Refine to make run as an Addon correctly

Author: chennes

InitGui.py

@@ -1,13 +1,12 @@
 # SPDX-License-Identifier: LGPL-2.1-or-later
 
-# InitGui.py is run automatically by FreeCAD during the GUI initialization process
+# InitGui.py is run automatically by FreeCAD during the GUI initialization process by reading the
+# file into memory and running `exec` on its contents (so __file__ is not defined directly).
 
 import os
 import AddonManager
 
-if __file__:
-    FreeCADGui.addLanguagePath(os.path.join(os.path.dirname(__file__), "Resources", "translations"))
-else:
-    FreeCAD.Console.Warning("__file__ not defined, cannot set language path\n")
-
+FreeCADGui.addLanguagePath(
+    os.path.join(os.path.dirname(AddonManager.__file__), "Resources", "translations")
+)
 FreeCADGui.addCommand("Std_AddonMgr", AddonManager.CommandAddonManager())

addonmanager_freecad_interface.py

@@ -38,6 +38,7 @@
 
 try:
     import FreeCAD
+    from freecad.utils import get_python_exe
 
     if not hasattr(FreeCAD, "Console"):
         raise ImportError("Unrecognized FreeCAD version")
@@ -51,7 +52,6 @@
     translate = FreeCAD.Qt.translate
     loadUi = None
     GuiUp = FreeCAD.GuiUp
-    get_python_exe = FreeCAD.get_python_exe
 
     if GuiUp:
         import FreeCADGui

addonmanager_macro_parser.py

@@ -28,7 +28,9 @@
 
 import io
 import re
-from typing import Any, Tuple, Optional
+from typing import Any, Tuple
+
+import addonmanager_freecad_interface as fci
 
 try:
     from PySide import QtCore
@@ -71,7 +73,6 @@ def __init__(self, name: str, code: str = ""):
             "xpm": "",
         }
         self.remaining_item_map = {}
-        self.console = None if FreeCAD is None else fci.Console
         self.current_thread = DummyThread() if QtCore is None else QtCore.QThread.currentThread()
         if code:
             self.fill_details_from_code(code)
@@ -114,10 +115,7 @@ def fill_details_from_code(self, code: str) -> None:
                 self._process_line(line, content_lines)
             except SyntaxError as e:
                 err_string = f"Syntax error when parsing macro {self.name}:\n{str(e)}"
-                if self.console:
-                    self.console.PrintWarning(err_string)
-                else:
-                    print(err_string)
+                fci.Console.PrintWarning(err_string)
 
     def _process_line(self, line: str, content_lines: io.StringIO):
         """Given a single line of the macro file, see if it matches one of our items,