Rename example and fix style

examples/annotate.py

@@ -0,0 +1,73 @@
+#!/usr/bin/python3
+
+# Copyright 2023 Canonical Ltd.
+# Licensed under the Apache V2, see LICENCE file for details.
+
+import asyncio
+import argparse
+import logging
+import sys
+
+# from juju import jasyncio
+import juju.model
+
+
+async def get_annotations(model, args):
+    logging.info('getting annotations')
+    annotations = await model.get_annotations()
+    if args.key is None:
+        for key, value in annotations.items():
+            print(f'{key}: {value!r}')
+    else:
+        value = annotations[args.key]
+        print(value)
+
+
+async def set_annotation(model, args):
+    logging.info(f'setting annotation for {args.key!r}')
+    await model.set_annotations({args.key: args.value})
+
+
+async def get_model():
+    logging.info('getting model')
+    model = juju.model.Model()
+    await model.connect()
+    return model
+
+
+async def run_func(args):
+    model = await get_model()
+    try:
+        await args.func(model, args)
+    finally:
+        logging.info('disconnecting the model')
+        await model.disconnect()
+
+
+def parse_args(args):
+    p = argparse.ArgumentParser()
+    p.add_argument('--debug', action="store_const", dest="loglevel", const=logging.DEBUG, default=logging.WARNING)
+    p.add_argument('--verbose', '-v', action="store_const", dest="loglevel", const=logging.INFO)
+    p.add_argument('--quiet', action="store_const", dest="loglevel", const=logging.CRITICAL)
+    sub = p.add_subparsers()
+    getp = sub.add_parser('get')
+    getp.set_defaults(func=get_annotations)
+    getp.add_argument("key", help='the key to set', nargs='?')
+    setp = sub.add_parser('set')
+    setp.set_defaults(func=set_annotation)
+    setp.add_argument("key", help='the key to set')
+    setp.add_argument("value", help='set the value of key to this value, empty string removes the annotation')
+    return p.parse_args(args)
+
+
+def main():
+    args = parse_args(sys.argv[1:])
+    rootLogger = logging.getLogger()
+    rootLogger.setLevel(args.loglevel)
+    asyncio.run(run_func(args))
+
+
+if __name__ == '__main__':
+    main()
+
+# vim: expandtab ts=4 sts=4 shiftwidth=4 autoindent:

juju/model.py

@@ -452,7 +452,8 @@ class LocalDeployType:
     """LocalDeployType deals with local only deployments.
     """
 
-    async def resolve(self, url, architecture, app_name=None, channel=None, series=None, revision=None, entity_url=None, force=False):
+    async def resolve(self, url, architecture, app_name=None, channel=None, series=None, revision=None,
+                      entity_url=None, force=False):
         """resolve attempts to resolve a local charm or bundle using the url
         and architecture. If information is missing, it will attempt to backfill
         that information, before sending the result back.