Source Code for Package vdb.extensions

 1  import os 
 2  import imp 
 3  import traceback 
 4   
 5  __all__ = ['loadExtensions','windows','i386','darwin','amd64','gdbstub','arm','android'] 
 6   
 7  ''' 
 8  A package to contain all the extended functionality for platform specific 
 9  commands and modules. 
10  ''' 
11   
12 -def loadExtensions(vdb, trace): 
13      ''' 
14      Actually load all known extensions here. 
15      ''' 
16      plat = trace.getMeta('Platform').lower() 
17      arch = trace.getMeta('Architecture').lower() 
18   
19      if plat in __all__: 
20          mod = __import__('vdb.extensions.%s' % plat, 0, 0, 1) 
21          mod.vdbExtension(vdb, trace) 
22   
23      if arch in __all__: 
24          mod = __import__('vdb.extensions.%s' % arch, 0, 0, 1) 
25          mod.vdbExtension(vdb, trace) 
26   
27      extdir = os.getenv('VDB_EXT_PATH') 
28   
29      if extdir != None: 
30   
31          for dirname in extdir.split(';'): 
32   
33              if not os.path.isdir(dirname): 
34                  vdb.vprint('Invalid VDB_EXT_PATH dir: %s' % dirname) 
35                  continue 
36   
37              for fname in os.listdir(dirname): 
38                  if not fname.endswith('.py'): 
39                      continue 
40   
41                  # Build code objects from the module files 
42                  mod = imp.new_module('vdb_ext') 
43                  filepath = os.path.join(dirname, fname) 
44                  filebytes = file( filepath, 'r' ).read() 
45                  mod.__file__ = filepath 
46                  try: 
47                      exec filebytes in mod.__dict__ 
48                      mod.vdbExtension(vdb, trace) 
49                  except Exception, e: 
50                      vdb.vprint( traceback.format_exc() ) 
51                      vdb.vprint('Extension Error: %s' % filepath) 
52