#!/usr/bin/env python3
"""This code determines the astro-wise os/machine name"""

__version__ = 'Revision: GIT.21'


def distro_from_os_release():
    """determine the distribution from the file /etc/os-release"""

    dist_id = ''
    dist_version = ''
    try:
        for line in open('/etc/os-release'):
            name, value = line.split('=')
            value = value.strip().strip('"').strip("'")
            if name == 'ID':
                dist_id = value
            elif name == 'VERSION_ID':
                dist_version = value
    except IOError:
        pass
    except ValueError:
        pass
    return dist_id, dist_version


def targetplatform():
    """gets the astro-wise name of target platform"""

    import os
    distribution = distro_from_os_release()
    # check for microversion if this is centos
    if distribution[0] == 'centos':
        if distribution[1].find('.') == -1:
            for line in open('/etc/redhat-release'):
                distribution = (distribution[0], '.'.join(line.split()[3].split('.')[:2]))
    system = os.uname()[0]
    machine = os.uname()[-1]
    if distribution == ('', ''):
        try:
            import distro
        except (ImportError, RuntimeError):
            pass
        else:
            distribution = (distro.id(), distro.version())
    if distribution[0] == 'centos' and distribution[1].find('.') == -1:
        try:
            line = open('/etc/redhat-release').readline()
            version = line.split()[3]
            version = '.'.join(version.split('.')[:2])
            distribution = ('centos', version)
        except IOError:
            pass
        except ValueError:
            pass
        else:
            distribution = (distro.id(), distro.version())
    if distribution == ('', ''):
        result = (system, machine)
    else:
        result = (system, '-'.join(distribution), machine)
    return '-'.join(result).replace('/', '.')


if __name__ == '__main__':
    import sys
    print(targetplatform())
    sys.exit(0)