Spaces:
Runtime error
Runtime error
| # | |
| # Pyserini: Reproducible IR research with sparse and dense representations | |
| # | |
| # Licensed under the Apache License, Version 2.0 (the "License"); | |
| # you may not use this file except in compliance with the License. | |
| # You may obtain a copy of the License at | |
| # | |
| # http://www.apache.org/licenses/LICENSE-2.0 | |
| # | |
| # Unless required by applicable law or agreed to in writing, software | |
| # distributed under the License is distributed on an "AS IS" BASIS, | |
| # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
| # See the License for the specific language governing permissions and | |
| # limitations under the License. | |
| # | |
| # Implementations of support for specific collections. | |
| import json | |
| class Cord19Article: | |
| """Wrapper class for a raw JSON article from AI2's COVID-19 Open Research Dataset (CORD-19). | |
| Parameters | |
| ---------- | |
| doc : str | |
| A JSON string of a CORD-19 article. | |
| """ | |
| def __init__(self, doc): | |
| self.json = json.loads(doc) | |
| # Performs some basic error checking, throws an exception if user tries to instantiate with something | |
| # that isn't from CORD-19. | |
| if 'cord_uid' in self.json: | |
| self.full_text = False | |
| elif 'paper_id' in self.json: | |
| self.full_text = True | |
| else: | |
| raise TypeError | |
| def is_full_text(self): | |
| return self.json['has_full_text'] | |
| def cord_uid(self): | |
| return self.json['cord_uid'] | |
| def bib_entries(self): | |
| return self.json['bib_entries'] | |
| def title(self): | |
| try: | |
| if self.is_full_text(): | |
| return self.json['metadata']['title'] | |
| else: | |
| return self.json['csv_metadata']['title'] | |
| except KeyError: | |
| return '' | |
| def abstract(self): | |
| try: | |
| # For a full-text article, we can grab the abstract from two independent sources, the metadata or the | |
| # actual full text. Here, we make the decision to use the metadata, even for full text. | |
| return self.json['csv_metadata']['abstract'] | |
| except KeyError: | |
| return '' | |
| def metadata(self): | |
| return self.json['csv_metadata'] | |
| def body(self): | |
| try: | |
| if self.is_full_text(): | |
| return [entry['text'] for entry in self.json['body_text']] | |
| else: | |
| return [] | |
| except KeyError: | |
| return '' | |