Created
January 4, 2018 15:19
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Direct to STDOUT all warc data on a particular domain using index.commoncrawl.org
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| import gzip | |
| import json | |
| import requests | |
| from StringIO import StringIO | |
| def get_page_count(searchString): | |
| url = 'http://index.commoncrawl.org/CC-MAIN-2017-51-index?url={}&output=json&showNumPages=true'.format(searchString) | |
| resp = requests.get(url) | |
| return json.loads(resp.content)['pages'] | |
| def search(searchString, page_number): | |
| url = 'http://index.commoncrawl.org/CC-MAIN-2017-51-index?url={}&output=json&page={}'.format(searchString, page_number) | |
| resp = requests.get(url) | |
| pages = [json.loads(x) for x in resp.content.strip().split('\n')] | |
| return pages | |
| def get_warc(page): | |
| offset, length = int(page['offset']), int(page['length']) | |
| offset_end = offset + length - 1 | |
| prefix = 'https://commoncrawl.s3.amazonaws.com/' | |
| url = prefix + page['filename'] | |
| resp = requests.get(url, headers={'Range': 'bytes={}-{}'.format(offset, offset_end)}) | |
| raw_data = StringIO(resp.content) | |
| f = gzip.GzipFile(fileobj=raw_data) | |
| data = f.read() | |
| print data | |
| def get_all_warcs(searchString): | |
| page_count = get_page_count(searchString) | |
| for page_number in xrange(0, page_count): | |
| page_data_list = search(searchString, page_number) | |
| for page_data in page_data_list: | |
| get_warc(page_data) | |
| get_all_warcs('facebook.com/*') |
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python2 warc_fetcher.py > facebook.warc