| | |
| | | config_file: Union[Path, str] = None, |
| | | model_file: Union[Path, str] = None, |
| | | cmvn_file: Union[Path, str] = None, |
| | | device: str = "cpu", |
| | | device: Union[str, torch.device] = "cpu", |
| | | ): |
| | | """Build model from the files. |
| | | |
| | |
| | | if ".bin" in model_name: |
| | | model_name_pth = os.path.join(model_dir, model_name.replace('.bin', '.pb')) |
| | | else: |
| | | model_name_pth = os.path.join(model_dir, "{}.pth".format(model_name)) |
| | | model_name_pth = os.path.join(model_dir, "{}.pb".format(model_name)) |
| | | if os.path.exists(model_name_pth): |
| | | logging.info("model_file is load from pth: {}".format(model_name_pth)) |
| | | model_dict = torch.load(model_name_pth, map_location=device) |
| | |
| | | model.load_state_dict(model_dict) |
| | | else: |
| | | model_dict = torch.load(model_file, map_location=device) |
| | | model_dict = cls.fileter_model_dict(model_dict, model.state_dict()) |
| | | model.load_state_dict(model_dict) |
| | | if model_name_pth is not None and not os.path.exists(model_name_pth): |
| | | torch.save(model_dict, model_name_pth) |
| | | logging.info("model_file is saved to pth: {}".format(model_name_pth)) |
| | | |
| | | return model, args |
| | | |
| | | @classmethod |
| | | def fileter_model_dict(cls, src_dict: dict, dest_dict: dict): |
| | | from collections import OrderedDict |
| | | new_dict = OrderedDict() |
| | | for key, value in src_dict.items(): |
| | | if key in dest_dict: |
| | | new_dict[key] = value |
| | | else: |
| | | logging.info("{} is no longer needed in this model.".format(key)) |
| | | for key, value in dest_dict.items(): |
| | | if key not in new_dict: |
| | | logging.warning("{} is missed in checkpoint.".format(key)) |
| | | return new_dict |
| | | |
| | | @classmethod |
| | | def convert_tf2torch( |
| | |
| | | cls, train: bool = True, inference: bool = False |
| | | ) -> Tuple[str, ...]: |
| | | if not inference: |
| | | retval = ("speech", "profile", "binary_labels") |
| | | retval = ("speech", ) |
| | | else: |
| | | # Recognition mode |
| | | retval = ("speech") |
| | | retval = ("speech", ) |
| | | return retval |
| | | |
| | | @classmethod |