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community.general/library/easy_install
Jeremy Penner 09d5812cbb Make easy_install module actually work.
mpdehaan requested in ansible/ansible#795 that globals be removed.
The response was to remove the lines with the word 'global', but not
the actual use of global variables.  Which makes the module break silently.
Updated to use local variables.
2012-08-14 23:31:13 -04:00

101 lines
2.7 KiB
Python
Executable file

#!/usr/bin/python
# -*- coding: utf-8 -*-
# (c) 2012, Matt Wright <matt@nobien.net>
#
# This file is part of Ansible
#
# Ansible is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# Ansible is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with Ansible. If not, see <http://www.gnu.org/licenses/>.
#
def _find_easy_install(env):
if env:
return os.path.join(env, 'bin', 'easy_install')
paths = ['/usr/local/bin', '/usr/bin']
for p in paths:
e = p + '/easy_install'
if os.path.exists(e):
return e
def _ensure_virtualenv(env, virtualenv):
if os.path.exists(os.path.join(env, 'bin', 'activate')):
return 0, '', ''
else:
return _run('%s %s' % (virtualenv, env))
def _is_package_installed(name, easy_install):
cmd = '%s --dry-run %s' % (easy_install, name)
rc, status_stdout, status_stderr = _run(cmd)
return not ('Reading' in status_stdout or 'Downloading' in status_stdout)
def _run(cmd):
# returns (rc, stdout, stderr) from shell command
process = subprocess.Popen(cmd, stdout=subprocess.PIPE,
stderr=subprocess.PIPE, shell=True)
stdout, stderr = process.communicate()
return (process.returncode, stdout, stderr)
def main():
arg_spec = dict(
name=dict(required=True),
virtualenv=dict(default=None, required=False)
)
module = AnsibleModule(argument_spec=arg_spec)
name = module.params['name']
env = module.params['virtualenv']
easy_install = _find_easy_install(env)
rc = 0
err = ''
out = ''
if env:
rc_venv, out_venv, err_venv = _ensure_virtualenv(env, '/usr/local/bin/virtualenv')
rc += rc_venv
out += out_venv
err += err_venv
cmd = None
changed = False
installed = _is_package_installed(name, easy_install)
if not installed:
cmd = '%s %s' % (easy_install, name)
rc_pip, out_pip, err_pip = _run(cmd)
rc += rc_pip
out += out_pip
err += err_pip
changed = True
if rc != 0:
module.fail_json(msg=err, cmd=cmd)
module.exit_json(changed=changed, binary=easy_install,
name=name, virtualenv=env)
# this is magic, see lib/ansible/module_common.py
#<<INCLUDE_ANSIBLE_MODULE_COMMON>>
main()