gistfile1.xsl

    <target name="coverage" depends="clean, copy-coverage-so, copy-index-yaml-static">
        <tempfile property="coverage.outfile" destDir="/tmp" />
                
        <!-- Temporarily turns off the USE_I18N in settings.py, re-enabled when coverage has completed -->
        <replace file="${srcdir}/settings.py" token="USE_I18N = False" value="USE_I18N = True" />
        
        <!-- see comments in "test" target -->
        <exec dir="${srcdir}" executable="python" failonerror="false" resultproperty="coverage.retcode" output="${coverage.outfile}" logError="true">
            <env key="UNITTESTS" value="${tests}" />
            <env key="PYTHONPATH" value="${test.pythonpath}"/>
            <arg line="manage.py test ${project} --verbosity=2" />
        </exec>
        
        <!-- echo for teamcity to grep out tags -->
        <exec executable="cat">
            <arg line="${coverage.outfile}" />
        </exec>
        
        <!-- make sure the output is as expected -->
        <exec executable="cat" outputproperty="coverage.output">
            <arg line="${coverage.outfile}" />
        </exec>
        
        <!-- ${coverage.expected} -->    
        <propertyregex property="coverage.match" input="${coverage.output}" regexp="(?m).*(teamcity\[buildStatisticValue value='(.*)\.(.*)' key='coverage'\]).*" select="\2" /> 
        <exec executable="bash" failonerror="false" resultproperty="coverage.test">
            <arg line="-c" />
            <arg line="&quot;test ${coverage.match} -ge ${coverage.target}&quot;" />
        </exec>
         <if>
            <equals arg1="${coverage.test}" arg2="0" />
            <then>
                <property name="coverage.result" value="" />
            </then>
        </if>
        <fail message="Coverage is at ${coverage.match}, required level is ${coverage.target}." unless="coverage.result"/>
        
        <!-- now check the return code for a coverage regression (exit_code=42)-->
        <if>
            <equals arg1="${coverage.retcode}" arg2="42" />
            <then>
                <property name="coverage.regression" value="" />
            </then>
        </if>
        <fail message="At least one module has regressed in code coverage" if="coverage.regression"/>
        
    </target>