gnu: glances: Switch to pyproject.

* gnu/packages/python-xyz.scm (glances):
[source]: Switch to git-fetch. Move snippet to <#:phases>.
[build-system]: Switch to pyproject-build-system.
[arguments]<#:phases>: Import former source snippet. Add 'check phase
replacement.
[native-inputs]: Add python-pytest, python-setuptools-next.

Change-Id: I18f1ded40f64fcd640728af778e48666d8d762f0
Signed-off-by: Sharlatan Hellseher <sharlatanus@gmail.com>

gnu/packages/python-xyz.scm

@@ -24917,35 +24917,47 @@ numbers, real numbers, mixed types and more, and comes with a shell command
 
 (define-public glances
   (package
-  (name "glances")
-  (version "4.1.1")
-  (source
-    (origin
-      (method url-fetch)
-      (uri (pypi-uri "glances" version))
-      (sha256
-        (base32 "10yjwbmwv2x4x1n3hr1631m8l6l9w8fa7rnvfz1vmzkjs199ihib"))
-      (modules '((guix build utils)))
-      (snippet
-       '(begin
-          ;; Glances phones PyPI for weekly update checks by default.
-          ;; Disable these.  The user can re-enable them if desired.
-          (substitute* "glances/outdated.py"
-            (("^(.*)self\\.load_config\\(config\\)\n" line indentation)
-             (string-append indentation
-                            "self.args.disable_check_update = True\n"
-                            line)))
-          #t))))
-  (build-system python-build-system)
-  (propagated-inputs
-   (list python-defusedxml python-orjson python-packaging python-psutil))
-  (home-page "https://github.com/nicolargo/glances")
-  (synopsis "Cross-platform curses-based monitoring tool")
-  (description
-    "Glances is a curses-based monitoring tool for a wide variety of platforms.
+    (name "glances")
+    (version "4.1.1")
+    (source
+     (origin
+       (method git-fetch)
+       (uri (git-reference
+              (url "https://github.com/nicolargo/glances")
+              (commit (string-append "v" version))))
+       (file-name (git-file-name name version))
+       (sha256
+        (base32 "00xyixi3wrajmkmqgd1rlaqypi6c1wskm6q0xbrw2k1zc7wi3kxl"))))
+    (build-system pyproject-build-system)
+    (arguments
+     (list
+      #:phases
+      #~(modify-phases %standard-phases
+          (add-after 'unpack 'disable-update-checks
+            (lambda _
+              ;; Glances phones PyPI for weekly update checks by default.
+              ;; Disable these.  The user can re-enable them if desired.
+              (substitute* "glances/outdated.py"
+                (("^(.*)self\\.load_config\\(config\\)\n" line
+                  indentation)
+                 (string-append indentation
+                                "self.args.disable_check_update = True\n"
+                                line)))))
+          (replace 'check
+            (lambda* (#:key tests? #:allow-other-keys)
+              (when tests?
+                ;; XXX: Taken from tox.ini.
+                (invoke "python" "unittest-core.py")))))))
+    (native-inputs (list python-pytest python-setuptools-next))
+    (propagated-inputs (list python-defusedxml python-orjson python-packaging
+                             python-psutil))
+    (home-page "https://github.com/nicolargo/glances")
+    (synopsis "Cross-platform curses-based monitoring tool")
+    (description
+     "Glances is a curses-based monitoring tool for a wide variety of platforms.
      Glances uses the PsUtil library to get information from your system.  It
      monitors CPU, load, memory, network bandwidth, disk I/O, disk use, and more.")
-  (license license:lgpl3+)))
+    (license license:lgpl3+)))
 
 (define-public python-graphql-core
   (package