Merge 6d0e058186 into b568de35ad

If a dataset has been modified (e.g. episodes added, removed, or
a new dataset has been re-created under the same name) then the
dataset card should also be reuploaded to match the metadata.

Closes issue: #849

README.md

@@ -98,7 +98,7 @@ conda create -y -n lerobot python=3.10
 conda activate lerobot
 ```
 
-When using `miniconda`, if you don't have `fffmpeg` in your environment:
+When using `miniconda`, if you don't have `ffmpeg` in your environment:
 ```bash
 conda install ffmpeg
 ```

lerobot/common/datasets/lerobot_dataset.py

@@ -27,7 +27,6 @@ import torch
 import torch.utils
 from datasets import concatenate_datasets, load_dataset
 from huggingface_hub import HfApi, snapshot_download
-from huggingface_hub.constants import REPOCARD_NAME
 from huggingface_hub.errors import RevisionNotFoundError
 
 from lerobot.common.constants import HF_LEROBOT_HOME
@@ -560,11 +559,10 @@ class LeRobotDataset(torch.utils.data.Dataset):
         else:
             hub_api.upload_folder(**upload_kwargs)
 
-        if not hub_api.file_exists(self.repo_id, REPOCARD_NAME, repo_type="dataset", revision=branch):
+        card = create_lerobot_dataset_card(
-            card = create_lerobot_dataset_card(
+            tags=tags, dataset_info=self.meta.info, license=license, **card_kwargs
-                tags=tags, dataset_info=self.meta.info, license=license, **card_kwargs
+        )
-            )
+        card.push_to_hub(repo_id=self.repo_id, repo_type="dataset", revision=branch)
-            card.push_to_hub(repo_id=self.repo_id, repo_type="dataset", revision=branch)
 
         if tag_version:
             with contextlib.suppress(RevisionNotFoundError):

lerobot/common/datasets/video_utils.py

@@ -257,6 +257,7 @@ def encode_video_frames(
 ) -> None:
     """More info on ffmpeg arguments tuning on `benchmark/video/README.md`"""
     video_path = Path(video_path)
+    imgs_dir = Path(imgs_dir)
     video_path.parent.mkdir(parents=True, exist_ok=True)
 
     ffmpeg_args = OrderedDict(