# ------------------------------------------------------------------
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# Copyright (c) 2023 PyInstaller Development Team.
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#
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# This file is distributed under the terms of the GNU General Public
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# License (version 2.0 or later).
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#
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# The full license is available in LICENSE.GPL.txt, distributed with
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# this software.
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#
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# SPDX-License-Identifier: GPL-2.0-or-later
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# ------------------------------------------------------------------
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import os
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from PyInstaller.utils.hooks import logger, isolated
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def find_library():
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try:
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# the import will fail it the library cannot be found
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from pylsl import pylsl
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# the find_liblsl_libraries() is a generator function that yields multiple possibilities
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for libfile in pylsl.find_liblsl_libraries():
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if libfile:
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break
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except (ImportError, ModuleNotFoundError, RuntimeError) as error:
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print(error)
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libfile = None
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return libfile
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# whenever a hook needs to load a 3rd party library, it needs to be done in an isolated subprocess
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libfile = isolated.call(find_library)
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if libfile:
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# add the liblsl library to the binaries
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# it gets packaged in pylsl/lib, which is where pylsl will look first
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binaries = [(libfile, os.path.join('pylsl', 'lib'))]
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else:
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logger.warning("liblsl shared library not found - pylsl will likely fail to work!")
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binaries = []
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