><span class="pre">--alias</span></tt> option) instructs py2app to build
an application bundle that uses your source and data files in-place. It
does not create standalone applications, and the applications built in
alias mode are not portable to other machines. This mode is similar to the
<a class="reference external" href="http://pypi.python.org/pypi/setuptools/">setuptools</a> <tt class="docutils literal"><span class="pre">develop</span></tt> command, or <a class="reference external" href="http://develop