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(<a class="moz-txt-link-freetext" href="http://nedbatchelder.com/blog/201509/coveragepy_40.html">http://nedbatchelder.com/blog/201509/coveragepy_40.html</a>)<br>
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<p>After more than 20 months, <a
href="https://pypi.python.org/pypi/coverage">coverage.py 4.0</a>
is available. This version brings a number of significant changes:</p>
<ul>
<li>Plugin support for measuring non-Python files, such as <a
href="https://pypi.python.org/pypi/django_coverage_plugin">Django
templates</a>.</li>
<li>Support for concurrency libraries such as gevent, greenlet,
and eventlet.</li>
<li>Live filtering in the HTML report.</li>
<li>More than 50 issues closed, including improved branch
coverage.</li>
<li>Documentation is now on <a class="offsite" rel="external"
href="http://coverage.readthedocs.org">Read The Docs</a>.</li>
</ul>
<p>The <a class="offsite" rel="external"
href="http://coverage.readthedocs.org/en/latest/changes.html">full
changes are in the docs</a>.</p>
<p>A number of things internal to coverage.py have changed in
incompatible ways. Helper tools sometimes build on internal
interfaces. If you find that coverage.py 4.0 seems broken in some
way, please update to the latest versions of your helper libraries
while diagnosing the problem.</p>
<p>If you have any problems, please let me know.</p>
<p>Next up for coverage.py: some form of the often requested
feature, "<a
href="https://bitbucket.org/ned/coveragepy/issues/170/show-who-tests-what">show
who tests what</a>". If you are interested in that, get in
touch, or comment on the issue.</p>
Enjoy!<br>
<br>
--Ned.<br>
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