furmeet-bot/webproj/kwargsRenamer.py

31 lines
931 B
Python

# -*- encoding: utf-8 -*-
from typing import Callable
from typing import Dict
class KeywordArgumentsRenamer(object):
def __init__(self, **kwargs_changes: Dict[str, str]):
for oldkw, newkw in kwargs_changes.items():
assert isinstance(oldkw, str)
assert isinstance(newkw, str)
self.kwargs_changes = kwargs_changes
def __call__(self, c):
return KeywordArgumentsRenamerConfigured(c, **self.kwargs_changes)
class KeywordArgumentsRenamerConfigured(object): # Don't instantiate this class manually
def __init__(self, clb: Callable, **kwargs_changes: Dict[str, str]):
self.kwargs_changes = kwargs_changes
self.callback = clb
def __call__(self, *args, **kwargs):
newkwargs = {
self.kwargs_changes.get(kw, kw): arg
for kw, arg
in kwargs.items()
}
return self.callback(*args, **newkwargs)