builtin_fqn.py

from __future__ import print_function
from twisted.python._reflectpy3 import namedAny
from twisted.python.deprecate import _fullyQualifiedName
import inspect
import types

tests = []

for k, v in inspect.__dict__.items():
    if k.startswith('is'):
        tests.append(('inspect.%s' % (k,), v))

tests.extend([
    ('types.FunctionType', lambda x: isinstance(x, types.FunctionType)),
    ('types.MethodType', lambda x: isinstance(x, types.MethodType)),
    ('types.BuiltinMethodType', lambda x: isinstance(x, types.BuiltinMethodType)),
    ('reflect.fullyQualifiedName', _fullyQualifiedName),
    ('obj.__name__', lambda x: x.__name__),
    ('reflect.namedAny', lambda x: namedAny(_fullyQualifiedName(x)))
])

for n, t in tests:
    print("%s:\t%r" % (n.ljust(30), t(int.__add__)))

pypy2.txt

(twisted-pypy)thomasina dreid:twisted (fullyQualifiedName-methoddescriptor-5644-3)> python builtin_fqn.py 
inspect.isgenerator           :	False
inspect.isdatadescriptor      :	False
inspect.isframe               :	False
inspect.ismemberdescriptor    :	False
inspect.isabstract            :	False
inspect.isbuiltin             :	False
inspect.isfunction            :	False
inspect.istraceback           :	False
inspect.isgeneratorfunction   :	False
inspect.ismethod              :	True
inspect.iscode                :	False
inspect.isclass               :	False
inspect.ismethoddescriptor    :	False
inspect.isroutine             :	True
inspect.ismodule              :	False
inspect.isgetsetdescriptor    :	False
types.FunctionType            :	False
types.MethodType              :	True
types.BuiltinMethodType       :	True
reflect.fullyQualifiedName    :	'__builtin__.int.__add__'
obj.__name__                  :	'__add__'
reflect.namedAny              :	<unbound method int.__add__>

python27.txt

(twisted)thomasina dreid:twisted (fullyQualifiedName-methoddescriptor-5644-3)> python builtin_fqn.py 
inspect.isgenerator           :	False
inspect.isdatadescriptor      :	False
inspect.isframe               :	False
inspect.ismemberdescriptor    :	False
inspect.isabstract            :	False
inspect.isbuiltin             :	False
inspect.isfunction            :	False
inspect.istraceback           :	False
inspect.isgeneratorfunction   :	False
inspect.ismethod              :	False
inspect.iscode                :	False
inspect.isclass               :	False
inspect.ismethoddescriptor    :	True
inspect.isroutine             :	True
inspect.ismodule              :	False
inspect.isgetsetdescriptor    :	False
types.FunctionType            :	False
types.MethodType              :	False
types.BuiltinMethodType       :	False
reflect.fullyQualifiedName    :	'__add__'
obj.__name__                  :	'__add__'
Traceback (most recent call last):
  File "builtin_fqn.py", line 25, in <module>
    print("%s:\t%r" % (n.ljust(30), t(int.__add__)))
  File "builtin_fqn.py", line 21, in <lambda>
    ('reflect.namedAny', lambda x: namedAny(_fullyQualifiedName(x)))
  File "/Users/dreid/code/twisted/twisted/python/_reflectpy3.py", line 271, in namedAny
    raise ModuleNotFound("No module named %r" % (name,))
twisted.python._reflectpy3.ModuleNotFound: No module named '__add__'

python3.txt

(twisted-py3)thomasina dreid:twisted (fullyQualifiedName-methoddescriptor-5644-3)> python builtin_fqn.py 
inspect.isdatadescriptor      :	False
inspect.ismethoddescriptor    :	True
inspect.ismodule              :	False
inspect.ismemberdescriptor    :	False
inspect.isgetsetdescriptor    :	False
inspect.iscode                :	False
inspect.istraceback           :	False
inspect.isbuiltin             :	False
inspect.ismethod              :	False
inspect.isclass               :	False
inspect.isgeneratorfunction   :	False
inspect.isgenerator           :	False
inspect.isabstract            :	False
inspect.isfunction            :	False
inspect.isroutine             :	True
inspect.isframe               :	False
types.FunctionType            :	False
types.MethodType              :	False
types.BuiltinMethodType       :	False
reflect.fullyQualifiedName    :	'int.__add__'
obj.__name__                  :	'__add__'
Traceback (most recent call last):
  File "builtin_fqn.py", line 25, in <module>
    print("%s:\t%r" % (n.ljust(30), t(int.__add__)))
  File "builtin_fqn.py", line 21, in <lambda>
    ('reflect.namedAny', lambda x: namedAny(_fullyQualifiedName(x)))
  File "/Users/dreid/code/twisted/twisted/python/_reflectpy3.py", line 273, in namedAny
    raise ObjectNotFound('%r does not name an object' % (name,))
twisted.python._reflectpy3.ObjectNotFound: 'int.__add__' does not name an object