Mercurial > hg
view tests/logexceptions.py @ 40999:dcac24ec935b
commandserver: preload repository in master server and reuse its file cache
This greatly speeds up repository operation with lots of obsolete markers:
$ ls -lh .hg/store/obsstore
-rw-r--r-- 1 yuya yuya 21M Dec 2 17:55 .hg/store/obsstore
$ time hg log -G -l10 --pager no
(hg) 1.79s user 0.13s system 99% cpu 1.919 total
(chg uncached) 0.00s user 0.01s system 0% cpu 1.328 total
(chg cached) 0.00s user 0.00s system 3% cpu 0.180 total
As you can see, the implementation of the preloader function is highly
experimental. It works, but I'm yet to be sure how things can be organized.
So I don't want to formalize the API at this point.
author | Yuya Nishihara <yuya@tcha.org> |
---|---|
date | Wed, 31 Oct 2018 22:43:08 +0900 |
parents | 8de90e006c78 |
children | 2372284d9457 |
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# logexceptions.py - Write files containing info about Mercurial exceptions # # Copyright 2017 Matt Mackall <mpm@selenic.com> # # This software may be used and distributed according to the terms of the # GNU General Public License version 2 or any later version. from __future__ import absolute_import import inspect import os import sys import traceback import uuid from mercurial import ( dispatch, extensions, ) def handleexception(orig, ui): res = orig(ui) if not ui.environ.get(b'HGEXCEPTIONSDIR'): return res dest = os.path.join(ui.environ[b'HGEXCEPTIONSDIR'], str(uuid.uuid4()).encode('ascii')) exc_type, exc_value, exc_tb = sys.exc_info() stack = [] tb = exc_tb while tb: stack.append(tb) tb = tb.tb_next stack.reverse() hgframe = 'unknown' hgline = 'unknown' # Find the first Mercurial frame in the stack. for tb in stack: mod = inspect.getmodule(tb) if not mod.__name__.startswith(('hg', 'mercurial')): continue frame = tb.tb_frame try: with open(inspect.getsourcefile(tb), 'r') as fh: hgline = fh.readlines()[frame.f_lineno - 1].strip() except (IndexError, OSError): pass hgframe = '%s:%d' % (frame.f_code.co_filename, frame.f_lineno) break primary = traceback.extract_tb(exc_tb)[-1] primaryframe = '%s:%d' % (primary.filename, primary.lineno) with open(dest, 'wb') as fh: parts = [ str(exc_value), primaryframe, hgframe, hgline, ui.environ[b'TESTNAME'].decode('utf-8', 'replace'), ] fh.write(b'\0'.join(p.encode('utf-8', 'replace') for p in parts)) def extsetup(ui): extensions.wrapfunction(dispatch, 'handlecommandexception', handleexception)