--- a/Plugins/UiExtensionPlugins/VirtualenvInterface/VirtualenvExecDialog.py Sat Jun 09 12:09:21 2018 +0200
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,306 +0,0 @@
-# -*- coding: utf-8 -*-
-
-# Copyright (c) 2014 - 2018 Detlev Offenbach <detlev@die-offenbachs.de>
-#
-
-"""
-Module implementing the virtualenv execution dialog.
-"""
-
-from __future__ import unicode_literals
-try:
- str = unicode
-except NameError:
- pass
-
-import sys
-import os
-
-from PyQt5.QtCore import QProcess, QTimer, QUrl
-from PyQt5.QtGui import QDesktopServices
-from PyQt5.QtWidgets import QDialog, QDialogButtonBox
-
-from .Ui_VirtualenvExecDialog import Ui_VirtualenvExecDialog
-
-import Preferences
-from Globals import isWindowsPlatform
-
-
-class VirtualenvExecDialog(QDialog, Ui_VirtualenvExecDialog):
- """
- Class implementing the virtualenv execution dialog.
-
- This class starts a QProcess and displays a dialog that
- shows the output of the virtualenv or pyvenv process.
- """
- def __init__(self, pyvenv, targetDir, openTarget, createLog, createScript,
- interpreter, parent=None):
- """
- Constructor
-
- @param pyvenv flag indicating the use of 'pyvenv' (boolean)
- @param targetDir name of the virtualenv directory (string)
- @param openTarget flag indicating to open the virtualenv directory
- in a file manager (boolean)
- @param createLog flag indicating to create a log file of the
- creation process (boolean)
- @param createScript flag indicating to create a script to recreate
- the virtual environment (boolean)
- @param interpreter name of the python interpreter to use (string)
- @param parent reference to the parent widget (QWidget)
- """
- super(VirtualenvExecDialog, self).__init__(parent)
- self.setupUi(self)
-
- self.buttonBox.button(QDialogButtonBox.Close).setEnabled(False)
- self.buttonBox.button(QDialogButtonBox.Cancel).setDefault(True)
-
- self.__pyvenv = pyvenv
- self.__targetDir = targetDir
- self.__openTarget = openTarget
- self.__createLog = createLog
- self.__createScript = createScript
-
- self.process = None
- self.__cmd = ""
-
- if pyvenv:
- self.__calls = []
- if interpreter:
- self.__calls.append((interpreter, ["-m", "venv"]))
- self.__calls.extend([
- (sys.executable.replace("w.exe", ".exe"),
- ["-m", "venv"]),
- ("python3", ["-m", "venv"]),
- ("python", ["-m", "venv"]),
- ])
- else:
- self.__calls = [
- (sys.executable.replace("w.exe", ".exe"),
- ["-m", "virtualenv"]),
- ("virtualenv", []),
- ]
- self.__callIndex = 0
- self.__callArgs = []
-
- def start(self, arguments):
- """
- Public slot to start the virtualenv command.
-
- @param arguments commandline arguments for virtualenv/pyvenv program
- (list of strings)
- """
- if self.__callIndex == 0:
- # first attempt, add a given python interpreter and do
- # some other setup
- self.errorGroup.hide()
- self.contents.clear()
- self.errors.clear()
-
- self.process = QProcess()
- self.process.readyReadStandardOutput.connect(self.__readStdout)
- self.process.readyReadStandardError.connect(self.__readStderr)
- self.process.finished.connect(self.__finish)
-
- if not self.__pyvenv:
- for arg in arguments:
- if arg.startswith("--python="):
- prog = arg.replace("--python=", "")
- self.__calls.insert(
- 0, (prog, ["-m", "virtualenv"]))
- break
- self.__callArgs = arguments
-
- prog, args = self.__calls[self.__callIndex]
- args.extend(self.__callArgs)
- self.__cmd = "{0} {1}".format(prog, " ".join(args))
- self.__logOutput(self.tr("Executing: {0}\n").format(
- self.__cmd))
- self.process.start(prog, args)
- procStarted = self.process.waitForStarted(5000)
- if not procStarted:
- self.__logOutput(self.tr("Failed\n\n"))
- self.__nextAttempt()
-
- def on_buttonBox_clicked(self, button):
- """
- Private slot called by a button of the button box clicked.
-
- @param button button that was clicked (QAbstractButton)
- """
- if button == self.buttonBox.button(QDialogButtonBox.Close):
- self.accept()
- elif button == self.buttonBox.button(QDialogButtonBox.Cancel):
- self.__finish()
-
- def __finish(self, exitCode, exitStatus, giveUp=False):
- """
- Private slot called when the process finished.
-
- It is called when the process finished or
- the user pressed the button.
-
- @param exitCode exit code of the process (integer)
- @param exitStatus exit status of the process (QProcess.ExitStatus)
- @keyparam giveUp flag indicating to not start another attempt (boolean)
- """
- if self.process is not None and \
- self.process.state() != QProcess.NotRunning:
- self.process.terminate()
- QTimer.singleShot(2000, self.process.kill)
- self.process.waitForFinished(3000)
-
- self.buttonBox.button(QDialogButtonBox.Close).setEnabled(True)
- self.buttonBox.button(QDialogButtonBox.Cancel).setEnabled(False)
- self.buttonBox.button(QDialogButtonBox.Close).setDefault(True)
-
- if not giveUp:
- if exitCode != 0:
- self.__logOutput(self.tr("Failed\n\n"))
- if len(self.errors.toPlainText().splitlines()) == 1:
- self.errors.clear()
- self.errorGroup.hide()
- self.__nextAttempt()
- return
-
- self.process = None
-
- if self.__pyvenv:
- self.__logOutput(self.tr('\npyvenv finished.\n'))
- else:
- self.__logOutput(self.tr('\nvirtualenv finished.\n'))
-
- if os.path.exists(self.__targetDir):
- if self.__createScript:
- self.__writeScriptFile()
-
- if self.__createLog:
- self.__writeLogFile()
-
- if self.__openTarget:
- QDesktopServices.openUrl(QUrl.fromLocalFile(
- self.__targetDir))
-
- def __nextAttempt(self):
- """
- Private method to start another attempt.
- """
- self.__callIndex += 1
- if self.__callIndex < len(self.__calls):
- self.start(self.__callArgs)
- else:
- if self.__pyvenv:
- self.__logError(
- self.tr('No suitable pyvenv program could be'
- ' started.\n'))
- else:
- self.__logError(
- self.tr('No suitable virtualenv program could be'
- ' started.\n'))
- self.__cmd = ""
- self.__finish(0, 0, giveUp=True)
-
- def __readStdout(self):
- """
- Private slot to handle the readyReadStandardOutput signal.
-
- It reads the output of the process, formats it and inserts it into
- the contents pane.
- """
- self.process.setReadChannel(QProcess.StandardOutput)
-
- while self.process.canReadLine():
- s = str(self.process.readLine(),
- Preferences.getSystem("IOEncoding"),
- 'replace')
- self.__logOutput(s)
-
- def __readStderr(self):
- """
- Private slot to handle the readyReadStandardError signal.
-
- It reads the error output of the process and inserts it into the
- error pane.
- """
- self.process.setReadChannel(QProcess.StandardError)
-
- while self.process.canReadLine():
- s = str(self.process.readLine(),
- Preferences.getSystem("IOEncoding"),
- 'replace')
- self.__logError(s)
-
- def __logOutput(self, s):
- """
- Private method to log some output.
-
- @param s output sstring to log (string)
- """
- self.contents.insertPlainText(s)
- self.contents.ensureCursorVisible()
-
- def __logError(self, s):
- """
- Private method to log an error.
-
- @param s error string to log (string)
- """
- self.errorGroup.show()
- self.errors.insertPlainText(s)
- self.errors.ensureCursorVisible()
-
- def __writeLogFile(self):
- """
- Private method to write a log file to the virtualenv directory.
- """
- outtxt = self.contents.toPlainText()
- if self.__pyvenv:
- logFile = os.path.join(self.__targetDir, "pyvenv.log")
- else:
- logFile = os.path.join(self.__targetDir, "virtualenv.log")
- self.__logOutput(self.tr("\nWriting log file '{0}'.\n")
- .format(logFile))
-
- try:
- f = open(logFile, "w", encoding="utf-8")
- f.write(self.tr("Output:\n"))
- f.write(outtxt)
- errtxt = self.errors.toPlainText()
- if errtxt:
- f.write("\n")
- f.write(self.tr("Errors:\n"))
- f.write(errtxt)
- f.close()
- except (IOError, OSError) as err:
- self.__logError(
- self.tr("""The logfile '{0}' could not be written.\n"""
- """Reason: {1}\n""").format(logFile, str(err)))
- self.__logOutput(self.tr("Done.\n"))
-
- def __writeScriptFile(self):
- """
- Private method to write a script file to the virtualenv directory.
- """
- if self.__pyvenv:
- basename = "create_pyvenv"
- else:
- basename = "create_virtualenv"
- if isWindowsPlatform():
- script = os.path.join(self.__targetDir, basename + ".bat")
- txt = self.__cmd
- else:
- script = os.path.join(self.__targetDir, basename + ".sh")
- txt = "#!/usr/bin/env sh\n\n" + self.__cmd
-
- self.__logOutput(self.tr("\nWriting script file '{0}'.\n")
- .format(script))
-
- try:
- f = open(script, "w", encoding="utf-8")
- f.write(txt)
- f.close()
- except (IOError, OSError) as err:
- self.__logError(
- self.tr("""The script file '{0}' could not be written.\n"""
- """Reason: {1}\n""").format(script, str(err)))
- self.__logOutput(self.tr("Done.\n"))
