# Minimal shim: taming.models.{vqgan,cond_transformer} do `from main import instantiate_from_config`.
# We vendor only these two helpers to avoid the full training script's heavy deps.
import importlib


def get_obj_from_str(string, reload=False):
    module, cls = string.rsplit(".", 1)
    if reload:
        importlib.reload(importlib.import_module(module))
    return getattr(importlib.import_module(module, package=None), cls)


def instantiate_from_config(config):
    if "target" not in config:
        raise KeyError("Expected key `target` to instantiate.")
    return get_obj_from_str(config["target"])(**config.get("params", dict()))