sapling/hgext/morecolors.py
Lukasz Langa dfda82e492 Upgrade to 18.5b1
Summary: Mostly empty lines removed and added.  A few bugfixes on excessive line splitting.

Reviewed By: quark-zju

Differential Revision: D8199128

fbshipit-source-id: 90c1616061bfd7cfbba0b75f03f89683340374d5
2018-05-30 02:23:58 -07:00

70 lines
2.0 KiB
Python

# morecolors.py
#
# Copyright 2017 Facebook, Inc.
#
# This software may be used and distributed according to the terms of the
# GNU General Public License version 2 or any later version.
"""make more output colorful
Currently only ui.traceback is colorized by this extension.
"""
from __future__ import absolute_import
import os
import sys
import traceback
from mercurial import dispatch, extensions
colortable = {"traceback.foreign": "red bold", "traceback.core": ""}
def _colorizetraceback(ui, trace):
state = "core"
result = ""
corepath = os.path.dirname(os.path.dirname(extensions.__file__))
for line in trace.splitlines(True):
if line.startswith(' File "'):
path = line[len(' File "') :]
if path.startswith(corepath):
state = "core"
else:
state = "foreign"
result += ui.label(line, "traceback.%s" % state)
return result
def _writeerr(orig, self, *args, **opts):
text = "".join(args)
if text and text.startswith("Traceback"):
text = _colorizetraceback(self, text)
return orig(self, text, **opts)
def _handlecommandexception(orig, ui):
trace = traceback.format_exc()
ui.log("commandexception", "%s\n", trace)
ui.write_err(_colorizetraceback(ui, trace))
return True # do not re-raise the exception
def uisetup(ui):
class morecolorsui(ui.__class__):
def traceback(self, exc=None, force=False):
if exc is None:
exc = sys.exc_info()
# wrap ui.write_err temporarily so we can capture the traceback and
# add colors to it.
cls = self.__class__
extensions.wrapfunction(cls, "write_err", _writeerr)
try:
return super(morecolorsui, self).traceback(exc, force)
finally:
extensions.unwrapfunction(cls, "write_err", _writeerr)
ui.__class__ = morecolorsui
extensions.wrapfunction(dispatch, "handlecommandexception", _handlecommandexception)