[bug#27548] [PATCH] gnu: Add python-xenon

[Muriithi Frederick Muriuki <fredmanglis@gmail.com>]

* gnu/packages/python.scm (python-xenon, python2-xenon) New variables.
---
 gnu/packages/python.scm | 46 ++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 46 insertions(+)

diff --git a/gnu/packages/python.scm b/gnu/packages/python.scm
index 6e1e289e9..1167b0933 100644
--- a/gnu/packages/python.scm
+++ b/gnu/packages/python.scm
@@ -15512,3 +15512,49 @@ pure Python module.")
 
 (define-public python2-rencode
   (package-with-python2 python-rencode))
+
+(define-public python-xenon
+  (package
+    (name "python-xenon")
+    (version "0.5.1")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (pypi-uri "xenon" version))
+       (sha256
+        (base32
+         "14kby2y48vp3sgwxqlm5d5789yibqwb1qli5fwcmdqg3iayrbklc"))))
+    (build-system python-build-system)
+    (native-inputs
+     `(("python-pyyaml" ,python-pyyaml)
+       ("python-radon" ,python-radon)
+       ("python-requests" ,python-requests)
+      ("python-flake8" ,python-flake8)
+       ("python-tox" ,python-tox)))
+    (arguments
+     `(#:phases
+       (modify-phases %standard-phases
+         (add-before 'build 'patch-test-requirements
+          (lambda* (#:key inputs #:allow-other-keys)
+             ;; Update requirements from dependecy==version
+             ;; to dependency>=version
+             (substitute* "requirements.txt"
+               (("==") ">=")
+               ((",<1.5.0") ""))
+            ;; Remove httpretty dependency for tests
+             (substitute* "setup.py"
+               (("httpretty") ""))
+             #t)))))
+    (home-page "https://xenon.readthedocs.org/")
+    (synopsis
+     "Monitor code metrics for Python on your CI server")
+   (description
+     "@code{Xenon} is a monitoring tool based on Radon.  It monitors code’s
+complexity.  Ideally, @code{xenon} is run every time code is committed.  Through
+command line options, various thresholds can be set for the complexity of code.
+It will fail (i.e.  it will exit with a non-zero exit code) when any of these
+equirements is not met.")
+    (license license:expat)))
+
+(define-public python2-xenon
+  (package-with-python2 python-xenon))
-- 
2.13.2