diff options
Diffstat (limited to 'sphinx/util/typing.py')
| -rw-r--r-- | sphinx/util/typing.py | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/sphinx/util/typing.py b/sphinx/util/typing.py index 4644b1378..08bf7203b 100644 --- a/sphinx/util/typing.py +++ b/sphinx/util/typing.py @@ -39,6 +39,12 @@ TitleGetter = Callable[[nodes.Node], str] Inventory = Dict[str, Dict[str, Tuple[str, str, str, str]]] +def is_system_TypeVar(typ: Any) -> bool: + """Check *typ* is system defined TypeVar.""" + modname = getattr(typ, '__module__', '') + return modname == 'typing' and isinstance(typ, TypeVar) # type: ignore + + def stringify(annotation: Any) -> str: """Stringify type annotation object.""" if isinstance(annotation, str): @@ -96,7 +102,8 @@ def _stringify_py37(annotation: Any) -> str: return '%s[[%s], %s]' % (qualname, args, returns) elif str(annotation).startswith('typing.Annotated'): # for py39+ return stringify(annotation.__args__[0]) - elif getattr(annotation, '_special', False): + elif all(is_system_TypeVar(a) for a in annotation.__args__): + # Suppress arguments if all system defined TypeVars (ex. Dict[KT, VT]) return qualname else: args = ', '.join(stringify(a) for a in annotation.__args__) |