def testSerializedString(self):
"""Test that we can create configs from strings"""
serialized = {
"yaml": """
testing: hello
formatters:
calexp: 3""",
"json": '{"testing": "hello", "formatters": {"calexp": 3}}'
}
for format, string in serialized.items():
c = Config.fromString(string, format=format)
self.assertEqual(c["formatters", "calexp"], 3)
self.assertEqual(c["testing"], "hello")
with self.assertRaises(ValueError):
Config.fromString("", format="unknown")
with self.assertRaises(ValueError):
Config.fromString(serialized["yaml"], format="json")
# This JSON can be parsed by YAML parser
j = Config.fromString(serialized["json"])
y = Config.fromString(serialized["yaml"])
self.assertEqual(j["formatters", "calexp"], 3)
self.assertEqual(j.toDict(), y.toDict())
# Round trip JSON -> Config -> YAML -> Config -> JSON -> Config
c1 = Config.fromString(serialized["json"], format="json")
yaml = c1.dump(format="yaml")
c2 = Config.fromString(yaml, format="yaml")
json = c2.dump(format="json")
c3 = Config.fromString(json, format="json")
self.assertEqual(c3.toDict(), c1.toDict())
def read_server_config() -> Mapping:
"""Return the butler configuration that the client should use."""
config_str = f"""
datastore:
root: {BUTLER_ROOT}
registry:
cls: lsst.daf.butler.registries.remote.RemoteRegistry
db: <butlerRoot>
"""
config = Config.fromString(config_str, format="yaml")
return config
