python pip silent install

Question

Is there a way to do a silent install with pip?

For some more background I\'m using fabric to do server deployments and I want to be able to setup a new server or update

Answer 1

Adding an answer, since things have changes since 2011...

Pip version 1.1 release on 2012-02-16 has introduced a command line switch --exists-action which allows to specify the default behavior from (s)witch, (i)gnore, (w)ipe, (b)ackup, (a)bort.

According to the current documentation pip can only prompt for information if --exists-action is unspecified.