Add --robotspass shunt for records related to robots.txt
#43
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Example output: https://mirror.ikhoefgeen.nl/WIDE-20121115212638-00463.robots.warc.gz Very rough analysis: #!/usr/bin/env python3
from collections import defaultdict, Counter
import warcio
import sys
from pprint import pprint
from urllib.parse import urlparse
from urllib.robotparser import RobotFileParser
domains = defaultdict(set)
def get_host(url:str) -> str:
return urlparse(url).hostname
def parse_robots_txt(buffer):
lines = buffer.read().decode('utf-8', errors='ignore').splitlines()
parser = RobotFileParser()
parser.parse(lines)
return parser
with open(sys.argv[1], 'rb') as fh:
for record in warcio.ArchiveIterator(fh):
domains[get_host(record.rec_headers.get_header('WARC-Target-URI'))].add((
record.rec_type,
record.rec_headers.get_header('WARC-Date'),
record.http_headers.get_header('Content-Type') if record.http_headers is not None else None,
len(parse_robots_txt(record.content_stream()).entries) > 0 if record.rec_type == 'response' and record.http_headers.get_header('Content-Type') == 'text/plain' else None
))
print(f'{"domain":<40s} req res rev rob')
for domain, records in domains.items():
types = Counter(record[0] for record in records)
hits = sum(1 for record in records if record[3] is not None)
print(f'{domain:<40s} {types["request"]: 4d} {types["response"]: 4d} {types["revisit"]: 4d} {hits: 4d}')req = requests |
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So interesting realisation: I'm matching I'm removing that for now in the hope that it will remove noise from the robots.txt-only warc. |
jelmervdl
commented
Oct 17, 2023
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Tried it by myself and it is working except it fails when adding Truncated output using The warc is |
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Huh, odd. Lemme check what's going on |
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It seems that is also failing in master, so probably not related to this. |
ZJaume
approved these changes
Nov 2, 2023
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Fixes #41.
Necessary for #40.
I also did a little bit of clean-up of the code to make it easier to pass options to the WARCProcessor.