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13 changes: 10 additions & 3 deletions peerqa/data_loader.py
Original file line number Diff line number Diff line change
@@ -1,17 +1,22 @@
from typing import Iterator, Literal, Union
from pathlib import Path

import pandas as pd
from tqdm.auto import tqdm


class PaperLoader:
def __init__(self, papers_file: str):
self.df = pd.read_json(papers_file, lines=True)
def __init__(self, papers_file: Union[str, Path]):
papers_file = Path(papers_file)
if papers_file.exists() and papers_file.stat().st_size > 0:
self.df = pd.read_json(papers_file, lines=True)
else:
self.df = pd.DataFrame({"paper_id": []})

def __call__(
self,
granularity: Literal["sentences", "paragraphs"],
template: str = None,
template: Union[str, None] = None,
show_progress: bool = True,
) -> Iterator[tuple[str, list[str], list[str]]]:
"""Yields a the paper_id, sentence/paragraph index and sentence/paragraph."""
Expand Down Expand Up @@ -85,6 +90,8 @@ def get_title(self, paper_id: str) -> str:
return title

def has_paper_id(self, paper_id: str) -> bool:
if self.df.empty:
return False
return paper_id in self.df.paper_id.unique()


Expand Down