diff --git a/gnu/packages/astronomy.scm b/gnu/packages/astronomy.scm index 5919393869..45394a7070 100644 --- a/gnu/packages/astronomy.scm +++ b/gnu/packages/astronomy.scm @@ -1616,6 +1616,50 @@ astronomy and astrophysics.") (description "This package provides HEALPix to the Astropy project.") (license license:bsd-3))) +(define-public python-astropy-iers-data + (package + (name "python-astropy-iers-data") + ;; In case of changing the source method git-fetch, consider to check the + ;; tag as it's not following the PyPI version, see + ;; . + (version "0.2024.2.19.0.28.47") + (source + (origin + (method url-fetch) + (uri (pypi-uri "astropy-iers-data" version)) + (sha256 + (base32 "0j42hkl8z42x5n3aacld9cvacjzg79lqsivm3xn6bv1gjgy69br9")))) + (build-system pyproject-build-system) + (arguments + (list + ;; Dependencies cycle wit python-astropy, see + ;; . + #:tests? #f + #:phases + #~(modify-phases %standard-phases + (add-before 'build 'set-env-version + (lambda _ + (setenv "SETUPTOOLS_SCM_PRETEND_VERSION" #$version)))))) + (native-inputs + (list python-hypothesis + python-pytest + python-pytest-remotedata + python-setuptools-scm)) + (home-page "https://docs.astropy.org/en/latest/utils/iers.html") + (synopsis "IERS Earth Rotation and Leap Second tables for the astropy core package") + (description + "The @code{iers} package provides access to the tables provided by the +@acronym{International Earth Rotation and Reference Systems, IERS} service, in +particular the +@url{https://www.iers.org/IERS/EN/DataProducts/EarthOrientationData/eop.html, +Earth Orientation data} allowing interpolation of published UT1-UTC and polar +motion values for given times. The UT1-UTC values are used in +@url{https://docs.astropy.org/en/latest/time/index.html#astropy-time, Time and +Dates (astropy.time)} to provide UT1 values, and the polar motions are used in +@code{astropy.coordinates} to determine Earth orientation for +celestial-to-terrestrial coordinate transformations.") + (license license:bsd-3))) + (define-public python-astroquery (package (name "python-astroquery")