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Fix Python CFFI error LNK2001: unresolved external symbol PyInit__… #20

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d866ba3
Fix Python CFFI error LNK2001: unresolved external symbol PyInit__…
Feb 2, 2023
62bb743
fix Library lookup for windows environments
Feb 3, 2023
1ca1ee3
Update README.md
freshNfunky Feb 3, 2023
66eddd9
Update README.md
freshNfunky Feb 3, 2023
8bbad85
Update README.md
freshNfunky Feb 3, 2023
57d7be9
Update README.md
freshNfunky Feb 3, 2023
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freshNfunky Feb 3, 2023
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11 changes: 11 additions & 0 deletions README.md
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@@ -1,3 +1,14 @@
------------------------------
patched by: \
Felix Schaller \
(c) 2023 felixschaller.com \

######################################################################### \

WARNING: this patch solves the "fix Python CFFI error LNK2001: unresolved external symbol PyInit__…" compile problem. But it yet requires an interface fpr python. For more Info see the Documention here: https://docs.python.org/3/extending/building.html and here: https://www.codeproject.com/articles/820116/embedding-python-program-in-a-c-cplusplus-code

######################################################################### \

# pyrtools: tools for multi-scale image processing

[![PyPI Version](https://img.shields.io/pypi/v/pyrtools.svg)](https://pypi.org/project/pyrtools/)
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5 changes: 5 additions & 0 deletions pyrtools/Windows.c
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@@ -0,0 +1,5 @@
/**
* This contains hacks to get the installation on Windows working.
* This fixes error LNK2001: unresolved external symbol PyInit__cv_algorithms
*/
void PyInit_wrapConv(void) { }
2 changes: 1 addition & 1 deletion pyrtools/pyramids/c/wrapper.py
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Expand Up @@ -9,7 +9,7 @@

# the wrapConv.so file can have some system information after it from the compiler, so we just find
# whatever it is called
libpath = glob.glob(os.path.join(os.path.dirname(os.path.realpath(__file__)), 'wrapConv*.so'))
libpath = glob.glob(os.path.join(os.path.dirname(os.path.realpath(__file__)), 'wrapConv*.*'))
# print(libpath)

# load the c library
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3 changes: 2 additions & 1 deletion setup.py
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Expand Up @@ -11,6 +11,7 @@
pyrtools_version_spec.loader.exec_module(pyrtools_version_module)
VERSION = pyrtools_version_module.version

platform_src = ["pyrtools/windows.c"] if os.name == 'nt' else []

setup(
name='pyrtools',
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sources=['pyrtools/pyramids/c/convolve.c',
'pyrtools/pyramids/c/edges.c',
'pyrtools/pyramids/c/wrap.c',
'pyrtools/pyramids/c/internal_pointOp.c'],
'pyrtools/pyramids/c/internal_pointOp.c'] + platform_src,
depends=['pyrtools/pyramids/c/convolve.h',
'pyrtools/pyramids/c/internal_pointOp.h'],
extra_compile_args=['-fPIC', '-shared'])],
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