apt_versions

#!/usr/bin/env python
# -*- coding: utf-8 -*-

class NotInstalled(Exception):
   def __init__(self, arg):
      self.args = arg

def main():
    module = AnsibleModule(
        argument_spec = dict(
            name = dict(default='__all__'),
            verbose = dict(default=True, choices=BOOLEANS),
        )
    )

    changed = True
    name = module.params['name']
    try:
        ansible_facts = {'apt_versions': get_facts(name)}
    except KeyError:
        module.fail_json(msg='Unknown package %s' % (name))
    except NotInstalled:
        module.fail_json(msg='Package %s is not installed' % (name))
    except Exception, e:
        module.fail_json(msg='Unknown error %s' % (e))
    else:
        module.exit_json(changed=changed, ansible_facts=ansible_facts, msg='Populated ansible_facts.apt_versions')

def get_facts(name):
    c = apt.Cache()
    apt_versions = {}

    if name == '__all__':
        packages = c
    else:
        packages = [c[name]]

    count = 0
    for p in packages:
        if not p.is_installed:
            if name == '__all__':
                continue
            else:
                raise NotInstalled(name);

        count += 1
        version = p.installed.version
        pieces = version.split('.')
        # version = semantic_version.Version(p.installed.version)

        if len(pieces) > 1:
            print version
            major = version.split('.')[0]
            minor = version.split('.')[1]
            simple = '%s.%s' % (major,minor)
        else:
            major = minor = simple = version

        apt_versions[p.name] = {
                'version': version,
                'major': major,
                'minor': minor,
                'simple': simple
                }
    # add general installed package count
    apt_versions['__meta__'] = { 'count': count }

    return apt_versions

# import module snippets
from ansible.module_utils.basic import *
from ansible.module_utils.urls import *

import apt

main()