@@ -451,10 +451,6 @@ class partialmethod:
451451__repr__ = _partial_repr
452452
453453def __init__ (self ,func ,/ ,* args ,** keywords ):
454- if not callable (func )and getattr (func ,'__get__' ,None )is None :
455- raise TypeError (f'the first argument{ func !r}
456- 'or a descriptor' )
457-
458454if isinstance (func ,partialmethod ):
459455# Subclass optimization
460456temp = partial (lambda :None ,* func .args ,** func .keywords )
@@ -467,8 +463,12 @@ def __init__(self, func, /, *args, **keywords):
467463self .args = args
468464self .keywords = keywords
469465
470- if (isinstance (func ,_STD_METHOD_TYPES )or
471- getattr (func ,'__get__' ,None )is None ):
466+ if isinstance (func ,_STD_METHOD_TYPES ):
467+ self .method = None
468+ elif getattr (func ,'__get__' ,None )is None :
469+ if not callable (func ):
470+ raise TypeError (f'the first argument{ func !r}
471+ 'or a descriptor' )
472472self .method = None
473473else :
474474# Unknown descriptor
@@ -486,22 +486,26 @@ def _make_method(self):
486486
487487# 4 cases
488488if isinstance (func ,staticmethod ):
489- func = partial (func .__wrapped__ ,* args ,** self .keywords )
490- self ._set_func_attrs (func )
491- return staticmethod (func )
489+ deco = staticmethod
490+ method = partial (func .__wrapped__ ,* args ,** self .keywords )
492491elif isinstance (func ,classmethod ):
492+ deco = classmethod
493493ph_args = (Placeholder ,)if args else ()
494- func = partial (func .__wrapped__ ,* ph_args ,* args ,** self .keywords )
495- self ._set_func_attrs (func )
496- return classmethod (func )
494+ method = partial (func .__wrapped__ ,* ph_args ,* args ,** self .keywords )
497495else :
498496# instance method. 2 cases:
499497# a) FunctionType | partial
500498# b) callable object without __get__
499+ deco = None
501500ph_args = (Placeholder ,)if args else ()
502- func = partial (func ,* ph_args ,* args ,** self .keywords )
503- self ._set_func_attrs (func )
504- return func
501+ method = partial (func ,* ph_args ,* args ,** self .keywords )
502+
503+ method .__partialmethod__ = self
504+ if self .__isabstractmethod__ :
505+ method = abstractmethod (method )
506+ if deco is not None :
507+ method = deco (method )
508+ return method
505509
506510def __get__ (self ,obj ,cls = None ):
507511method = self .method
@@ -510,7 +514,9 @@ def __get__(self, obj, cls=None):
510514# Need to get callable at runtime and apply partial on top
511515new_func = self .func .__get__ (obj ,cls )
512516result = partial (new_func ,* self .args ,** self .keywords )
513- self ._set_func_attrs (func )
517+ result .__partialmethod__ = self
518+ if self .__isabstractmethod__ :
519+ result = abstractmethod (result )
514520__self__ = getattr (new_func ,'__self__' ,_NULL )
515521if __self__ is not _NULL :
516522result .__self__ = __self__