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| import platform | |
| import subprocess | |
| from inspect import currentframe, getframeinfo | |
| from pathlib import Path | |
| from decouple import config | |
| system_name = platform.system() | |
| cur_frame = currentframe() | |
| if cur_frame is None: | |
| raise ValueError("Cannot get the current frame.") | |
| this_file = getframeinfo(cur_frame).filename | |
| this_dir = Path(this_file).parent | |
| def serve_llamacpp_python(local_model_file: Path, **kwargs): | |
| def guess_chat_format(local_model_file): | |
| model_name = local_model_file.stem | |
| # handle known cases that the server backends handle incorrectly | |
| # this is highly heuristic, should be expand later | |
| # server backends usually has logic for this but they could still be wrong | |
| if "qwen" in model_name: | |
| return "qwen" | |
| return None | |
| # default port | |
| if "port" not in kwargs: | |
| kwargs["port"] = 31415 | |
| chat_format = guess_chat_format(local_model_file) | |
| if chat_format: | |
| kwargs = {**kwargs, "chat_format": chat_format} | |
| # these scripts create a separate conda env and run the server | |
| if system_name == "Windows": | |
| script_file = this_dir / "server_llamacpp_windows.bat" | |
| elif system_name == "Linux": | |
| script_file = this_dir / "server_llamacpp_linux.sh" | |
| elif system_name == "Darwin": | |
| script_file = this_dir / "server_llamacpp_macos.sh" | |
| else: | |
| raise ValueError(f"Unsupported system: {system_name}") | |
| args = " ".join(f"--{k} {v}" for k, v in kwargs.items()) | |
| cmd = f"{script_file} --model {local_model_file} {args}" | |
| subprocess.Popen(cmd, shell=True) | |
| def main(): | |
| local_model_file = config("LOCAL_MODEL", default="") | |
| if not local_model_file: | |
| print("LOCAL_MODEL not set in the `.env` file.") | |
| return | |
| local_model_file = Path(local_model_file) | |
| if not local_model_file.exists(): | |
| print(f"Local model not found: {local_model_file}") | |
| return | |
| print(f"Local model found: {local_model_file}") | |
| will_start_server = input("Do you want to use this local model ? (y/n): ") | |
| if will_start_server.lower().strip() not in ["y", "yes"]: | |
| return | |
| print("Starting the local server...") | |
| if local_model_file.suffix == ".gguf": | |
| serve_llamacpp_python(local_model_file) | |
| else: | |
| raise ValueError(f"Unsupported model file type: {local_model_file.suffix}") | |
| if __name__ == "__main__": | |
| main() | |