commands/lib/layman/overlays/rsync.py

   1 #!/usr/bin/python
   2 # -*- coding: utf-8 -*-
   3 #################################################################################
   4 # LAYMAN RSYNC OVERLAY HANDLER
   5 #################################################################################
   6 # File:       rsync.py
   7 #
   8 #             Handles rsync overlays
   9 #
  10 # Copyright:
  11 #             (c) 2005 - 2008 Gunnar Wrobel
  12 #             Distributed under the terms of the GNU General Public License v2
  13 #
  14 # Author(s):
  15 #             Gunnar Wrobel <wrobel@gentoo.org>
  16 #
  17 ''' Rsync overlay support.'''
  18
  19 __version__ = "$Id: rsync.py 236 2006-09-05 20:39:37Z wrobel $"
  20
  21 #===============================================================================
  22 #
  23 # Dependencies
  24 #
  25 #-------------------------------------------------------------------------------
  26
  27 from   layman.utils             import path
  28 from   layman.overlays.overlay  import Overlay
  29
  30 #===============================================================================
  31 #
  32 # Class RsyncOverlay
  33 #
  34 #-------------------------------------------------------------------------------
  35
  36 class RsyncOverlay(Overlay):
  37     ''' Handles rsync overlays.'''
  38
  39     type = 'Rsync'
  40
  41     binary = '/usr/bin/rsync'
  42
  43     base = binary + ' -rlptDvz --progress --delete --delete-after ' +           \
  44         '--timeout=180 --exclude="distfiles/*" --exclude="local/*" ' +          \
  45         '--exclude="packages/*" '
  46
  47     def add(self, base, quiet = False):
  48         '''Add overlay.'''
  49
  50         self.supported()
  51
  52         Overlay.add(self, base)
  53
  54         return self.sync(base)
  55
  56     def sync(self, base, quiet = False):
  57         '''Sync overlay.'''
  58
  59         self.supported()
  60
  61         if quiet:
  62             quiet_option = '-q '
  63         else:
  64             quiet_option = ''
  65
  66         return self.cmd(self.base + quiet_option + '"' + self.src + '/" "' +
  67                         path([base, self.name]) + '"')
  68
  69     def supported(self):
  70         '''Overlay type supported?'''
  71
  72         return Overlay.supported(self, [(self.binary,  'rsync',
  73                                          'net-misc/rsync'),])