[bug#37234] [PATCH 18/21] gnu: Add python-cfn-lint.

[Marius Bakke <mbakke@fastmail.com>]

* gnu/packages/python-web.scm (python-cfn-lint): New public variable.
---
 gnu/packages/python-web.scm | 40 +++++++++++++++++++++++++++++++++++++
 1 file changed, 40 insertions(+)

diff --git a/gnu/packages/python-web.scm b/gnu/packages/python-web.scm
index 6e7ecacc99..b6f1f208ad 100644
--- a/gnu/packages/python-web.scm
+++ b/gnu/packages/python-web.scm
@@ -266,6 +266,46 @@ Model} (SAM) templates into AWS CloudFormation templates.")
 emit information from within their applications to the AWS X-Ray service.")
     (license license:asl2.0)))
 
+(define-public python-cfn-lint
+  (package
+    (name "python-cfn-lint")
+    (version "0.23.3")
+    (home-page "https://github.com/aws-cloudformation/cfn-python-lint")
+    (source (origin
+              (method git-fetch)
+              (uri (git-reference
+                    (url home-page)
+                    (commit (string-append "v" version))))
+              (file-name (git-file-name name version))
+              (sha256
+               (base32
+                "1bf40lvhggf2x0n85sprkhzk9cgnxng5hhpazy4gipia1p7gv25x"))))
+    (build-system python-build-system)
+    (arguments
+     `(#:phases (modify-phases %standard-phases
+                  (replace 'check
+                    (lambda _
+                      (setenv "PYTHONPATH"
+                              (string-append "./build/lib:"
+                                             (getenv "PYTHONPATH")))
+                      (invoke "python" "-m" "unittest" "discover"
+                              "-s" "test"))))))
+    (native-inputs
+     `(("python-mock" ,python-mock)))
+    (propagated-inputs
+     `(("python-aws-sam-translator" ,python-aws-sam-translator)
+       ("python-jsonpatch" ,python-jsonpatch)
+       ("python-jsonpointer" ,python-jsonpointer)
+       ("python-jsonschema" ,python-jsonschema)
+       ("python-pyyaml" ,python-pyyaml)
+       ("python-six" ,python-six)))
+    (synopsis "Validate CloudFormation templates")
+    (description
+     "This package lets you validate CloudFormation YAML/JSON templates against
+the CloudFormation spec and additional checks.  Includes checking valid values
+for resource properties and best practices.")
+    (license license:expat)))
+
 (define-public python-falcon
   (package
     (name "python-falcon")
-- 
2.22.1