cache_messup_demo.py

cache_messup_demo.py

#!/usr/bin/env python2
from argparse import ArgumentParser


parser = ArgumentParser()
parser.add_argument('odoo_basedir')
parser.add_argument('odoo_cfg')
parser.add_argument('odoo_db')
args = parser.parse_args()

import sys
sys.path.insert(0, args.odoo_basedir)

from openerp import SUPERUSER_ID, api, tools
from openerp.sql_db import db_connect
tools.config.parse_config(['-c', args.odoo_cfg])
cr = db_connect(args.odoo_db).cursor()
uid = SUPERUSER_ID

def print_context_cache():
    print '-----'
    for env in api.Environment.envs.envs:
        if not env.context:
            # this is the context introduced by env.ref()
            continue
        print 'context: %s\nargs: %s\ncache: %s' % (
            env.context,
            env.args[2],
            env.cache[env['res.partner.category']._fields['display_name']]
        )
    print '-----'

with api.Environment.manage():
    env = api.Environment(cr, uid, {'partner_category_display': 'short'})
    print 'after first fetch %s' % (
        env.ref('base.res_partner_category_5').display_name)
    print_context_cache()
    env.context = {'partner_category_display': 'long'}
    print 'after changing context %s, %s' % (
        env.ref('base.res_partner_category_5').display_name,
        env.ref('base.res_partner_category_4').display_name)
    print_context_cache()
    env = api.Environment(cr, uid, {'partner_category_display': 'short'})
    print 'after requesting same context %s, %s' % (
        env.ref('base.res_partner_category_5').display_name,
        env.ref('base.res_partner_category_4').display_name)
    print_context_cache()
    env = api.Environment(cr, uid, {'partner_category_display': 'long'})
    print 'after requesting coerced context %s, %s' % (
        env.ref('base.res_partner_category_5').display_name,
        env.ref('base.res_partner_category_4').display_name)
    print_context_cache()
    env
cr.close()