Import all methods from the files in a given directory.

methods.py

import glob
import imp
from os.path import join, basename, splitext


def importModules(dir):
    modules = []
    methods = []
    for path in glob.glob(join(dir, '[!_]*.py')):
        name, ext = splitext(basename(path))
        modules.append(imp.load_source(name, path))

    for module in modules:
        methods += [f for _, f in module.__dict__.iteritems() if callable(f)]
    return methods