build.xml

<project name="qabel-drop" basedir="." default="build">
    <property name="dblog" value="/tmp/postgresql.5433.log"/>
    <property name="dbdir" value="/tmp/postgresqldata.5433"/>
    <condition property="dbdir.exists"><available file="${dbdir}" type="dir"/></condition>
    <condition property="dblog.exists"><available file="${dblog}" type="file"/></condition>
    <condition property="clean-db.required"><or><available file="${dbdir}" type="dir"/><available file="${dblog}" type="file"/></or></condition>

    <target name="build" depends="install">
        <antcall target="test"/>
    </target>

    <target name="clean" depends="clean-db,clean-virtualenv"/>

    <target name="clean-db" if="clean-db.required" depends="clean-dbdir,clean-dblog"/>
    <target name="clean-dbdir" if="${dbdir.exists}">
        <delete dir="${dbdir}"/>
    </target>
    <target name="clean-dblog" if="${dblog.exists}">
        <delete file="${dblog}"/>
    </target>

    <property name="virtualenv" value="${basedir}/venv"/>
    <property name="vbin" value="${virtualenv}/bin"/>
    <condition property="virtualenv.exists"><available file="${virtualenv}" type="dir"/></condition>
    <target name="clean-virtualenv" if="virtualenv.exists">
        <exec executable="rm" dir="${basedir}" failonerror="true">
            <arg value="-r"/>
            <arg value="${virtualenv}"/>
        </exec>
        <property name="virtualenv.exists" value="false"/>
    </target>
    <target name="create-virtualenv">
        <exec executable="virtualenv" failonerror="true">
            <arg value="${virtualenv}"/>
            <arg value="--python=python3.5"/>
            <arg value="--no-site-packages"/>
        </exec>
    </target>
    <target name="virtualenv" depends="create-virtualenv">
        <exec executable="${vbin}/pip" failonerror="true">
            <arg value="install"/>
            <arg value="--quiet"/>
            <arg value="--upgrade"/>
            <arg value="pip"/>
            <arg value="setuptools"/>
            <arg value="wheel"/>
        </exec>
    </target>
    <target name="install" depends="virtualenv">
        <exec executable="${vbin}/pip" failonerror="true">
            <arg value="install"/>
            <arg value="--quiet"/>
            <arg value="--upgrade"/>
            <arg value="-r"/>
            <arg value="requirements.txt"/>
        </exec>
    </target>
    <target name="test" depends="install,clean-db">
        <exec executable="${vbin}/py.test" dir="${basedir}/tests" failonerror="true">
            <arg value="--junitxml=${basedir}/junit.xml"/>
            <arg value="-v"/>
            <arg value="--exitfirst"/>
            <arg value="--ff"/>
        </exec>
    </target>
</project>