directory_loader.py 2.4 KB

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  1. import hashlib
  2. import logging
  3. from pathlib import Path
  4. from typing import Any, Dict, Optional
  5. from embedchain.config import AddConfig
  6. from embedchain.data_formatter.data_formatter import DataFormatter
  7. from embedchain.helpers.json_serializable import register_deserializable
  8. from embedchain.loaders.base_loader import BaseLoader
  9. from embedchain.loaders.text_file import TextFileLoader
  10. from embedchain.utils import detect_datatype
  11. @register_deserializable
  12. class DirectoryLoader(BaseLoader):
  13. """Load data from a directory."""
  14. def __init__(self, config: Optional[Dict[str, Any]] = None):
  15. super().__init__()
  16. config = config or {}
  17. self.recursive = config.get("recursive", True)
  18. self.extensions = config.get("extensions", None)
  19. self.errors = []
  20. def load_data(self, path: str):
  21. directory_path = Path(path)
  22. if not directory_path.is_dir():
  23. raise ValueError(f"Invalid path: {path}")
  24. logging.info(f"Loading data from directory: {path}")
  25. data_list = self._process_directory(directory_path)
  26. doc_id = hashlib.sha256((str(data_list) + str(directory_path)).encode()).hexdigest()
  27. for error in self.errors:
  28. logging.warn(error)
  29. return {"doc_id": doc_id, "data": data_list}
  30. def _process_directory(self, directory_path: Path):
  31. data_list = []
  32. for file_path in directory_path.rglob("*") if self.recursive else directory_path.glob("*"):
  33. # don't include dotfiles
  34. if file_path.name.startswith("."):
  35. continue
  36. if file_path.is_file() and (not self.extensions or any(file_path.suffix == ext for ext in self.extensions)):
  37. loader = self._predict_loader(file_path)
  38. data_list.extend(loader.load_data(str(file_path))["data"])
  39. elif file_path.is_dir():
  40. logging.info(f"Loading data from directory: {file_path}")
  41. return data_list
  42. def _predict_loader(self, file_path: Path) -> BaseLoader:
  43. try:
  44. data_type = detect_datatype(str(file_path))
  45. config = AddConfig()
  46. return DataFormatter(data_type=data_type, config=config)._get_loader(
  47. data_type=data_type, config=config.loader, loader=None
  48. )
  49. except Exception as e:
  50. self.errors.append(f"Error processing {file_path}: {e}")
  51. return TextFileLoader()