Returns a list of modules inside *tokens* that are local to *path*.

    **Note:**  Will recursively look inside *path* for said modules.

def enumerate_local_modules(tokens, path):
    """
    Returns a list of modules inside *tokens* that are local to *path*.

    **Note:**  Will recursively look inside *path* for said modules.
    """
    # Have to get a list of all modules before we can do anything else
    modules = enumerate_imports(tokens)
    local_modules = []
    parent = ""
    # Now check the local dir for matching modules
    for root, dirs, files in os.walk(path):
        if not parent:
            parent = os.path.split(root)[1]
        for f in files:
            if f.endswith('.py'):
                f = f[:-3] # Strip .py
                module_tree = root.split(parent)[1].replace('/', '.')
                module_tree = module_tree.lstrip('.')
                if module_tree:
                    module = "%s.%s" % (module_tree, f)
                else:
                    module = f
                if not module in modules:
                    local_modules.append(module)
    return local_modules