Mercurial Repositories > eric / file comparison
comparison: VirtualEnv/VirtualenvManager.py
VirtualEnv/VirtualenvManager.py
- changeset 6337
- c6af560e0039
- child 6338
- 104ee21d765d
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| 6336:a04ac8bd014b | 6337:c6af560e0039 |
|---|---|
| 1 # -*- coding: utf-8 -*- | |
| 2 | |
| 3 # Copyright (c) 2018 Detlev Offenbach <detlev@die-offenbachs.de> | |
| 4 # | |
| 5 | |
| 6 """ | |
| 7 Module implementing a class to manage Python virtual environments. | |
| 8 """ | |
| 9 | |
| 10 from __future__ import unicode_literals | |
| 11 | |
| 12 import os | |
| 13 import sys | |
| 14 import shutil | |
| 15 | |
| 16 from PyQt5.QtCore import pyqtSlot, QObject | |
| 17 from PyQt5.QtWidgets import QDialog | |
| 18 | |
| 19 from E5Gui import E5MessageBox | |
| 20 | |
| 21 import Preferences | |
| 22 | |
| 23 | |
| 24 class VirtualenvManager(QObject): | |
| 25 """ | |
| 26 Class implementing an object to manage Python virtual environments. | |
| 27 """ | |
| 28 def __init__(self, parent=None): | |
| 29 """ | |
| 30 Constructor | |
| 31 | |
| 32 @param parent reference to the parent object | |
| 33 @type QWidget | |
| 34 """ | |
| 35 super(VirtualenvManager, self).__init__(parent) | |
| 36 | |
| 37 self.__ui = parent | |
| 38 | |
| 39 self.__virtualEnvironments = {} | |
| 40 self.__virtualEnvironmentInterpreters = {} | |
| 41 environments = Preferences.toDict(Preferences.Prefs.settings.value( | |
| 42 "PyVenv/Environments", {})) | |
| 43 interpreters = Preferences.toDict(Preferences.Prefs.settings.value( | |
| 44 "PyVenv/Interpreters", {})) | |
| 45 for venvName, venvExe in interpreters.items(): | |
| 46 # remove all environments, that don't exist anymore | |
| 47 if os.access(venvExe, os.X_OK): | |
| 48 self.__virtualEnvironmentInterpreters[venvName] = venvExe | |
| 49 self.__virtualEnvironments[venvName] = environments[venvName] | |
| 50 | |
| 51 defaultPy = sys.executable.replace("w.exe", ".exe") | |
| 52 if defaultPy not in self.__virtualEnvironmentInterpreters.values(): | |
| 53 self.__virtualEnvironmentInterpreters["<default>"] = defaultPy | |
| 54 self.__virtualEnvironments["<default>"] = "" | |
| 55 | |
| 56 self.__updateSettings() | |
| 57 | |
| 58 def __updateSettings(self): | |
| 59 """ | |
| 60 Private slot to save the virtual environments. | |
| 61 """ | |
| 62 Preferences.Prefs.settings.setValue( | |
| 63 "PyVenv/Environments", self.__virtualEnvironments) | |
| 64 Preferences.Prefs.settings.setValue( | |
| 65 "PyVenv/Interpreters", self.__virtualEnvironmentInterpreters) | |
| 66 | |
| 67 @pyqtSlot() | |
| 68 def createVirtualEnv(self): | |
| 69 """ | |
| 70 Public slot to create a new virtual environment. | |
| 71 """ | |
| 72 from .VirtualenvConfigurationDialog import \ | |
| 73 VirtualenvConfigurationDialog | |
| 74 | |
| 75 dlg = VirtualenvConfigurationDialog() | |
| 76 if dlg.exec_() == QDialog.Accepted: | |
| 77 (pyvenv, args, name, openTarget, createLog, createScript, | |
| 78 targetDir, interpreter) = dlg.getData() | |
| 79 | |
| 80 # now do the call | |
| 81 from .VirtualenvExecDialog import VirtualenvExecDialog | |
| 82 dia = VirtualenvExecDialog(pyvenv, targetDir, name, openTarget, | |
| 83 createLog, createScript, interpreter, | |
| 84 self) | |
| 85 dia.show() | |
| 86 dia.start(args) | |
| 87 dia.exec_() | |
| 88 | |
| 89 def addVirtualEnv(self, venvName, venvDirectory): | |
| 90 """ | |
| 91 Public method to add a virtual environment. | |
| 92 | |
| 93 @param venvName logical name for the virtual environment | |
| 94 @type str | |
| 95 @param venvDirectory directory of the virtual envoronment | |
| 96 @type str | |
| 97 """ | |
| 98 if venvName in self.__virtualEnvironments: | |
| 99 ok = E5MessageBox.yesNo( | |
| 100 None, | |
| 101 self.tr("Add Virtual Environment"), | |
| 102 self.tr("""A virtual environment named <b>{0}</b> exists""" | |
| 103 """ already. Shall it be replaced?""") | |
| 104 .format(venvName), | |
| 105 icon=E5MessageBox.Warning) | |
| 106 if not ok: | |
| 107 return | |
| 108 | |
| 109 from .VirtualenvInterpreterSelectionDialog import \ | |
| 110 VirtualenvInterpreterSelectionDialog | |
| 111 dlg = VirtualenvInterpreterSelectionDialog(venvName, venvDirectory) | |
| 112 if dlg.exec_() == QDialog.Accepted: | |
| 113 venvExe = dlg.getData() | |
| 114 self.__virtualEnvironmentInterpreters[venvName] = venvExe | |
| 115 self.__virtualEnvironments[venvName] = venvDirectory | |
| 116 | |
| 117 self.__updateSettings() | |
| 118 | |
| 119 def deleteVirtualEnv(self, venvName): | |
| 120 """ | |
| 121 Public method to delete a virtual environment from disk. | |
| 122 | |
| 123 @param venvName logical name for the virtual environment | |
| 124 @type str | |
| 125 """ | |
| 126 if venvName in self.__virtualEnvironments: | |
| 127 ok = E5MessageBox.yesNo( | |
| 128 None, | |
| 129 self.tr("Delete Virtual Environment"), | |
| 130 self.tr("""Do you really want to delete the virtual""" | |
| 131 """ environment <b>{0}</b>?<br>Path: {1}""") | |
| 132 .format(venvName, self.__virtualEnvironments[venvName])) | |
| 133 if ok: | |
| 134 shutil.rmtree(self.__virtualEnvironments[venvName], True) | |
| 135 del self.__virtualEnvironments[venvName] | |
| 136 del self.__virtualEnvironmentInterpreters[venvName] | |
| 137 | |
| 138 self.__updateSettings() |
