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Better error message when dataset root set wrongly in JsonIndexDatasetMapProviderV2

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Summary: <see title>

Reviewed By: bottler

Differential Revision: D38314727

fbshipit-source-id: 7178b816a22b06af938a35c5f7bb88404fb1b1c4
This commit is contained in:
David Novotny 2022-08-01 14:08:19 -07:00 committed by Facebook GitHub Bot
parent 597e0259dc
commit 5bf6d532f7
1 changed files with 12 additions and 0 deletions
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pytorch3d/implicitron/dataset/json_index_dataset_map_provider_v2.py
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@ -177,6 +177,18 @@ class JsonIndexDatasetMapProviderV2(DatasetMapProviderBase): # pyre-ignore [13]
path_manager = self.path_manager_factory.get()
if path_manager is not None:
path_managed_frame_file = path_manager.get_local_path(frame_file)
if not os.path.isfile(path_managed_frame_file):
# The frame_file does not exist.
# Most probably the user has not specified the root folder.
raise ValueError(
f"Looking for frame annotations in {path_managed_frame_file}."
+ " Please specify a correct dataset_root folder."
+ " Note: By default the root folder is taken from the"
+ " CO3DV2_DATASET_ROOT environment variable."
)
# setup the common dataset arguments
common_dataset_kwargs = getattr(self, f"dataset_{self.dataset_class_type}_args")
common_dataset_kwargs = {