parser: force a `ValueError` to bytes before passing to `error.ParseError`
I'm not sure what changed before pytype 09-09-2021 (from 04-15-2021), but this
started getting flagged. I think there's a pytype bug here, because I don't
see how `.lower()` can be getting called on a `ValueError` after it is forced to
a byte string. That's suppressed for now to make progress.
This fixes:
File "/mnt/c/Users/Matt/hg/mercurial/parser.py", line 219, in unescapestr: Function bytestr.__init__ was called with the wrong arguments [wrong-arg-types]
Expected: (self, ints: Iterable[int])
Actually passed: (self, ints: ValueError)
Attributes of protocol Iterable[int] are not implemented on ValueError: __iter__
File "/mnt/c/Users/Matt/hg/mercurial/parser.py", line 219, in unescapestr: No attribute 'lower' on ValueError [attribute-error]
In Union[ValueError, mercurial.pycompat.bytestr]
Differential Revision: https://phab.mercurial-scm.org/D11471
--- a/mercurial/parser.py Mon Sep 20 10:46:35 2021 -0400
+++ b/mercurial/parser.py Mon Sep 20 10:59:26 2021 -0400
@@ -21,7 +21,6 @@
from .i18n import _
from . import (
error,
- pycompat,
util,
)
from .utils import stringutil
@@ -216,7 +215,11 @@
return stringutil.unescapestr(s)
except ValueError as e:
# mangle Python's exception into our format
- raise error.ParseError(pycompat.bytestr(e).lower())
+ # TODO: remove this suppression. For some reason, pytype 2021.09.09
+ # thinks .lower() is being called on Union[ValueError, bytes].
+ # pytype: disable=attribute-error
+ raise error.ParseError(stringutil.forcebytestr(e).lower())
+ # pytype: enable=attribute-error
def _prettyformat(tree, leafnodes, level, lines):