all_import.py

def all_import(module_name, into):
    """The simple 'from module_name import *' function.

    Usage:
        all_import('os', globals())
        all_import('os', locals())
    """
    module = __import__(module_name)
    names = getattr(module, '__all__', dir(module))
    for name in names:
        into[name] = getattr(module, name)