gnu: Add python-sgmllib3k.

* gnu/packages/python-xyz.scm (python-sgmllib3k): New variable.

Signed-off-by: Ludovic Courtès <ludo@gnu.org>

gnu/packages/python-xyz.scm

@@ -27815,3 +27815,27 @@ simple mock/record and a complete capture/replay framework.")
      "Ijson is an iterative JSON parser with standard Python iterator
 interfaces.")
     (license license:bsd-3)))
+
+(define-public python-sgmllib3k
+  (package
+    (name "python-sgmllib3k")
+    (version "1.0.0")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (pypi-uri "sgmllib3k" version))
+       (sha256
+        (base32 "1s8jm3dgqabgf8x96931scji679qkhvczlv3qld4qxpsicfgns3q"))))
+    (build-system python-build-system)
+    ;; Requires a test.html input that is not supplied
+    (arguments
+     `(#:tests? #f))
+    (home-page "https://pypi.org/project/sgmllib3k/")
+    ;; Actual homepage seems to be down
+    ;; (home-page "https://hg.hardcoded.net/sgmllib")
+    (synopsis "Python 3 port of sgmllib")
+    (description
+     "This packages provides an unmaintained port of sgmllib to Python 3.
+It is used to parse text files formatted in @acronym{SGML,Standard Generalized
+Mark-up Language}.")
+    (license license:bsd-3)))