from typing import ( AsyncIterable, Callable, ) from library.logging import error_log from nexus.pylon.sources.base import ( DoiSource, PreparedRequest, ) class NejmSource(DoiSource): base_url = 'https://www.nejm.org' resolve_timeout = 10 use_proxy = False async def resolve(self, error_log_func: Callable = error_log) -> AsyncIterable[PreparedRequest]: async with self.get_resolve_session() as session: url = f'{self.base_url}/doi/pdf/{self.doi}' async with PreparedRequest( method='get', url=url, timeout=self.resolve_timeout, ).execute_with(session=session) as resp: yield PreparedRequest(method='get', cookies=resp.cookies, url=str(resp.url), timeout=self.timeout)