gnu: python-sphinx: Update to 2.0.1.

* gnu/packages/sphinx.scm (python-sphinx): Update to 2.0.1.
[arguments]: Remove Python2 workaround.
[propagated-inputs]: Remove PYTHON-SIX and PYTHON-SPHINXCONTRIB-WEBSUPPORT.
Add PYTHON-SPHINXCONTRIB-APPLEHELP, PYTHON-SPHINXCONTRIB-DEVHELP,
PYTHON-SPHINXCONTRIB-HTMLHELP, PYTHON-SPHINXCONTRIB-JSMATH,
PYTHON-SPHINXCONTRIB-QTHELP, and PYTHON-SPHINXCONTRIB-SERIALIZINGHTML.
(python2-sphinx)[source]: Stay on version 1.7.7.
[arguments]: New field.
[propagated-inputs]: Do not inherit from the Python 3 Sphinx variant.

gnu/packages/sphinx.scm

@@ -30,6 +30,7 @@
 (define-module (gnu packages sphinx)
   #:use-module (guix packages)
   #:use-module (guix download)
+  #:use-module (guix utils)
   #:use-module (guix build-system python)
   #:use-module ((guix licenses) #:prefix license:)
   #:use-module (gnu packages)
@@ -44,14 +45,14 @@
 (define-public python-sphinx
   (package
     (name "python-sphinx")
-    (version "1.7.7")
+    (version "2.0.1")
     (source
      (origin
        (method url-fetch)
        (uri (pypi-uri "Sphinx" version))
        (sha256
         (base32
-         "0pkkbfj7cl157q550gcs45am5y78ps0h7q6455d64s1zmw01jlvi"))))
+         "0js0rnbzm0nsb4gm2v4z79wlbmr05awqzic57kfl8ydkdxj80cj2"))))
     (build-system python-build-system)
     (arguments
      `(#:phases
@@ -63,11 +64,6 @@
              (substitute* "tests/test_build_latex.py"
                (("@pytest.mark.sphinx\\('latex', testroot='images'\\)")
                 "@pytest.mark.skip()"))
-             (when (which "python")
-               ;; XXX: These tests are broken when using Python2:
-               ;; <https://github.com/sphinx-doc/sphinx/issues/4710>.
-               (delete-file "tests/test_api_translator.py")
-               (delete-file "tests/test_setup_command.py"))
              (invoke "make" "test"))))))
     (propagated-inputs
      `(("python-imagesize" ,python-imagesize)
@@ -80,8 +76,13 @@
        ("python-packaging" ,python-packaging)
        ("python-pygments" ,python-pygments)
        ("python-requests" ,python-requests)
-       ("python-six" ,python-six)
-       ("python-sphinxcontrib-websupport" ,python-sphinxcontrib-websupport)))
+       ("python-sphinxcontrib-applehelp" ,python-sphinxcontrib-applehelp)
+       ("python-sphinxcontrib-devhelp" ,python-sphinxcontrib-devhelp)
+       ("python-sphinxcontrib-htmlhelp" ,python-sphinxcontrib-htmlhelp)
+       ("python-sphinxcontrib-jsmath" ,python-sphinxcontrib-jsmath)
+       ("python-sphinxcontrib-qthelp" ,python-sphinxcontrib-qthelp)
+       ("python-sphinxcontrib-serializinghtml"
+        ,python-sphinxcontrib-serializinghtml)))
     (native-inputs
      `(("graphviz" ,graphviz)
        ("imagemagick" ,imagemagick)                    ;for "convert"
@@ -97,16 +98,50 @@ sources.")
     (license license:bsd-3)
     (properties `((python2-variant . ,(delay python2-sphinx))))))
 
+;; Sphinx 2 does not support Python 2, so we stick with this older version here.
+;; Remove this package once python2-pbcore no longer requires it.
 (define-public python2-sphinx
   (let ((base (package-with-python2 (strip-python2-variant python-sphinx))))
     (package
       (inherit base)
+      (version "1.7.7")
+      (source (origin
+                (method url-fetch)
+                (uri (pypi-uri "Sphinx" version))
+                (sha256
+                 (base32
+                  "0pkkbfj7cl157q550gcs45am5y78ps0h7q6455d64s1zmw01jlvi"))))
+      (arguments
+       (substitute-keyword-arguments (package-arguments base)
+         ((#:phases phases)
+          `(modify-phases ,phases
+             (add-before 'check 'disable-broken-tests
+               (lambda _
+                 ;; These tests are broken when using Python2:
+                 ;; <https://github.com/sphinx-doc/sphinx/issues/4710>.
+                 (for-each delete-file '("tests/test_api_translator.py"
+                                         "tests/test_setup_command.py"))
+                 #t))))))
       (native-inputs `(("python2-mock" ,python2-mock)
                        ("python2-enum34" ,python2-enum34)
                        ,@(package-native-inputs base)))
+      ;; Sphinx 2 has some dependencies that do not support Python 2, so
+      ;; we keep our own propagated-inputs here instead of inheriting.
       (propagated-inputs `(("python2-pytz" ,python2-pytz)
                            ("python2-typing" ,python2-typing)
-                       ,@(package-propagated-inputs base))))))
+                           ("python2-imagesize" ,python2-imagesize)
+                           ("python2-sphinx-alabaster-theme"
+                            ,python2-sphinx-alabaster-theme)
+                           ("python2-babel" ,python2-babel)
+                           ("python2-snowballstemmer" ,python2-snowballstemmer)
+                           ("python2-docutils" ,python2-docutils)
+                           ("python2-jinja2" ,python2-jinja2)
+                           ("python2-packaging" ,python2-packaging)
+                           ("python2-pygments" ,python2-pygments)
+                           ("python2-requests" ,python2-requests)
+                           ("python2-six" ,python2-six)
+                           ("python2-sphinxcontrib-websupport"
+                            ,python2-sphinxcontrib-websupport))))))
 
 (define-public python-sphinxcontrib-applehelp
   (package