Source code for langchain_community.document_loaders.merge
from typing import AsyncIterator, Iterator, List
from langchain_core.documents import Document
from langchain_community.document_loaders.base import BaseLoader
[docs]class MergedDataLoader(BaseLoader):
"""Merge documents from a list of loaders"""
[docs] def __init__(self, loaders: List):
"""Initialize with a list of loaders"""
self.loaders = loaders
[docs] def lazy_load(self) -> Iterator[Document]:
"""Lazy load docs from each individual loader."""
for loader in self.loaders:
# Check if lazy_load is implemented
try:
data = loader.lazy_load()
except NotImplementedError:
data = loader.load()
for document in data:
yield document
[docs] async def alazy_load(self) -> AsyncIterator[Document]:
"""Lazy load docs from each individual loader."""
for loader in self.loaders:
async for document in loader.alazy_load():
yield document