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README.md

Description

Installs and configures Python. Also includes LWRPs for managing python packages with pip and virtualenv isolated Python environments.

Requirements

Platform

  • Debian, Ubuntu
  • CentOS, Red Hat, Fedora

Cookbooks

  • build-essential

Attributes

  • node["python"]["install_method"] = method to install python with, default package.

The file also contains the following attribute types:

  • platform specific locations and settings.
  • source installation settings

Resource/Provider

This cookbook includes LWRPs for managing:

  • pip packages
  • virtualenv isolated Python environments

python_pip

Install packages using the new hotness in Python package management...pip. Yo dawg...easy_install is so 2009, you better ask your local Pythonista if you don't know! The usage semantics are like that of any normal package provider.

Actions

  • :install: Install a pip package - if version is provided, install that specific version
  • :upgrade: Upgrade a pip package - if version is provided, upgrade to that specific version
  • :remove: Remove a pip package
  • :purge: Purge a pip package (this usually entails removing configuration files as well as the package itself). With pip packages this behaves the same as :remove

Attribute Parameters

  • package_name: name attribute. The name of the pip package to install
  • version: the version of the package to install/upgrade. If no version is given latest is assumed.
  • virtualenv: virtualenv environment to install pip package into
  • options: Add additional options to the underlying pip package command

Example

# install latest gunicorn into system path
python_pip "gunicorn" do
  action :install
end

# target a virtualenv
python_pip "gunicorn" do
  virtualenv "/home/ubunut/my_ve"
  action :install
end

# install Django 1.1.4
python_pip "django" do
  version "1.1.4"
  action :install
end

# use this provider with the core package resource
package "django" do
  provider Chef::Provider::PythonPip
  action :install
end

python_virtualenv

virtualenv is a great tool that creates isolated python environments. Think of it as RVM without all those hipsters and tight jeans.

Actions

  • :create: creates a new virtualenv
  • :delete: deletes an existing virtualenv

Attribute Parameters

  • path: name attribute. The path where the virtualenv will be created
  • interpreter: The Python interpreter to use. default is python2.6
  • owner: The owner for the virtualenv
  • group: The group owner of the file (string or id)

Example

# create a 2.6 virtualenv owned by ubuntu user
python_virtualenv "/home/ubuntu/my_cool_ve" do
  owner "ubuntu"
  group "ubuntu"
  action :create
end

# create a Python 2.4 virtualenv
python_virtualenv "/home/ubuntu/my_old_ve" do
  interpreter "python2.4"
  owner "ubuntu"
  group "ubuntu"
  action :create
end

Usage

default

Include default recipe in a run list, to get python, pip and virtualenv. Installs python by package or source depending on the platform.

package

Installs Python from packages.

source

Installs Python from source.

pip

Installs pip from source.

virtualenv

Installs virtualenv using the python_pip resource.

License and Author

Author:: Seth Chisamore (schisamo@opscode.com)

Copyright:: 2011, Opscode, Inc

Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at

http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.

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