Merge "allow config to manage python3 use explicitly"
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259c5e19a7
119
inc/python
119
inc/python
@ -111,6 +111,111 @@ function check_python3_support_for_package_remote {
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echo $classifier
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}
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# python3_enabled_for() checks if the service(s) specified as arguments are
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# enabled by the user in ``ENABLED_PYTHON3_PACKAGES``.
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#
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# Multiple services specified as arguments are ``OR``'ed together; the test
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# is a short-circuit boolean, i.e it returns on the first match.
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#
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# Uses global ``ENABLED_PYTHON3_PACKAGES``
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# python3_enabled_for dir [dir ...]
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function python3_enabled_for {
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local xtrace
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xtrace=$(set +o | grep xtrace)
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set +o xtrace
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local enabled=1
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local dirs=$@
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local dir
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for dir in ${dirs}; do
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[[ ,${ENABLED_PYTHON3_PACKAGES}, =~ ,${dir}, ]] && enabled=0
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done
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$xtrace
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return $enabled
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}
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# python3_disabled_for() checks if the service(s) specified as arguments are
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# disabled by the user in ``DISABLED_PYTHON3_PACKAGES``.
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#
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# Multiple services specified as arguments are ``OR``'ed together; the test
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# is a short-circuit boolean, i.e it returns on the first match.
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#
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# Uses global ``DISABLED_PYTHON3_PACKAGES``
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# python3_disabled_for dir [dir ...]
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function python3_disabled_for {
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local xtrace
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xtrace=$(set +o | grep xtrace)
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set +o xtrace
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local enabled=1
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local dirs=$@
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local dir
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for dir in ${dirs}; do
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[[ ,${DISABLED_PYTHON3_PACKAGES}, =~ ,${dir}, ]] && enabled=0
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done
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$xtrace
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return $enabled
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}
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# enable_python3_package() adds the repositories passed as argument to the
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# ``ENABLED_PYTHON3_PACKAGES`` list, if they are not already present.
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#
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# For example:
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# enable_python3_package nova
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#
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# Uses global ``ENABLED_PYTHON3_PACKAGES``
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# enable_python3_package dir [dir ...]
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function enable_python3_package {
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local xtrace
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xtrace=$(set +o | grep xtrace)
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set +o xtrace
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local tmpsvcs="${ENABLED_PYTHON3_PACKAGES}"
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local python3
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for dir in $@; do
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if [[ ,${DISABLED_PYTHON3_PACKAGES}, =~ ,${dir}, ]]; then
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warn $LINENO "Attempt to enable_python3_package ${dir} when it has been disabled"
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continue
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fi
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if ! python3_enabled_for $dir; then
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tmpsvcs+=",$dir"
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fi
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done
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ENABLED_PYTHON3_PACKAGES=$(_cleanup_service_list "$tmpsvcs")
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$xtrace
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}
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# disable_python3_package() prepares the services passed as argument to be
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# removed from the ``ENABLED_PYTHON3_PACKAGES`` list, if they are present.
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#
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# For example:
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# disable_python3_package swift
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#
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# Uses globals ``ENABLED_PYTHON3_PACKAGES`` and ``DISABLED_PYTHON3_PACKAGES``
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# disable_python3_package dir [dir ...]
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function disable_python3_package {
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local xtrace
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xtrace=$(set +o | grep xtrace)
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set +o xtrace
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local disabled_svcs="${DISABLED_PYTHON3_PACKAGES}"
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local enabled_svcs=",${ENABLED_PYTHON3_PACKAGES},"
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local dir
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for dir in $@; do
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disabled_svcs+=",$dir"
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if python3_enabled_for $dir; then
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enabled_svcs=${enabled_svcs//,$dir,/,}
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fi
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done
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DISABLED_PYTHON3_PACKAGES=$(_cleanup_service_list "$disabled_svcs")
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ENABLED_PYTHON3_PACKAGES=$(_cleanup_service_list "$enabled_svcs")
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$xtrace
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}
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# Wrapper for ``pip install`` to set cache and proxy environment variables
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# Uses globals ``OFFLINE``, ``PIP_VIRTUAL_ENV``,
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# ``PIP_UPGRADE``, ``TRACK_DEPENDS``, ``*_proxy``,
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@ -163,16 +268,16 @@ function pip_install {
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# support for python3 in progress, but don't claim support
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# in their classifier
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echo "Check python version for : $package_dir"
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if [[ ${package_dir##*/} == "nova" || ${package_dir##*/} == "glance" || \
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${package_dir##*/} == "cinder" || ${package_dir##*/} == "swift" || \
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${package_dir##*/} == "uwsgi" ]]; then
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echo "Using $PYTHON3_VERSION version to install $package_dir"
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if python3_disabled_for ${package_dir##*/}; then
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echo "Explicitly using $PYTHON2_VERSION version to install $package_dir based on DISABLED_PYTHON3_PACKAGES"
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elif python3_enabled_for ${package_dir##*/}; then
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echo "Explicitly using $PYTHON3_VERSION version to install $package_dir based on ENABLED_PYTHON3_PACKAGES"
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sudo_pip="$sudo_pip LC_ALL=en_US.UTF-8"
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cmd_pip=$(get_pip_command $PYTHON3_VERSION)
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elif [[ -d "$package_dir" ]]; then
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python_versions=$(get_python_versions_for_package $package_dir)
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if [[ $python_versions =~ $PYTHON3_VERSION ]]; then
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echo "Using $PYTHON3_VERSION version to install $package_dir"
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echo "Automatically using $PYTHON3_VERSION version to install $package_dir based on classifiers"
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sudo_pip="$sudo_pip LC_ALL=en_US.UTF-8"
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cmd_pip=$(get_pip_command $PYTHON3_VERSION)
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else
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@ -181,7 +286,7 @@ function pip_install {
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# a warning.
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python3_classifier=$(check_python3_support_for_package_local $package_dir)
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if [[ ! -z "$python3_classifier" ]]; then
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echo "Using $PYTHON3_VERSION version to install $package_dir"
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echo "Automatically using $PYTHON3_VERSION version to install $package_dir based on local package settings"
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sudo_pip="$sudo_pip LC_ALL=en_US.UTF-8"
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cmd_pip=$(get_pip_command $PYTHON3_VERSION)
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fi
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@ -191,7 +296,7 @@ function pip_install {
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package=$(echo $package_dir | grep -o '^[.a-zA-Z0-9_-]*')
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python3_classifier=$(check_python3_support_for_package_remote $package)
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if [[ ! -z "$python3_classifier" ]]; then
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echo "Using $PYTHON3_VERSION version to install $package"
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echo "Automatically using $PYTHON3_VERSION version to install $package based on remote package settings"
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sudo_pip="$sudo_pip LC_ALL=en_US.UTF-8"
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cmd_pip=$(get_pip_command $PYTHON3_VERSION)
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fi
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12
stackrc
12
stackrc
@ -102,9 +102,19 @@ if [[ -r $RC_DIR/.localrc.password ]]; then
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source $RC_DIR/.localrc.password
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fi
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# Control whether Python 3 should be used.
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# Control whether Python 3 should be used at all.
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export USE_PYTHON3=$(trueorfalse False USE_PYTHON3)
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# Control whether Python 3 is enabled for specific services by the
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# base name of the directory from which they are installed. See
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# enable_python3_package to edit this variable and use_python3_for to
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# test membership.
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export ENABLED_PYTHON3_PACKAGES="nova,glance,cinder,uwsgi"
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# Explicitly list services not to run under Python 3. See
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# disable_python3_package to edit this variable.
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export DISABLED_PYTHON3_PACKAGES=""
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# When Python 3 is supported by an application, adding the specific
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# version of Python 3 to this variable will install the app using that
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# version of the interpreter instead of 2.7.
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30
tests/test_python.sh
Executable file
30
tests/test_python.sh
Executable file
@ -0,0 +1,30 @@
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#!/usr/bin/env bash
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# Tests for DevStack INI functions
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TOP=$(cd $(dirname "$0")/.. && pwd)
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source $TOP/functions-common
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source $TOP/inc/python
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source $TOP/tests/unittest.sh
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echo "Testing Python 3 functions"
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# Initialize variables manipulated by functions under test.
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export ENABLED_PYTHON3_PACKAGES=""
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export DISABLED_PYTHON3_PACKAGES=""
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assert_false "should not be enabled yet" python3_enabled_for testpackage1
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enable_python3_package testpackage1
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assert_equal "$ENABLED_PYTHON3_PACKAGES" "testpackage1" "unexpected result"
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assert_true "should be enabled" python3_enabled_for testpackage1
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assert_false "should not be disabled yet" python3_disabled_for testpackage2
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disable_python3_package testpackage2
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assert_equal "$DISABLED_PYTHON3_PACKAGES" "testpackage2" "unexpected result"
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assert_true "should be disabled" python3_disabled_for testpackage2
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report_results
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