from typing import List, Dict, Any, Optional
from datetime import datetime
import requests
import os
from PyPDF2 import PdfReader
from loguru import logger
from ..types import Paper, PaperSource
class ResearchGateSearcher(PaperSource):
"""Searcher for ResearchGate papers
Note: ResearchGate does not provide an official public API
This implementation is a placeholder
"""
def search(self, query: str, max_results: int = 10) -> List[Paper]:
"""Search ResearchGate for papers
Note: ResearchGate does not provide an official public API
"""
logger.warning("ResearchGate does not provide an official public API")
logger.warning("Please use manual search at https://www.researchgate.net/")
return []
def download_pdf(self, paper_id: str, save_path: str) -> str:
"""Download PDF from ResearchGate
Note: Requires account and author permission
"""
logger.warning("ResearchGate PDF download requires account and author permission")
raise NotImplementedError("ResearchGate PDF download requires account and author permission")
def read_paper(self, paper_id: str, save_path: str = "./downloads") -> str:
"""Read a paper and convert it to text format"""
pdf_path = os.path.join(save_path, f"{paper_id}.pdf")
if not os.path.exists(pdf_path):
raise FileNotFoundError(f"PDF not found: {pdf_path}. ResearchGate requires manual download.")
# Read the PDF
try:
reader = PdfReader(pdf_path)
text = ""
for page in reader.pages:
text += page.extract_text() + "\n"
return text.strip()
except Exception as e:
logger.error(f"Error reading PDF for {paper_id}: {e}")
return ""
if __name__ == "__main__":
# Test ResearchGateSearcher
searcher = ResearchGateSearcher()
# Test search
print("Testing search functionality...")
query = "machine learning"
max_results = 5
try:
papers = searcher.search(query, max_results=max_results)
print(f"Found {len(papers)} papers for query '{query}':")
for i, paper in enumerate(papers, 1):
print(f"{i}. {paper.title} (ID: {paper.paper_id})")
except Exception as e:
print(f"Error during search: {e}")
