diff options
Diffstat (limited to 'backfill')
| -rwxr-xr-x | backfill/backfill_hbase_from_cdx.py | 35 | ||||
| -rw-r--r-- | backfill/tests/test_backfill_hbase_from_cdx.py | 31 |
2 files changed, 42 insertions, 24 deletions
diff --git a/backfill/backfill_hbase_from_cdx.py b/backfill/backfill_hbase_from_cdx.py index 92a6d32..d14dd92 100755 --- a/backfill/backfill_hbase_from_cdx.py +++ b/backfill/backfill_hbase_from_cdx.py @@ -18,6 +18,7 @@ TODO: import sys import json +from datetime import datetime import happybase import mrjob from mrjob.job import MRJob @@ -27,7 +28,6 @@ NORMAL_MIME = ( 'application/postscript', 'text/html', 'text/xml', - #'application/xml', ) def normalize_mime(raw): @@ -62,15 +62,31 @@ def transform_line(raw_cdx): 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] + + if not (key.isalnum() and c_size.isdigit() and offset.isdigit() + and http_status == "200" and len(key) == 32 and dt.isdigit()): + return None + + if '-' in (surt, dt, url, mime, http_status, key, c_size, offset, warc): + return None + 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} + + warc_file = warc.split('/')[-1] + dt_iso = datetime.strptime(dt, "%Y%m%d%H%M%S").isoformat() + try: + dt_iso = datetime.strptime(dt, "%Y%m%d%H%M%S").isoformat() + except: + return None + + # 'i' intentionally not set + heritrix = dict(u=url, d=dt_iso, f=warc_file, o=offset, c="1") + return {'key': key, 'file:mime': mime, 'file:cdx': info, 'f:c': heritrix} def test_transform_line(): @@ -85,6 +101,13 @@ def test_transform_line(): '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", + }, + 'f:c': { + 'u': "https://www.ldc.upenn.edu/sites/www.ldc.upenn.edu/files/medar2009-large-arabic-broadcast-collection.pdf", + 'd': "2017-08-28T23:31:54", + 'f': "SEMSCHOLAR-PDF-CRAWL-2017-08-04-20170828232253025-00005-3480~wbgrp-svc284.us.archive.org~8443.warc.gz", + 'o': "931661233", + 'c': "1", } } @@ -120,6 +143,7 @@ class MRCDXBackfillHBase(MRJob): self.hb_table = None super(MRCDXBackfillHBase, self).__init__(*args, **kwargs) + self.mime_filter = ['application/pdf'] def mapper_init(self): @@ -131,8 +155,6 @@ class MRCDXBackfillHBase(MRJob): raise Exception("Couldn't connect to HBase using host: {}".format(host)) self.hb_table = hb_conn.table(self.options.hbase_table) - self.mime_filter = ['application/pdf'] - def mapper(self, _, raw_cdx): self.increment_counter('lines', 'total') @@ -154,6 +176,7 @@ class MRCDXBackfillHBase(MRJob): return key = info.pop('key') + info['f:c'] = json.dumps(info['f:c'], sort_keys=True, indent=None) info['file:cdx'] = json.dumps(info['file:cdx'], sort_keys=True, indent=None) diff --git a/backfill/tests/test_backfill_hbase_from_cdx.py b/backfill/tests/test_backfill_hbase_from_cdx.py index dfed0b3..d8277be 100644 --- a/backfill/tests/test_backfill_hbase_from_cdx.py +++ b/backfill/tests/test_backfill_hbase_from_cdx.py @@ -8,29 +8,18 @@ from backfill_hbase_from_cdx import MRCDXBackfillHBase @pytest.fixture def job(): + """ + Note: this mock only seems to work with job.run_mapper(), not job.run(); + the later results in a separate instantiation without the mock? + """ conn = happybase_mock.Connection() - conn.create_table('wbgrp-journal-extract-test', {'file': {}, 'grobid0': {}}) + conn.create_table('wbgrp-journal-extract-test', + {'file': {}, 'grobid0': {}, 'f': {}}) table = conn.table('wbgrp-journal-extract-test') job = MRCDXBackfillHBase(['--no-conf', '-'], hb_table=table) - job.hb_table = table return job -#Example to read back rows... -""" -def basic_job_run_capturing_output(job): - - job.sandbox(stdin=open('tests/files/example.cdx', 'r')) - results = [] - with job.make_runner() as runner: - runner.run() - for key, value in job.parse_output(runner.cat_output()): - results.append(value) - - print(results) - assert len(list(job.hb_table.scan())) == 5 -""" - def test_some_lines(job): raw = io.BytesIO(b""" @@ -52,4 +41,10 @@ com,pbworks,educ333b)/robots.txt 20170705063311 http://educ333b.pbworks.com/robo row = job.hb_table.row(b'MPCXVWMUTRUGFP36SLPHKDLY6NGU4S3J') assert row[b'file:mime'] == b"application/pdf" - json.loads(row[b'file:cdx'].decode('utf-8')) + + file_cdx = json.loads(row[b'file:cdx'].decode('utf-8')) + assert int(file_cdx['offset']) == 328850624 + + f_c = json.loads(row[b'f:c'].decode('utf-8')) + assert f_c['u'] == "http://cadmus.eui.eu/bitstream/handle/1814/36635/RSCAS_2015_03.pdf%3Bjsessionid%3D761393014319A39F40D32AE3EB3A853F?sequence%3D1" + assert b'i' not in f_c |