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#!/usr/bin/env python3
"""
These are generally for running one-off tasks from the command line. Output
might go to stdout, or might go to Kafka topic.
"""
import sys
import argparse
import datetime
from sandcrawler import *
def run_extract_json(args):
grobid_client = GrobidClient(host_url=args.grobid_host)
wayback_client = WaybackClient()
worker = GrobidWorker(grobid_client, wayback_client, sink=None)
multi_worker = MultiprocessWrapper(worker, args.sink)
pusher = JsonBatchPusher(worker, args.json_file, batch_size=30)
pusher.run()
def run_extract_cdx(args):
grobid_client = GrobidClient(host_url=args.grobid_host)
wayback_client = WaybackClient()
worker = GrobidWorker(grobid_client, wayback_client, sink=None)
multi_worker = MultiprocessWrapper(worker, args.sink)
pusher = CdxLinePusher(multi_worker, args.cdx_file,
filter_http_statuses=[200], filter_mimetypes=['application/pdf'],
batch_size=30)
pusher.run()
def run_extract_zipfile(args):
grobid_client = GrobidClient(host_url=args.grobid_host)
worker = GrobidBlobWorker(grobid_client, sink=args.sink)
pusher = ZipfilePusher(worker, args.zip_file)
pusher.run()
def main():
parser = argparse.ArgumentParser()
parser.add_argument('--kafka-mode',
action='store_true',
help="send output to Kafka (not stdout)")
parser.add_argument('--kafka-hosts',
default="localhost:9092",
help="list of Kafka brokers (host/port) to use")
parser.add_argument('--kafka-env',
default="dev",
help="Kafka topic namespace to use (eg, prod, qa, dev)")
parser.add_argument('--grobid-host',
default="http://grobid.qa.fatcat.wiki",
help="GROBID API host/port")
subparsers = parser.add_subparsers()
sub_extract_json = subparsers.add_parser('extract-json')
sub_extract_json.set_defaults(func=run_extract_json)
sub_extract_json.add_argument('json_file',
help="JSON file to import from (or '-' for stdin)",
type=argparse.FileType('r'))
sub_extract_cdx = subparsers.add_parser('extract-cdx')
sub_extract_cdx.set_defaults(func=run_extract_cdx)
sub_extract_cdx.add_argument('cdx_file',
help="CDX file to import from (or '-' for stdin)",
type=argparse.FileType('r'))
sub_extract_zipfile = subparsers.add_parser('extract-zipfile')
sub_extract_zipfile.set_defaults(func=run_extract_zipfile)
sub_extract_zipfile.add_argument('zip_file',
help="zipfile with PDFs to extract",
type=str)
args = parser.parse_args()
if not args.__dict__.get("func"):
print("tell me what to do!")
sys.exit(-1)
args.sink = None
if args.kafka_mode:
produce_topic = "sandcrawler-{}.grobid-output-json".format(args.kafka_env)
args.sink = KafkaGrobidSink(kafka_hosts=args.kafka_hosts,
produce_topic=produce_topic)
args.func(args)
if __name__ == '__main__':
main()
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