diff options
| -rw-r--r-- | cmd2/utils.py | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/cmd2/utils.py b/cmd2/utils.py index 39dc6e2b..a2b1c854 100644 --- a/cmd2/utils.py +++ b/cmd2/utils.py @@ -13,7 +13,7 @@ import sys import threading import unicodedata from enum import Enum -from typing import Any, Callable, Dict, Iterable, List, Optional, TextIO, Type, Union +from typing import Any, Callable, Dict, Iterable, List, Optional, TextIO, Union from . import constants @@ -1041,15 +1041,20 @@ def categorize(func: Union[Callable, Iterable[Callable]], category: str) -> None setattr(func, constants.CMD_ATTR_HELP_CATEGORY, category) -def get_defining_class(meth: Callable) -> Optional[Type]: +def get_defining_class(meth): """ Attempts to resolve the class that defined a method. Inspired by implementation published here: https://stackoverflow.com/a/25959545/1956611 + TODO: Python 3.5.2 is unable to handle the type hints Callable and Optional[Type]. + Restore proper type hints after we drop 3.5.2 support + :param meth: method to inspect + :type meth: Callable :return: class type in which the supplied method was defined. None if it couldn't be resolved. + :rtype: Optional[Type] """ if isinstance(meth, functools.partial): return get_defining_class(meth.func) |