Avoid tox-install.sh

Instead of using tox-install.sh, we can install horizon and neutron
now directly from pypi - or use the current branch in CI system using
tox-siblings.

Update tox.ini for this change and add neutron to requirements file.

Change-Id: Ifb0890e6d287dc24a654ac47d23cd9e1d7fb830d

requirements.txt

@@ -17,8 +17,4 @@ oslo.messaging>=5.29.0 # Apache-2.0
 oslo.serialization!=2.19.1,>=2.18.0 # Apache-2.0
 oslo.service!=1.28.1,>=1.24.0 # Apache-2.0
 oslo.utils>=3.33.0 # Apache-2.0
-
-# This project does depend on neutron as a library, but the
-# openstack tooling does not play nicely with projects that
-# are not publicly available in pypi.
-# -e git+https://git.openstack.org/openstack/neutron#egg=neutron
+neutron>=12.0.0  # Apache-2.0

tools/tox_install.sh

@@ -1,46 +0,0 @@
-#!/bin/sh
-
-# Many of neutron's repos suffer from the problem of depending on neutron,
-# but it not existing on pypi.
-
-# This wrapper for tox's package installer will use the existing package
-# if it exists, else use zuul-cloner if that program exists, else grab it
-# from neutron master via a hard-coded URL. That last case should only
-# happen with devs running unit tests locally.
-
-ZUUL_CLONER=/usr/zuul-env/bin/zuul-cloner
-neutron_installed=$(echo "import neutron" | python 2>/dev/null ; echo $?)
-BRANCH_NAME=master
-
-set -e
-
-CONSTRAINTS_FILE=$1
-shift
-
-install_cmd="pip install"
-if [ $CONSTRAINTS_FILE != "unconstrained" ]; then
-    install_cmd="$install_cmd -c$CONSTRAINTS_FILE"
-fi
-
-if [ $neutron_installed -eq 0 ]; then
-    echo "ALREADY INSTALLED" > /tmp/tox_install.txt
-    echo "Neutron already installed; using existing package"
-elif [ -x "$ZUUL_CLONER" ]; then
-    echo "ZUUL CLONER" > /tmp/tox_install.txt
-    cwd=$(/bin/pwd)
-    cd /tmp
-    $ZUUL_CLONER --cache-dir \
-        /opt/git \
-        --branch $BRANCH_NAME \
-        git://git.openstack.org \
-        openstack/neutron
-    cd openstack/neutron
-    $install_cmd -e .
-    cd "$cwd"
-else
-    echo "PIP HARDCODE" > /tmp/tox_install.txt
-    $install_cmd -U -egit+https://git.openstack.org/openstack/neutron@$BRANCH_NAME#egg=neutron
-fi
-
-$install_cmd -U $*
-exit $?

tox.ini

@@ -7,9 +7,9 @@ skipsdist = True
 setenv = VIRTUAL_ENV={envdir}
          PYTHONWARNINGS=default::DeprecationWarning
 usedevelop = True
-install_command =
-  {toxinidir}/tools/tox_install.sh {env:UPPER_CONSTRAINTS_FILE:https://git.openstack.org/cgit/openstack/requirements/plain/upper-constraints.txt} {opts} {packages}
-deps = -r{toxinidir}/requirements.txt
+install_command =pip install {opts} {packages}
+deps = -c{env:UPPER_CONSTRAINTS_FILE:https://git.openstack.org/cgit/openstack/requirements/plain/upper-constraints.txt}
+       -r{toxinidir}/requirements.txt
        -r{toxinidir}/test-requirements.txt
 whitelist_externals =
   find