odoo-payment-addons/product_category_acquirer/models/product_category.py

import logging
from odoo import models, fields, api, _

_logger = logging.getLogger(__name__)


class ProductCategory(models.Model):
    _inherit = "product.category"

    forbidden_provider_ids = fields.Many2many(
        comodel_name="payment.provider",
        column1="category_id",
        column2="provider_id",
        relation="forbidden_category_provider_rel",
        string="Forbidden providers",
        domain=[("state", "in", ["enabled", "test"])],
    )