oxedyne/fe2o3 — fe2o3_text/tests/detect

988 bytes, 1 run

created by r1870400018:12034, which is this file's identity for as long as the history lasts, whatever it is later renamed to

1	#!/usr/bin/env python3
2
3	import argparse
4	import hashlib
5	import sys
6
7
8	def hash_file(path, algorithm='sha256'):
9	h = hashlib.new(algorithm)
10	with open(path, 'rb') as f:
11	while True:
12	chunk = f.read(8192)
13	if not chunk:
14	break
15	h.update(chunk)
16	return h.hexdigest()
17
18
19	def main():
20	parser = argparse.ArgumentParser(description='hash files')
21	parser.add_argument('files', nargs='+', help='files to hash')
22	parser.add_argument('--algorithm', default='sha256',
23	choices=['md5', 'sha1', 'sha256', 'sha512'])
24	args = parser.parse_args()
25
26	for path in args.files:
27	try:
28	digest = hash_file(path, args.algorithm)
29	print(f"{digest} {path}")
30	except FileNotFoundError:
31	print(f"not found: {path}", file=sys.stderr)
32	except PermissionError:
33	print(f"permission denied: {path}", file=sys.stderr)
34
35
36	if __name__ == '__main__':
37	main()