gnu: python-dnspython: Update to 2.7.0.

* gnu/packages/python-xyz.scm (python-dnspython): Update to
2.7.0. Improve style.
[source]: PyPI archive has been swapped from .zip to .tar.gz.
[build-system]: Swap to pyproject-build-system.
[arguments]<test-flags>: Skip 2 tests.
[propagated-inputs]: Add python-cryptography, python-aioquic, python-h2,
python-httpcore, python-httpx, python-idna, and python-trio.
[native-inputs]: Remove unzip; add python-hatchling and python-pytest.

Change-Id: I726a9d68c61435089c1e7a846e8aa7c8b41f8378

gnu/packages/python-xyz.scm

@@ -22971,18 +22971,24 @@ until the object is actually required, and caches the result of said call.")
 (define-public python-dnspython
   (package
     (name "python-dnspython")
-    (version "2.1.0")
+    (version "2.7.0")
-    (source (origin
+    (source
+     (origin
        (method url-fetch)
-              (uri (pypi-uri "dnspython" version ".zip"))
+       (uri (pypi-uri "dnspython" version))
        (sha256
-               (base32
+        (base32 "1wgsbiz90npdi47cilmwdccm29hl9qddzkm533v1rj8dv8p4776f"))))
-                "1m0xvyby8baaxp6pfm0fgq8d2pq5dd8qm8bzfbrs009jaw5pza74"))))
+    (build-system pyproject-build-system)
-    (build-system python-build-system)
     (arguments
-     `(#:tests? #f                      ; XXX: requires internet access
+     (list
+      #:test-flags
+      #~(list
+         ;; AssertionError: assert False
+         "--deselect=tests/test_features.py::test_have"
+         ;; dns.exception.SyntaxError: protocol not found
+         "--deselect=tests/test_rdata.py::RdataTestCase::test_misc_good_WKS_text")
       #:phases
-       (modify-phases %standard-phases
+      #~(modify-phases %standard-phases
           (add-after 'unpack 'patch-getprotobyname-calls
             ;; These calls are problematic in the build environment as there is
             ;; no /etc/protocols.  This breaks the sanity-check phase of any
@@ -22993,7 +22999,17 @@ until the object is actually required, and caches the result of said call.")
                  "6")
                 (("socket.getprotobyname\\('udp'\\)")
                  "17")))))))
-    (native-inputs (list unzip))
+    (native-inputs
+     (list python-hatchling
+           python-pytest))
+    (propagated-inputs
+     (list python-cryptography
+           python-aioquic
+           python-h2
+           python-httpcore
+           python-httpx
+           python-idna
+           python-trio))
     (home-page "https://www.dnspython.org")
     (synopsis "DNS toolkit for Python")
     (description