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diff --git a/contrib/mergeWarc.py b/contrib/mergeWarc.py
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-#!/usr/bin/env python3
-
-# Copyright (c) 2018 crocoite contributors
-#
-# Permission is hereby granted, free of charge, to any person obtaining a copy
-# of this software and associated documentation files (the "Software"), to deal
-# in the Software without restriction, including without limitation the rights
-# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-# copies of the Software, and to permit persons to whom the Software is
-# furnished to do so, subject to the following conditions:
-#
-# The above copyright notice and this permission notice shall be included in
-# all copies or substantial portions of the Software.
-#
-# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
-# THE SOFTWARE.
-
-"""
-Merge multiple WARC files into a single file, writing revisit records for items
-which occur multiple times
-"""
-
-import shutil, sys, re, os, logging
-from warcio.archiveiterator import ArchiveIterator
-from warcio.warcwriter import WARCWriter
-
-if __name__ == '__main__':
- import argparse
-
- parser = argparse.ArgumentParser(description='Merge WARCs, reads filenames from stdin.')
- parser.add_argument('--verbose', '-v', action='store_true')
- parser.add_argument('output', type=argparse.FileType ('wb'), help='Output WARC')
-
- args = parser.parse_args()
- loglevel = logging.DEBUG if args.verbose else logging.INFO
- logging.basicConfig (level=loglevel)
-
- unique = 0
- revisit = 0
- payloadMap = {}
- writer = WARCWriter (args.output, gzip=True)
- for l in sys.stdin:
- l = l.strip ()
- with open (l, 'rb') as fd:
- for record in ArchiveIterator (fd):
- if record.rec_type in {'resource', 'response'}:
- headers = record.rec_headers
- rid = headers.get_header('WARC-Record-ID')
- csum = headers.get_header('WARC-Payload-Digest')
- dup = payloadMap.get (csum, None)
- if dup is None:
- payloadMap[csum] = {'uri': headers.get_header('WARC-Target-URI'),
- 'id': rid, 'date': headers.get_header('WARC-Date')}
- unique += 1
- else:
- logging.debug ('Record {} is duplicate of {}'.format (rid, dup['id']))
- record = writer.create_revisit_record (dup['uri'], csum, dup['uri'], dup['date'])
- record.rec_headers.add_header ('WARC-Truncated', 'length')
- record.rec_headers.add_header ('WARC-Refers-To', dup['id'])
- revisit += 1
- else:
- unique += 1
- writer.write_record (record)
- logging.info ('Wrote {} unique records, {} revisits'.format (unique, revisit))
-