"""Support for DB API 2 type codes."""

from __future__ import annotations

__all__ = ['TypeCode']

class TypeCode(str):

"""Class representing the type_code used by the DB-API 2.0.

TypeCode objects are strings equal to the PostgreSQL type name,

but carry some additional information.

"""

oid: int

len: int

type: str

category: str

delim: str

relid: int

# noinspection PyShadowingBuiltins

@classmethod

def create(cls, oid: int, name: str, len: int, type: str, category: str,

delim: str, relid: int) -> TypeCode:

"""Create a type code for a PostgreSQL data type."""

self = cls(name)

self.oid = oid

self.len = len

self.type = type

self.category = category

self.delim = delim

self.relid = relid

return self