Fabric script to setup a Python 3.3 environment, with some patched libraries.

fabfile.py

"""
Fabric configuration for a Python 3.3 environment using Anaconda.
"""

from fabric.api import run, cd
from fabric.context_managers import prefix

CONDA_REPO = 'http://repo.continuum.io/miniconda/'
CONDA_VERS = 'Miniconda3-3.0.0-Linux-x86_64.sh'


DEPENDENCIES = [
    'pip',
    'numpy',
    'scipy',
    'matplotlib',
    'ipython',
    'scikit-learn',
    'scikit-image',
    'pandas',
    'geos',
    'requests']


def setup(install_prefix='~'):
    """
    Install an anaconda environment.
    """
    _base_environment(install_prefix)
    _dependencies(install_prefix)


def _dependencies(install_prefix):
    """
    Install a set of binary packages and then some patched packages to support
    Python > 3.
    """

    with prefix('source {}/anaconda/bin/activate python-devel'.format(install_prefix)):

        for module in DEPENDENCIES:
            run('{}/anaconda/bin/conda install --yes {}'.format(install_prefix, module))

        # PyProj (requires proj4 on the remote system)
        with cd('{}/downloads'.format(install_prefix)):
            run('svn checkout http://pyproj.googlecode.com/svn/trunk/ pyproj')
            with cd('pyproj'):
                run('python setup.py build install')
            run('rm -rf pyproj')

        # CartoPy (like basemap)
        run('pip install git+https://github.com/esc24/cartopy.git@three_osx_new')

        # Fabric
        run('pip install git+https://github.com/scottkmaxwell/paramiko.git@py3-support-without-py25')
        run('pip install contextlib2')
        run('pip install git+https://github.com/pashinin/fabric.git@p33')


def _base_environment(install_prefix):
    """
    Creates a "standard" python working environment.
    """

    run('mkdir -p {}/downloads'.format(install_prefix))

    with cd('{}/downloads'.format(install_prefix)):
        run('wget -nv -N {}{}'.format(CONDA_REPO, CONDA_VERS))
        run('sh {} -b -p {}/anaconda/'.format(CONDA_VERS, install_prefix))

    with cd('{}/anaconda/bin'.format(install_prefix)):
        run('./conda create --yes -n python-devel python=3')


def clean(install_prefix='~'):
    """
    Removes a standard working environment.
    """
    run('rm -rf {}/anaconda'.format(install_prefix))

Note:

You need to install fabric first, which can be installed with "pip" or "easy_install".

Install:

fab -h "remote_host" -u "username" setup

Uninstall:

fab -h "remote_host" -u "username" clean

I get after using this:

Traceback (most recent call last):
File "convert.py", line 22, in <module>
    hello()
File "convert.py", line 18, in hello
    run("uname -a")
File "/usr/local/lib/python3.4/dist-packages/fabric/network.py", line 642, in host_prompting_wrapper
    host_string = input("No hosts found. Please specify (single)"
UnboundLocalError: local variable 'input' referenced before assignment

Example code:

#!/usr/bin/python3
import fabric
from fabric.api import env
from fabric.api import run
from fabric.network import ssh

env.hosts = []
env.hosts.append("localhost")

def hello():
    run("uname -a")

if __name__ == "__main__":
    hello()