PU

Python-urllib

http-library Python-urllib

Python's built-in URL library for HTTP requests

About this crawler

Python-urllib is a web crawler identified by the regular-expression pattern Python-urllib in the User-Agent request header. It is categorised as http-library. Use the regex above to detect, log, allow, or block Python-urllib traffic in your web server, CDN edge rules, or robots.txt.

Block-rate · top 25k sites

0.26%
latest snapshot
2026-06-04
matched key: Python-urllib
2026-05-012026-06-040.85%

Technical details

Name
Python-urllib
Pattern
Python-urllib
Tags
http-library
Instances
11 known sample(s)

Sample User-Agent strings

Python-urllib/1.17
Python-urllib/2.5
Python-urllib/2.6
Python-urllib/2.7
Python-urllib/3.1
Python-urllib/3.2
Python-urllib/3.3
Python-urllib/3.4
Python-urllib/3.5
Python-urllib/3.6
Python-urllib/3.7

Block this crawler

robots.txt — disallow Python-urllib:

User-agent: Python-urllib Disallow: /

Apache .htaccess — return 403:

RewriteEngine On RewriteCond %{HTTP_USER_AGENT} Python-urllib [NC] RewriteRule .* - [F,L]

Nginx — return 403 inside a server block:

if ($http_user_agent ~* "Python-urllib") { return 403; }
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