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Simplify is_simple_callable() and make it faster and more general

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callable() is a fast builtin function. It covers the existing checks and
all others as well. inspect.signature() accepts any callable.
This commit is contained in:
Ran Benita 2019-05-09 08:52:23 +03:00
parent 564faddb0f
commit 5acdf51c7d
1 changed files with 1 additions and 2 deletions
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3
rest_framework/fields.py
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@ -1,7 +1,6 @@
import copy
import datetime
import decimal
import functools
import inspect
import re
import uuid
@ -53,7 +52,7 @@ def is_simple_callable(obj):
"""
True if the object is a callable that takes no arguments.
"""
if not (inspect.isfunction(obj) or inspect.ismethod(obj) or isinstance(obj, functools.partial)):
if not callable(obj):
return False
sig = inspect.signature(obj)