--- a/Plugins/UiExtensionPlugins/PipInterface/PipFreezeDialog.py Sat Feb 16 10:27:50 2019 +0100
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,300 +0,0 @@
-# -*- coding: utf-8 -*-
-
-# Copyright (c) 2015 - 2019 Detlev Offenbach <detlev@die-offenbachs.de>
-#
-
-"""
-Module implementing a dialog to generate a requirements file.
-"""
-
-from __future__ import unicode_literals
-try:
- str = unicode # __IGNORE_EXCEPTION__
-except NameError:
- pass
-
-import os
-
-from PyQt5.QtCore import pyqtSlot, Qt
-from PyQt5.QtWidgets import QDialog, QDialogButtonBox, QAbstractButton, \
- QApplication
-
-from E5Gui import E5MessageBox, E5FileDialog
-from E5Gui.E5PathPicker import E5PathPickerModes
-from E5Gui.E5Application import e5App
-
-from .Ui_PipFreezeDialog import Ui_PipFreezeDialog
-
-import Utilities
-
-
-class PipFreezeDialog(QDialog, Ui_PipFreezeDialog):
- """
- Class implementing a dialog to generate a requirements file.
- """
- def __init__(self, pip, parent=None):
- """
- Constructor
-
- @param pip reference to the master object
- @type Pip
- @param parent reference to the parent widget
- @type QWidget
- """
- super(PipFreezeDialog, self).__init__(parent)
- self.setupUi(self)
- self.setWindowFlags(Qt.Window)
-
- self.__refreshButton = self.buttonBox.addButton(
- self.tr("&Refresh"), QDialogButtonBox.ActionRole)
-
- self.requirementsFilePicker.setMode(E5PathPickerModes.SaveFileMode)
- self.requirementsFilePicker.setFilters(
- self.tr("Text Files (*.txt);;All Files (*)"))
-
- self.__pip = pip
-
- self.venvComboBox.addItem(pip.getDefaultEnvironmentString())
- projectVenv = self.__pip.getProjectEnvironmentString()
- if projectVenv:
- self.venvComboBox.addItem(projectVenv)
- self.venvComboBox.addItems(pip.getVirtualenvNames())
-
- self.__requirementsEdited = False
- self.__requirementsAvailable = False
-
- self.__updateButtons()
-
- def closeEvent(self, e):
- """
- Protected slot implementing a close event handler.
-
- @param e close event
- @type QCloseEvent
- """
- QApplication.restoreOverrideCursor()
- e.accept()
-
- @pyqtSlot(str)
- def on_venvComboBox_activated(self, txt):
- """
- Private slot handling the selection of a virtual environment.
-
- @param txt virtual environment
- @type str
- """
- self.__refresh()
-
- @pyqtSlot(bool)
- def on_localCheckBox_clicked(self, checked):
- """
- Private slot handling the switching of the local mode.
-
- @param checked state of the local check box
- @type bool
- """
- self.__refresh()
-
- @pyqtSlot(str)
- def on_requirementsFilePicker_textChanged(self, txt):
- """
- Private slot handling a change of the requirements file name.
-
- @param txt name of the requirements file
- @type str
- """
- self.__updateButtons()
-
- @pyqtSlot()
- def on_requirementsEdit_textChanged(self):
- """
- Private slot handling changes of the requirements text.
- """
- self.__requirementsEdited = True
-
- @pyqtSlot(QAbstractButton)
- def on_buttonBox_clicked(self, button):
- """
- Private slot called by a button of the button box clicked.
-
- @param button button that was clicked
- @type QAbstractButton
- """
- if button == self.buttonBox.button(QDialogButtonBox.Close):
- self.close()
- elif button == self.__refreshButton:
- self.__refresh()
-
- def __refresh(self):
- """
- Private slot to refresh the displayed list.
- """
- if self.__requirementsEdited:
- ok = E5MessageBox.yesNo(
- self,
- self.tr("Generate Requirements"),
- self.tr("""The requirements were changed. Do you want"""
- """ to overwrite these changes?"""))
- else:
- ok = True
- if ok:
- self.start()
-
- def start(self):
- """
- Public method to start the command.
- """
- self.requirementsEdit.clear()
- self.__requirementsAvailable = False
-
- venvName = self.venvComboBox.currentText()
- interpreter = self.__pip.getVirtualenvInterpreter(venvName)
- if not interpreter:
- return
-
- args = ["-m", "pip", "freeze"]
- if self.localCheckBox.isChecked():
- args.append("--local")
- if self.requirementsFilePicker.text():
- fileName = Utilities.toNativeSeparators(
- self.requirementsFilePicker.text())
- if os.path.exists(fileName):
- args.append("--requirement")
- args.append(fileName)
-
- QApplication.setOverrideCursor(Qt.WaitCursor)
- success, output = self.__pip.runProcess(args, interpreter)
-
- if success:
- self.requirementsEdit.setPlainText(output)
- self.__requirementsAvailable = True
- else:
- self.requirementsEdit.setPlainText(
- self.tr("No output generated by 'pip freeze'."))
-
- QApplication.restoreOverrideCursor()
- self.__updateButtons()
-
- self.__requirementsEdited = False
-
- def __updateButtons(self):
- """
- Private method to set the state of the various buttons.
- """
- self.saveButton.setEnabled(
- self.__requirementsAvailable and
- bool(self.requirementsFilePicker.text())
- )
- self.saveToButton.setEnabled(self.__requirementsAvailable)
- self.copyButton.setEnabled(self.__requirementsAvailable)
-
- aw = e5App().getObject("ViewManager").activeWindow()
- if aw and self.__requirementsAvailable:
- self.insertButton.setEnabled(True)
- self.replaceAllButton.setEnabled(True)
- self.replaceSelectionButton.setEnabled(
- aw.hasSelectedText())
- else:
- self.insertButton.setEnabled(False)
- self.replaceAllButton.setEnabled(False)
- self.replaceSelectionButton.setEnabled(False)
-
- def __writeToFile(self, fileName):
- """
- Private method to write the requirements text to a file.
-
- @param fileName name of the file to write to
- @type str
- """
- if os.path.exists(fileName):
- ok = E5MessageBox.warning(
- self,
- self.tr("Generate Requirements"),
- self.tr("""The file <b>{0}</b> already exists. Do you want"""
- """ to overwrite it?""").format(fileName))
- if not ok:
- return
-
- try:
- f = open(fileName, "w")
- f.write(self.requirementsEdit.toPlainText())
- f.close()
- except (OSError, IOError) as err:
- E5MessageBox.critical(
- self,
- self.tr("Generate Requirements"),
- self.tr("""<p>The requirements could not be written"""
- """ to <b>{0}</b>.</p><p>Reason: {1}</p>""")
- .format(fileName, str(err)))
-
- @pyqtSlot()
- def on_saveButton_clicked(self):
- """
- Private slot to save the requirements text to the requirements file.
- """
- fileName = self.requirementsFilePicker.text()
- self.__writeToFile(fileName)
-
- @pyqtSlot()
- def on_saveToButton_clicked(self):
- """
- Private slot to write the requirements text to a new file.
- """
- fileName, selectedFilter = E5FileDialog.getSaveFileNameAndFilter(
- self,
- self.tr("Generate Requirements"),
- os.path.expanduser("~"),
- self.tr("Text Files (*.txt);;All Files (*)"),
- None,
- E5FileDialog.Options(E5FileDialog.DontConfirmOverwrite)
- )
- if fileName:
- ext = os.path.splitext(fileName)[1]
- if not ext:
- ex = selectedFilter.split("(*")[1].split(")")[0]
- if ex:
- fileName += ex
- self.__writeToFile(fileName)
-
- @pyqtSlot()
- def on_copyButton_clicked(self):
- """
- Private slot to copy the requirements text to the clipboard.
- """
- txt = self.requirementsEdit.toPlainText()
- cb = QApplication.clipboard()
- cb.setText(txt)
-
- @pyqtSlot()
- def on_insertButton_clicked(self):
- """
- Private slot to insert the requirements text at the cursor position
- of the current editor.
- """
- aw = e5App().getObject("ViewManager").activeWindow()
- if aw:
- aw.beginUndoAction()
- aw.insert(self.requirementsEdit.toPlainText())
- aw.endUndoAction()
-
- @pyqtSlot()
- def on_replaceSelectionButton_clicked(self):
- """
- Private slot to replace the selected text of the current editor
- with the requirements text.
- """
- aw = e5App().getObject("ViewManager").activeWindow()
- if aw:
- aw.beginUndoAction()
- aw.replaceSelectedText(self.requirementsEdit.toPlainText())
- aw.endUndoAction()
-
- @pyqtSlot()
- def on_replaceAllButton_clicked(self):
- """
- Private slot to replace the text of the current editor with the
- requirements text.
- """
- aw = e5App().getObject("ViewManager").activeWindow()
- if aw:
- aw.setText(self.requirementsEdit.toPlainText())
