[issue43022] Unable to dynamically load functions from python3.dll
Paul Moore
report at bugs.python.org
Mon Jan 25 14:02:16 EST 2021
Paul Moore <p.f.moore at gmail.com> added the comment:
Thinking about what you said, "the loader waits to load it until first accessed via GetProcAddress()" did you mean by that, that the following code should work:
h = LoadLibraryW(L"some/path/to/python3.dll")
py_main = GetProcAddress(h, "Py_Main")
(with some/path/to/python39.dll being loaded on the second line)? Because if so, then that's what doesn't work for me.
Or are you suggesting that I do
AddDllDirectoryW(L"some/path/to");
h = LoadLibraryW(L"python3.dll");
py_main = GetProcAddress(h, "Py_Main");
Because I didn't think to try that - and I'm not 100% sure how I'd have to do stuff like LOAD_LIBRARY_SEARCH_USER_DIRS and/or SetDefaultDllDirectories to make that work. I find the Microsoft docs on all of this really complex and hard to follow if you're a non-expert :-(
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<https://bugs.python.org/issue43022>
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