| import os | |
| from typing import Type | |
| import onnxruntime as ort | |
| from .sessions import sessions_class | |
| from .sessions.base import BaseSession | |
| from .sessions.u2net import U2netSession | |
| def new_session( | |
| model_name: str = "u2net", providers=None, *args, **kwargs | |
| ) -> BaseSession: | |
| """ | |
| Create a new session object based on the specified model name. | |
| This function searches for the session class based on the model name in the 'sessions_class' list. | |
| It then creates an instance of the session class with the provided arguments. | |
| The 'sess_opts' object is created using the 'ort.SessionOptions()' constructor. | |
| If the 'OMP_NUM_THREADS' environment variable is set, the 'inter_op_num_threads' option of 'sess_opts' is set to its value. | |
| Parameters: | |
| model_name (str): The name of the model. | |
| providers: The providers for the session. | |
| *args: Additional positional arguments. | |
| **kwargs: Additional keyword arguments. | |
| Returns: | |
| BaseSession: The created session object. | |
| """ | |
| session_class: Type[BaseSession] = U2netSession | |
| for sc in sessions_class: | |
| if sc.name() == model_name: | |
| session_class = sc | |
| break | |
| sess_opts = ort.SessionOptions() | |
| if "OMP_NUM_THREADS" in os.environ: | |
| sess_opts.inter_op_num_threads = int(os.environ["OMP_NUM_THREADS"]) | |
| sess_opts.intra_op_num_threads = int(os.environ["OMP_NUM_THREADS"]) | |
| return session_class(model_name, sess_opts, providers, *args, **kwargs) | |