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Diffstat (limited to 'scraper/s2-search-deep.py')
| -rw-r--r-- | scraper/s2-search-deep.py | 98 |
1 files changed, 98 insertions, 0 deletions
diff --git a/scraper/s2-search-deep.py b/scraper/s2-search-deep.py new file mode 100644 index 00000000..05a49836 --- /dev/null +++ b/scraper/s2-search-deep.py @@ -0,0 +1,98 @@ +import os +import sys +import csv +import subprocess +import time +import random +import re +import simplejson as json +import click +from s2 import SemanticScholarAPI +from util import * +from importlib import import_module +raw_paper_module = import_module('s2-raw-papers') + +''' +s2 search API format: +results +matchedAuthors +matchedPresentations +query +querySuggestions +results +stats +totalPages +totalResults +''' + +s2 = SemanticScholarAPI() + +MAX_PAGES = 20 + +def fetch_query(query, since=None, refresh=False): + clean_title = re.sub(r'[^-0-9a-zA-Z ]+', '', query) + yearFilter = {'min': since, 'max': 2020 } if since else None + results_path = './datasets/s2/search/{}'.format(clean_title) + os.makedirs(results_path, exist_ok=True) + page = 1 + total = 0 + paper_ids = {} + + while True: + dump_fn = '{}/{}.json'.format(results_path, page) + #print(dump_fn) + if not refresh and os.path.exists(dump_fn): + results = read_json(dump_fn) + else: + results = s2.search(q=clean_title.replace(' ', '+'), page=page, pageSize=10, yearFilter=yearFilter) + write_json(dump_fn, results) + time.sleep(5) + + #print(results) + if not results or len(results['results']) == 0: + break + + total += len(results['results']) + + print("+ {} page {}".format(query, page)) + + for result in results['results']: + paper_id = result['id'] + if paper_id not in paper_ids: + paper_ids[paper_id] = True + page += 1 + if page > MAX_PAGES: + break + if total >= results['totalResults'] - 9: + break + return paper_ids + +@click.command() +@click.option('--refresh/--no-refresh', '-f', help='Force it to query the paper API again') +def search_deep(refresh): + s2_queries = fetch_google_sheet_objects("s2_queries") + os.makedirs('./datasets/s2/search_papers', exist_ok=True) + for row in s2_queries: + since = row['since'] + if not since: + continue + since = int(since) + queries = [] + row_paper_ids = {} + for i in range(1, 6): + query_key = 'query{}'.format(i) + query = row[query_key] + if query: + paper_ids = fetch_query(query, since, refresh) + for paper_id in paper_ids: + row_paper_ids[paper_id] = True + + paper_ids = list(row_paper_ids.keys()) + if len(paper_ids): + print("Writing {} paper ids".format(len(paper_ids))) + row_fn = './datasets/s2/search_papers/{}.json'.format(row['key']) + write_json(row_fn, paper_ids) + parallelize(raw_paper_module.fetch_raw_paper, [(id,) for id in paper_ids]) + +if __name__ == '__main__': + search_deep() |
