pym/_emerge/RootConfig.py

   1 # Copyright 1999-2011 Gentoo Foundation
   2 # Distributed under the terms of the GNU General Public License v2
   3
   4 class RootConfig(object):
   5         """This is used internally by depgraph to track information about a
   6         particular $ROOT."""
   7         __slots__ = ("root", "setconfig", "sets", "settings", "trees")
   8
   9         pkg_tree_map = {
  10                 "ebuild"    : "porttree",
  11                 "binary"    : "bintree",
  12                 "installed" : "vartree"
  13         }
  14
  15         tree_pkg_map = {}
  16         for k, v in pkg_tree_map.items():
  17                 tree_pkg_map[v] = k
  18
  19         def __init__(self, settings, trees, setconfig):
  20                 self.trees = trees
  21                 self.settings = settings
  22                 self.root = self.settings['EROOT']
  23                 self.setconfig = setconfig
  24                 if setconfig is None:
  25                         self.sets = {}
  26                 else:
  27                         self.sets = self.setconfig.getSets()
  28
  29         def update(self, other):
  30                 """
  31                 Shallow copy all attributes from another instance.
  32                 """
  33                 for k in self.__slots__:
  34                         setattr(self, k, getattr(other, k))