modules/libjuju/examples/livemodel.py

   1 """
   2 This example:
   3
   4 1. Connects to the current model
   5 2. Watches the model and prints all changes
   6 3. Runs forever (kill with Ctrl-C)
   7
   8 """
   9 import asyncio
  10
  11 from juju.model import Model
  12 from juju import loop
  13
  14
  15 async def on_model_change(delta, old, new, model):
  16     print(delta.entity, delta.type, delta.data)
  17     print(old)
  18     print(new)
  19     print(model)
  20
  21
  22 async def watch_model():
  23     model = Model()
  24     await model.connect_current()
  25
  26     model.add_observer(on_model_change)
  27
  28
  29 if __name__ == '__main__':
  30     # Run loop until the process is manually stopped (watch_model will loop
  31     # forever).
  32     loop.run(watch_model())