21.5. "urllib" — URL handling modules
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**Source code:** Lib/urllib/

======================================================================

"urllib" is a package that collects several modules for working with
URLs:

* "urllib.request" for opening and reading URLs

* "urllib.error" containing the exceptions raised by
  "urllib.request"

* "urllib.parse" for parsing URLs

* "urllib.robotparser" for parsing "robots.txt" files
