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

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

_logger = logging.getLogger(__name__)


class PaymentProvider(models.Model):
    _inherit = "payment.provider"

    forbidden_category_ids = fields.Many2many(
        comodel_name="product.category",
        column1="provider_id",
        column2="category_id",
        relation="forbidden_category_provider_rel",
        string="Forbidden categories",
    )

    @api.model
    def _get_compatible_providers(
        self, *args, sale_order_id=None, website_id=None, **kwargs
    ):
        """Override of payment to exclude forbidden providers set ont order products categories.

        :param int sale_order_id: The sale order to be paid, if any, as a `sale.order` id
        :param int website_id: The provided website, as a `website` id
        :return: The compatible providers
        :rtype: recordset of `payment.provider`
        """
        compatible_providers = super()._get_compatible_providers(
            *args, sale_order_id=sale_order_id, website_id=website_id, **kwargs
        )

        # Get order if set int the args
        order = self.env["sale.order"].browse(sale_order_id).exists()
        # If order exists, remove forbidden providers from the list
        if order:
            compatible_providers -= order.order_line.mapped(
                "product_id.categ_id.forbidden_provider_ids"
            )

        return compatible_providers