Use alternate Mirror for Python pypi installs (when pypi goes down)

Specify alternate mirror from the command line:
pip install -i http://d.pypi.python.org/simple $PACKAGE

Specify alternate mirror in ~/.pip/pip.conf:
[global]
index-url = http://d.pypi.python.org/simple

More mirrors:
http://b.pypi.python.org/
http://c.pypi.python.org/
http://d.pypi.python.org/
http://e.pypi.python.org/
http://f.pypi.python.org/

Lists of mirrors:
http://pypi.python.org/mirrors/
http://www.pypi-mirrors.org/


Source:
http://jacobian.org/writing/when-pypi-goes-down/