def imported_from_test():

    """ Returns true if it looks like this module is being imported by unittest

        or nose. """

    import re

    import inspect

    nose_re = re.compile(r"\bnose\b")

    unittest_re = re.compile(r"\bunittest2?\b")

    for frame in inspect.stack():

        file = frame[1]

        if nose_re.search(file) or unittest_re.search(file):

            return True

    return False