Source Code for Module servercodemanager

 1  # -*- coding: utf-8 -*- 
 2   
 3  ############################################################################ 
 4  # servercodemanager.py 
 5  # 
 6  # Class that manages the distribution codes on the server. These codes 
 7  # are shared between server and client. 
 8  # 
 9  # (C) 2008 Likya Software Ltd. 
10  ############################################################################ 
11   
12  import os, sys, md5 
13  import glob, tarfile, zipfile 
14  import cStringIO, shutil 
15   
16  from twisted.python import log 
17   
18  from constants import Constants 
19   
20 -class ServerCodeManager(object): 
21       
22 -    def __init__(self): 
23          ''' 
24          Creates a new instance of ServerCodeManager, which is responsible for 
25          extracting MOC packages to temporary directories on server. 
26          ''' 
27          pass 
28   
29 -    def extractAll(self): 
30          ''' 
31          Extracts all available distributions into the temporary working directory. 
32          ''' 
33          # First create temporary working directory (remove any existing one) 
34          shutil.rmtree(Constants.WORK_DIRECTORY, ignore_errors=True) 
35          os.mkdir(Constants.WORK_DIRECTORY) 
36          # Traverse distributions 
37          for distDir in glob.glob(os.path.join(Constants.DIST_DIRECTORY, '*')): 
38              if os.path.isdir(distDir): 
39                  self._extractDistribution(distDir) 
40   
41 -    def _extractDistribution(self, distPath): 
42          ''' 
43          Extracts distribution contents to the temporary working directory. 
44   
45          @type  distPath: string 
46          @param distPath: String points to the distribution base directory 
47              (relative to the application server working directory) 
48          ''' 
49          log.msg('Extracting Distribution: %s' % distPath) 
50   
51          for moduleFile in glob.glob(os.path.join(distPath, '*' + Constants.MODULE_EXT)): 
52              if os.path.isfile(moduleFile): 
53                  modPackage = tarfile.open(moduleFile, 'r:bz2') 
54                  # Create base directory for distribution 
55                  newDistDirectory = os.path.join(Constants.WORK_DIRECTORY, os.path.basename(distPath)) 
56                  if not os.path.exists(newDistDirectory): 
57                      os.mkdir(newDistDirectory) 
58                  modPackage.extractall(newDistDirectory) 
59