[issue43022] Unable to dynamically load functions from python3.dll

[Eryk Sun]

Eryk Sun <eryksun at gmail.com> added the comment:

I noted that the path to "python3.dll" must be fully qualified. But let me stress that point. You cannot use the relative path "path/to/python3.dll" with LOAD_LIBRARY_SEARCH_DLL_LOAD_DIR. The loader will fail the call as an invalid parameter.

Unlike POSIX, a Windows path that contains slashes may be handled as a relative path in search contexts, if it lacks a drive or leading slash. In the case of LoadLibraryW(L"path/to/python3.dll"), the loader will try to resolve "path/to/python3.dll" against every directory in the DLL search path, which may not even include the current working directory.

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue43022>
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