eric6/Preferences/ConfigurationPages/PythonPage.py

# -*- coding: utf-8 -*-

# Copyright (c) 2006 - 2021 Detlev Offenbach <detlev@die-offenbachs.de>
#

"""
Module implementing the Python configuration page.
"""

from PyQt5.QtCore import pyqtSlot

from .ConfigurationPageBase import ConfigurationPageBase
from .Ui_PythonPage import Ui_PythonPage

import Preferences
from Utilities import supportedCodecs


class PythonPage(ConfigurationPageBase, Ui_PythonPage):
    """
    Class implementing the Python configuration page.
    """
    def __init__(self):
        """
        Constructor
        """
        super().__init__()
        self.setupUi(self)
        self.setObjectName("PythonPage")
        
        self.stringEncodingComboBox.addItems(sorted(supportedCodecs))
        self.ioEncodingComboBox.addItems(sorted(supportedCodecs))
        
        # set initial values
        index = self.stringEncodingComboBox.findText(
            Preferences.getSystem("StringEncoding"))
        self.stringEncodingComboBox.setCurrentIndex(index)
        index = self.ioEncodingComboBox.findText(
            Preferences.getSystem("IOEncoding"))
        self.ioEncodingComboBox.setCurrentIndex(index)
        
        self.showCodeInfoDetailsCeckBox.setChecked(
            Preferences.getPython("DisViewerExpandCodeInfoDetails"))
        
        # these are the same as in the debugger pages
        self.py3ExtensionsEdit.setText(
            Preferences.getDebugger("Python3Extensions"))
        
        self.py3EnvironmentEdit.setText(
            Preferences.getDebugger("Python3VirtualEnv"))
        
        # colours
        self.initColour("ASTViewerErrorColor",
                        self.astErrorItemButton,
                        Preferences.getPython)
        self.initColour("DisViewerErrorColor",
                        self.disErrorItemButton,
                        Preferences.getPython)
        self.initColour("DisViewerCurrentColor",
                        self.disCurrentInstructionButton,
                        Preferences.getPython)
        self.initColour("DisViewerLabeledColor",
                        self.disLabeledInstructionButton,
                        Preferences.getPython)
    
    def save(self):
        """
        Public slot to save the Python configuration.
        """
        enc = self.stringEncodingComboBox.currentText()
        if not enc:
            enc = "utf-8"
        Preferences.setSystem("StringEncoding", enc)
        
        enc = self.ioEncodingComboBox.currentText()
        if not enc:
            enc = "utf-8"
        Preferences.setSystem("IOEncoding", enc)
        
        Preferences.setDebugger(
            "Python3Extensions",
            self.py3ExtensionsEdit.text())
        
        Preferences.setPython(
            "DisViewerExpandCodeInfoDetails",
            self.showCodeInfoDetailsCeckBox.isChecked())
        
        # colours
        self.saveColours(Preferences.setPython)
    
    @pyqtSlot()
    def on_refreshButton_clicked(self):
        """
        Private slot handling a click of the refresh button.
        """
        self.py3EnvironmentEdit.setText(
            Preferences.getDebugger("Python3VirtualEnv"))
    

def create(dlg):
    """
    Module function to create the configuration page.
    
    @param dlg reference to the configuration dialog
    @return reference to the instantiated page (ConfigurationPageBase)
    """
    page = PythonPage()
    return page