gnu: python-xopen: Update to 0.3.2.

* gnu/packages/python.scm (python-xopen): Update to 0.3.2.

gnu: python-stem: Update to 1.6.0.

* gnu/packages/python.scm (python-stem): Update to 1.6.0.
[arguments]: Add ‘fix-test-environment’ phase.

gnu: python-stem: Update phase style.

* gnu/packages/python.scm (python-stem)[arguments]: Substitute INVOKE
for SYSTEM* and end phase with #t.

gnu: Fix Borg crashes with Python msgpack > 0.5

The Python msgpack library changed its name, but borg (and possibly
other packages) still uses the old name.

Fixes <https://bugs.gnu.org/30662>.

* gnu/packages/python.scm (python-msgpack-transitional): New variable.
* gnu/packages/backup.scm (borg)[inputs]: Use it.

gnu: python-netifaces: Update to 0.10.6.

* gnu/packages/python.scm (python-netifaces): Update to 0.10.6.
[source](uri): Use PYPI-URI.
[home-page]: Update.

gnu: python-psutil: Update to 5.4.3.

* gnu/packages/python.scm (python-psutil): Update to 5.4.3.
[properties]: Declare python2 variant.
(python2-psutil): Propagate PYTHON2-ENUM34.

gnu: python-wrapt: Update to 1.10.11.

* gnu/packages/python.scm (python-wrapt): Update to 1.10.11.

gnu: python-msgpack: Run the tests.

* gnu/packages/python.scm (python-msgpack)[arguments]: Add #:modules.  Replace
CHECK-PHASE with pytest invocation.
[native-inputs]: Add PYTHON-PYTEST.

gnu: python-msgpack: Update to 0.5.6.

* gnu/packages/python.scm (python-msgpack): Update to 0.5.6.
[source, home-page]: Adjust to msgpack-python->msgpack rename.

gnu: Add python-pyinotify.

* gnu/packages/python.scm (python-pyinotify, python2-pyinotify): New
variables.

gnu: Add python-rfc3986.

* gnu/packages/python.scm (python-rfc3986, python2-rfc3986): New public
variables.

gnu: python-sphinx@1.6: Add python2 variant.

* gnu/packages/python.scm (python-sphinx-1.6)[properties]: Declare python2 variant.
(python2-sphinx-1.6): New public variable.

gnu: python-testtools: Update to 2.3.0.

* gnu/packages/check.scm (python-testtools-bootstrap,
python2-testtools-bootstrap): New public variables.
(python-testtools): Inherit.
[arguments]: Remove old.  Replace CHECK-PHASE with custom command.
[propagated-inputs]: Add PYTHON-FIXTURES, PYTHON-PBR, PYTHON-SIX,
PYTHON-TRACEBACK2 and PYTHON-UNITTEST2.
[native-inputs]: Add PYTHON-TESTSCENARIOS-BOOTSTRAP.
(python-testscenarios-bootstrap, python2-testscenarios-bootstrap): New public
variables.
(python-testscenarios): Adjust accordingly.
[propagated-inputs]: Replace PYTHON-TESTTOOLS with PYTHON-TESTTOOLS-BOOTSTRAP.
(python-subunit-bootstrap, python2-subunit-bootstrap): New public variables.
(python-subunit): Inherit.
(python-fixtures-bootstrap)[native-inputs]: Replace PYTHON-TESTTOOLS with
PYTHON-TESTTOOLS-BOOTSTRAP.
(python-testrepository-bootstrap)[native-inputs]: Replace PYTHON-SUBUNIT and
PYTHON-TESTTOOLS with PYTHON-SUBUNIT-BOOTSTRAP and PYTHON-TESTTOOLS-BOOTSTRAP.
* gnu/packages/python.scm (python-pbr)[native-inputs]: Replace
PYTHON-TESTSCENARIOS and PYTHON-TESTTOOLS with
PYTHON-TESTSCENARIOS-BOOTSTRAP and PYTHON-TESTTOOLS-BOOTSTRAP.

gnu: python-extras: Update to 1.0.0.

* gnu/packages/python.scm (python-extras): Update to 1.0.0.
[source](uri): Use PYPI-URI.

gnu: python-testresources: Update to 2.0.1.

* gnu/packages/check.scm (python-testresources-bootstrap,
python2-testresources-bootstrap): New public variables.
(python-testresources): Adjust accordingly.
[propagated-inputs]: Add PYTHON-PBR.
[native-inputs]: Add PYTHON-FIXTURES and PYTHON-TESTTOOLS.
* gnu/packages/python.scm (python-pbr)[native-inputs]: Replace
PYTHON-TESTRESOURCES with PYTHON-TESTRESOURCES-BOOTSTRAP.

gnu: python-fixtures: Propagate python-pbr.

* gnu/packages/check.scm (python-fixtures-bootstrap,
python2-fixtures-bootstrap, python-testrepository-bootstrap,
python2-testrepository-bootstrap): New public variables.
(python-fixtures): Adjust accordingly.
(python-testrepository): Likewise.
[native-inputs]: Remove PYTHON-PBR-MINIMAL.
* gnu/packages/python.scm (python-pbr)[native-inputs]: Replace PYTHON-FIXTURES
and PYTHON-TESTREPOSITORY WITH PYTHON-FIXTURES-BOOTSTRAP and
PYTHON-TESTREPOSITORY-BOOTSTRAP.

gnu: Use HTTPS for supported freedesktop.org home pages.

* gnu/packages/fontutils.scm (fontconfig)[home-page]: Use HTTPS.
* gnu/packages/freedesktop.scm (python-pyxdg, accountsservice)
(modem-manager, telepathy-mission-control, telepathy-mission-control)
(colord-gtk, desktop-file-utils)[home-page]: Likewise.
* gnu/packages/ghostscript.scm (libspectre)[home-page]: Likewise.
* gnu/packages/glib.scm (dbus, dbus-glib, telepathy-glib)[home-page]:
Likewise.
* gnu/packages/gnome.scm (shared-mime-info, hicolor-icon-theme)
(libxklavier, colord, upower)[home-page]: Likewise.
* gnu/packages/gstreamer.scm (orc, python-gst)[home-page]: Likewise.
* gnu/packages/libcanberra.scm (sound-theme-freedesktop)[home-page]:
Likewise.
* gnu/packages/libreoffice.scm (libexttextcat)[home-page]: Likewise.
* gnu/packages/polkit.scm (polkit-gnome, polkit-gnome)[home-page]:
Likewise.
* gnu/packages/pulseaudio.scm (pavucontrol)[home-page]: Likewise.
* gnu/packages/python.scm (python-dbus)[home-page]: Likewise.
* gnu/packages/xdisorg.scm (startup-notification)[home-page]: Likewise.

gnu: python-scandir: Run the test suite.

* gnu/packages/python.scm (python-scandir)[arguments]: Replace CHECK-PHASE.

gnu: python-scandir: Update to 1.7.

* gnu/packages/python.scm (python-scandir): Update to 1.7.
[description]: Mention that the Python3 variant is obsolete.

gnu: python2-pathlib2: Update to 2.3.0.

* gnu/packages/python.scm (python2-pathlib2): Update to 2.3.0.
[propagated-inputs]: Add PYTHON2-SCANDIR.