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#!/usr/bin/python3
import os
import re
HERE = os.path.dirname(os.path.abspath(__file__))
BLAKE2 = os.path.join(HERE, 'impl')
PUBLIC_SEARCH = re.compile(r'\ int (blake2[bs]p?[a-z_]*)\(')
def getfiles():
for name in os.listdir(BLAKE2):
name = os.path.join(BLAKE2, name)
if os.path.isfile(name):
yield name
def find_public():
public_funcs = set()
for name in getfiles():
with open(name) as f:
for line in f:
# find public functions
mo = PUBLIC_SEARCH.search(line)
if mo:
public_funcs.add(mo.group(1))
for f in sorted(public_funcs):
print('#define {0:<18} PyBlake2_{0}'.format(f))
return public_funcs
def main():
lines = []
with open(os.path.join(HERE, 'blake2b_impl.c')) as f:
for line in f:
line = line.replace('blake2b', 'blake2s')
line = line.replace('BLAKE2b', 'BLAKE2s')
line = line.replace('BLAKE2B', 'BLAKE2S')
lines.append(line)
with open(os.path.join(HERE, 'blake2s_impl.c'), 'w') as f:
f.write(''.join(lines))
# find_public()
if __name__ == '__main__':
main()
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