object-tracker 2.0.0

Usage :

Use the @track decorator to track an object’s attributes.

from object_tracker import track

def observer(attr, old, new):
    print(f"Observer : {attr} -> {old} - {new}")

@track('name', 'age', observers=[observer,])
class User:
    def __init__(self, name, age):
        self.name = name
        self.age = age

user = User(name='Alice', age=30)
user.name = 'Bob'
# Observer : name -> Alice - Bob
print(user.tracker.has_changed())
# True
print(user.tracker.has_attribute_changed('name'))
# True

Or use the Tracker class

class MyClass:
    pass

obj = MyClass()
tracker = Tracker(obj)
obj.attribute = 'new_value'
print(tracker.has_changed(obj))
# True

Or use it with the mixin class TrackerMixin:

from object_tracker import TrackerMixin, Tracker

 class User(TrackerMixin):
     def __init__(self, name, age):
         self.name = name
         self.age = age
         self.tracker = Tracker()