Revert "Remove vendored libjuju"

[osm/N2VC.git] / modules / libjuju / examples / livemodel.py

diff --git a/modules/libjuju/examples/livemodel.py b/modules/libjuju/examples/livemodel.py
new file mode 100644 (file)
index 0000000..1b10ac9
--- /dev/null
+++ b/modules/libjuju/examples/livemodel.py
@@ -0,0 +1,31 @@
+"""
+This example:
+
+1. Connects to the current model
+2. Watches the model and prints all changes
+3. Runs forever (kill with Ctrl-C)
+
+"""
+from juju.model import Model
+from juju import loop
+
+
+async def on_model_change(delta, old, new, model):
+    print(delta.entity, delta.type, delta.data)
+    print(old)
+    print(new)
+    print(model)
+
+
+async def watch_model():
+    model = Model()
+    # connect to current model with current user, per Juju CLI
+    await model.connect()
+
+    model.add_observer(on_model_change)
+
+
+if __name__ == '__main__':
+    # Run loop until the process is manually stopped (watch_model will loop
+    # forever).
+    loop.run(watch_model())