17/46: gnu: Add python-authheaders.

[guix-commits]

efraim pushed a commit to branch master
in repository guix.

commit 83dd7825187fc533aeadc2113b70c704e1968e56
Author: Efraim Flashner <efraim@flashner.co.il>
AuthorDate: Tue Jul 21 11:17:58 2020 +0300

    gnu: Add python-authheaders.
    
    * gnu/packages/mail.scm (python-authheaders): New variable.
---
 gnu/packages/mail.scm | 28 ++++++++++++++++++++++++++++
 1 file changed, 28 insertions(+)

diff --git a/gnu/packages/mail.scm b/gnu/packages/mail.scm
index 56aba93..e0aea51 100644
--- a/gnu/packages/mail.scm
+++ b/gnu/packages/mail.scm
@@ -3279,3 +3279,31 @@ helper scripts for command line signing and 
verification.  It supports DKIM
 signing/verifying of ed25519-sha256 signatures (RFC 8463).  It also supports
 the RFC 8617 Authenticated Received Chain (ARC) protocol.")
     (license license:bsd-3)))
+
+(define-public python-authheaders
+  (package
+    (name "python-authheaders")
+    (version "0.13.0")
+    (source
+      (origin
+        (method url-fetch)
+        (uri (pypi-uri "authheaders" version))
+        (sha256
+         (base32
+          "14k6i72k5f8dyvps8vc0aq0cczc8lvqpgjfjzsy6qqychjvjcmwk"))))
+    (build-system python-build-system)
+    (propagated-inputs
+     `(("python-authres" ,python-authres)
+       ("python-dkimpy" ,python-dkimpy)
+       ("python-dnspython" ,python-dnspython)
+       ("python-publicsuffix2" ,python-publicsuffix2)))
+    (home-page "https://github.com/ValiMail/authentication-headers";)
+    (synopsis "Library wrapping email authentication header verification and 
generation")
+    (description
+     "This is a Python library for the generation of email authentication
+headers.  The library can perform DKIM, SPF, and DMARC validation, and the
+results are packaged into the Authentication-Results header.  The library can
+DKIM and ARC sign messages and output the corresponding signature headers.")
+    ;; The package's metadata claims it were MIT licensed, but the source file
+    ;; headers disagree. MPL-2 for the public suffix list.
+    (license (list license:zpl2.1 license:zlib license:mpl2.0))))