Mercurial > hg
view contrib/memory.py @ 40672:557d3509da55
tests: make test-alias.t pass with re2
Locally, these "non-ASCII character in alias" errors don't show up,
though I get them when the alias is defined at the command line rather
than in an hgrc.
The brokenness comes from the fact that hgrcs are parsed with regexes,
and re/re2 differ in this way:
$ python -c 'import re; print(re.compile("(.*)").match("aaa\xc0bbbb").groups())'
('aaa\xc0bbbb',)
$ python -c 'import re2; print(re2.compile("(.*)").match("aaa\xc0bbbb").groups())'
('aaa',)
Apparently re2 stops when it encounters invalid utf8 (which I suppose makes sense
given that '.' matches what appears to be a codepoint rather than a byte). This is
presumably a bug in hg, but not very important, so just change the test to stick
to valid utf8.
Differential Revision: https://phab.mercurial-scm.org/D5288
author | Valentin Gatien-Baron <vgatien-baron@janestreet.com> |
---|---|
date | Mon, 19 Nov 2018 13:40:03 -0500 |
parents | de5c9d0e02ea |
children | 2372284d9457 |
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# memory.py - track memory usage # # Copyright 2009 Matt Mackall <mpm@selenic.com> and others # # This software may be used and distributed according to the terms of the # GNU General Public License version 2 or any later version. '''helper extension to measure memory usage Reads current and peak memory usage from ``/proc/self/status`` and prints it to ``stderr`` on exit. ''' from __future__ import absolute_import def memusage(ui): """Report memory usage of the current process.""" result = {'peak': 0, 'rss': 0} with open('/proc/self/status', 'r') as status: # This will only work on systems with a /proc file system # (like Linux). for line in status: parts = line.split() key = parts[0][2:-1].lower() if key in result: result[key] = int(parts[1]) ui.write_err(", ".join(["%s: %.1f MiB" % (k, v / 1024.0) for k, v in result.iteritems()]) + "\n") def extsetup(ui): ui.atexit(memusage, ui)