--- a/src/eric7/VirtualEnv/VirtualenvUpgradeExecDialog.py Wed Jul 13 11:16:20 2022 +0200
+++ b/src/eric7/VirtualEnv/VirtualenvUpgradeExecDialog.py Wed Jul 13 14:55:47 2022 +0200
@@ -22,11 +22,11 @@
"""
Class implementing the virtualenv upgrade execution dialog.
"""
- def __init__(self, venvName, interpreter, createLog, venvManager,
- parent=None):
+
+ def __init__(self, venvName, interpreter, createLog, venvManager, parent=None):
"""
Constructor
-
+
@param venvName name of the virtual environment to be upgraded
@type str
@param interpreter interpreter to be used for the upgrade
@@ -40,35 +40,35 @@
"""
super().__init__(parent)
self.setupUi(self)
-
- self.buttonBox.button(
- QDialogButtonBox.StandardButton.Close).setEnabled(False)
- self.buttonBox.button(
- QDialogButtonBox.StandardButton.Cancel).setDefault(True)
-
+
+ self.buttonBox.button(QDialogButtonBox.StandardButton.Close).setEnabled(False)
+ self.buttonBox.button(QDialogButtonBox.StandardButton.Cancel).setDefault(True)
+
self.__process = None
self.__cmd = ""
-
+
self.__progs = []
if interpreter:
self.__progs.append(interpreter)
- self.__progs.extend([
- getPythonExecutable(),
- "python3",
- "python",
- ])
+ self.__progs.extend(
+ [
+ getPythonExecutable(),
+ "python3",
+ "python",
+ ]
+ )
self.__callIndex = 0
self.__callArgs = []
-
+
self.__venvName = venvName
self.__venvDirectory = ""
self.__createLog = createLog
self.__manager = venvManager
-
+
def start(self, arguments):
"""
Public slot to start the virtualenv command.
-
+
@param arguments commandline arguments for virtualenv/pyvenv program
(list of strings)
"""
@@ -78,66 +78,58 @@
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)
-
+
self.__callArgs = arguments
self.__venvDirectory = arguments[-1]
-
+
prog = self.__progs[self.__callIndex]
self.__cmd = "{0} {1}".format(prog, " ".join(arguments))
- self.__logOutput(self.tr("Executing: {0}\n").format(
- self.__cmd))
+ self.__logOutput(self.tr("Executing: {0}\n").format(self.__cmd))
self.__process.start(prog, arguments)
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.StandardButton.Close
- ):
+ if button == self.buttonBox.button(QDialogButtonBox.StandardButton.Close):
self.accept()
- elif button == self.buttonBox.button(
- QDialogButtonBox.StandardButton.Cancel
- ):
+ elif button == self.buttonBox.button(QDialogButtonBox.StandardButton.Cancel):
self.__finish(0, 0, giveUp=True)
-
+
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)
@param giveUp flag indicating to not start another attempt (boolean)
"""
if (
- self.__process is not None and
- self.__process.state() != QProcess.ProcessState.NotRunning
+ self.__process is not None
+ and self.__process.state() != QProcess.ProcessState.NotRunning
):
self.__process.terminate()
QTimer.singleShot(2000, self.__process.kill)
self.__process.waitForFinished(3000)
-
- self.buttonBox.button(
- QDialogButtonBox.StandardButton.Close).setEnabled(True)
- self.buttonBox.button(
- QDialogButtonBox.StandardButton.Cancel).setEnabled(False)
- self.buttonBox.button(
- QDialogButtonBox.StandardButton.Close).setDefault(True)
-
+
+ self.buttonBox.button(QDialogButtonBox.StandardButton.Close).setEnabled(True)
+ self.buttonBox.button(QDialogButtonBox.StandardButton.Cancel).setEnabled(False)
+ self.buttonBox.button(QDialogButtonBox.StandardButton.Close).setDefault(True)
+
if not giveUp:
if exitCode != 0:
self.__logOutput(self.tr("Failed\n\n"))
@@ -146,16 +138,16 @@
self.errorGroup.hide()
self.__nextAttempt()
return
-
+
self.__process = None
-
- self.__logOutput(self.tr('\npyvenv finished.\n'))
-
+
+ self.__logOutput(self.tr("\npyvenv finished.\n"))
+
if self.__createLog:
self.__writeLogFile()
-
+
self.__changeVirtualEnvironmentInterpreter()
-
+
def __nextAttempt(self):
"""
Private method to start another attempt.
@@ -165,69 +157,72 @@
self.start(self.__callArgs)
else:
self.__logError(
- self.tr('No suitable pyvenv program could be'
- ' started.\n'))
+ self.tr("No suitable pyvenv 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.ProcessChannel.StandardOutput)
-
+
while self.__process.canReadLine():
- s = str(self.__process.readLine(),
- Preferences.getSystem("IOEncoding"),
- 'replace')
+ 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.ProcessChannel.StandardError)
-
+
while self.__process.canReadLine():
- s = str(self.__process.readLine(),
- Preferences.getSystem("IOEncoding"),
- 'replace')
+ 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 string 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()
logFile = os.path.join(self.__venvDirectory, "pyvenv_upgrade.log")
- self.__logOutput(self.tr("\nWriting log file '{0}'.\n")
- .format(logFile))
-
+ self.__logOutput(self.tr("\nWriting log file '{0}'.\n").format(logFile))
+
try:
with open(logFile, "w", encoding="utf-8") as f:
f.write(self.tr("Output:\n"))
@@ -239,25 +234,27 @@
f.write(errtxt)
except OSError as err:
self.__logError(
- self.tr("""The logfile '{0}' could not be written.\n"""
- """Reason: {1}\n""").format(logFile, str(err)))
+ self.tr(
+ """The logfile '{0}' could not be written.\n""" """Reason: {1}\n"""
+ ).format(logFile, str(err))
+ )
self.__logOutput(self.tr("Done.\n"))
-
+
def __changeVirtualEnvironmentInterpreter(self):
"""
Private method to change the interpreter of the upgraded virtual
environment.
"""
from .VirtualenvInterpreterSelectionDialog import (
- VirtualenvInterpreterSelectionDialog
+ VirtualenvInterpreterSelectionDialog,
)
-
+
venvInterpreter = ""
dlg = VirtualenvInterpreterSelectionDialog(
- self.__venvName, self.__venvDirectory)
+ self.__venvName, self.__venvDirectory
+ )
if dlg.exec() == QDialog.DialogCode.Accepted:
venvInterpreter = dlg.getData()
-
+
if venvInterpreter:
- self.__manager.setVirtualEnvInterpreter(
- self.__venvName, venvInterpreter)
+ self.__manager.setVirtualEnvInterpreter(self.__venvName, venvInterpreter)
