Mercurial Repositories > eric / file comparison
comparison: eric7/VirtualEnv/VirtualenvUpgradeConfigurationDialog.py
eric7/VirtualEnv/VirtualenvUpgradeConfigurationDialog.py
- branch
- eric7
- changeset 9144
- 135240382a3e
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| 9143:82f08c4fd930 | 9144:135240382a3e |
|---|---|
| 1 # -*- coding: utf-8 -*- | |
| 2 | |
| 3 # Copyright (c) 2022 Detlev Offenbach <detlev@die-offenbachs.de> | |
| 4 # | |
| 5 | |
| 6 """ | |
| 7 Module implementing a dialog to enter the virtual environment upgrade | |
| 8 parameters. | |
| 9 """ | |
| 10 | |
| 11 import re | |
| 12 | |
| 13 from PyQt6.QtCore import pyqtSlot, QProcess, QTimer | |
| 14 from PyQt6.QtWidgets import QDialog, QDialogButtonBox | |
| 15 | |
| 16 from EricWidgets.EricPathPicker import EricPathPickerModes | |
| 17 | |
| 18 from .Ui_VirtualenvUpgradeConfigurationDialog import ( | |
| 19 Ui_VirtualenvUpgradeConfigurationDialog | |
| 20 ) | |
| 21 | |
| 22 import Globals | |
| 23 import Preferences | |
| 24 import Utilities | |
| 25 | |
| 26 | |
| 27 class VirtualenvUpgradeConfigurationDialog( | |
| 28 QDialog, Ui_VirtualenvUpgradeConfigurationDialog | |
| 29 ): | |
| 30 """ | |
| 31 Class implementing a dialog to enter the virtual environment upgrade | |
| 32 parameters. | |
| 33 """ | |
| 34 def __init__(self, envName, envPath, parent=None): | |
| 35 """ | |
| 36 Constructor | |
| 37 | |
| 38 @param envName name of the environment to be upgraded | |
| 39 @type str | |
| 40 @param envPath directory of the environment to be upgraded | |
| 41 @type str | |
| 42 @param parent reference to the parent widget (defaults to None) | |
| 43 @type QWidget (optional) | |
| 44 """ | |
| 45 super().__init__(parent) | |
| 46 self.setupUi(self) | |
| 47 | |
| 48 self.pythonExecPicker.setMode(EricPathPickerModes.OPEN_FILE_MODE) | |
| 49 self.pythonExecPicker.setWindowTitle( | |
| 50 self.tr("Python Interpreter")) | |
| 51 self.pythonExecPicker.setDefaultDirectory( | |
| 52 Globals.getPythonExecutable()) | |
| 53 | |
| 54 self.envNameLabel.setText(envName) | |
| 55 self.envDirectoryLabel.setText(envPath) | |
| 56 | |
| 57 self.__versionRe = re.compile(r""".*?(\d+\.\d+\.\d+).*""") | |
| 58 | |
| 59 self.upgradePythonCheckBox.toggled.connect(self.__updateOkButton) | |
| 60 self.upgradeDepsCheckBox.toggled.connect(self.__updateOkButton) | |
| 61 self.pythonExecPicker.textChanged.connect( | |
| 62 self.__updateUpgradeDepsCheckBox) | |
| 63 | |
| 64 self.__updateUpgradeDepsCheckBox() | |
| 65 | |
| 66 msh = self.minimumSizeHint() | |
| 67 self.resize(max(self.width(), msh.width()), msh.height()) | |
| 68 | |
| 69 def __getPyvenvVersion(self): | |
| 70 """ | |
| 71 Private method to determine the version of the venv module. | |
| 72 | |
| 73 @return tuple containing the venv modules version | |
| 74 @rtype tuple of (int, int, int) | |
| 75 """ | |
| 76 calls = [] | |
| 77 if self.pythonExecPicker.text(): | |
| 78 calls.append((self.pythonExecPicker.text(), | |
| 79 ["-m", "venv"])) | |
| 80 calls.extend([ | |
| 81 (Globals.getPythonExecutable(), ["-m", "venv"]), | |
| 82 ("python3", ["-m", "venv"]), | |
| 83 ("python", ["-m", "venv"]), | |
| 84 ]) | |
| 85 | |
| 86 proc = QProcess() | |
| 87 for prog, args in calls: | |
| 88 proc.start(prog, args) | |
| 89 | |
| 90 if not proc.waitForStarted(5000): | |
| 91 # try next entry | |
| 92 continue | |
| 93 | |
| 94 if not proc.waitForFinished(5000): | |
| 95 # process hangs, kill it and try next entry | |
| 96 QTimer.singleShot(2000, proc.kill) | |
| 97 proc.waitForFinished(3000) | |
| 98 continue | |
| 99 | |
| 100 if proc.exitCode() not in [0, 2]: | |
| 101 # returned with error code, try next | |
| 102 continue | |
| 103 | |
| 104 proc.start(prog, ["--version"]) | |
| 105 proc.waitForFinished(5000) | |
| 106 output = str(proc.readAllStandardOutput(), | |
| 107 Preferences.getSystem("IOEncoding"), | |
| 108 'replace').strip() | |
| 109 match = re.match(self.__versionRe, output) | |
| 110 if match: | |
| 111 return Globals.versionToTuple(match.group(1)) | |
| 112 | |
| 113 return (0, 0, 0) # dummy version tuple | |
| 114 | |
| 115 @pyqtSlot() | |
| 116 def __updateUpgradeDepsCheckBox(self): | |
| 117 """ | |
| 118 Private slot to set the enabled state of the button depending | |
| 119 on the version of the given Python interpreter. | |
| 120 """ | |
| 121 pyvenvVersion = self.__getPyvenvVersion() | |
| 122 if pyvenvVersion >= (3, 9, 0): | |
| 123 self.upgradeDepsCheckBox.setEnabled(True) | |
| 124 else: | |
| 125 self.upgradeDepsCheckBox.setEnabled(False) | |
| 126 self.upgradeDepsCheckBox.setChecked(False) | |
| 127 | |
| 128 @pyqtSlot() | |
| 129 def __updateOkButton(self): | |
| 130 """ | |
| 131 Private slot to set the enabled state of the OK button. | |
| 132 """ | |
| 133 self.buttonBox.button(QDialogButtonBox.StandardButton.Ok).setEnabled( | |
| 134 self.upgradePythonCheckBox.isChecked() or | |
| 135 self.upgradeDepsCheckBox.isChecked() | |
| 136 ) | |
| 137 | |
| 138 def getData(self): | |
| 139 """ | |
| 140 Public method to retrieve the dialog data. | |
| 141 | |
| 142 @return tuple containing the selected python executable, the list of | |
| 143 arguments and a flag indicating to write a log file | |
| 144 @rtype tuple of (str, list of str, bool) | |
| 145 """ | |
| 146 args = ["-m", "venv"] | |
| 147 if self.upgradePythonCheckBox.isChecked(): | |
| 148 args.append("--upgrade") | |
| 149 if self.upgradeDepsCheckBox.isChecked(): | |
| 150 args.append("--upgrade-deps") | |
| 151 args.append(self.envDirectoryLabel.text()) | |
| 152 | |
| 153 return ( | |
| 154 Utilities.toNativeSeparators(self.pythonExecPicker.text()), | |
| 155 args, | |
| 156 self.logCheckBox.isChecked(), | |
| 157 ) |
