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32 lines
775 B
32 lines
775 B
import os
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from collections import namedtuple
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from cffi import FFI
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here = os.path.dirname(os.path.abspath(__file__))
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Source = namedtuple('Source', ('h', 'include'))
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def _mk_ffi(sources, name='_libsecp256k1', **kwargs):
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_ffi = FFI()
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code = []
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for source in sources:
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with open(os.path.join(here, source.h), 'rt') as h:
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_ffi.cdef(h.read())
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code.append(source.include)
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code.append('#define PY_USE_BUNDLED')
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_ffi.set_source(name, '\n'.join(code), **kwargs)
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return _ffi
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modules = [
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Source('secp256k1.h', '#include <secp256k1.h>'),
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Source('secp256k1_ecdh.h', '#include <secp256k1_ecdh.h>'),
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Source('secp256k1_recovery.h', '#include <secp256k1_recovery.h>'),
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]
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ffi = _mk_ffi(modules, libraries=['secp256k1'])
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