Source code for fabtools.python_distribute
"""
Python packages
===============
This module provides tools for installing Python packages using
the ``easy_install`` command provided by `distribute`_.
.. _distribute: http://packages.python.org/distribute/
"""
from __future__ import with_statement
from fabric.api import cd, run
from fabtools.utils import run_as_root
[docs]def is_distribute_installed(use_python='python'):
"""
Check if `distribute`_ is installed.
.. _distribute: http://packages.python.org/distribute/
"""
cmd = '''%(use_python)s -c "import pkg_resources;\
print pkg_resources.get_distribution('distribute')"
''' % locals()
res = run(cmd, quiet=True)
return res.succeeded and (res.find('distribute') >= 0)
[docs]def install_distribute(use_python='python'):
"""
Install the latest version of `distribute`_.
.. _distribute: http://packages.python.org/distribute/
::
from fabtools.python_distribute import *
if not is_distribute_installed():
install_distribute()
"""
with cd("/tmp"):
run("curl --silent -O http://python-distribute.org/distribute_setup.py")
run_as_root("%(use_python)s distribute_setup.py" % locals())
[docs]def install(packages, upgrade=False, use_sudo=False, use_python='python'):
"""
Install Python packages with ``easy_install``.
Examples::
import fabtools
# Install a single package
fabtools.python_distribute.install('package', use_sudo=True)
# Install a list of packages
fabtools.python_distribute.install(['pkg1', 'pkg2'], use_sudo=True)
.. note:: most of the time, you'll want to use
:py:func:`fabtools.python.install()` instead,
which uses ``pip`` to install packages.
"""
func = use_sudo and run_as_root or run
if not isinstance(packages, basestring):
packages = " ".join(packages)
options = []
if upgrade:
options.append("-U")
options = " ".join(options)
func('%(use_python)s -m easy_install %(options)s %(packages)s' % locals())