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Diffstat (limited to 'backfill/cdx_fulltext_to_hbase.py')
| -rwxr-xr-x | backfill/cdx_fulltext_to_hbase.py | 169 |
1 files changed, 0 insertions, 169 deletions
diff --git a/backfill/cdx_fulltext_to_hbase.py b/backfill/cdx_fulltext_to_hbase.py deleted file mode 100755 index 757794a..0000000 --- a/backfill/cdx_fulltext_to_hbase.py +++ /dev/null @@ -1,169 +0,0 @@ -#!/usr/bin/env python3 -""" -Streaming Hadoop script to import CDX metadata into the HBase fulltext table, -primarily for URL-agnostic crawl de-duplication. Takes only "fulltext" file -formats. - -Requires: -- happybase - -TODO: -- argparse -- refactor into an object -- tests in separate file -- nose tests -- sentry integration for error reporting -""" - -import sys -import json -import happybase - -NORMAL_MIME = ( - 'application/pdf', - 'application/postscript', - 'text/html', - 'text/xml', - #'application/xml', -) - -def normalize_mime(raw): - raw = raw.lower() - for norm in NORMAL_MIME: - if raw.startswith(norm): - return norm - - # Special cases - if raw.startswith('application/xml'): - return 'text/xml' - if raw.startswith('application/x-pdf'): - return 'application/pdf' - return None - -def test_normalize_mime(): - assert normalize_mime("asdf") == None - assert normalize_mime("application/pdf") == "application/pdf" - assert normalize_mime("application/pdf+journal") == "application/pdf" - assert normalize_mime("Application/PDF") == "application/pdf" - assert normalize_mime("application/p") == None - assert normalize_mime("application/xml+stuff") == "text/xml" - -def transform_line(raw_cdx): - - cdx = raw_cdx.split() - if len(cdx) < 11: - return None - - surt = cdx[0] - dt = cdx[1] - url = cdx[2] - mime = normalize_mime(cdx[3]) - http_status = cdx[4] - if http_status != "200": - return None - key = cdx[5] - c_size = cdx[8] - offset = cdx[9] - warc = cdx[10] - info = dict(surt=surt, dt=dt, url=url, c_size=c_size, offset=offset, - warc=warc) - return {'key': key, 'file:mime': mime, 'file:cdx': info} - -def test_transform_line(): - - raw = "edu,upenn,ldc)/sites/www.ldc.upenn.edu/files/medar2009-large-arabic-broadcast-collection.pdf 20170828233154 https://www.ldc.upenn.edu/sites/www.ldc.upenn.edu/files/medar2009-large-arabic-broadcast-collection.pdf application/pdf 200 WL3FEA62TEU4F52Y5DOVQ62VET4QJW7G - - 210251 931661233 SEMSCHOLAR-PDF-CRAWL-2017-08-04-20170828231135742-00000-00009-wbgrp-svc284/SEMSCHOLAR-PDF-CRAWL-2017-08-04-20170828232253025-00005-3480~wbgrp-svc284.us.archive.org~8443.warc.gz" - correct = { - 'key': "WL3FEA62TEU4F52Y5DOVQ62VET4QJW7G", - 'file:mime': "application/pdf", - 'file:cdx': { - 'surt': "edu,upenn,ldc)/sites/www.ldc.upenn.edu/files/medar2009-large-arabic-broadcast-collection.pdf", - 'url': "https://www.ldc.upenn.edu/sites/www.ldc.upenn.edu/files/medar2009-large-arabic-broadcast-collection.pdf", - 'dt': "20170828233154", - 'warc': "SEMSCHOLAR-PDF-CRAWL-2017-08-04-20170828231135742-00000-00009-wbgrp-svc284/SEMSCHOLAR-PDF-CRAWL-2017-08-04-20170828232253025-00005-3480~wbgrp-svc284.us.archive.org~8443.warc.gz", - 'offset': "931661233", - 'c_size': "210251", - } - } - - assert transform_line(raw) == correct - assert transform_line(raw + "\n") == correct - assert transform_line(raw + " extra_field") == correct - - -def run(in_lines, out_lines, status_lines, table, mime_filter=None): - - if mime_filter is None: - mime_filter = ['application/pdf'] - count_skip = count_invalid = count_fail = count_success = 0 - - for raw_cdx in in_lines.readlines(): - if (raw_cdx.startswith(' ') or raw_cdx.startswith('filedesc') or - raw_cdx.startswith('#')): - # Skip line - count_skip += 1 - continue - - info = transform_line(raw_cdx) - if info is None: - count_invalid += 1 - continue - if info['file:mime'] not in mime_filter: - count_skip += 1 - continue - - key = info.pop('key') - info['file:cdx'] = json.dumps(info['file:cdx'], sort_keys=True, - indent=None) - try: - table.put(key, info) - count_success += 1 - except: - status_lines.write("ERROR\n") # TODO: - count_fail += 1 - - status_lines.write('\n') - status_lines.write('skip\t{}\n'.format(count_skip)) - status_lines.write('invalid\t{}\n'.format(count_invalid)) - status_lines.write('fail\t{}\n'.format(count_fail)) - status_lines.write('success\t{}\n'.format(count_success)) - - -def test_run(): - - import io - import happybase_mock - - out = io.StringIO() - status = io.StringIO() - raw = io.StringIO(""" -com,sagepub,cep)/content/28/9/960.full.pdf 20170705062200 http://cep.sagepub.com/content/28/9/960.full.pdf application/pdf 301 3I42H3S6NNFQ2MSVX7XZKYAYSCX5QBYJ - - 401 313356621 CITESEERX-CRAWL-2017-06-20-20170705061647307-00039-00048-wbgrp-svc284/CITESEERX-CRAWL-2017-06-20-20170705062052659-00043-31209~wbgrp-svc284.us.archive.org~8443.warc.gz -eu,eui,cadmus)/bitstream/handle/1814/36635/rscas_2015_03.pdf;jsessionid=761393014319a39f40d32ae3eb3a853f?sequence=1 20170705062202 http://cadmus.eui.eu/bitstream/handle/1814/36635/RSCAS_2015_03.pdf%3Bjsessionid%3D761393014319A39F40D32AE3EB3A853F?sequence%3D1 application/PDF 200 MPCXVWMUTRUGFP36SLPHKDLY6NGU4S3J - - 854156 328850624 CITESEERX-CRAWL-2017-06-20-20170705061647307-00039-00048-wbgrp-svc284/CITESEERX-CRAWL-2017-06-20-20170705062052659-00043-31209~wbgrp-svc284.us.archive.org~8443.warc.gz -com,pbworks,educ333b)/robots.txt 20170705063311 http://educ333b.pbworks.com/robots.txt text/plain 200 6VAUYENMOU2SK2OWNRPDD6WTQTECGZAD - - 638 398190140 CITESEERX-CRAWL-2017-06-20-20170705062707827-00049-00058-wbgrp-svc284/CITESEERX-CRAWL-2017-06-20-20170705063158203-00053-31209~wbgrp-svc284.us.archive.org~8443.warc.gz -""") - - conn = happybase_mock.Connection() - conn.create_table('wbgrp-journal-extract-test', {'file': {}, 'grobid0': {}}) - - table = conn.table('wbgrp-journal-extract-test') - run(raw, out, status, table) - - print(status.getvalue()) - - assert table.row(b'1') == {} - # HTTP 301 - assert table.row(b'3I42H3S6NNFQ2MSVX7XZKYAYSCX5QBYJ') == {} - # valid - assert table.row(b'MPCXVWMUTRUGFP36SLPHKDLY6NGU4S3J') != {} - # text/plain - assert table.row(b'6VAUYENMOU2SK2OWNRPDD6WTQTECGZAD') == {} - - row = table.row(b'MPCXVWMUTRUGFP36SLPHKDLY6NGU4S3J') - assert row[b'file:mime'] == b"application/pdf" - json.loads(row[b'file:cdx'].decode('utf-8')) - -if __name__=="__main__": - hb = happybase.Connection(host='') - with hb.connection() as conn: - table = conn.table('wbgrp-journal-extract-0-qa') - run(sys.stdin, sys.stdout, sys.stderr, table) - |