diff options
| -rw-r--r-- | synapse/util/stringutils.py | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/synapse/util/stringutils.py b/synapse/util/stringutils.py index 11246d95e9..27a363d7e5 100644 --- a/synapse/util/stringutils.py +++ b/synapse/util/stringutils.py @@ -250,4 +250,8 @@ def base62_encode(num: int, minwidth: int = 1) -> str: def non_null_str_or_none(val: Any) -> Optional[str]: + """Check that the arg is a string containing no null (U+0000) codepoints. + + If so, returns the given string unmodified; otherwise, returns None. + """ return val if isinstance(val, str) and "\u0000" not in val else None |