I only know about one profiler, which is provided by python community itself, memory profiler.
You can download it using either pip or easy_install,
$ easy_install -U memory_profiler # pip install -U memory_profiler
psutil is recommended module to have with this profiler.
If you want to install it from source,
$ python setup.py install
The latest sources can be found on https://github.com/fabianp/memory_profiler.
Documentation, samples, API help can be found on https://pypi.python.org/pypi/memory_profiler.