forked from Archives/langchain
You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
57 lines
1.8 KiB
Python
57 lines
1.8 KiB
Python
"""Loading logic for loading documents from a directory."""
|
|
import logging
|
|
from pathlib import Path
|
|
from typing import List, Type, Union
|
|
|
|
from langchain.docstore.document import Document
|
|
from langchain.document_loaders.base import BaseLoader
|
|
from langchain.document_loaders.text import TextLoader
|
|
from langchain.document_loaders.unstructured import UnstructuredFileLoader
|
|
|
|
FILE_LOADER_TYPE = Union[Type[UnstructuredFileLoader], Type[TextLoader]]
|
|
logger = logging.getLogger(__file__)
|
|
|
|
|
|
def _is_visible(p: Path) -> bool:
|
|
parts = p.parts
|
|
for _p in parts:
|
|
if _p.startswith("."):
|
|
return False
|
|
return True
|
|
|
|
|
|
class DirectoryLoader(BaseLoader):
|
|
"""Loading logic for loading documents from a directory."""
|
|
|
|
def __init__(
|
|
self,
|
|
path: str,
|
|
glob: str = "**/[!.]*",
|
|
silent_errors: bool = False,
|
|
load_hidden: bool = False,
|
|
loader_cls: FILE_LOADER_TYPE = UnstructuredFileLoader,
|
|
):
|
|
"""Initialize with path to directory and how to glob over it."""
|
|
self.path = path
|
|
self.glob = glob
|
|
self.load_hidden = load_hidden
|
|
self.loader_cls = loader_cls
|
|
self.silent_errors = silent_errors
|
|
|
|
def load(self) -> List[Document]:
|
|
"""Load documents."""
|
|
p = Path(self.path)
|
|
docs = []
|
|
for i in p.glob(self.glob):
|
|
if i.is_file():
|
|
if _is_visible(i.relative_to(p)) or self.load_hidden:
|
|
try:
|
|
sub_docs = self.loader_cls(str(i)).load()
|
|
docs.extend(sub_docs)
|
|
except Exception as e:
|
|
if self.silent_errors:
|
|
logger.warning(e)
|
|
else:
|
|
raise e
|
|
return docs
|