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# mode: run
# tag: pure2.7
# cython: binding=True
import cython
import sys
def regular(x):
"""
>>> hasattr(regular, "__self__")
False
>>> nested = regular(10)
>>> hasattr(nested, "__self__")
False
"""
def nested(y):
return x+y
return nested
@cython.locals(x=cython.floating)
def fused(x):
"""
>>> nested = fused(10.)
>>> hasattr(nested, "__self__")
False
#>>> hasattr(fused, "__self__") # FIXME this fails for fused functions
#False
# but this is OK:
>>> fused.__self__ #doctest: +ELLIPSIS
Traceback (most recent call last):
...
AttributeError: 'function' object has no attribute '__self__'...
"""
def nested_in_fused(y):
return x+y
return nested_in_fused
# FIXME - doesn't currently work at all
#def get_nested_fused(x):
# @cython.locals(x=cython.floating)
# def nested_fused(y):
# return x+y
# return nested_fused
class C:
"""
>>> c = C()
>>> c.regular.__self__ is c
True
>>> c.fused.__self__ is c
True
"""
def regular(self):
pass
@cython.locals(x=cython.floating)
def fused(self, x):
return x
__doc__ = ""
if sys.version_info[0] > 2 or cython.compiled:
__doc__ += """
>>> hasattr(C.regular, "__self__") # __self__==None on pure-python 2
False
# returns None on pure-python 2
>>> C.fused.__self__ #doctest: +ELLIPSIS
Traceback (most recent call last):
...
AttributeError: 'function' object has no attribute '__self__'...
"""
if cython.compiled:
__doc__ = """
>>> fused['double'].__self__ #doctest: +ELLIPSIS
Traceback (most recent call last):
...
AttributeError: 'function' object has no attribute '__self__'...
>>> C.fused['double'].__self__ #doctest: +ELLIPSIS
Traceback (most recent call last):
...
AttributeError: 'function' object has no attribute '__self__'...
>>> c = C()
>>> c.fused['double'].__self__ is c #doctest: +ELLIPSIS
True
# The PR that changed __self__ also changed how __doc__ is set up slightly
>>> fused['double'].__doc__ == fused.__doc__ and isinstance(fused.__doc__, str)
True
"""
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