natanweinberger commented on a change in pull request #15425:
URL: https://github.com/apache/airflow/pull/15425#discussion_r633903623
##########
File path: airflow/models/connection.py
##########
@@ -377,3 +378,50 @@ def get_connection_from_secrets(cls, conn_id: str) ->
'Connection':
if conn:
return conn
raise AirflowNotFoundException(f"The conn_id `{conn_id}` isn't
defined")
+
+ @classmethod
+ def get_connection_parameter_names(cls) -> Set[str]:
+ """Returns :class:`airflow.models.connection.Connection` constructor
parameters."""
+ return {k for k in signature(cls.__init__).parameters.keys() if k !=
"self"}
+
+ @classmethod
+ def from_dict(cls, conn_id: str, conn_dict: Dict) -> 'Connection':
+ """
+ Create a connection from a dictionary.
+
+ :param conn_dict: dictionary representing a connection's attributes
+ e.g., {'conn_id': '', 'conn_type': '', 'login': '', ...}
+ :return: connection
+ """
+ if not isinstance(conn_dict, dict):
+ raise AirflowException(
+ f"Unexpected conn_dict type: {type(conn_dict)}. "
+ "The connection must be defined as a dictionary."
+ )
+
+ connection_parameter_names = cls.get_connection_parameter_names() |
{"extra_dejson"}
+ current_keys = set(conn_dict.keys())
+ if not current_keys.issubset(connection_parameter_names):
+ illegal_keys = current_keys - connection_parameter_names
+ illegal_keys_list = ", ".join(sorted(illegal_keys))
+ raise AirflowException(
Review comment:
Sounds good 👍
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