gnu: Add python-tftpy.

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

gnu/packages/python-xyz.scm

@@ -14643,6 +14643,37 @@ (define-public python-tblib
 (define-public python2-tblib
   (package-with-python2 python-tblib))
 
+(define-public python-tftpy
+  (package
+    (name "python-tftpy")
+    (version "0.8.2")
+    (source
+     (origin
+       (method git-fetch)               ;no tests in PyPI archive
+       (uri (git-reference
+             (url "https://github.com/msoulier/tftpy")
+             (commit version)))
+       (file-name (git-file-name name version))
+       (sha256
+        (base32
+         "1gl04ps8h8r7av3h0zbm8gwmkqs9rkk5vf7n8mv2bzrkwvy9hacc"))))
+    (build-system python-build-system)
+    (arguments
+     `(#:phases (modify-phases %standard-phases
+                  (replace 'check
+                    (lambda* (#:key tests? inputs outputs #:allow-other-keys)
+                      (when tests?
+                        ;; The default DEBUG logging level is way too verbose.
+                        (substitute* "t/test.py"
+                          (("logging\\.DEBUG")
+                           "logging.INFO"))
+                        (invoke "python" "-m" "unittest" "t/test.py")))))))
+    (home-page "http://tftpy.sourceforge.net/")
+    (synopsis "Python trivial file transfer protocol (TFTP) library")
+    (description "TFTPy is a trivial file transfer protocol (TFTP) Python
+library.  It can be used to act both as a TFTP client or TFTP server.")
+    (license license:expat)))
+
 (define-public python-greenlet
   (package
     (name "python-greenlet")