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import os |
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from typing import Dict, Optional |
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from detectron2.config import CfgNode |
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def is_relative_local_path(path: str) -> bool: |
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path_str = os.fsdecode(path) |
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return ("://" not in path_str) and not os.path.isabs(path) |
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def maybe_prepend_base_path(base_path: Optional[str], path: str): |
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""" |
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Prepends the provided path with a base path prefix if: |
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1) base path is not None; |
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2) path is a local path |
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""" |
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if base_path is None: |
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return path |
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if is_relative_local_path(path): |
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return os.path.join(base_path, path) |
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return path |
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def get_class_to_mesh_name_mapping(cfg: CfgNode) -> Dict[int, str]: |
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return { |
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int(class_id): mesh_name |
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for class_id, mesh_name in cfg.DATASETS.CLASS_TO_MESH_NAME_MAPPING.items() |
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} |
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def get_category_to_class_mapping(dataset_cfg: CfgNode) -> Dict[str, int]: |
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return { |
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category: int(class_id) |
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for category, class_id in dataset_cfg.CATEGORY_TO_CLASS_MAPPING.items() |
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} |
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