diff options
Diffstat (limited to 'Lib/json')
| -rw-r--r-- | Lib/json/__init__.py | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/Lib/json/__init__.py b/Lib/json/__init__.py index 6cedb6e..a459f77 100644 --- a/Lib/json/__init__.py +++ b/Lib/json/__init__.py @@ -313,6 +313,8 @@ def loads(s, encoding=None, cls=None, object_hook=None, parse_float=None, if not isinstance(s, str): raise TypeError('the JSON object must be str, not {!r}'.format( s.__class__.__name__)) + if s.startswith(u'\ufeff'): + raise ValueError("Unexpected UTF-8 BOM (decode using utf-8-sig)") if (cls is None and object_hook is None and parse_int is None and parse_float is None and parse_constant is None and object_pairs_hook is None and not kw): |