module.py

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#
# Collective Mind
#
# See cM LICENSE.txt for licensing details.
# See cM Copyright.txt for copyright details.
#
# Developer(s): (C) Grigori Fursin, started on 2011.09
#

# Should always be here
ini={}
cm_kernel=None

# Local settings
import os
import sys

# ============================================================================
def init(i):
    return {'cm_return':0}

# ============================================================================
def detect_host_family(i):

    """
    Detect main OS version using python

    Input:  {
              (cm_repo_uoa) - which repo to use to get info (to support remote ones)
            }

    Output: {
              cm_return      - return code = 0, if successful
              family         - OS family
              cm_os_uoa_list - list of OSes from the same family (through search)
              cm_host_uoa    - most close OS UOA from known
              cm_host_alias  - alias for cm_host_uoa
            }
    """



    family=''

    # First, detect coarse-grain family
    n=sys.platform

    if n.startswith('linux'): family='linux'
    elif n.startswith('win'): family='windows'
    elif n.startswith('cygwin'): family='windows'
    elif n.startswith('darwin'): family='linux'

    # Second, search OS UOA with this family
    ii={'cm_run_module_uoa':ini['cfg']['cm_modules']['cm-core'],
        'cm_action':'search',
        'key_0':'family',
        'value_0':family,
        'module_selection':[ini['cm_module_uid']],
        'use_internal_search':'yes'
       }
    if 'cm_repo_uoa' in i and i['cm_repo_uoa']!='': ii['repo_selection']=[i['cm_repo_uoa']]
    r=cm_kernel.access(ii)
    if r['cm_return']>0: return r

    all=r['all']

    # Third, select OS UOA from the module descriptions
    cm_host_uoa=ini['cfg']['cm_os_uoa_list'][family]

    # Load this OS to get info and alias
    ii={'cm_run_module_uoa':ini['cm_module_uid'],
        'cm_action':'load',
        'cm_data_uoa':cm_host_uoa
       }
    if 'cm_repo_uoa' in i and i['cm_repo_uoa']!='': ii['cm_repo_uoa']=i['cm_repo_uoa']
    r=cm_kernel.access(ii)
    if r['cm_return']>0: return r

    cm_host_alias=r['cm_alias']

    if i.get('cm_console','')=='txt':
       cm_kernel.print_for_con('OS family:              '+family)
       cm_kernel.print_for_con('OS close default alias: '+cm_host_alias)
       cm_kernel.print_for_con('OS close default UOA:   '+cm_host_uoa)

       if len(all)>0:
          cm_kernel.print_for_con('')
          cm_kernel.print_for_con('OSes from the same family:')
          cm_kernel.print_for_con('')
          for x in all:
              if 'cm_data_uoa' in x: cm_kernel.print_for_con(x['cm_data_uoa'])

    return {'cm_return':0, 'family': family, 'cm_os_uoa_list': all, 'cm_host_uoa': cm_host_uoa, 'cm_host_alias': cm_host_alias}