diff -r 59d1c0f80286 -r c4110b8b5931 eric6/Project/UserProjectFile.py
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/eric6/Project/UserProjectFile.py Mon Jan 25 20:07:51 2021 +0100
@@ -0,0 +1,112 @@
+# -*- coding: utf-8 -*-
+
+# Copyright (c) 2021 Detlev Offenbach <detlev@die-offenbachs.de>
+#
+
+"""
+Module implementing a class representing the user project JSON file.
+"""
+
+import json
+import os
+import time
+import typing
+
+from PyQt5.QtCore import QObject
+
+from E5Gui import E5MessageBox
+from E5Gui.E5OverrideCursor import E5OverridenCursor
+
+import Preferences
+
+Project = typing.Type["Project"]
+
+
+class UserProjectFile(QObject):
+ """
+ Class representing the user project JSON file.
+ """
+ def __init__(self, project: Project, parent: QObject = None):
+ """
+ Constructor
+
+ @param project reference to the project object
+ @type Project
+ @param parent reference to the parent object
+ @type QObject (optional)
+ """
+ super(UserProjectFile, self).__init__(parent)
+ self.__project = project
+
+ def writeFile(self, filename: str) -> bool:
+ """
+ Public method to write the user project data to a user project
+ JSON file.
+
+ @param filename name of the user project file
+ @type str
+ @return flag indicating a successful write
+ @rtype bool
+ """
+ name = os.path.splitext(os.path.basename(filename))[0]
+
+ userProjectDict = {}
+ userProjectDict["header"] = {
+ "comment": f"eric user project file for project {name}",
+ }
+
+ # TODO: replace 'XMLTimestamp' by 'Timestamp'
+ if Preferences.getProject("XMLTimestamp"):
+ userProjectDict["header"]["saved"] = (
+ time.strftime('%Y-%m-%d, %H:%M:%S')
+ )
+
+ userProjectDict["user_data"] = self.__project.pudata
+
+ try:
+ jsonString = json.dumps(userProjectDict, indent=2)
+ with open(filename, "w") as f:
+ f.write(jsonString)
+ except (TypeError, EnvironmentError) as err:
+ with E5OverridenCursor():
+ E5MessageBox.critical(
+ None,
+ self.tr("Save User Project Properties"),
+ self.tr(
+ "<p>The user specific project properties file"
+ " <b>{0}</b> could not be written.</p>"
+ "<p>Reason: {1}</p>"
+ ).format(filename, str(err))
+ )
+ return False
+
+ return True
+
+ def readFile(self, filename: str) -> bool:
+ """
+ Public method to read the user project data from a user project
+ JSON file.
+
+ @param filename name of the project file
+ @type str
+ @return flag indicating a successful read
+ @rtype bool
+ """
+ try:
+ with open(filename, "r") as f:
+ jsonString = f.read()
+ userProjectDict = json.loads(jsonString)
+ except (EnvironmentError, json.JSONDecodeError) as err:
+ E5MessageBox.critical(
+ None,
+ self.tr("Read User Project Properties"),
+ self.tr(
+ "<p>The user specific project properties file <b>{0}</b>"
+ " could not be read.</p><p>Reason: {1}</p>"
+ ).format(filename, str(err))
+ )
+ return False
+
+ self.__project.pudata = userProjectDict["user_data"]
+
+ return True
