eric7/VirtualEnv/VirtualenvConfigurationDialog.py

branch
eric7
changeset 8312
800c432b34c8
parent 8218
7c09585bd960
child 8318
962bce857696
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/eric7/VirtualEnv/VirtualenvConfigurationDialog.py	Sat May 15 18:45:04 2021 +0200
@@ -0,0 +1,581 @@
+# -*- coding: utf-8 -*-
+
+# Copyright (c) 2014 - 2021 Detlev Offenbach <detlev@die-offenbachs.de>
+#
+
+"""
+Module implementing a dialog to enter the parameters for the
+virtual environment.
+"""
+
+import os
+import sys
+import re
+
+from PyQt5.QtCore import pyqtSlot, QProcess, QTimer
+from PyQt5.QtWidgets import QDialog, QDialogButtonBox
+
+from E5Gui.E5PathPicker import E5PathPickerModes
+
+from .Ui_VirtualenvConfigurationDialog import Ui_VirtualenvConfigurationDialog
+
+import Preferences
+import Utilities
+
+import CondaInterface
+
+
+class VirtualenvConfigurationDialog(QDialog, Ui_VirtualenvConfigurationDialog):
+    """
+    Class implementing a dialog to enter the parameters for the
+    virtual environment.
+    """
+    def __init__(self, baseDir="", parent=None):
+        """
+        Constructor
+        
+        @param baseDir base directory for the virtual environments
+        @type str
+        @param parent reference to the parent widget
+        @type QWidget
+        """
+        super().__init__(parent)
+        self.setupUi(self)
+        
+        if not baseDir:
+            baseDir = Utilities.getHomeDir()
+        self.__envBaseDir = baseDir
+        
+        self.targetDirectoryPicker.setMode(E5PathPickerModes.DirectoryMode)
+        self.targetDirectoryPicker.setWindowTitle(
+            self.tr("Virtualenv Target Directory"))
+        self.targetDirectoryPicker.setText(baseDir)
+        self.targetDirectoryPicker.setDefaultDirectory(baseDir)
+        
+        self.extraSearchPathPicker.setMode(E5PathPickerModes.DirectoryMode)
+        self.extraSearchPathPicker.setWindowTitle(
+            self.tr("Extra Search Path for setuptools/pip"))
+        self.extraSearchPathPicker.setDefaultDirectory(Utilities.getHomeDir())
+        
+        self.pythonExecPicker.setMode(E5PathPickerModes.OpenFileMode)
+        self.pythonExecPicker.setWindowTitle(
+            self.tr("Python Interpreter"))
+        self.pythonExecPicker.setDefaultDirectory(
+            sys.executable.replace("w.exe", ".exe"))
+        
+        self.condaTargetDirectoryPicker.setMode(
+            E5PathPickerModes.DirectoryMode)
+        self.condaTargetDirectoryPicker.setWindowTitle(
+            self.tr("Conda Environment Location"))
+        self.condaTargetDirectoryPicker.setDefaultDirectory(
+            Utilities.getHomeDir())
+        
+        self.condaCloneDirectoryPicker.setMode(
+            E5PathPickerModes.DirectoryMode)
+        self.condaCloneDirectoryPicker.setWindowTitle(
+            self.tr("Conda Environment Location"))
+        self.condaCloneDirectoryPicker.setDefaultDirectory(
+            Utilities.getHomeDir())
+        
+        self.condaRequirementsFilePicker.setMode(
+            E5PathPickerModes.OpenFileMode)
+        self.condaRequirementsFilePicker.setWindowTitle(
+            self.tr("Conda Requirements File"))
+        self.condaRequirementsFilePicker.setDefaultDirectory(
+            Utilities.getHomeDir())
+        self.condaRequirementsFilePicker.setFilters(
+            self.tr("Text Files (*.txt);;All Files (*)"))
+        
+        self.__versionRe = re.compile(r""".*?(\d+\.\d+\.\d+).*""")
+        
+        self.__virtualenvFound = False
+        self.__pyvenvFound = False
+        self.__condaFound = False
+        self.buttonBox.button(
+            QDialogButtonBox.StandardButton.Ok).setEnabled(False)
+        
+        self.__mandatoryStyleSheet = "QLineEdit {border: 2px solid;}"
+        self.targetDirectoryPicker.setStyleSheet(self.__mandatoryStyleSheet)
+        self.nameEdit.setStyleSheet(self.__mandatoryStyleSheet)
+        self.condaTargetDirectoryPicker.setStyleSheet(
+            self.__mandatoryStyleSheet)
+        self.condaNameEdit.setStyleSheet(self.__mandatoryStyleSheet)
+        
+        self.__setVirtualenvVersion()
+        self.__setPyvenvVersion()
+        self.__setCondaVersion()
+        if self.__pyvenvFound:
+            self.pyvenvButton.setChecked(True)
+        elif self.__virtualenvFound:
+            self.virtualenvButton.setChecked(True)
+        elif self.__condaFound:
+            self.condaButton.setChecked(True)
+        
+        self.condaInsecureCheckBox.setEnabled(
+            CondaInterface.condaVersion() >= (4, 3, 18))
+        
+        msh = self.minimumSizeHint()
+        self.resize(max(self.width(), msh.width()), msh.height())
+    
+    def __updateOK(self):
+        """
+        Private method to update the enabled status of the OK button.
+        """
+        if self.virtualenvButton.isChecked() or self.pyvenvButton.isChecked():
+            enable = (
+                (self.__virtualenvFound or self.__pyvenvFound) and
+                bool(self.targetDirectoryPicker.text()) and
+                bool(self.nameEdit.text())
+            )
+            enable &= self.targetDirectoryPicker.text() != self.__envBaseDir
+            self.buttonBox.button(
+                QDialogButtonBox.StandardButton.Ok).setEnabled(enable)
+        elif self.condaButton.isChecked():
+            enable = (
+                bool(self.condaNameEdit.text()) or
+                bool(self.condaTargetDirectoryPicker.text())
+            )
+            if self.condaSpecialsGroup.isChecked():
+                if self.condaCloneButton.isChecked():
+                    enable &= (
+                        bool(self.condaCloneNameEdit.text()) or
+                        bool(self.condaCloneDirectoryPicker.text())
+                    )
+                elif self.condaRequirementsButton.isChecked():
+                    enable &= bool(self.condaRequirementsFilePicker.text())
+            self.buttonBox.button(
+                QDialogButtonBox.StandardButton.Ok).setEnabled(enable)
+        else:
+            self.buttonBox.button(
+                QDialogButtonBox.StandardButton.Ok).setEnabled(False)
+    
+    def __updateUi(self):
+        """
+        Private method to update the UI depending on the selected
+        virtual environment creator (virtualenv or pyvenv).
+        """
+        # venv page
+        enable = self.virtualenvButton.isChecked()
+        self.extraSearchPathLabel.setEnabled(enable)
+        self.extraSearchPathPicker.setEnabled(enable)
+        self.promptPrefixLabel.setEnabled(enable)
+        self.promptPrefixEdit.setEnabled(enable)
+        self.verbosityLabel.setEnabled(enable)
+        self.verbositySpinBox.setEnabled(enable)
+        self.versionLabel.setEnabled(enable)
+        self.versionComboBox.setEnabled(enable)
+        self.unzipCheckBox.setEnabled(enable)
+        self.noSetuptoolsCheckBox.setEnabled(enable)
+        self.symlinkCheckBox.setEnabled(not enable)
+        self.upgradeCheckBox.setEnabled(not enable)
+        
+        # conda page
+        enable = not self.condaSpecialsGroup.isChecked()
+        self.condaPackagesEdit.setEnabled(enable)
+        self.condaPythonEdit.setEnabled(enable)
+        self.condaInsecureCheckBox.setEnabled(
+            enable and CondaInterface.condaVersion() >= (4, 3, 18))
+        self.condaDryrunCheckBox.setEnabled(enable)
+        
+        # select page
+        if self.condaButton.isChecked():
+            self.venvStack.setCurrentWidget(self.condaPage)
+        else:
+            self.venvStack.setCurrentWidget(self.venvPage)
+    
+    @pyqtSlot(str)
+    def on_nameEdit_textChanged(self, txt):
+        """
+        Private slot handling a change of the virtual environment name.
+        
+        @param txt name of the virtual environment
+        @type str
+        """
+        self.__updateOK()
+    
+    @pyqtSlot(str)
+    def on_targetDirectoryPicker_textChanged(self, txt):
+        """
+        Private slot handling a change of the target directory.
+        
+        @param txt target directory
+        @type str
+        """
+        self.__updateOK()
+    
+    @pyqtSlot(str)
+    def on_pythonExecPicker_textChanged(self, txt):
+        """
+        Private slot to react to a change of the Python executable.
+        
+        @param txt contents of the picker's line edit
+        @type str
+        """
+        self.__setVirtualenvVersion()
+        self.__setPyvenvVersion()
+        self.__updateOK()
+    
+    @pyqtSlot(bool)
+    def on_virtualenvButton_toggled(self, checked):
+        """
+        Private slot to react to the selection of 'virtualenv'.
+        
+        @param checked state of the checkbox
+        @type bool
+        """
+        self.__updateUi()
+    
+    @pyqtSlot(bool)
+    def on_pyvenvButton_toggled(self, checked):
+        """
+        Private slot to react to the selection of 'pyvenv'.
+        
+        @param checked state of the checkbox
+        @type bool
+        """
+        self.__updateUi()
+    
+    @pyqtSlot(bool)
+    def on_condaButton_toggled(self, checked):
+        """
+        Private slot to react to the selection of 'conda'.
+        
+        @param checked state of the checkbox
+        @type bool
+        """
+        self.__updateUi()
+    
+    @pyqtSlot(str)
+    def on_condaNameEdit_textChanged(self, txt):
+        """
+        Private slot handling a change of the conda environment name.
+        
+        @param txt environment name
+        @type str
+        """
+        self.__updateOK()
+    
+    @pyqtSlot(str)
+    def on_condaTargetDirectoryPicker_textChanged(self, txt):
+        """
+        Private slot handling a change of the conda target directory.
+        
+        @param txt target directory
+        @type str
+        """
+        self.__updateOK()
+    
+    @pyqtSlot()
+    def on_condaSpecialsGroup_clicked(self):
+        """
+        Private slot handling the selection of the specials group.
+        """
+        self.__updateOK()
+        self.__updateUi()
+    
+    @pyqtSlot(str)
+    def on_condaCloneNameEdit_textChanged(self, txt):
+        """
+        Private slot handling a change of the conda source environment name.
+        
+        @param txt name of the environment to be cloned
+        @type str
+        """
+        self.__updateOK()
+    
+    @pyqtSlot(str)
+    def on_condaCloneDirectoryPicker_textChanged(self, txt):
+        """
+        Private slot handling a change of the cloned from directory.
+        
+        @param txt target directory
+        @type str
+        """
+        self.__updateOK()
+    
+    @pyqtSlot()
+    def on_condaCloneButton_clicked(self):
+        """
+        Private slot handling the selection of the clone button.
+        """
+        self.__updateOK()
+    
+    @pyqtSlot()
+    def on_condaRequirementsButton_clicked(self):
+        """
+        Private slot handling the selection of the requirements button.
+        """
+        self.__updateOK()
+    
+    @pyqtSlot(str)
+    def on_condaRequirementsFilePicker_textChanged(self, txt):
+        """
+        Private slot handling a change of the requirements file entry.
+        
+        @param txt current text of the requirements file entry
+        @type str
+        """
+        self.__updateOK()
+    
+    def __setVirtualenvVersion(self):
+        """
+        Private method to determine the virtualenv version and set the
+        respective label.
+        """
+        calls = [
+            (sys.executable.replace("w.exe", ".exe"),
+             ["-m", "virtualenv", "--version"]),
+            ("virtualenv", ["--version"]),
+        ]
+        if self.pythonExecPicker.text():
+            calls.append((self.pythonExecPicker.text(),
+                          ["-m", "virtualenv", "--version"]))
+        
+        proc = QProcess()
+        for prog, args in calls:
+            proc.start(prog, args)
+            
+            if not proc.waitForStarted(5000):
+                # try next entry
+                continue
+            
+            if not proc.waitForFinished(5000):
+                # process hangs, kill it
+                QTimer.singleShot(2000, proc.kill)
+                proc.waitForFinished(3000)
+                version = self.tr('<virtualenv did not finish within 5s.>')
+                self.__virtualenvFound = False
+                break
+            
+            if proc.exitCode() != 0:
+                # returned with error code, try next
+                continue
+            
+            output = str(proc.readAllStandardOutput(),
+                         Preferences.getSystem("IOEncoding"),
+                         'replace').strip()
+            match = re.match(self.__versionRe, output)
+            if match:
+                self.__virtualenvFound = True
+                version = match.group(1)
+                break
+        else:
+            self.__virtualenvFound = False
+            version = self.tr('<No suitable virtualenv found.>')
+        
+        self.virtualenvButton.setText(self.tr(
+            "virtualenv Version: {0}".format(version)))
+        self.virtualenvButton.setEnabled(self.__virtualenvFound)
+        if not self.__virtualenvFound:
+            self.virtualenvButton.setChecked(False)
+    
+    def __setPyvenvVersion(self):
+        """
+        Private method to determine the pyvenv version and set the respective
+        label.
+        """
+        calls = []
+        if self.pythonExecPicker.text():
+            calls.append((self.pythonExecPicker.text(),
+                          ["-m", "venv"]))
+        calls.extend([
+            (sys.executable.replace("w.exe", ".exe"),
+             ["-m", "venv"]),
+            ("python3", ["-m", "venv"]),
+            ("python", ["-m", "venv"]),
+        ])
+        
+        proc = QProcess()
+        for prog, args in calls:
+            proc.start(prog, args)
+            
+            if not proc.waitForStarted(5000):
+                # try next entry
+                continue
+            
+            if not proc.waitForFinished(5000):
+                # process hangs, kill it
+                QTimer.singleShot(2000, proc.kill)
+                proc.waitForFinished(3000)
+                version = self.tr('<pyvenv did not finish within 5s.>')
+                self.__pyvenvFound = False
+                break
+            
+            if proc.exitCode() not in [0, 2]:
+                # returned with error code, try next
+                continue
+            
+            proc.start(prog, ["--version"])
+            proc.waitForFinished(5000)
+            output = str(proc.readAllStandardOutput(),
+                         Preferences.getSystem("IOEncoding"),
+                         'replace').strip()
+            match = re.match(self.__versionRe, output)
+            if match:
+                self.__pyvenvFound = True
+                version = match.group(1)
+                break
+        else:
+            self.__pyvenvFound = False
+            version = self.tr('<No suitable pyvenv found.>')
+        
+        self.pyvenvButton.setText(self.tr(
+            "pyvenv Version: {0}".format(version)))
+        self.pyvenvButton.setEnabled(self.__pyvenvFound)
+        if not self.__pyvenvFound:
+            self.pyvenvButton.setChecked(False)
+    
+    def __setCondaVersion(self):
+        """
+        Private method to determine the conda version and set the respective
+        label.
+        """
+        self.__condaFound = bool(CondaInterface.condaVersion())
+        self.condaButton.setText(self.tr(
+            "conda Version: {0}".format(CondaInterface.condaVersionStr())))
+        self.condaButton.setEnabled(self.__condaFound)
+        if not self.__condaFound:
+            self.condaButton.setChecked(False)
+    
+    def __generateTargetDir(self):
+        """
+        Private method to generate a valid target directory path.
+        
+        @return target directory path
+        @rtype str
+        """
+        targetDirectory = Utilities.toNativeSeparators(
+            self.targetDirectoryPicker.text())
+        if not os.path.isabs(targetDirectory):
+            targetDirectory = os.path.join(os.path.expanduser("~"),
+                                           targetDirectory)
+        return targetDirectory
+    
+    def __generateArguments(self):
+        """
+        Private method to generate the process arguments.
+        
+        @return process arguments
+        @rtype list of str
+        """
+        args = []
+        if self.condaButton.isChecked():
+            if bool(self.condaNameEdit.text()):
+                args.extend(["--name", self.condaNameEdit.text()])
+            if bool(self.condaTargetDirectoryPicker.text()):
+                args.extend(["--prefix",
+                             self.condaTargetDirectoryPicker.text()])
+            if self.condaSpecialsGroup.isChecked():
+                if self.condaCloneButton.isChecked():
+                    if bool(self.condaCloneNameEdit.text()):
+                        args.extend(
+                            ["--clone", self.condaCloneNameEdit.text()]
+                        )
+                    elif bool(self.condaCloneDirectoryPicker.text()):
+                        args.extend(["--clone",
+                                     self.condaCloneDirectoryPicker.text()])
+                elif self.condaRequirementsButton.isChecked():
+                    args.extend(
+                        ["--file", self.condaRequirementsFilePicker.text()]
+                    )
+            if self.condaInsecureCheckBox.isChecked():
+                args.append("--insecure")
+            if self.condaDryrunCheckBox.isChecked():
+                args.append("--dry-run")
+            if not self.condaSpecialsGroup.isChecked():
+                if bool(self.condaPythonEdit.text()):
+                    args.append("python={0}".format(
+                        self.condaPythonEdit.text()))
+                if bool(self.condaPackagesEdit.text()):
+                    args.extend(self.condaPackagesEdit.text().split())
+        else:
+            if self.virtualenvButton.isChecked():
+                if self.extraSearchPathPicker.text():
+                    args.append("--extra-search-dir={0}".format(
+                        Utilities.toNativeSeparators(
+                            self.extraSearchPathPicker.text())))
+                if self.promptPrefixEdit.text():
+                    args.append("--prompt={0}".format(
+                        self.promptPrefixEdit.text().replace(" ", "_")))
+                if self.pythonExecPicker.text():
+                    args.append("--python={0}".format(
+                        Utilities.toNativeSeparators(
+                            self.pythonExecPicker.text())))
+                elif self.versionComboBox.currentText():
+                    args.append("--python=python{0}".format(
+                        self.versionComboBox.currentText()))
+                if self.verbositySpinBox.value() == 1:
+                    args.append("--verbose")
+                elif self.verbositySpinBox.value() == -1:
+                    args.append("--quiet")
+                if self.clearCheckBox.isChecked():
+                    args.append("--clear")
+                if self.systemCheckBox.isChecked():
+                    args.append("--system-site-packages")
+                if self.unzipCheckBox.isChecked():
+                    args.append("--unzip-setuptools")
+                if self.noSetuptoolsCheckBox.isChecked():
+                    args.append("--no-setuptools")
+                if self.noPipCcheckBox.isChecked():
+                    args.append("--no-pip")
+                if self.copyCheckBox.isChecked():
+                    args.append("--always-copy")
+            elif self.pyvenvButton.isChecked():
+                if self.clearCheckBox.isChecked():
+                    args.append("--clear")
+                if self.systemCheckBox.isChecked():
+                    args.append("--system-site-packages")
+                if self.noPipCcheckBox.isChecked():
+                    args.append("--without-pip")
+                if self.copyCheckBox.isChecked():
+                    args.append("--copies")
+                if self.symlinkCheckBox.isChecked():
+                    args.append("--symlinks")
+                if self.upgradeCheckBox.isChecked():
+                    args.append("--upgrade")
+            targetDirectory = self.__generateTargetDir()
+            args.append(targetDirectory)
+        
+        return args
+
+    def getData(self):
+        """
+        Public method to retrieve the dialog data.
+        
+        @return dictionary containing the data for the two environment
+            variants. The keys for both variants are 'arguments' containing the
+            command line arguments, 'logicalName' containing the environment
+            name to be used with the virtual env manager and 'envType'
+            containing the environment type (virtualenv, pyvenv or conda). The
+            virtualenv/pyvenv specific keys are 'openTarget' containg a flag to
+            open the target directory after creation, 'createLog' containing a
+            flag to write a log file, 'createScript' containing a flag to write
+            a script, 'targetDirectory' containing the target directory and
+            'pythonExe' containing the Python interpreter to be used. The
+            conda specific key is 'command' giving the conda command to be
+            executed (always 'create').
+        @rtype dict
+        """
+        args = self.__generateArguments()
+        resultDict = {
+            "arguments": args,
+            "logicalName": self.nameEdit.text(),
+        }
+        if self.condaButton.isChecked():
+            resultDict.update({
+                "envType": "conda",
+                "command": "create",
+            })
+        else:
+            resultDict.update({
+                "envType": ("pyvenv" if self.pyvenvButton.isChecked() else
+                            "virtualenv"),
+                "openTarget": self.openCheckBox.isChecked(),
+                "createLog": self.logCheckBox.isChecked(),
+                "createScript": self.scriptCheckBox.isChecked(),
+                "targetDirectory": self.__generateTargetDir(),
+                "pythonExe": Utilities.toNativeSeparators(
+                    self.pythonExecPicker.text()),
+            })
+        
+        return resultDict

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