Source Code for Module conary.build.policy

  1  # 
  2  # Copyright (c) 2004-2008 rPath, Inc. 
  3  # 
  4  # This program is distributed under the terms of the Common Public License, 
  5  # version 1.0. A copy of this license should have been distributed with this 
  6  # source file in a file called LICENSE. If it is not present, the license 
  7  # is always available at http://www.rpath.com/permanent/licenses/CPL-1.0. 
  8  # 
  9  # This program is distributed in the hope that it will be useful, but 
 10  # without any warranty; without even the implied warranty of merchantability 
 11  # or fitness for a particular purpose. See the Common Public License for 
 12  # full details. 
 13  # 
 14  """ 
 15  Base classes and data used for all policy 
 16  """ 
 17   
 18  import imp 
 19  import itertools 
 20  import os 
 21  import sys 
 22  import types 
 23   
 24  from conary.lib import util, log, graph 
 25  from conary.build import action, errors, filter, trovefilter 
 26   
 27   
 28  # buckets (enum -- but may possibly work someday as bitmask for policy 
 29  # that could run more than once in different contexts) 
 30  TESTSUITE            = 1 << 0 
 31  DESTDIR_PREPARATION  = 1 << 1 
 32  DESTDIR_MODIFICATION = 1 << 2 
 33  PACKAGE_CREATION     = 1 << 3 
 34  PACKAGE_MODIFICATION = 1 << 4 
 35  ENFORCEMENT          = 1 << 5 
 36  ERROR_REPORTING      = 1 << 6 
 37  GROUP_ENFORCEMENT    = 1 << 7 
 38   
 39  # requirements (sparse bitmask, 5 sensible states) 
 40  REQUIRED               = 1 << 0 
 41  ORDERED                = 1 << 1 
 42  PRIOR                  = 1 << 2 
 43  REQUIRED_PRIOR         = REQUIRED|ORDERED|PRIOR 
 44  REQUIRED_SUBSEQUENT    = REQUIRED|ORDERED 
 45  CONDITIONAL_PRIOR      = ORDERED|PRIOR 
 46  CONDITIONAL_SUBSEQUENT = ORDERED 
 47   
 48  # file trees 
 49  NO_FILES = 0 << 0 
 50  DESTDIR  = 1 << 0 
 51  BUILDDIR = 1 << 1 
 52  DIR      = DESTDIR|BUILDDIR 
 53  PACKAGE  = 1 << 2 
 54   
 55   
 56 -class BasePolicy(action.RecipeAction): 
 57      """ 
 58      Abstract Superclass for all policy actions. Common bits between Policy 
 59      and GroupPolicy should be defined at this level 
 60      """ 
 61      invariantsubtrees = [] 
 62      invariantexceptions = [] 
 63      invariantinclusions = [] 
 64      allowUnusedFilters = False 
 65   
 66 -    def __init__(self, *args, **kwargs): 
 67          self.unusedFilters = {'inclusions' : set(), 'exceptions' : set()} 
 68          action.RecipeAction.__init__(self, *args, **kwargs) 
 69   
 70 -    def postInit(self): 
 71          """ 
 72          Hook for initialization that cannot happen until after all 
 73          policies have been loaded into the recipe and thus cannot 
 74          happen in __init__; mainly for policies that need to pass 
 75          information to other policies at initialization time. 
 76          """ 
 77          pass 
 78   
 79 -    def updateArgs(self, *args, **keywords): 
 80          """ 
 81          The default way to update a class is to override any provided 
 82          keywords.  Subclasses which have the ability to provide more 
 83          intelligent handling can override this method.  This method 
 84          is invoked automatically by recipe.py when a recipe references 
 85          a policy object.  It acts rather like __init__ except that it 
 86          can meaningfully be called more than once for an object. 
 87   
 88          Some keyword arguments (at least C{exceptions} and C{subtrees}) 
 89          should be appended rather than replaced. 
 90          """ 
 91          allowUnusedFilters =