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SiggiGue / pyfilterbank

Implementing a fractional octave filterbank for python. Based on Numpy and CFFI.
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OSError on Pycharm #20

Open Lau-W opened 4 years ago

Lau-W commented 4 years ago

Hello, I installed the module and get this when running:

File "/Users/lautaro_wlasenkov/opt/anaconda3/envs/pl-4_6/lib/python3.7/site-packages/pyfilterbank/init.py", line 11, in from . import butterworth File "/Users/lautaro_wlasenkov/opt/anaconda3/envs/pl-4_6/lib/python3.7/site-packages/pyfilterbank/butterworth.py", line 9, in from pyfilterbank.sosfiltering import bilinear_sos File "/Users/lautaro_wlasenkov/opt/anaconda3/envs/pl-4_6/lib/python3.7/site-packages/pyfilterbank/sosfiltering.py", line 74, in _c = ffi.dlopen(_mylibpath) File "/Users/lautaro_wlasenkov/opt/anaconda3/envs/pl-4_6/lib/python3.7/site-packages/cffi/api.py", line 150, in dlopen lib, function_cache = _make_ffi_library(self, name, flags) File "/Users/lautaro_wlasenkov/opt/anaconda3/envs/pl-4_6/lib/python3.7/site-packages/cffi/api.py", line 832, in _make_ffi_library backendlib = _load_backend_lib(backend, libname, flags) File "/Users/lautaro_wlasenkov/opt/anaconda3/envs/pl-4_6/lib/python3.7/site-packages/cffi/api.py", line 827, in _load_backend_lib raise OSError(msg) OSError: cannot load library '/Users/lautaro_wlasenkov/opt/anaconda3/envs/pl-4_6/lib/python3.7/site-packages/pyfilterbank/sosfilt.so': dlopen(/Users/lautaro_wlasenkov/opt/anaconda3/envs/pl-4_6/lib/python3.7/site-packages/pyfilterbank/sosfilt.so, 2): no suitable image found. Did find: /Users/lautaro_wlasenkov/opt/anaconda3/envs/pl-4_6/lib/python3.7/site-packages/pyfilterbank/sosfilt.so: unknown file type, first eight bytes: 0x7F 0x45 0x4C 0x46 0x02 0x01 0x01 0x00 /Users/lautaro_wlasenkov/opt/anaconda3/envs/pl-4_6/lib/python3.7/site-packages/pyfilterbank/sosfilt.so: unknown file type, first eight bytes: 0x7F 0x45 0x4C 0x46 0x02 0x01 0x01 0x00. Additionally, ctypes.util.find_library() did not manage to locate a library called '/Users/lautaro_wlasenkov/opt/anaconda3/envs/pl-4_6/lib/python3.7/site-packages/pyfilterbank/sosfilt.so'

Can you help me?

throni3git commented 4 years ago

As stated in pyfilterbank/sosfiltering.py you can compile the C files. I think this should be fixed maybe by providing a setup.py.

For completeness, i drop the instructions for gcc here (with the correct filenames):

Linux users:

$ gcc -c -std=c99 -O3 sosfilt.c
$ gcc -shared -o sosfilt.so sosfilt.o

Windows users:

$ gcc -c -std=c99 -O3 sosfilt.c
$ gcc -shared -o sosfilt.dll sosfilt.o