From d7245f0852a1a2f39bdba277b4287e2a753955a6 Mon Sep 17 00:00:00 2001
From: Sharlatan Hellseher <sharlatanus@gmail.com>
Date: Mon, 26 Apr 2021 20:52:09 +0100
Subject: [PATCH 1/6] gnu: Add python-astropy.

* gnu/packages/astronomy.scm (python-astropy): New variable.
---
 gnu/packages/astronomy.scm | 48 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 48 insertions(+)

diff --git a/gnu/packages/astronomy.scm b/gnu/packages/astronomy.scm
index 6d1c4ddfe6..b32f3f7cf5 100644
--- a/gnu/packages/astronomy.scm
+++ b/gnu/packages/astronomy.scm
@@ -547,6 +547,54 @@ accurately in real time at any rate desired.")
      `(#:configure-flags '("-DENABLE_GTK=ON" "-DENABLE_QT=OFF")
        #:tests? #f))))
 
+(define-public python-astropy
+  (package
+    (name "python-astropy")
+    (version "4.2.1")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (pypi-uri "astropy" version))
+       (sha256
+        (base32 "09w4q64c6bykcdp8xdq5fgsdjqrcihqhqjszqjp3s5a1493kwj7d"))))
+    (build-system python-build-system)
+    (arguments
+     ;; NOTE: (Sharlatan-20210426T204315+0100): Tests require build astropy
+     ;; module, it needs a good review on how to enable them.
+     `(#:tests? #f
+       #:phases
+       (modify-phases %standard-phases
+         (add-before 'build 'setenv-astropy-system-all
+           (lambda _
+             (setenv "ASTROPY_USE_SYSTEM_ALL" "1")))
+         ;; Permission denied: './astropy/_compiler.c'.
+         (add-before 'install 'writable-compiler
+           (lambda _ (make-file-writable "astropy/_compiler.c"))))))
+    (native-inputs
+     `(("pkg-config" ,pkg-config)
+       ("python-coverage" ,python-coverage)
+       ("python-cython" ,python-cython)
+       ("python-extension-helpers" ,python-extension-helpers)
+       ("python-ipython" ,python-ipython)
+       ("python-objgraph" ,python-objgraph)
+       ("python-setuptools-scm" ,python-setuptools-scm)
+       ("python-sgp4" ,python-sgp4)
+       ("python-skyfield" ,python-skyfield)))
+    (inputs
+     `(("cfitsio" ,cfitsio)
+       ("wcslib" ,wcslib)))
+    (propagated-inputs
+     `(("python-numpy" ,python-numpy)
+       ("python-pyerfa" ,python-pyerfa)))
+    (home-page "https://www.astropy.org/")
+    (synopsis "Core package for Astronomy in Python")
+    (description
+     "Astropy is a single core package for Astronomy in Python.  It contains
+much of the core functionality and some common tools needed for performing
+astronomy and astrophysics.")
+    (license (list license:bsd-3     ;astropy
+                   license:expat)))) ;jquery
+
 (define-public libnova
   (package
     (name "libnova")
-- 
2.31.1