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# Copyright 2017 Eficent Business and IT Consulting Services S.L.
# (http://www.eficent.com)
# License AGPL-3.0 or later (https://www.gnu.org/licenses/agpl.html).
import logging
from odoo import sql_db
from odoo import api, fields, models, _
from odoo.exceptions import ValidationError
_logger = logging.getLogger(__name__)
class IrCron(models.Model):
_inherit = "ir.cron"
@api.one
@api.constrains('mutually_exclusive_cron_ids')
def _check_auto_exclusion(self):
if self in self.mutually_exclusive_cron_ids:
raise ValidationError(_(
"You can not mutually exclude a scheduled actions with "
"itself."))
mutually_exclusive_cron_ids = fields.Many2many(
comodel_name="ir.cron", relation="ir_cron_exclusion",
column1="ir_cron1_id", column2="ir_cron2_id",
string="Mutually Exclusive Scheduled Actions")
@staticmethod
def _lock_mutually_exclusive_cron(db, job_id):
lock_cr = db.cursor()
lock_cr.execute("""
WITH Q1 AS (SELECT ir_cron2_id as cron_id FROM ir_cron_exclusion
WHERE ir_cron1_id=%s
UNION ALL
SELECT ir_cron1_id as cron_id FROM ir_cron_exclusion
WHERE ir_cron2_id=%s)
SELECT * FROM Q1
GROUP BY cron_id;""", (job_id, job_id))
locked_ids = tuple([row[0] for row in lock_cr.fetchall()])
if locked_ids:
lock_cr.execute("""SELECT *
FROM ir_cron
WHERE numbercall != 0
AND active
AND id IN %s
FOR UPDATE NOWAIT""",
(locked_ids,), log_exceptions=False)
lock_cr.fetchall()
return lock_cr
@classmethod
def _process_job(cls, job_cr, job, cron_cr):
db = sql_db.db_connect(cls.pool._db.dbname)
locked_crons = cls._lock_mutually_exclusive_cron(db, job['id'])
try:
res = super(IrCron, cls)._process_job(job_cr, job, cron_cr)
finally:
locked_crons.close()
_logger.debug("released blocks for cron job %s" % job['cron_name'])
return res