Function deep_import_hook

IPython/lib/deepreload.py:226–246

Replacement for __import__()

(name, globals=None, locals=None, fromlist=None, level=-1)

            import_submodule(mod, item, buf + '.' + item)

def deep_import_hook(name, globals=None, locals=None, fromlist=None, level=-1):
    """Replacement for __import__()"""
    parent, buf = get_parent(globals, level)

    head, name, buf = load_next(parent, None if level < 0 else parent, name, buf)

    tail = head
    while name:
        tail, name, buf = load_next(tail, tail, name, buf)

    # If tail is None, both get_parent and load_next found
    # an empty module name: someone called __import__("") or
    # doctored faulty bytecode
    if tail is None:
        raise ValueError('Empty module name')

    if not fromlist:
        return head

    ensure_fromlist(tail, fromlist, buf, 0)
    return tail

modules_reloading = {}