import odoo
from odoo import api, models, fields
from odoo.http import request
from odoo import http

class IrHttp(models.AbstractModel):
    _inherit = 'ir.http'

    def session_info(self):
        info = super().session_info()
        active_master = http.request.session.get("active_master")
        if active_master:
            info['user_context']['active_master'] = active_master
        else:
            info['user_context']['active_master'] = ''
        return info