gnu: Add python-durationpy.

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

Change-Id: Ibb3ee965a1f121dc0301f3fdaaea2a432cad5010
Modified-by: Sharlatan Hellseher <sharlatanus@gmail.com>
Signed-off-by: Sharlatan Hellseher <sharlatanus@gmail.com>

gnu/packages/python-xyz.scm

@@ -37154,6 +37154,31 @@ other.")
 nested data structures in Python like lists and dictionaries.")
     (license license:expat)))
 
+(define-public python-durationpy
+  (package
+    (name "python-durationpy")
+    (version "0.10")
+    (source
+     (origin
+       (method git-fetch)
+       (uri (git-reference
+              (url "https://github.com/icholy/durationpy")
+              (commit version)))
+       (file-name (git-file-name name version))
+       (sha256
+        (base32 "1617wg77j68z7v4rbjrhv6n7bchznhgjn21qrmb034sf4hwg77dl"))))
+    (build-system pyproject-build-system)
+    (arguments
+     (list #:test-backend #~'custom
+           #:test-flags #~(list "test.py")))
+     (native-inputs (list python-setuptools))
+     (home-page "https://github.com/icholy/durationpy")
+     (synopsis "Python <-> Golang time duration formats converter")
+     (description
+      "This package implements a functionality to convert between
+Python's @code{datetime.timedelta} and Golang's @code{time.Duration} formats.")
+     (license license:expat)))
+
 (define-public python-murmurhash3
   (let ((commit "01f1128a2c5ea08e6dc33515e140bedd68393a2d")
         (revision "0"))