UrlConstraints

This class defines validation and formatting constraints for URL types, such as maximum length, allowed schemes, and host requirements. It provides a mechanism to apply these constraints to Pydantic core schemas, ensuring that URL instances adhere to specific structural and security rules. The class also supports default values for hosts, ports, and paths while managing how empty paths are preserved.

Attributes

Attribute	Type	Description
max_length	`int	None` = None
allowed_schemes	`list[str]	None` = None
host_required	`bool	None` = None
default_host	`str	None` = None
default_port	`int	None` = None
default_path	`str	None` = None
preserve_empty_path	`bool	None` = None

Constructor

Signature

def UrlConstraints(
    max_length: int | None = None,
    allowed_schemes: list[str]| None = None,
    host_required: bool | None = None,
    default_host: str | None = None,
    default_port: int | None = None,
    default_path: str | None = None,
    preserve_empty_path: bool | None = None
) - > null

Parameters

Name	Type	Description
max_length	`int	None` = None
allowed_schemes	`list[str]	None` = None
host_required	`bool	None` = None
default_host	`str	None` = None
default_port	`int	None` = None
default_path	`str	None` = None
preserve_empty_path	`bool	None` = None

Methods

`defined_constraints()`

@classmethod
def defined_constraints() - > dict[str, Any]

Fetch a key / value mapping of constraints to values that are not None. Used for core schema updates.

Returns

Type	Description
`dict[str, Any]`	A dictionary containing only the active URL constraints and their configured values

Attributes​

Constructor​

Signature​

Parameters​

Methods​

defined_constraints()​

Returns​