check-py3-compat: provide filename to ast.parse()
This ensures any warning/error messages print a valid filename instead of
potentially '<unknown>'.
Differential Revision: https://phab.mercurial-scm.org/D5844
--- a/contrib/check-py3-compat.py Mon Feb 04 14:22:50 2019 -0800
+++ b/contrib/check-py3-compat.py Mon Feb 04 14:25:00 2019 -0800
@@ -45,7 +45,7 @@
content = fh.read()
try:
- ast.parse(content)
+ ast.parse(content, filename=f)
except SyntaxError as e:
print('%s: invalid syntax: %s' % (f, e))
return