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605fa025ff
Summary: Previously morecolors only changes "ui.traceback". This diff makes it replace uncaught exceptions. It now conflicts with errorredirect (whichever loads last will be effective) but that's probably fine since morecolors is intended for the team only. Test Plan: Added a test case. Reviewers: #mercurial, mitrandir Reviewed By: mitrandir Subscribers: mitrandir, medson, mjpieters Differential Revision: https://phabricator.intern.facebook.com/D5347030 Signature: t1:5347030:1498751985:b8c750c5bfe4a25f1e0a4dd1cebcfa74fa8739b0
71 lines
2.0 KiB
Python
71 lines
2.0 KiB
Python
# morecolors.py
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#
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# Copyright 2017 Facebook, Inc.
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#
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# This software may be used and distributed according to the terms of the
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# GNU General Public License version 2 or any later version.
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"""make more output colorful
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Currently only ui.traceback is colorized by this extension.
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"""
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from __future__ import absolute_import
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import os
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import sys
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import traceback
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from mercurial import (
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dispatch,
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extensions,
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)
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colortable = {
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'traceback.foreign': 'red bold',
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'traceback.core': '',
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}
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def _colorizetraceback(ui, trace):
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state = 'core'
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result = ''
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corepath = os.path.dirname(os.path.dirname(extensions.__file__))
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for line in trace.splitlines(True):
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if line.startswith(' File "'):
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path = line[len(' File "'):]
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if path.startswith(corepath):
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state = 'core'
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else:
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state = 'foreign'
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result += ui.label(line, 'traceback.%s' % state)
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return result
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def _writeerr(orig, self, *args, **opts):
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text = ''.join(args)
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if text and text.startswith('Traceback'):
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text = _colorizetraceback(self, text)
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return orig(self, text, **opts)
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def _handlecommandexception(orig, ui):
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trace = traceback.format_exc()
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ui.log("commandexception", "%s\n", trace)
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ui.write_err(_colorizetraceback(ui, trace))
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return True # do not re-raise the exception
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def uisetup(ui):
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class morecolorsui(ui.__class__):
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def traceback(self, exc=None, force=False):
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if exc is None:
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exc = sys.exc_info()
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# wrap ui.write_err temporarily so we can capture the traceback and
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# add colors to it.
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cls = self.__class__
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extensions.wrapfunction(cls, 'write_err', _writeerr)
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try:
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return super(morecolorsui, self).traceback(exc, force)
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finally:
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extensions.unwrapfunction(cls, 'write_err', _writeerr)
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ui.__class__ = morecolorsui
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extensions.wrapfunction(dispatch, 'handlecommandexception',
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_handlecommandexception)
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