feat: add populate_by_name option to BaseCustomSettings for compatibility with pydantic v2.11+

feat: include `POSTGRES_CLIENT_NAME` as a validation alias in `PostgresSettings`

Author: pcrespov

packages/settings-library/src/settings_library/base.py

@@ -123,6 +123,7 @@ def _parse_none(cls, v, info: ValidationInfo):
         extra="ignore",
         frozen=True,
         ignored_types=(cached_property,),
+        populate_by_name=True,  # deprecated in pydantic v2.11+
         validate_by_alias=True,
         validate_by_name=True,
         validate_default=True,

packages/settings-library/src/settings_library/postgres.py

@@ -43,6 +43,7 @@ class PostgresSettings(BaseCustomSettings):
             description="Name of the application connecting the postgres database, will default to use the host hostname (hostname on linux)",
             validation_alias=AliasChoices(
                 # This is useful when running inside a docker container, then the hostname is set each client gets a different name
+                "POSTGRES_CLIENT_NAME",
                 "HOST",
                 "HOSTNAME",
             ),