/lib/opcodes.py - Diff - ganeti-local - Greek Research and Technology Network's projects

Revision 32683096 lib/opcodes.py

     from ganeti import errors
     from ganeti import ht
     from ganeti import objects
     from ganeti import objectutils
     # Common opcode attributes
-...
                      "Storage type")
     class _AutoOpParamSlots(type):
     class _AutoOpParamSlots(objectutils.AutoSlots):
       """Meta class for opcode definitions.
       """
-...
         @param attrs: Class attributes
         """
         assert "__slots__" not in attrs, \
           "Class '%s' defines __slots__ when it should use OP_PARAMS" % name
         assert "OP_ID" not in attrs, "Class '%s' defining OP_ID" % name
         slots = mcs._GetSlots(attrs)
         assert "OP_DSC_FIELD" not in attrs or attrs["OP_DSC_FIELD"] in slots, \
           "Class '%s' uses unknown field in OP_DSC_FIELD" % name
         attrs["OP_ID"] = _NameToId(name)
         return objectutils.AutoSlots.__new__(mcs, name, bases, attrs)
       @classmethod
       def _GetSlots(mcs, attrs):
         """Build the slots out of OP_PARAMS.
         """
         # Always set OP_PARAMS to avoid duplicates in BaseOpCode.GetAllParams
         params = attrs.setdefault("OP_PARAMS", [])
         # Use parameter names as slots
         slots = [pname for (pname, _, _, _) in params]
         assert "OP_DSC_FIELD" not in attrs or attrs["OP_DSC_FIELD"] in slots, \
           "Class '%s' uses unknown field in OP_DSC_FIELD" % name
         attrs["__slots__"] = slots
         return type.__new__(mcs, name, bases, attrs)
         return [pname for (pname, _, _, _) in params]
     class BaseOpCode(object):
     class BaseOpCode(objectutils.ValidatedSlots):
       """A simple serializable object.
       This object serves as a parent class for OpCode without any custom
-...
       # as OP_ID is dynamically defined
       __metaclass__ = _AutoOpParamSlots
       def __init__(self, **kwargs):
         """Constructor for BaseOpCode.
         The constructor takes only keyword arguments and will set
         attributes on this object based on the passed arguments. As such,
         it means that you should not pass arguments which are not in the
         __slots__ attribute for this class.
         """
         slots = self._all_slots()
         for key in kwargs:
           if key not in slots:
             raise TypeError("Object %s doesn't support the parameter '%s'" %
                             (self.__class__.__name__, key))
           setattr(self, key, kwargs[key])
       def __getstate__(self):
         """Generic serializer.
-...
         """
         state = {}
         for name in self._all_slots():
         for name in self.GetAllSlots():
           if hasattr(self, name):
             state[name] = getattr(self, name)
         return state
-...
           raise ValueError("Invalid data to __setstate__: expected dict, got %s" %
                            type(state))
         for name in self._all_slots():
         for name in self.GetAllSlots():
           if name not in state and hasattr(self, name):
             delattr(self, name)
-...
           setattr(self, name, state[name])
       @classmethod
       def _all_slots(cls):
         """Compute the list of all declared slots for a class.
         """
         slots = []
         for parent in cls.__mro__:
           slots.extend(getattr(parent, "__slots__", []))
         return slots
       @classmethod
       def GetAllParams(cls):
         """Compute list of all parameters for an opcode.
-...
           slots.extend(getattr(parent, "OP_PARAMS", []))
         return slots
       def Validate(self, set_defaults):
       def Validate(self, set_defaults): # pylint: disable=W0221
         """Validate opcode parameters, optionally setting default values.
         @type set_defaults: bool

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Revision 32683096 lib/opcodes.py