# foo.py
class Foo:
    pass

# test.py
import inspect
import foo

for name, obj in inspect.getmembers(foo):
    if inspect.isclass(obj):
        print obj

# foo.py
import inspect

class Foo:
    pass

def print_classes():
    for name, obj in inspect.getmembers(???): # what do I do here?
        if inspect.isclass(obj):
            print obj

# test.py
import foo

foo.print_classes()

import sys
current_module = sys.modules[__name__]

import sys
def print_classes():
    for name, obj in inspect.getmembers(sys.modules[__name__]):
        if inspect.isclass(obj):
            print obj

clsmembers = inspect.getmembers(sys.modules[__name__], inspect.isclass)

g = globals().copy()
for name, obj in g.iteritems():

import pyclbr
print(pyclbr.readmodule(__name__).keys())