Revert "🔧 Stop using the `cgi` stdlib module"

This reverts commit 6b7c2cdc91ca5ba1f6cf3e5d9e8e386266c64ce6.

2 files changed, 2 insertions, 13 deletions

diff --git a/CHANGES.rst b/CHANGES.rst
index 641976d4..35b3f895 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -1,9 +1,3 @@
-v(next)
--------
-
-* Removed the use of :mod:`cgi` deprecated in Python 3.11
-  -- by :user:`webknjaz`.
-
 v18.8.0
 -------
 
diff --git a/cherrypy/lib/httputil.py b/cherrypy/lib/httputil.py
index f852cbd6..ced310a0 100644
--- a/cherrypy/lib/httputil.py
+++ b/cherrypy/lib/httputil.py
@@ -12,8 +12,8 @@ import email.utils
 import re
 import builtins
 from binascii import b2a_base64
+from cgi import parse_header
 from email.header import decode_header
-from email.message import EmailMessage as _EmailMessage
 from http.server import BaseHTTPRequestHandler
 from urllib.parse import unquote_plus
 
@@ -155,12 +155,7 @@ class HeaderElement(object):
     @staticmethod
     def parse(elementstr):
         """Transform 'token;key=val' to ('token', {'key': 'val'})."""
-        msg = _EmailMessage()
-        msg['content-type'] = elementstr
-
-        initial_value = msg.get_content_type()
-        params = dict(msg['content-type'].params)
-
+        initial_value, params = parse_header(elementstr)
         return initial_value, params
 
     @classmethod