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-rw-r--r--gnu/packages/astronomy.scm26
1 files changed, 26 insertions, 0 deletions
diff --git a/gnu/packages/astronomy.scm b/gnu/packages/astronomy.scm
index 6324d941a8..d4c731a797 100644
--- a/gnu/packages/astronomy.scm
+++ b/gnu/packages/astronomy.scm
@@ -2114,6 +2114,32 @@ for a table giving the position of a planet, asteroid, or comet for a series
of dates.")
(license license:expat)))
+(define-public python-extinction
+ (package
+ (name "python-extinction")
+ (version "0.4.6")
+ (source
+ (origin
+ (method git-fetch) ; No tests in PyPI
+ (uri (git-reference
+ (url "https://github.com/kbarbary/extinction")
+ (commit (string-append "v" version))))
+ (file-name (git-file-name name version))
+ (sha256
+ (base32 "1adxq926jd469mxm6llvsljgf2jqb06905h61i9qzc7m2yrm4wga"))))
+ (build-system pyproject-build-system)
+ (arguments
+ (list
+ #:test-flags #~(list "test.py")))
+ (native-inputs (list python-cython python-pytest))
+ (propagated-inputs (list python-numpy))
+ (home-page "http://github.com/kbarbary/extinction")
+ (synopsis "Fast interstellar dust extinction laws")
+ (description
+ "This package provides a cython-optimized implementations of empirical dust
+exitinction laws found in the literature.")
+ (license license:expat)))
+
(define-public python-hvpy
(package
(name "python-hvpy")