Building for 32-bit Python 3.6 #1104
Replies: 1 comment 9 replies
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Hi, Python 3.8 is only required for debugging and developing the library. The final wheels that are deployed to pypi are actually built on AppVeyor and they use the python versions installed on their runners. We need to (but haven't yet) written similar build scripts for users and developers to build wheels locally. What OS is the callstack from? |
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BTW, I've figured the crash is caused by some thread-state is not set correctly. python36!tupledealloc(struct PyTupleObject * op = 0x020c7f70)+0x4a
239 652d91d1 8b1d54a14d65 mov ebx,dword ptr [python36!_PyThreadState_Current (654da154)]
239 652d91d7 895dfc mov dword ptr [ebp-4],ebx
239 652d91da 8b4358 mov eax,dword ptr [ebx+58h] ds:002b:00000058=????????
239 652d91dd 83f832 cmp eax,32h
239 652d91e0 0f8dd2000000 jge python36!tupledealloc+0x128 (652d92b8)
239 652d91e6 40 inc eax
239 652d91e7 894358 mov dword ptr [ebx+58h],eax << !! crashIn Python > 3.6, |
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But with this it all seems to work just fine: --- a/DearPyGui/src/core/Modules/mvModule_DearPyGui.cpp 2021-07-22 15:54:03
+++ b/DearPyGui/src/core/Modules/mvModule_DearPyGui.cpp 2021-07-23 15:14:24
@@ -104,6 +104,10 @@
};
PyObject* m;
+ PyEval_InitThreads();
PymvBufferType.tp_new = PyType_GenericNew;
if (PyType_Ready(&PymvBufferType) < 0)
return NULL;Go figure?! |
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Oh yeah. I remember they made it so that you don't have to call |
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Yes! For what Python did they do that? |
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The project title says:
A fast and powerful Graphical User Interface Toolkit for Python with minimal dependencies
But it seems the bundled CPython 3.8 is required for this cool project. And in 64-bit mode (?).
Not what I'd call minimal dependencies.
So I cooked up a GNU-makefile to build it all with MSVC and/or clang-cl, 32-bit. Besides
a ton of warnings from clang-cl, the
PureImGui.exeprogram runs fine, but theDearSandbox.exeandany Python-script does not.
So when building everything for
_DEBUG-mode (option-MDd), I at-least get some sensible call-stacks.Running this:
crashes at a NULL-ptr read (
edx=00000000):And this call-stack:
I do not have the .c-files for Python 3.6, but the last point before the crash is at
mvModule_DearPyGui.cpp, line 108:Anybody have a clue as to where the problem can be?
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