Source Code for Module entropy.client.interfaces.loaders

 1  # -*- coding: utf-8 -*- 
 2  ''' 
 3      # DESCRIPTION: 
 4      # Entropy Object Oriented Interface 
 5   
 6      Copyright (C) 2007-2009 Fabio Erculiani 
 7   
 8      This program is free software; you can redistribute it and/or modify 
 9      it under the terms of the GNU General Public License as published by 
10      the Free Software Foundation; either version 2 of the License, or 
11      (at your option) any later version. 
12   
13      This program is distributed in the hope that it will be useful, 
14      but WITHOUT ANY WARRANTY; without even the implied warranty of 
15      MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the 
16      GNU General Public License for more details. 
17   
18      You should have received a copy of the GNU General Public License 
19      along with this program; if not, write to the Free Software 
20      Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA 
21  ''' 
22  from __future__ import with_statement 
23  from entropy.const import * 
24  from entropy.exceptions import * 
25   
26 -class LoadersMixin: 
27   
28      __QA_cache = {} 
29      __security_cache = {} 
30      __spm_cache = {} 
31 -    def __init__(self): 
32          from entropy.client.interfaces.client import Client 
33          from entropy.client.interfaces.trigger import Trigger 
34          from entropy.client.interfaces.repository import Repository 
35          from entropy.client.interfaces.package import Package 
36          self.__PackageLoader = Package 
37          self.__RepositoryLoader = Repository 
38          self.__TriggerLoader = Trigger 
39   
40 -    def closeAllQA(self): 
41          self.__QA_cache.clear() 
42   
43 -    def closeAllSecurity(self): 
44          self.__security_cache.clear() 
45   
46 -    def Security(self): 
47          chroot = etpConst['systemroot'] 
48          cached = self.__security_cache.get(chroot) 
49          if cached != None: 
50              return cached 
51          from entropy.security import SecurityInterface 
52          cached = SecurityInterface(self) 
53          self.__security_cache[chroot] = cached 
54          return cached 
55   
56 -    def QA(self): 
57          chroot = etpConst['systemroot'] 
58          cached = self.__QA_cache.get(chroot) 
59          if cached != None: 
60              return cached 
61          from entropy.qa import QAInterface 
62          cached = QAInterface(self) 
63          self.__QA_cache[chroot] = cached 
64          return cached 
65   
66 -    def Triggers(self, *args, **kwargs): 
67          return self.__TriggerLoader(self, *args, **kwargs) 
68   
69 -    def Repositories(self, reponames = [], forceUpdate = False, noEquoCheck = False, fetchSecurity = True): 
70          return self.__RepositoryLoader(self, reponames = reponames, 
71              forceUpdate = forceUpdate, noEquoCheck = noEquoCheck, 
72              fetchSecurity = fetchSecurity) 
73   
74 -    def Spm(self): 
75          from entropy.spm import Spm 
76          myroot = etpConst['systemroot'] 
77          cached = self.__spm_cache.get(myroot) 
78          if cached != None: return cached 
79          conn = Spm(self) 
80          self.__spm_cache[myroot] = conn.intf 
81          return conn.intf 
82   
83 -    def Package(self): 
84          return self.__PackageLoader(self) 
85