From e252c2cd52cc91526923ac43f714f7bab767bf93 Mon Sep 17 00:00:00 2001
From: Sharlatan Hellseher <sharlatanus@gmail.com>
Date: Sun, 2 Jan 2022 22:43:17 +0000
Subject: [PATCH 6/6] gnu: Add gwcs

* gnu/packages/astronomy.scm: (python-gwcs): New variable.
---
 gnu/packages/astronomy.scm | 51 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 51 insertions(+)

diff --git a/gnu/packages/astronomy.scm b/gnu/packages/astronomy.scm
index e3c7495ed4..77f8cfa024 100644
--- a/gnu/packages/astronomy.scm
+++ b/gnu/packages/astronomy.scm
@@ -66,6 +66,7 @@ (define-module (gnu packages astronomy)
   #:use-module (guix build-system cmake)
   #:use-module (guix build-system gnu)
   #:use-module (guix build-system python)
+  #:use-module (guix gexp)
   #:use-module (ice-9 match)
   #:use-module (srfi srfi-1))
 
@@ -1438,3 +1439,53 @@ (define-public python-skyfield
      "Skyfield computes positions for the stars, planets, and satellites in
 orbit around the Earth.")
     (license license:expat)))
+
+(define-public python-gwcs
+  (package
+    (name "python-gwcs")
+    (version "0.18.0")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (pypi-uri "gwcs" version))
+       (sha256
+        (base32 "194j49m8xjjzv9pp8cnj06igz8sdxb0nphyybcc7mhigw0f0kr30"))))
+    (build-system python-build-system)
+    (arguments
+     (list #:phases
+           #~(modify-phases %standard-phases
+               (replace 'check
+                 (lambda* (#:key inputs outputs tests? #:allow-other-keys)
+                   (when tests?
+                     (add-installed-pythonpath inputs outputs)
+                     ;; NOTE: (Sharlatan-20211229T163203+0000): Check if tests
+                     ;; need to be run via tox
+                     (invoke "python" "-m" "pytest" "--pyargs" "gwcs")))))))
+    (native-inputs
+     (list python-jsonschema
+           python-jmespath
+           python-pytest
+           python-pytest-doctestplus
+           python-pyyaml
+           python-semantic-version
+           python-setuptools-scm))
+    (inputs
+     (list python-asdf
+           python-asdf-astropy
+           python-astropy
+           python-asdf-wcs-schemas
+           python-numpy
+           python-scipy))
+    (home-page "https://gwcs.readthedocs.io/en/latest/")
+    (synopsis "Generalized World Coordinate System")
+    (description
+     "Generalized World Coordinate System (GWCS) is an Astropy affiliated package
+providing tools for managing the World Coordinate System of astronomical data.
+
+GWCS takes a general approach to the problem of expressing transformations
+between pixel and world coordinates.  It supports a data model which includes the
+entire transformation pipeline from input coordinates (detector by default) to
+world coordinates.  It is tightly integrated with Astropy.")
+    ;; NOTE: (Sharlatan-20211229T210517+0000): There is no reference to any
+    ;; license in source.
+   (license #f)))
-- 
2.34.0