gnu: Add python-csb43.

* gnu/packages/python-xyz.scm (python-csb43): New variable.

gnu/packages/python-xyz.scm

@@ -26676,3 +26676,31 @@ (define-public python-tablib
 quite huge, this Guix package doesn't depend on pandas.  In case, just also
 install @code{python-pandas}.")
     (license license:expat)))
+
+(define-public python-csb43
+  (package
+    (name "python-csb43")
+    (version "0.9.1")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (pypi-uri "csb43" version))
+       (sha256
+        (base32 "0r0csl9npncnkfafg3rg6xr38d1qr0sxvq7wn7mg9bq41hvvh1si"))))
+    (build-system python-build-system)
+    (native-inputs
+     `(("python-lxml" ,python-lxml)))
+    (propagated-inputs
+     `(("python-pycountry" ,python-pycountry)
+       ("python-pyyaml" ,python-pyyaml)
+       ("python-tablib" ,python-tablib)))
+    (home-page "https://bitbucket.org/wmj/csb43")
+    (synopsis "Tools for converting from the Spanish banks' format CSB norm
+43 (CSB43)")
+    (description "This package provides tools to convert files in the format
+used by multiple Spanish banks (standard 43 of the Spanish Banking Council
+[CSB43] / Spanish Banking Association [AEB43]) to other formats.
+
+Supported output formats are: OFX, HomeBank CSV, HTML, JSON, ODS (OpenDocument
+spreadsheet), CSV, TSV, XLS, XLSX (Microsoft Excel spreadsheet), and YAML.")
+    (license license:lgpl3)))