| from transformers import AutoConfig | |
| def auto_upgrade(config): | |
| cfg = AutoConfig.from_pretrained(config) | |
| if "llava" in config and "llava" not in cfg.model_type: | |
| assert cfg.model_type == "llama" | |
| print("You are using newer LLaVA code base, while the checkpoint of v0 is from older code base.") | |
| print("You must upgrade the checkpoint to the new code base (this can be done automatically).") | |
| confirm = input("Please confirm that you want to upgrade the checkpoint. [Y/N]") | |
| if confirm.lower() in ["y", "yes"]: | |
| print("Upgrading checkpoint...") | |
| assert len(cfg.architectures) == 1 | |
| setattr(cfg.__class__, "model_type", "llava") | |
| cfg.architectures[0] = "LlavaLlamaForCausalLM" | |
| cfg.save_pretrained(config) | |
| print("Checkpoint upgraded.") | |
| else: | |
| print("Checkpoint upgrade aborted.") | |
| exit(1) | |