| |
| from iopath.common.file_io import HTTPURLHandler, OneDrivePathHandler, PathHandler |
| from iopath.common.file_io import PathManager as PathManagerBase |
|
|
| __all__ = ["PathManager", "PathHandler"] |
|
|
|
|
| PathManager = PathManagerBase() |
| """ |
| This is a detectron2 project-specific PathManager. |
| We try to stay away from global PathManager in fvcore as it |
| introduces potential conflicts among other libraries. |
| """ |
|
|
|
|
| class Detectron2Handler(PathHandler): |
| """ |
| Resolve anything that's hosted under detectron2's namespace. |
| """ |
|
|
| PREFIX = "detectron2://" |
| S3_DETECTRON2_PREFIX = "https://dl.fbaipublicfiles.com/detectron2/" |
|
|
| def _get_supported_prefixes(self): |
| return [self.PREFIX] |
|
|
| def _get_local_path(self, path, **kwargs): |
| name = path[len(self.PREFIX) :] |
| return PathManager.get_local_path(self.S3_DETECTRON2_PREFIX + name, **kwargs) |
|
|
| def _open(self, path, mode="r", **kwargs): |
| return PathManager.open( |
| self.S3_DETECTRON2_PREFIX + path[len(self.PREFIX) :], mode, **kwargs |
| ) |
|
|
|
|
| PathManager.register_handler(HTTPURLHandler()) |
| PathManager.register_handler(OneDrivePathHandler()) |
| PathManager.register_handler(Detectron2Handler()) |
|
|
