def from_dict(self, *, user_name: str,
user_dict: Dict[str, str]) -> "SystemUser":
raw_scope = user_dict.get("scope", None)
if raw_scope is None:
raise errors.SystemUsernamesValidationError(
name=user_name, message="'scope' is undefined")
try:
scope = SystemUserScope[raw_scope.upper()]
except KeyError:
raise errors.SystemUsernamesValidationError(
name=user_name, message=f"scope {raw_scope!r} is invalid")
return SystemUser(name=user_name, scope=scope)
def from_object(cls, *, user_object: Any, user_name: str) -> "SystemUser":
if user_object is None:
raise errors.SystemUsernamesValidationError(
name=user_name, message="undefined user"
)
elif isinstance(user_object, str):
try:
scope = SystemUserScope[user_object.upper()]
except KeyError:
raise errors.SystemUsernamesValidationError(
name=user_name, message=f"scope {user_object!r} is invalid"
)
return SystemUser(name=user_name, scope=scope)
elif isinstance(user_object, dict):
return cls.from_dict(user_dict=user_object, user_name=user_name)
raise errors.SystemUsernamesValidationError(
name=user_name, message=f"unknown syntax for {user_object!r}"
)
def validate(self):
if not isinstance(self.scope, SystemUserScope):
raise errors.SystemUsernamesValidationError(
name=self.name, message=f"scope {self.scope!r} is invalid"
)