Display all properties with reflection

[sccs cscs]

Hello,
I like create a methode that display all the properties of an instance of classe with their value.
I try the following code: see     def __str__ (self) methode.
But it displays only the instance attributes values not the properties and their value.
In pseudo-code:
For Each Properties :
   print  property_name,  property_value

It is possible ? Where is the collection of properties into the Python Object Metamodele?

Thank you.
Zorgi

class PhysicalObject(Subject):
    """
    Base class for physical Object
    They inherit from Subject whose contract are:
        def attach(self, observer)
        def detach(self, observer)
        def notify(self, modifier = None)
    
    """
    def __init__(self, World, Space, ThePhysicalProperties):
        """

        """
        #Initialize Subject-Observers mecanism
        Subject.__init__(self)
        self.__name  = None
        ....
        
    ...
    def __str__ (self):
        """
        Return a string that describe the value of all attributes for the instance
        """
        result = None
        msgList = ["%s --->%s"%(str(attribute), str(value)) for (attribute, value) in  self.__dict__.items()]
        msgList.sort()
        result  = "\n\n%s instance :" % (self.__class__.__name__)
        result += "\n".join (msgList)
        return result
    
     
    Name               = property(fget = __getName,               fset = __setName)
    Position           = property(fget = __getPosition,           fset = __setPosition)
    LinearVelocity     = property(fget = __getLinearVelocity,     fset = __setLinearVelocity)
    AngularVelocity    = property(fget = __getAngularVelocity,     fset = __setAngularVelocity)
    RotationMatrice    = property(fget = __getRotationMatrice,    fset = __setRotationMatrice)
    Masse              = property(fget = __getMass,              fset = __setMass)
    GravityMode        = property(fget = __getGravityMode,        fset = __setGravityMode)




             
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