Mercurial > public > mercurial-scm > hg-stable
diff mercurial/pycompat.py @ 32232:76f9a0009b4b
pycompat: extract helper to raise exception with traceback
It uses "raise excobj, None, tb" form which I think is simpler and more
useful than "raise exctype, args, tb".
| author | Yuya Nishihara <yuya@tcha.org> |
|---|---|
| date | Thu, 20 Apr 2017 22:16:12 +0900 |
| parents | bc0579a25f82 |
| children | 548478efc46c |
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--- a/mercurial/pycompat.py Mon May 01 17:23:48 2017 +0900 +++ b/mercurial/pycompat.py Thu Apr 20 22:16:12 2017 +0900 @@ -164,6 +164,10 @@ return s return s.decode(u'latin-1') + def raisewithtb(exc, tb): + """Raise exception with the given traceback""" + raise exc.with_traceback(tb) + def _wrapattrfunc(f): @functools.wraps(f) def w(object, name, *args): @@ -224,6 +228,10 @@ sysbytes = identity sysstr = identity + # this can't be parsed on Python 3 + exec('def raisewithtb(exc, tb):\n' + ' raise exc, None, tb\n') + # Partial backport from os.py in Python 3, which only accepts bytes. # In Python 2, our paths should only ever be bytes, a unicode path # indicates a bug.