help yourself with addons/web/controllers/main.py

class Database(http.Controller):

    @http.route('/web/database/create', type='http', auth="none", methods=['POST'], csrf=False)
    def create(self, master_pwd, name, lang, password, **post):
        try:
            if not re.match(DBNAME_PATTERN, name):
                raise Exception(_('Invalid database name. Only alphanumerical characters, underscore, hyphen and dot are allowed.'))
            # country code could be = "False" which is actually True in python
            country_code = post.get('country_code') or False
            dispatch_rpc('db', 'create_database', [master_pwd, name, bool(post.get('demo')), lang, password, post['login'], country_code])
            request.session.authenticate(name, post['login'], password)
            return http.local_redirect('/web/')
        except Exception, e:
            error = "Database creation error: %s" % (str(e) or repr(e))
        return self._render_template(error=error)