import functools
import inspect


# I expect from inspect.isfunction() the same behavior as inspect.isgeneratorfunction() and
# inspect.iscoroutinefunction()

async def corofn():
    return 10


partial_corofn = functools.partial(corofn)
assert inspect.iscoroutinefunction(partial_corofn) is True
assert inspect.iscoroutinefunction(partial_corofn.func) == inspect.iscoroutinefunction(corofn)
assert inspect.iscoroutinefunction(partial_corofn) == inspect.iscoroutinefunction(corofn), "This assertion doesn't work"
assert inspect.iscoroutinefunction(partial_corofn) == inspect.iscoroutinefunction(partial_corofn.func)



def genfn():
    yield 10


partial_genfn = functools.partial(genfn)
assert inspect.isgeneratorfunction(partial_genfn) is True
assert inspect.isgeneratorfunction(partial_genfn.func) == inspect.isgeneratorfunction(genfn)
assert inspect.isgeneratorfunction(partial_genfn) == inspect.isgeneratorfunction(genfn)
assert inspect.isgeneratorfunction(partial_genfn) == inspect.isgeneratorfunction(partial_genfn.func)


# But!
def fn():
    return 10


partial_fn = functools.partial(fn)
assert inspect.isfunction(partial_fn) is True, "This assertion doesn't work"
assert inspect.isfunction(partial_fn.func) == inspect.isfunction(fn)
assert inspect.isfunction(partial_fn) == inspect.isfunction(fn), "This assertion doesn't work"
assert inspect.isfunction(partial_fn) == inspect.isfunction(partial_fn.func), "This assertion doesn't work"