Source Code for Module pyvb.command

 1  """ 
 2  command - pyvb module that holds a simple command abstraction 
 3  used to run VirtualBox commands. 
 4  """ 
 5  import popen2 
 6  from pyvb.exception import vbCommandError 
 7   
 8 -class VBCommand: 
 9          """An abstraction representing a command line command.""" 
10 -        def __init__(self, command=''): 
11                  """Constructor.  Initialize the command to run. 
12                  @keyword command: The command to run. 
13                  @type command: String 
14                  @return: A new L{pyvb.command.VBCommand} instance. 
15                  @rtype: L{pyvb.command.VBCommand}""" 
16                  self.command=command 
17           
18 -        def run(self): 
19                  """Run the command and set the read, write, and error attributes. 
20                  If there was and error, and exception is raised. 
21                  @return: None 
22                  @rtype: None""" 
23                  self.read, self.write, self.error=popen2.popen3(self.command) 
24                  error_message=self.error.read() 
25                  if error_message: 
26                          raise vbCommandError(error_message) 
27