langchain/libs/community/langchain_community/document_loaders/python.py
mwmajewsk f7a1fd91b8
community: better support of pathlib paths in document loaders (#18396)
So this arose from the
https://github.com/langchain-ai/langchain/pull/18397 problem of document
loaders not supporting `pathlib.Path`.

This pull request provides more uniform support for Path as an argument.
The core ideas for this upgrade: 
- if there is a local file path used as an argument, it should be
supported as `pathlib.Path`
- if there are some external calls that may or may not support Pathlib,
the argument is immidiately converted to `str`
- if there `self.file_path` is used in a way that it allows for it to
stay pathlib without conversion, is is only converted for the metadata.

Twitter handle: https://twitter.com/mwmajewsk
2024-03-26 11:51:52 -04:00

20 lines
590 B
Python

import tokenize
from pathlib import Path
from typing import Union
from langchain_community.document_loaders.text import TextLoader
class PythonLoader(TextLoader):
"""Load `Python` files, respecting any non-default encoding if specified."""
def __init__(self, file_path: Union[str, Path]):
"""Initialize with a file path.
Args:
file_path: The path to the file to load.
"""
with open(file_path, "rb") as f:
encoding, _ = tokenize.detect_encoding(f.readline)
super().__init__(file_path=file_path, encoding=encoding)