from odoo import models, fields, api


class ResSupplierInfo(models.Model):
    _inherit = 'product.supplierinfo'

    def _compute_is_subcontractor(self):
        for supplier in self:
            boms = supplier.product_id.variant_bom_ids
            boms |= supplier.product_tmpl_id.bom_ids.filtered(lambda b: not b.product_id or b.product_id in (supplier.product_id or supplier.product_tmpl_id.product_variant_ids))
            supplier.is_subcontractor = supplier.partner_id in boms.subcontractor_id