py3: use sysstr() to convert ProgrammingError bytes with no unicode error risk
msg.decode('utf8') may fail if msg isn't an ASCII string, and that's possible
as we sometimes embed a filename in the error message for example.
--- a/mercurial/error.py Mon Sep 10 08:31:41 2018 +0200
+++ b/mercurial/error.py Thu Sep 13 22:32:51 2018 +0900
@@ -217,12 +217,10 @@
"""Raised if a mercurial (core or extension) developer made a mistake"""
def __init__(self, msg, *args, **kwargs):
- if not isinstance(msg, str):
- # This means we're on Python 3, because we got a
- # bytes. Turn the message back into a string since this is
- # an internal-only error that won't be printed except in a
- # stack traces.
- msg = msg.decode('utf8')
+ # On Python 3, turn the message back into a string since this is
+ # an internal-only error that won't be printed except in a
+ # stack traces.
+ msg = pycompat.sysstr(msg)
super(ProgrammingError, self).__init__(msg, *args, **kwargs)
__bytes__ = _tobytes