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"""Startup work before running the web server.""" |
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import os |
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import shutil |
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from huggingface_hub import scan_cache_dir, snapshot_download |
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from lilac.concepts.db_concept import CONCEPTS_DIR, DiskConceptDB, get_concept_output_dir |
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from lilac.db_manager import list_datasets |
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from lilac.env import data_path, env |
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from lilac.utils import get_dataset_output_dir, get_lilac_cache_dir, log |
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def delete_old_files() -> None: |
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"""Delete old files from the cache.""" |
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try: |
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scan = scan_cache_dir() |
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except BaseException: |
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return |
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to_delete = [] |
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for repo in scan.repos: |
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latest_revision = max(repo.revisions, key=lambda x: x.last_modified) |
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to_delete.extend( |
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[revision.commit_hash for revision in repo.revisions if revision != latest_revision]) |
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strategy = scan.delete_revisions(*to_delete) |
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log(f'Will delete {len(to_delete)} old revisions and save {strategy.expected_freed_size_str}') |
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strategy.execute() |
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def main() -> None: |
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"""Download dataset files from the HF space that was uploaded before building the image.""" |
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repo_id = env('SPACE_ID', None) |
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if not repo_id: |
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return |
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delete_old_files() |
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snapshot_dir = snapshot_download(repo_id=repo_id, repo_type='space', token=env('HF_ACCESS_TOKEN')) |
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spaces_data_dir = os.path.join(snapshot_dir, 'data') |
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datasets = list_datasets(spaces_data_dir) |
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for dataset in datasets: |
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spaces_dataset_output_dir = get_dataset_output_dir(spaces_data_dir, dataset.namespace, |
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dataset.dataset_name) |
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persistent_output_dir = get_dataset_output_dir(data_path(), dataset.namespace, |
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dataset.dataset_name) |
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shutil.rmtree(persistent_output_dir, ignore_errors=True) |
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shutil.copytree(spaces_dataset_output_dir, persistent_output_dir) |
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cache_dir = get_lilac_cache_dir(data_path()) |
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if os.path.exists(cache_dir): |
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shutil.rmtree(cache_dir) |
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old_lilac_concepts_data_dir = os.path.join(data_path(), CONCEPTS_DIR, 'lilac') |
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if os.path.exists(old_lilac_concepts_data_dir): |
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shutil.rmtree(old_lilac_concepts_data_dir) |
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spaces_cache_dir = get_lilac_cache_dir(spaces_data_dir) |
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if os.path.exists(spaces_cache_dir): |
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shutil.copytree(spaces_cache_dir, cache_dir) |
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concepts = DiskConceptDB(spaces_data_dir).list() |
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for concept in concepts: |
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if concept.namespace == 'lilac': |
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continue |
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spaces_concept_output_dir = get_concept_output_dir(spaces_data_dir, concept.namespace, |
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concept.name) |
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persistent_output_dir = get_concept_output_dir(data_path(), concept.namespace, concept.name) |
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shutil.rmtree(persistent_output_dir, ignore_errors=True) |
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shutil.copytree(spaces_concept_output_dir, persistent_output_dir, dirs_exist_ok=True) |
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shutil.rmtree(spaces_concept_output_dir, ignore_errors=True) |
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if __name__ == '__main__': |
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main() |
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