@@ -48,6 +48,7 @@ (define-module (gnu packages python-science)
#:use-module (gnu packages boost)
#:use-module (gnu packages build-tools)
#:use-module (gnu packages check)
+ #:use-module (gnu packages chemistry)
#:use-module (gnu packages cpp)
#:use-module (gnu packages crypto)
#:use-module (gnu packages databases)
@@ -771,6 +772,64 @@ (define-public python-pandera
@end itemize")
(license license:expat)))
+(define-public python-pyjanitor
+ (package
+ (name "python-pyjanitor")
+ (version "0.26.0")
+ (source
+ (origin
+ ;; The build requires the mkdocs directory for the description in
+ ;; setup.py. This is not included in the PyPI tarball.
+ (method git-fetch)
+ (uri (git-reference
+ (url "https://github.com/pyjanitor-devs/pyjanitor")
+ (commit (string-append "v" version))))
+ (file-name (git-file-name name version))
+ (sha256
+ (base32 "1f8xbl1k9l2z56bapp7v6bd3016zrk48igcaz6hb553r6yfl7vfx"))))
+ (build-system pyproject-build-system)
+ ;; Pyjanitor has an extensive test suite. For quick debugging, the tests
+ ;; marked turtle can be skipped using "-m" "not turtle".
+ (arguments
+ (list
+ #:test-flags '(list
+ ;; Tries to connect to the internet.
+ "-k"
+ "not test_is_connected"
+
+ ;; PySpark has not been packaged yet.
+ "--ignore"
+ "tests/spark")
+ #:phases #~(modify-phases %standard-phases
+ (add-before 'check 'set-env-ci
+ (lambda _
+ ;; Some tests are skipped if the JANITOR_CI_MACHINE
+ ;; variable is not set.
+ (setenv "JANITOR_CI_MACHINE" "1"))))))
+ (propagated-inputs (list python-multipledispatch
+ python-natsort
+ python-pandas-flavor
+ python-scipy
+
+ ;; Optional imports.
+ python-biopython ;biology submodule
+ python-unyt)) ;engineering submodule
+ (native-inputs (list python-pytest
+
+ ;; Optional imports. We do not propagate them due to
+ ;; their size.
+ python-numba ;speedup of joins
+ rdkit)) ;chemistry submodule
+ (home-page "https://github.com/pyjanitor-devs/pyjanitor")
+ (synopsis "Tools for cleaning and transforming pandas DataFrames")
+ (description
+ "@code{pyjanitor} provides a set of data cleaning routines for
+@code{pandas} DataFrames. These routines extend the method chaining API
+defined by @code{pandas} for a subset of its methods. Originally, this
+package was a port of the R package by the same name and it is inspired by the
+ease-of-use and expressiveness of the @code{dplyr} package.")
+ (license license:expat)))
+
(define-public python-pythran
(package
(name "python-pythran")