#1124617 mailman3-web: Cron-Job - SyntaxWarning: invalid escape sequence

Package:
mailman3-web
Source:
mailman3-web
Submitter:
Jochen Pawletta
Date:
2026-01-04 20:23:03 UTC
Severity:
normal
#1124617#5
Date:
2026-01-04 10:36:16 UTC
From:
To:
Hello

I get many mails with this:

Subject: Cron <www-data@anton>     [ -f /usr/bin/django-admin ] && systemctl is-active --quiet mailman3-web && flock -n
        /var/run/mailman3-web/cron.daily /usr/share/mailman3-web/manage.py runjobs daily

/usr/lib/python3/dist-packages/robot_detection.py:13: SyntaxWarning: invalid escape sequence '\-'
  'google\-sitemaps',
/usr/lib/python3/dist-packages/robot_detection.py:27: SyntaxWarning: invalid escape sequence '\/'
  '^voyager\/',
/usr/lib/python3/dist-packages/robot_detection.py:34: SyntaxWarning: invalid escape sequence '\-'
  'fast\-webcrawler',
/usr/lib/python3/dist-packages/robot_detection.py:35: SyntaxWarning: invalid escape sequence '\-'
  'ia_archiver\-web\.archive\.org', # Must be before ia_archiver to avoid confusion with alexa
/usr/lib/python3/dist-packages/robot_detection.py:40: SyntaxWarning: invalid escape sequence '\-'
  'msnbot\-media',
/usr/lib/python3/dist-packages/robot_detection.py:43: SyntaxWarning: invalid escape sequence '\.'
  'relevantnoise\.com',
/usr/lib/python3/dist-packages/robot_detection.py:55: SyntaxWarning: invalid escape sequence '\.'
  'acme\.spider',
/usr/lib/python3/dist-packages/robot_detection.py:67: SyntaxWarning: invalid escape sequence '\.'
  'atn\.txt',
/usr/lib/python3/dist-packages/robot_detection.py:76: SyntaxWarning: invalid escape sequence '\-'
  'borg\-bot',
/usr/lib/python3/dist-packages/robot_detection.py:106: SyntaxWarning: invalid escape sequence '\-'
  'e\-collector',
/usr/lib/python3/dist-packages/robot_detection.py:171: SyntaxWarning: invalid escape sequence '\.'
  'labelgrabber\.txt',
/usr/lib/python3/dist-packages/robot_detection.py:193: SyntaxWarning: invalid escape sequence '\.'
  'nederland\.zoek',
/usr/lib/python3/dist-packages/robot_detection.py:197: SyntaxWarning: invalid escape sequence '\-'
  'newscan\-online',
/usr/lib/python3/dist-packages/robot_detection.py:238: SyntaxWarning: invalid escape sequence '\-'
  'search\-info',
/usr/lib/python3/dist-packages/robot_detection.py:247: SyntaxWarning: invalid escape sequence '\-'
  'site\-valet',
/usr/lib/python3/dist-packages/robot_detection.py:313: SyntaxWarning: invalid escape sequence '\-'
  'wired\-digital',
/usr/lib/python3/dist-packages/robot_detection.py:324: SyntaxWarning: invalid escape sequence '\-'
  '1\-more_scanner',
/usr/lib/python3/dist-packages/robot_detection.py:325: SyntaxWarning: invalid escape sequence '\-'
  'accoona\-ai\-agent',
/usr/lib/python3/dist-packages/robot_detection.py:334: SyntaxWarning: invalid escape sequence '\.'
  'archive\.org_bot',
/usr/lib/python3/dist-packages/robot_detection.py:336: SyntaxWarning: invalid escape sequence '\.'
  'arianna\.libero\.it',
/usr/lib/python3/dist-packages/robot_detection.py:354: SyntaxWarning: invalid escape sequence '\.'
  'bncf\.firenze\.sbn\.it\/raccolta\.txt',
/usr/lib/python3/dist-packages/robot_detection.py:356: SyntaxWarning: invalid escape sequence '\.'
  'boitho\.com\-dc',
/usr/lib/python3/dist-packages/robot_detection.py:357: SyntaxWarning: invalid escape sequence '\-'
  'bookmark\-manager',
/usr/lib/python3/dist-packages/robot_detection.py:366: SyntaxWarning: invalid escape sequence '\-'
  'commons\-httpclient',
/usr/lib/python3/dist-packages/robot_detection.py:375: SyntaxWarning: invalid escape sequence '\/'
  'datafountains\/dmoz_downloader',
/usr/lib/python3/dist-packages/robot_detection.py:379: SyntaxWarning: invalid escape sequence '\.'
  'dipsie\.bot',
/usr/lib/python3/dist-packages/robot_detection.py:382: SyntaxWarning: invalid escape sequence '\.'
  'domainsdb\.net',
/usr/lib/python3/dist-packages/robot_detection.py:385: SyntaxWarning: invalid escape sequence '\.'
  'dumm\.de\-bot',
/usr/lib/python3/dist-packages/robot_detection.py:386: SyntaxWarning: invalid escape sequence '\.'
  'earthcom\.info',
/usr/lib/python3/dist-packages/robot_detection.py:388: SyntaxWarning: invalid escape sequence '\-'
  'edgeio\-retriever',
/usr/lib/python3/dist-packages/robot_detection.py:394: SyntaxWarning: invalid escape sequence '\-'
  'everest\-vulcan',
/usr/lib/python3/dist-packages/robot_detection.py:398: SyntaxWarning: invalid escape sequence '\.'
  'fast_enterprise_crawler.*crawleradmin\.t\-info@telekom\.de',
/usr/lib/python3/dist-packages/robot_detection.py:399: SyntaxWarning: invalid escape sequence '\-'
  'fast_enterprise_crawler.*t\-info_bi_cluster_crawleradmin\.t\-info@telekom\.de',
/usr/lib/python3/dist-packages/robot_detection.py:400: SyntaxWarning: invalid escape sequence '\.'
  'matrix_s\.p\.a\._\-_fast_enterprise_crawler', # must come before fast enterprise crawler
/usr/lib/python3/dist-packages/robot_detection.py:402: SyntaxWarning: invalid escape sequence '\-'
  'fast\-search\-engine',
/usr/lib/python3/dist-packages/robot_detection.py:407: SyntaxWarning: invalid escape sequence '\-'
  'feedfetcher\-google',
/usr/lib/python3/dist-packages/robot_detection.py:415: SyntaxWarning: invalid escape sequence '\.'
  'fooky\.com\/ScorpionBot',
/usr/lib/python3/dist-packages/robot_detection.py:423: SyntaxWarning: invalid escape sequence '\.'
  'goforit\.com',
/usr/lib/python3/dist-packages/robot_detection.py:436: SyntaxWarning: invalid escape sequence '\.'
  'hundesuche\.com\-bot',
/usr/lib/python3/dist-packages/robot_detection.py:438: SyntaxWarning: invalid escape sequence '\-'
  'iltrovatore\-setaccio',
/usr/lib/python3/dist-packages/robot_detection.py:453: SyntaxWarning: invalid escape sequence '\.'
  'kamano\.de_newsfeedverzeichnis',
/usr/lib/python3/dist-packages/robot_detection.py:458: SyntaxWarning: invalid escape sequence '\-'
  'kinja\-imagebot',
/usr/lib/python3/dist-packages/robot_detection.py:460: SyntaxWarning: invalid escape sequence '\.'
  'knowledge\.com',
/usr/lib/python3/dist-packages/robot_detection.py:466: SyntaxWarning: invalid escape sequence '\.'
  'letscrawl\.com',
/usr/lib/python3/dist-packages/robot_detection.py:470: SyntaxWarning: invalid escape sequence '\-'
  'metager\-linkchecker',       # Must be before linkchecker
/usr/lib/python3/dist-packages/robot_detection.py:472: SyntaxWarning: invalid escape sequence '\.'
  'livejournal\.com',
/usr/lib/python3/dist-packages/robot_detection.py:474: SyntaxWarning: invalid escape sequence '\-'
  'lwp\-request',
/usr/lib/python3/dist-packages/robot_detection.py:475: SyntaxWarning: invalid escape sequence '\-'
  'lwp\-trivial',
/usr/lib/python3/dist-packages/robot_detection.py:477: SyntaxWarning: invalid escape sequence '\.'
  'mail\.ru',
/usr/lib/python3/dist-packages/robot_detection.py:478: SyntaxWarning: invalid escape sequence '\.'
  'mapoftheinternet\.com',
/usr/lib/python3/dist-packages/robot_detection.py:479: SyntaxWarning: invalid escape sequence '\-'
  'mediapartners\-google',
/usr/lib/python3/dist-packages/robot_detection.py:483: SyntaxWarning: invalid escape sequence '\-'
  'mini\-reptile',
/usr/lib/python3/dist-packages/robot_detection.py:492: SyntaxWarning: invalid escape sequence '\.'
  'ms_search_4\.0_robot',
/usr/lib/python3/dist-packages/robot_detection.py:507: SyntaxWarning: invalid escape sequence '\-'
  'nutchosu\-vlib',
/usr/lib/python3/dist-packages/robot_detection.py:512: SyntaxWarning: invalid escape sequence '\.'
  'onet\.pl[_+ ]sa',
/usr/lib/python3/dist-packages/robot_detection.py:520: SyntaxWarning: invalid escape sequence '\.'
  'passwordmaker\.org',
/usr/lib/python3/dist-packages/robot_detection.py:526: SyntaxWarning: invalid escape sequence '\.'
  'ping\.blo\.gs',
/usr/lib/python3/dist-packages/robot_detection.py:534: SyntaxWarning: invalid escape sequence '\-'
  'projectwf\-java\-test\-crawler',
/usr/lib/python3/dist-packages/robot_detection.py:551: SyntaxWarning: invalid escape sequence '\-'
  'shim\-crawler',
/usr/lib/python3/dist-packages/robot_detection.py:554: SyntaxWarning: invalid escape sequence '\.'
  'snap\.com_beta_crawler',
/usr/lib/python3/dist-packages/robot_detection.py:555: SyntaxWarning: invalid escape sequence '\-'
  'sohu\-search',
/usr/lib/python3/dist-packages/robot_detection.py:563: SyntaxWarning: invalid escape sequence '\-'
  'suchfin\-bot',
/usr/lib/python3/dist-packages/robot_detection.py:575: SyntaxWarning: invalid escape sequence '\-'
  't\-h\-u\-n\-d\-e\-r\-s\-t\-o\-n\-e',
/usr/lib/python3/dist-packages/robot_detection.py:585: SyntaxWarning: invalid escape sequence '\-'
  'unido\-bot',
/usr/lib/python3/dist-packages/robot_detection.py:587: SyntaxWarning: invalid escape sequence '\-'
  'ustc\-semantic\-group',
/usr/lib/python3/dist-packages/robot_detection.py:588: SyntaxWarning: invalid escape sequence '\-'
  'vagabondo\-wap',
/usr/lib/python3/dist-packages/robot_detection.py:591: SyntaxWarning: invalid escape sequence '\.'
  'versus_crawler_from_eda\.baykan@epfl\.ch',
/usr/lib/python3/dist-packages/robot_detection.py:594: SyntaxWarning: invalid escape sequence '\/'
  'vse\/',
/usr/lib/python3/dist-packages/robot_detection.py:595: SyntaxWarning: invalid escape sequence '\-'
  'w3c\-checklink',
/usr/lib/python3/dist-packages/robot_detection.py:600: SyntaxWarning: invalid escape sequence '\.'
  'webclipping\.com',
/usr/lib/python3/dist-packages/robot_detection.py:602: SyntaxWarning: invalid escape sequence '\.'
  'webcrawl\.net',
/usr/lib/python3/dist-packages/robot_detection.py:619: SyntaxWarning: invalid escape sequence '\-'
  'yahoo\-blogs',
/usr/lib/python3/dist-packages/robot_detection.py:620: SyntaxWarning: invalid escape sequence '\-'
  'yahoo\-verticalcrawler',
/usr/lib/python3/dist-packages/robot_detection.py:622: SyntaxWarning: invalid escape sequence '\-'
  'yahooseeker\-testing',
/usr/lib/python3/dist-packages/robot_detection.py:624: SyntaxWarning: invalid escape sequence '\-'
  'yahoo\-mmcrawler',
/usr/lib/python3/dist-packages/robot_detection.py:630: SyntaxWarning: invalid escape sequence '\-'
  'z\-add_link_checker',
/usr/lib/python3/dist-packages/robot_detection.py:635: SyntaxWarning: invalid escape sequence '\/'
  'ng\/1\.', # put at end to avoid false positive
/usr/lib/python3/dist-packages/robot_detection.py:636: SyntaxWarning: invalid escape sequence '\/'
  'ng\/2\.', # put at end to avoid false positive
/usr/lib/python3/dist-packages/robot_detection.py:641: SyntaxWarning: invalid escape sequence '\/'
  'java\/[0-9]'   # put at end to avoid false positive
/usr/lib/python3/dist-packages/robot_detection.py:652: SyntaxWarning: invalid escape sequence '\s'
  'bot[\s_+:,\.\;\/\\\-]',
/usr/lib/python3/dist-packages/robot_detection.py:653: SyntaxWarning: invalid escape sequence '\s'
  '[\s_+:,\.\;\/\\\-]bot',


Please do something to stop it. :-)


Jochen
#1124617#10
Date:
2026-01-04 13:34:17 UTC
From:
To:
   ....


What is the output of

    dpkg -S /usr/lib/python3/dist-packages/robot_detection.py



Groeten
Geert Stappers
#1124617#15
Date:
2026-01-04 18:53:44 UTC
From:
To:
Am Sonntag, 2026-01-04 um 14:34:17 +0100 schrieb Geert Stappers:

# dpkg -S /usr/lib/python3/dist-packages/robot_detection.py
python3-robot-detection: /usr/lib/python3/dist-packages/robot_detection.py


mfg Jochen
#1124617#20
Date:
2026-01-04 20:18:20 UTC
From:
To:
reassign 1124617 python3-robot-detection
retitle 1124617 python3-robot-detection: Cron-Job - SyntaxWarning: invalid escape sequence
thanks

reassigned (if I did address control@bugs.debian.org correctly)


Regards
Geert Stappers
Did not check if the issue was already reported to python3-robot-detection