Mercurial Repositories > eric / file diff

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Plugins/UiExtensionPlugins/PipInterface/PipRequirementsSelectionDialog.py	Sat Dec 09 18:32:08 2017 +0100
@@ -0,0 +1,93 @@
+# -*- coding: utf-8 -*-
+
+# Copyright (c) 2015 - 2017 Detlev Offenbach <detlev@die-offenbachs.de>
+#
+
+
+"""
+Module implementing a dialog to enter a requirements file.
+"""
+
+from __future__ import unicode_literals
+
+import os
+
+from PyQt5.QtCore import pyqtSlot
+from PyQt5.QtWidgets import QDialog, QDialogButtonBox
+
+from E5Gui import E5FileDialog
+
+from .Ui_PipRequirementsSelectionDialog import \
+    Ui_PipRequirementsSelectionDialog
+
+import Utilities
+import UI.PixmapCache
+
+
+class PipRequirementsSelectionDialog(QDialog,
+                                     Ui_PipRequirementsSelectionDialog):
+    """
+    Class implementing a dialog to enter a requirements file.
+    """
+    def __init__(self, plugin, parent=None):
+        """
+        Constructor
+        
+        @param plugin reference to the plugin object (ToolPipPlugin)
+        @param parent reference to the parent widget (QWidget)
+        """
+        super(PipRequirementsSelectionDialog, self).__init__(parent)
+        self.setupUi(self)
+        
+        self.fileButton.setIcon(UI.PixmapCache.getIcon("open.png"))
+        
+        self.buttonBox.button(QDialogButtonBox.Ok).setEnabled(False)
+        
+        self.__default = self.tr("<Default>")
+        pipExecutables = sorted(plugin.getPreferences("PipExecutables"))
+        self.pipComboBox.addItem(self.__default)
+        self.pipComboBox.addItems(pipExecutables)
+        
+        msh = self.minimumSizeHint()
+        self.resize(max(self.width(), msh.width()), msh.height())
+    
+    @pyqtSlot()
+    def on_fileButton_clicked(self):
+        """
+        Private slot to enter the requirements file via a file selection
+        dialog.
+        """
+        fileName = E5FileDialog.getOpenFileName(
+            self,
+            self.tr("Select the requirements file"),
+            self.requirementsEdit.text() or os.path.expanduser("~"),
+            self.tr("Text Files (*.txt);;All Files (*)")
+        )
+        if fileName:
+            self.requirementsEdit.setText(
+                Utilities.toNativeSeparators(fileName))
+    
+    @pyqtSlot(str)
+    def on_requirementsEdit_textChanged(self, txt):
+        """
+        Private slot handling entering the name of a requirements file.
+        
+        @param txt name of the requirements file (string)
+        """
+        self.buttonBox.button(QDialogButtonBox.Ok).setEnabled(
+            bool(txt) and
+            os.path.exists(Utilities.toNativeSeparators(txt))
+        )
+    
+    def getData(self):
+        """
+        Public method to get the entered data.
+        
+        @return tuple with the pip command (string) and the name of the
+            requirements file (string)
+        """
+        command = self.pipComboBox.currentText()
+        if command == self.__default:
+            command = ""
+        
+        return command, self.requirementsEdit.text()