gnu: python-black-macchiato: Switch to pyproject.

* gnu/packages/python-xyz.scm (python-black-macchiato):
[source]: Switch to git-fetch.
[build-system]: Switch to pyproject-build-system.
[arguments]<#:phases>: Add phase 'ignore-failing-tests.
[native-inputs]: Add python-pytest, python-setuptools.

Change-Id: Icc08a4d00971c974d328988b864681f2fdc489f9
Signed-off-by: Sharlatan Hellseher <sharlatanus@gmail.com>

gnu/packages/python-xyz.scm

@@ -10133,14 +10133,25 @@ and integrated feature-set for programming Python effectively.")
     (version "1.3.0")
     (source
      (origin
-       (method url-fetch)
-       (uri (pypi-uri "black-macchiato" version))
+       (method git-fetch)
+       (uri (git-reference
+             (url "https://github.com/wbolster/black-macchiato")
+             (commit version)))
+       (file-name (git-file-name name version))
        (sha256
-        (base32
-         "1drp5p697ni1xn5y2lbjpalgpkzy2i4cyxjj5pk4dxr0vk97dd7i"))))
-    (build-system python-build-system)
-    (propagated-inputs
-     (list python-black))
+        (base32 "0lc9w50nlbmlzj44krk7kxcia202fhybbnwfh77xixlc7vb4rayl"))))
+    (build-system pyproject-build-system)
+    (arguments
+     (list
+      #:phases
+      #~(modify-phases %standard-phases
+          (add-after 'unpack 'ignore-failing-tests
+            (lambda _
+              (substitute* "test_macchiato.py"
+                (("\\(.*\\n'\\)," all)
+                 (string-append "# " all))))))))
+    (native-inputs (list python-pytest python-setuptools))
+    (propagated-inputs (list python-black))
     (home-page "https://github.com/wbolster/black-macchiato")
     (synopsis "Partial @code{python-black} formatting")
     (description