def _build_package_finder(self, options, index_urls):
        return PackageFinder(find_links=options.find_links,
                             index_urls=index_urls,
                             use_mirrors=options.use_mirrors,
                             mirrors=options.mirrors)
Sets the user callback that the Partner object has to call when the
dataset/ETHPy150Open balanced/status.balancedpayments.com/venv/lib/python2.7/site-packages/pip-1.3.1-py2.7.egg/pip/commands/list.py/ListCommand._build_package_finder--crossover with--dataset/ETHPy150Open gijzelaerr/python-snap7/snap7/partner.py/Partner.set_send_callback