Source Code for Module networkx.exception

 1  """ 
 2  Base exceptions and errors for NetworkX. 
 3       
 4  """ 
 5  __author__ = """Aric Hagberg (hagberg@lanl.gov)\nPieter Swart (swart@lanl.gov)\nDan Schult(dschult@colgate.edu)""" 
 6  #    Copyright (C) 2004-2006 by  
 7  #    Aric Hagberg <hagberg@lanl.gov> 
 8  #    Dan Schult <dschult@colgate.edu> 
 9  #    Pieter Swart <swart@lanl.gov> 
10  #    Distributed under the terms of the GNU Lesser General Public License 
11  #    http://www.gnu.org/copyleft/lesser.html 
12  # 
13   
14  # Exception handling 
15   
16  # the root of all Exceptions 
17 -class NetworkXException(Exception): 
18      """Base class for exceptions in NetworkX.""" 
19   
20 -class NetworkXError(NetworkXException): 
21      """Exception for a serious error in NetworkX""" 
22   
23   
24 -def _test_suite(): 
25      import doctest 
26      suite = doctest.DocFileSuite('tests/exception.txt', 
27                                   package='networkx') 
28      return suite 
29   
30   
31  if __name__ == "__main__": 
32      import os 
33      import sys 
34      import unittest 
35      if sys.version_info[:2] < (2, 4): 
36          print "Python version 2.4 or later required for tests (%d.%d detected)." %  sys.version_info[:2] 
37          sys.exit(-1) 
38      # directory of networkx package (relative to this) 
39      nxbase=sys.path[0]+os.sep+os.pardir 
40      sys.path.insert(0,nxbase) # prepend to search path 
41      unittest.TextTestRunner().run(_test_suite()) 
42