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35 lines
958 B
35 lines
958 B
import os
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import platform
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from cffi import FFI
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TEMPLATE_DIR = os.path.abspath(os.path.join(os.path.dirname(__file__), '..', 'templates'))
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def write_code(folder, name, code, header):
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if not os.path.exists(folder):
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os.mkdir(folder)
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with open(os.path.join(folder, f"{name}.cpp"), 'w', encoding='utf-8') as f:
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f.write(code)
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with open(os.path.join(folder, f"{name}.h"), 'w', encoding='utf-8') as f:
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f.write(header)
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def load_code(folder, name):
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shared_ext = "dylib" if platform.system() == "Darwin" else "so"
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shared_fn = os.path.join(folder, f"lib{name}.{shared_ext}")
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header_fn = os.path.join(folder, f"{name}.h")
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with open(header_fn, encoding='utf-8') as f:
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header = f.read()
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# is the only thing that can be parsed by cffi
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header = "\n".join([line for line in header.split("\n") if line.startswith("void ")])
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ffi = FFI()
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ffi.cdef(header)
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return (ffi, ffi.dlopen(shared_fn))
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class KalmanError(Exception):
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pass
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