Importing FreeCAD as a module in a normal Python interpreter (e.g. /usr/bin/python3) stopped working with Python 3.12 (but works normally with Python 3.11). When executing "import FreeCAD as App", the interpreter crashes with "Fatal Python error: PyImport_AppendInittab: PyImport_AppendInittab() may not be called after Py_Initialize()".
The check that causes the error message and abortion was introduced in Python 3.12 via
7f3a4b967c
(and a typo in the error message fixed via)
35dd55005e
When executing FreeCAD in interactive console-mode, the init-script tries
to load readline for a better input experience and enables tab-completion.
This code is neither executed when running in GUI mode, nor when the
console is not itneractive, e.g. when reading a script from stdin.
Note that readline is not available on Windows, so we ignore import errors
for now. With pyreadline3 there may be an alternative for Windows, but I
cannot verify this on my setup.
Improves the use of the ShapeAppearance property for the Part workbench.
removes DiffuseColor property
adds Python compatibility using custom attributes
transitions DiffuseColor to ShapeAppearance on open
Improved UI elements for setting object appearance, and appearance per face
Lays the foundation for future texture support
In v0.22 a version number -1 is added to the material files to distinguish between old and new project file.
But v0.21 doesn't know about this version number and interprets it as number of elements instead.
Because this value is assigned to an unsigned type the value becomes 2**32 - 1. Now trying to create a container of this size requires > 280 GB
of RAM. On most systems FreeCAD new handler will jump in and raises a memory exception to stop the allocation. But an other systems with
plenty of RAM it's tried to allocate the memory and then may crash at some point.
This PR fixes this regression. It puts the version number to the MaterialList XML element as an optional attribute.
With this change FreeCAD v0.22 is still able to load projects that have been created prior to this change.
Additionally FreeCAD v0.21 can again load project files without crashing.
For more details see: https://forum.freecad.org/viewtopic.php?t=87268
* Fixed a mistake made in getSubObjectListFlatten()
* Applied modifications according to review comments
Signed-off-by: CalligaroV <vincenzo.calligaro@gmail.com>
* Formatted and refactored code imported for the DocumentObject class
* Formatted and refactored code imported for the SubObjectT class
Signed-off-by: CalligaroV <vincenzo.calligaro@gmail.com>
* Added test for SubObjectT::hasSubObject()
* Added test for SubObjectT::hasSubElement()
* Added test for SubObjectT::normalize()
* Added test for SubObjectT::normalized()
Signed-off-by: CalligaroV <vincenzo.calligaro@gmail.com>
* Added SubObjectT methods normalize(), normalized(), hasSubObject() and hasSubElement()
* Updated DocumentObject::getSubObjectList()
* Applied modifications to make the code compile
