Mercurial > hg
view tests/md5sum.py @ 46976:f9482db16cef
errors: introduce a class for remote errors
Having an exception for remote errors makes it much easier to exit
with the right detailed exit code.
Differential Revision: https://phab.mercurial-scm.org/D10466
author | Martin von Zweigbergk <martinvonz@google.com> |
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date | Mon, 19 Apr 2021 09:37:01 -0700 |
parents | c102b704edb5 |
children | 6000f5b25c9b |
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#!/usr/bin/env python3 # # Based on python's Tools/scripts/md5sum.py # # This software may be used and distributed according to the terms # of the PYTHON SOFTWARE FOUNDATION LICENSE VERSION 2, which is # GPL-compatible. from __future__ import absolute_import import hashlib import os import sys try: import msvcrt msvcrt.setmode(sys.stdout.fileno(), os.O_BINARY) msvcrt.setmode(sys.stderr.fileno(), os.O_BINARY) except ImportError: pass for filename in sys.argv[1:]: try: fp = open(filename, 'rb') except IOError as msg: sys.stderr.write('%s: Can\'t open: %s\n' % (filename, msg)) sys.exit(1) m = hashlib.md5() try: for data in iter(lambda: fp.read(8192), b''): m.update(data) except IOError as msg: sys.stderr.write('%s: I/O error: %s\n' % (filename, msg)) sys.exit(1) sys.stdout.write('%s %s\n' % (m.hexdigest(), filename)) sys.exit(0)