 - 2019 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 dialog to generate a requirements file.
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8 """
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9
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10 from __future__ import unicode_literals
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11 try:
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12 str = unicode # __IGNORE_EXCEPTION__
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13 except NameError:
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14 pass
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15
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16 import os
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17
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18 from PyQt5.QtCore import pyqtSlot, Qt
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19 from PyQt5.QtWidgets import QDialog, QDialogButtonBox, QAbstractButton, \
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20 QApplication
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21
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22 from E5Gui import E5MessageBox, E5FileDialog
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23 from E5Gui.E5PathPicker import E5PathPickerModes
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24 from E5Gui.E5Application import e5App
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25
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26 from .Ui_PipFreezeDialog import Ui_PipFreezeDialog
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27
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28 import Utilities
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29
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30
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31 class PipFreezeDialog(QDialog, Ui_PipFreezeDialog):
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32 """
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33 Class implementing a dialog to generate a requirements file.
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34 """
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35 def __init__(self, pip, parent=None):
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36 """
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37 Constructor
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38
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39 @param pip reference to the master object
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40 @type Pip
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41 @param parent reference to the parent widget
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42 @type QWidget
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43 """
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44 super(PipFreezeDialog, self).__init__(parent)
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45 self.setupUi(self)
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46 self.setWindowFlags(Qt.Window)
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47
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48 self.__refreshButton = self.buttonBox.addButton(
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49 self.tr("&Refresh"), QDialogButtonBox.ActionRole)
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50
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51 self.requirementsFilePicker.setMode(E5PathPickerModes.SaveFileMode)
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52 self.requirementsFilePicker.setFilters(
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53 self.tr("Text Files (*.txt);;All Files (*)"))
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54
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55 self.__pip = pip
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56
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57 self.__requirementsEdited = False
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58 self.__requirementsAvailable = False
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59
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60 self.__updateButtons()
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61
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62 def closeEvent(self, e):
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63 """
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64 Protected slot implementing a close event handler.
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65
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66 @param e close event
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67 @type QCloseEvent
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68 """
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69 QApplication.restoreOverrideCursor()
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70 e.accept()
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71
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72 @pyqtSlot(bool)
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73 def on_localCheckBox_clicked(self, checked):
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74 """
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75 Private slot handling the switching of the local mode.
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76
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77 @param checked state of the local check box
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78 @type bool
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79 """
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80 self.__refresh()
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81
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82 @pyqtSlot(str)
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83 def on_requirementsFilePicker_textChanged(self, txt):
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84 """
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85 Private slot handling a change of the requirements file name.
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86
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87 @param txt name of the requirements file
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88 @type str
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89 """
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90 self.__updateButtons()
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91
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92 @pyqtSlot()
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93 def on_requirementsEdit_textChanged(self):
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94 """
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95 Private slot handling changes of the requirements text.
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96 """
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97 self.__requirementsEdited = True
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98
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99 @pyqtSlot(QAbstractButton)
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100 def on_buttonBox_clicked(self, button):
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101 """
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102 Private slot called by a button of the button box clicked.
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103
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104 @param button button that was clicked
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105 @type QAbstractButton
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106 """
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107 if button == self.buttonBox.button(QDialogButtonBox.Close):
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108 self.close()
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109 elif button == self.__refreshButton:
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110 self.__refresh()
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111
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112 def __refresh(self):
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113 """
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114 Private slot to refresh the displayed list.
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115 """
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116 if self.__requirementsEdited:
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117 ok = E5MessageBox.yesNo(
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118 self,
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119 self.tr("Generate Requirements"),
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120 self.tr("""The requirements were changed. Do you want"""
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121 """ to overwrite these changes?"""))
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122 else:
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123 ok = True
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124 if ok:
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125 self.start()
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126
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127 def start(self, venvName):
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128 """
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129 Public method to start the command.
6798
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130
3985c1a67fa2 PipInterface: continued with the pip interface widget.
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parents: 6782
diff changeset
131 @param venvName name of the environment to act upon
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parents: 6782
diff changeset
132 @type str
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parents:
diff changeset
133 """
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
134 self.requirementsEdit.clear()
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
135 self.__requirementsAvailable = False
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
136
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parents: 6048
diff changeset
137 interpreter = self.__pip.getVirtualenvInterpreter(venvName)
c79ecba9cde7 pip Interface: changed to use the new VirtualEnv Manager
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 6048
diff changeset
138 if not interpreter:
c79ecba9cde7 pip Interface: changed to use the new VirtualEnv Manager
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 6048
diff changeset
139 return
6011
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parents:
diff changeset
140
6342
c79ecba9cde7 pip Interface: changed to use the new VirtualEnv Manager
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parents: 6048
diff changeset
141 args = ["-m", "pip", "freeze"]
6011
e6af0dcfbb35 Added the pip interface plug-in to the core plug-ins.
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parents:
diff changeset
142 if self.localCheckBox.isChecked():
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
143 args.append("--local")
6342
c79ecba9cde7 pip Interface: changed to use the new VirtualEnv Manager
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parents: 6048
diff changeset
144 if self.requirementsFilePicker.text():
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
145 fileName = Utilities.toNativeSeparators(
6342
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 6048
diff changeset
146 self.requirementsFilePicker.text())
6011
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parents:
diff changeset
147 if os.path.exists(fileName):
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
148 args.append("--requirement")
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
149 args.append(fileName)
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parents:
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150
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
151 QApplication.setOverrideCursor(Qt.WaitCursor)
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parents: 6048
diff changeset
152 success, output = self.__pip.runProcess(args, interpreter)
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153
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
154 if success:
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
155 self.requirementsEdit.setPlainText(output)
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
156 self.__requirementsAvailable = True
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
157 else:
e6af0dcfbb35 Added the pip interface plug-in to the core plug-ins.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
158 self.requirementsEdit.setPlainText(
e6af0dcfbb35 Added the pip interface plug-in to the core plug-ins.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
159 self.tr("No output generated by 'pip freeze'."))
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
160
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
161 QApplication.restoreOverrideCursor()
e6af0dcfbb35 Added the pip interface plug-in to the core plug-ins.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
162 self.__updateButtons()
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
163
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
164 self.__requirementsEdited = False
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
165
e6af0dcfbb35 Added the pip interface plug-in to the core plug-ins.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
166 def __updateButtons(self):
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
167 """
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
168 Private method to set the state of the various buttons.
e6af0dcfbb35 Added the pip interface plug-in to the core plug-ins.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
169 """
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
170 self.saveButton.setEnabled(
e6af0dcfbb35 Added the pip interface plug-in to the core plug-ins.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
171 self.__requirementsAvailable and
6342
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parents: 6048
diff changeset
172 bool(self.requirementsFilePicker.text())
6011
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
173 )
e6af0dcfbb35 Added the pip interface plug-in to the core plug-ins.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
174 self.saveToButton.setEnabled(self.__requirementsAvailable)
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
175 self.copyButton.setEnabled(self.__requirementsAvailable)
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
176
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
177 aw = e5App().getObject("ViewManager").activeWindow()
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
178 if aw and self.__requirementsAvailable:
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
179 self.insertButton.setEnabled(True)
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
180 self.replaceAllButton.setEnabled(True)
e6af0dcfbb35 Added the pip interface plug-in to the core plug-ins.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
181 self.replaceSelectionButton.setEnabled(
e6af0dcfbb35 Added the pip interface plug-in to the core plug-ins.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
182 aw.hasSelectedText())
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
183 else:
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
184 self.insertButton.setEnabled(False)
e6af0dcfbb35 Added the pip interface plug-in to the core plug-ins.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
185 self.replaceAllButton.setEnabled(False)
e6af0dcfbb35 Added the pip interface plug-in to the core plug-ins.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
186 self.replaceSelectionButton.setEnabled(False)
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
187
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
188 def __writeToFile(self, fileName):
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
189 """
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
190 Private method to write the requirements text to a file.
e6af0dcfbb35 Added the pip interface plug-in to the core plug-ins.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
191
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parents: 6048
diff changeset
192 @param fileName name of the file to write to
c79ecba9cde7 pip Interface: changed to use the new VirtualEnv Manager
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parents: 6048
diff changeset
193 @type str
6011
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parents:
diff changeset
194 """
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
195 if os.path.exists(fileName):
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
196 ok = E5MessageBox.warning(
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
197 self,
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
198 self.tr("Generate Requirements"),
e6af0dcfbb35 Added the pip interface plug-in to the core plug-ins.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
199 self.tr("""The file <b>{0}</b> already exists. Do you want"""
e6af0dcfbb35 Added the pip interface plug-in to the core plug-ins.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
200 """ to overwrite it?""").format(fileName))
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
201 if not ok:
e6af0dcfbb35 Added the pip interface plug-in to the core plug-ins.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
202 return
e6af0dcfbb35 Added the pip interface plug-in to the core plug-ins.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
203
e6af0dcfbb35 Added the pip interface plug-in to the core plug-ins.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
204 try:
e6af0dcfbb35 Added the pip interface plug-in to the core plug-ins.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
205 f = open(fileName, "w")
e6af0dcfbb35 Added the pip interface plug-in to the core plug-ins.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
206 f.write(self.requirementsEdit.toPlainText())
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
207 f.close()
e6af0dcfbb35 Added the pip interface plug-in to the core plug-ins.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
208 except (OSError, IOError) as err:
e6af0dcfbb35 Added the pip interface plug-in to the core plug-ins.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
209 E5MessageBox.critical(
e6af0dcfbb35 Added the pip interface plug-in to the core plug-ins.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
210 self,
e6af0dcfbb35 Added the pip interface plug-in to the core plug-ins.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
211 self.tr("Generate Requirements"),
e6af0dcfbb35 Added the pip interface plug-in to the core plug-ins.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
212 self.tr("""<p>The requirements could not be written"""
e6af0dcfbb35 Added the pip interface plug-in to the core plug-ins.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
213 """ to <b>{0}</b>.</p><p>Reason: {1}</p>""")
e6af0dcfbb35 Added the pip interface plug-in to the core plug-ins.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
214 .format(fileName, str(err)))
e6af0dcfbb35 Added the pip interface plug-in to the core plug-ins.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
215
e6af0dcfbb35 Added the pip interface plug-in to the core plug-ins.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
216 @pyqtSlot()
e6af0dcfbb35 Added the pip interface plug-in to the core plug-ins.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
217 def on_saveButton_clicked(self):
e6af0dcfbb35 Added the pip interface plug-in to the core plug-ins.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
218 """
e6af0dcfbb35 Added the pip interface plug-in to the core plug-ins.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
219 Private slot to save the requirements text to the requirements file.
e6af0dcfbb35 Added the pip interface plug-in to the core plug-ins.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
220 """
6342
c79ecba9cde7 pip Interface: changed to use the new VirtualEnv Manager
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parents: 6048
diff changeset
221 fileName = self.requirementsFilePicker.text()
6011
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
222 self.__writeToFile(fileName)
e6af0dcfbb35 Added the pip interface plug-in to the core plug-ins.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
223
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
224 @pyqtSlot()
e6af0dcfbb35 Added the pip interface plug-in to the core plug-ins.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
225 def on_saveToButton_clicked(self):
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
226 """
e6af0dcfbb35 Added the pip interface plug-in to the core plug-ins.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
227 Private slot to write the requirements text to a new file.
e6af0dcfbb35 Added the pip interface plug-in to the core plug-ins.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
228 """
e6af0dcfbb35 Added the pip interface plug-in to the core plug-ins.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
229 fileName, selectedFilter = E5FileDialog.getSaveFileNameAndFilter(
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
230 self,
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
231 self.tr("Generate Requirements"),
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
232 os.path.expanduser("~"),
e6af0dcfbb35 Added the pip interface plug-in to the core plug-ins.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
233 self.tr("Text Files (*.txt);;All Files (*)"),
e6af0dcfbb35 Added the pip interface plug-in to the core plug-ins.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
234 None,
e6af0dcfbb35 Added the pip interface plug-in to the core plug-ins.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
235 E5FileDialog.Options(E5FileDialog.DontConfirmOverwrite)
e6af0dcfbb35 Added the pip interface plug-in to the core plug-ins.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
236 )
e6af0dcfbb35 Added the pip interface plug-in to the core plug-ins.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
237 if fileName:
e6af0dcfbb35 Added the pip interface plug-in to the core plug-ins.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
238 ext = os.path.splitext(fileName)[1]
e6af0dcfbb35 Added the pip interface plug-in to the core plug-ins.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
239 if not ext:
e6af0dcfbb35 Added the pip interface plug-in to the core plug-ins.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
240 ex = selectedFilter.split("(*")[1].split(")")[0]
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
241 if ex:
e6af0dcfbb35 Added the pip interface plug-in to the core plug-ins.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
242 fileName += ex
e6af0dcfbb35 Added the pip interface plug-in to the core plug-ins.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
243 self.__writeToFile(fileName)
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
244
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
245 @pyqtSlot()
e6af0dcfbb35 Added the pip interface plug-in to the core plug-ins.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
246 def on_copyButton_clicked(self):
e6af0dcfbb35 Added the pip interface plug-in to the core plug-ins.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
247 """
e6af0dcfbb35 Added the pip interface plug-in to the core plug-ins.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
248 Private slot to copy the requirements text to the clipboard.
e6af0dcfbb35 Added the pip interface plug-in to the core plug-ins.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
249 """
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
250 txt = self.requirementsEdit.toPlainText()
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
251 cb = QApplication.clipboard()
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
252 cb.setText(txt)
e6af0dcfbb35 Added the pip interface plug-in to the core plug-ins.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
253
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
254 @pyqtSlot()
e6af0dcfbb35 Added the pip interface plug-in to the core plug-ins.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
255 def on_insertButton_clicked(self):
e6af0dcfbb35 Added the pip interface plug-in to the core plug-ins.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
256 """
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
257 Private slot to insert the requirements text at the cursor position
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258 of the current editor.
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259 """
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260 aw = e5App().getObject("ViewManager").activeWindow()
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261 if aw:
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262 aw.beginUndoAction()
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263 aw.insert(self.requirementsEdit.toPlainText())
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264 aw.endUndoAction()
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265
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266 @pyqtSlot()
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267 def on_replaceSelectionButton_clicked(self):
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268 """
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269 Private slot to replace the selected text of the current editor
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270 with the requirements text.
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271 """
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272 aw = e5App().getObject("ViewManager").activeWindow()
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273 if aw:
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274 aw.beginUndoAction()
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275 aw.replaceSelectedText(self.requirementsEdit.toPlainText())
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276 aw.endUndoAction()
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277
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278 @pyqtSlot()
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279 def on_replaceAllButton_clicked(self):
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280 """
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281 Private slot to replace the text of the current editor with the
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282 requirements text.
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283 """
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284 aw = e5App().getObject("ViewManager").activeWindow()
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285 if aw:
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286 aw.setText(self.requirementsEdit.toPlainText())

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