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