[bug#41807] [PATCH 21/26] gnu: Add python-dataclasses.

[Giacomo Leidi <goodoldpaul@autistici.org>]

* gnu/packages/python-xyz.scm (python-dataclasses): New variable.
---
 gnu/packages/python-xyz.scm | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)

diff --git a/gnu/packages/python-xyz.scm b/gnu/packages/python-xyz.scm
index d05e336ea7..6cff8a0263 100644
--- a/gnu/packages/python-xyz.scm
+++ b/gnu/packages/python-xyz.scm
@@ -20406,3 +20406,24 @@ runtime inspection of types defined in the Python standard typing module.")
       "@code{python-pyre-extensions} defines extensions to the standard
 @code{typing} module that are supported by the Pyre typechecker.")
     (license license:expat)))
+
+(define-public python-dataclasses
+  (package
+    (name "python-dataclasses")
+    (version "0.7")
+    (source
+      (origin
+        (method url-fetch)
+        (uri (pypi-uri "dataclasses" version))
+        (sha256
+          (base32
+            "1rh8111fbws2vxyf2qy2zw3x6p6cq1jfz8pf904gig5qwg56sjj9"))))
+    (build-system python-build-system)
+    (home-page
+      "https://github.com/ericvsmith/dataclasses")
+    (synopsis
+      "Backport of the @code{dataclasses} module for Python 3.6")
+    (description
+      "This is an implementation of PEP 557, Data Classes. It is a
+backport of the @code{dataclasses} module for Python 3.6.")
+    (license license:asl2.0)))
-- 
2.26.2