lift_to_module.py

import sys

def lift_to_module(module_name, types):
    """Take a list of dynamically generated types, or anything really,
    and lift them to the root level of the module.
    
    I mostly use this when I do something like this:
    >>> some_data_source = ["Foo", "Bar", "Goo"]
    >>> types = [
        SomeMetaClass("TypeName"+ i, (object,), inputs)
        for (i,inputs) in enumerate(some_data_source)
    ]
    >>> lift_to_module(__name__, types)
    
    This creates new classes, based on the data source,
    then "lifts" them to export the types by name.
    
    The module now contains TypeName0, TypeName1, TypeName2 as
    new classes.
    """
    mod = sys.modules[module_name]
    for i in types:
        setattr(mod, i.__name__, i)