Use pydantic to genrerate standard function type

main.py

import pydantic.validators


def plus_a_b(a: int, b: int):
    return a + b


result = pydantic.validate_arguments(plus_a_b)
print(result.model.schema_json(indent=2))
# {
#   "title": "PlusAB",
#   "type": "object",
#   "properties": {
#     "a": {
#       "title": "A",
#       "type": "integer"
#     },
#     "v__duplicate_kwargs": {
#       "title": "V  Duplicate Kwargs",
#       "type": "array",
#       "items": {
#         "type": "string"
#       }
#     },
#     "b": {
#       "title": "B",
#       "type": "integer"
#     },
#     "args": {
#       "title": "Args",
#       "type": "array",
#       "items": {}
#     },
#     "kwargs": {
#       "title": "Kwargs",
#       "type": "object"
#     }
#   },
#   "required": [
#     "a",
#     "b"
#   ],
#   "additionalProperties": false
# }