From fb6ec92e3f039e015e4a3530230ff95b019b0895 Mon Sep 17 00:00:00 2001
From: Sharlatan Hellseher <sharlatanus@gmail.com>
Date: Thu, 15 Jan 2026 13:25:33 +0000
Subject: gnu: Add python-gwcs-1 and python-gwcs-0.

* gnu/packages/astronomy.scm (python-gwcs-0, python-gwcs-1): New variables.
(python-gwcs-0, python-gwcs-0.21): Inherit from python-gwcs-1.
(python-gwcs): Pin to python-gwcs-0.

Change-Id: I94291aa749667cd94073e434822978c7b5efbd7c
---
 gnu/packages/astronomy.scm | 26 +++++++++++++++++++++-----
 1 file changed, 21 insertions(+), 5 deletions(-)

(limited to 'gnu')

diff --git a/gnu/packages/astronomy.scm b/gnu/packages/astronomy.scm
index eb64879bac..4d7360458b 100644
--- a/gnu/packages/astronomy.scm
+++ b/gnu/packages/astronomy.scm
@@ -5313,18 +5313,18 @@ and a 3D volume rendering viewer.")
 specifically pulsar timing array signals.")
     (license license:expat)))
 
-(define-public python-gwcs
+(define-public python-gwcs-1
   (package
     (name "python-gwcs")
-    (version "0.26.1")
+    (version "1.0.0")
     (source
      (origin
        (method url-fetch)
        (uri (pypi-uri "gwcs" version))
        (sha256
-        (base32 "0gkxgwzlazg0xihhgg9vlss6jj7lg6i6r2z6igpxcnyc5s147d0p"))))
+        (base32 "08s7blad5idafx565745my72hjsxz4dqrg2kzppqw2isgr7bs8gr"))))
     (build-system pyproject-build-system)
-    ;; tests: 1023 passed, 10 skipped, 10 warnings
+    ;; tests: 1038 passed, 6 skipped, 10 warnings
     (native-inputs
      (list python-pytest
            python-pytest-astropy
@@ -5352,7 +5352,7 @@ default) to world coordinates.")
 
 (define-public python-gwcs-0.21
   (package
-    (inherit python-gwcs)
+    (inherit python-gwcs-1)
     (name "python-gwcs")
     (version "0.21.0")
     (source
@@ -5366,6 +5366,22 @@ default) to world coordinates.")
        (replace "python-astropy" python-astropy-6)
        (replace "python-asdf" python-asdf-3)))))
 
+;; The last 0.X.X version, providing breaking changes with 1.X.X.
+(define-public python-gwcs-0
+  (package
+    (inherit python-gwcs-1)
+    (version "0.26.1")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (pypi-uri "gwcs" version))
+       (sha256
+        (base32 "0gkxgwzlazg0xihhgg9vlss6jj7lg6i6r2z6igpxcnyc5s147d0p"))))))
+
+;; Not all of the dependeds are ready to use 1.X.X, pin on the highest 0.X.X
+;; for now.
+(define-public python-gwcs python-gwcs-0)
+
 (define-public python-halotools
   (package
     (name "python-halotools")
-- 
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