Mercurial > hg
view tests/logexceptions.py @ 47421:d2e0226b511a
transaction: narrow the error filtering when failing to rename undo file
Having inconsistent "undo" files can be quite serious so we narrow the error
filtering to the intent that the comment explain.
(This is an opportunity improvement while looking at something next to that.)
Differential Revision: https://phab.mercurial-scm.org/D10845
author | Pierre-Yves David <pierre-yves.david@octobus.net> |
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date | Wed, 09 Jun 2021 00:59:04 +0200 |
parents | d4ba4d51f85f |
children | 6000f5b25c9b |
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# logexceptions.py - Write files containing info about Mercurial exceptions # # Copyright 2017 Olivia Mackall <olivia@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)