This takes the form of one-or-more python files collected in a Python package called pylsl.Įverything that uses labstreaminglayer in some way, including liblsl-Python (the project containing pylsl), needs a copy of the compiled liblsl library.
liblsl-Python is an interface to liblsl, or what we might call a "wrapper". Hi, it would be good to know where you went astray so we could update the documentation to be clearer.Īs Tristan mentioned, liblsl and liblsl-Python are different things. You can download the correct LSL library for your platform from the liblsl releases page assets: RuntimeError: liblsl library '/Users/admin/opt/anaconda3/envs/psychopy/lib/python3.6/site-packages/pylsl/lib/liblsl.dylib' found but could not be loaded - possible platform/architecture mismatch. Raise RuntimeError(err_msg + "\n " + _dload_msg) pylsl import IRREGULAR_RATE, DEDUCED_TIMESTAMP, FOREVER, cf_float32,įile "/Users/admin/opt/anaconda3/envs/psychopy/lib/python3.6/site-packages/pylsl/pylsl.py", line 1281, in In /Users/admin/opt/anaconda3/envs/psychopy/lib/python3.6/site-packages/pylsl/lib/liblsl.dylibĭuring handling of the above exception, another exception occurred:įile "/Users/admin/opt/anaconda3/envs/psychopy/lib/python3.6/site-packages/pylsl/ init.py", line 2, inįrom. Referenced from: /Users/admin/opt/anaconda3/envs/psychopy/lib/python3.6/site-packages/pylsl/lib/liblsl.dylib (which was built for Mac OS X 10.15) OSError: dlopen(/Users/admin/opt/anaconda3/envs/psychopy/lib/python3.6/site-packages/pylsl/lib/liblsl.dylib, 6): Symbol not found: _chkstk_darwin I tried downloading and building the 1.13.1 release with the macOS10.13 precompiled code but I get an egg error that I was unable to solve (see attached file), I think there might be a setup.py file missing? Finally I downloaded the zip from github and tried to follow the readthedocs guide but it doesn't seem to work for version 1.13 which doesn't have a cmakefilelist or setup files.Ĭould you please point me to where there are high sierra compatible files, or a guide on how to build from the 1.13 release?įile "/Users/admin/opt/anaconda3/envs/psychopy/lib/python3.6/site-packages/pylsl/pylsl.py", line 1267, inįile "/Users/admin/opt/anaconda3/envs/psychopy/lib/python3.6/ctypes/ init.py", line 348, in init This is a known macOS compatibility issue as pre 10.15 versions can not work with _chkstk_darwin. 
I successfully installed pylsl via pip but when running import pylsl I got the error below. I am using conda with python 3.6.12 on macOS 10.13.6 (high sierra).
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