server/installable_object.py

   1 from autotest_lib.server import utils
   2
   3
   4 class InstallableObject(object):
   5     """
   6     This class represents a software package that can be installed on
   7     a Host.
   8
   9     Implementation details:
  10     This is an abstract class, leaf subclasses must implement the methods
  11     listed here. You must not instantiate this class but should
  12     instantiate one of those leaf subclasses.
  13     """
  14
  15     source_material= None
  16
  17     def __init__(self):
  18         super(InstallableObject, self).__init__()
  19
  20
  21     def get(self, location):
  22         """
  23         Get the source material required to install the object.
  24
  25         Through the utils.get() function, the argument passed will be
  26         saved in a temporary location on the LocalHost. That location
  27         is saved in the source_material attribute.
  28
  29         Args:
  30                 location: the path to the source material. This path
  31                         may be of any type that the utils.get()
  32                         function will accept.
  33         """
  34         self.source_material= utils.get(location)
  35
  36
  37     def install(self, host):
  38         pass