64 lines
2.4 KiB
Python
64 lines
2.4 KiB
Python
# Copyright (C) 2019 Akretion
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# License LGPL-3.0 or later (http://www.gnu.org/licenses/lgpl.html).
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import logging
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import odoo
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from odoo import api, models
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from odoo.tools.safe_eval import datetime, safe_eval
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_logger = logging.getLogger(__name__)
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class AutovacuumMixin(models.AbstractModel):
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_name = "autovacuum.mixin"
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_description = "Mixin used to delete messages or attachments"
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def batch_unlink(self):
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with odoo.registry(self.env.cr.dbname).cursor() as new_cr:
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new_env = api.Environment(new_cr, self.env.uid, self.env.context)
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try:
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while self:
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batch_delete = self[0:1000]
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self -= batch_delete
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# do not attach new env to self because it may be
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# huge, and the cache is cleaned after each unlink
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# so we do not want to much record is the env in
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# which we call unlink because odoo would prefetch
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# fields, cleared right after.
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batch_delete.with_env(new_env).unlink()
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new_env.cr.commit()
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except Exception as e:
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_logger.exception(f"Failed to delete Ms : {self._name} - {str(e)}")
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# Call by cron
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@api.model
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def autovacuum(self, ttype="message"):
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rules = self.env["vacuum.rule"].search([("ttype", "=", ttype)])
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for rule in rules:
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records = rule._search_autovacuum_records()
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records.batch_unlink()
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def _get_autovacuum_domain(self, rule):
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return []
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def _get_autovacuum_records(self, rule):
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if rule.model_id and rule.model_filter_domain:
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return self._get_autovacuum_records_model(rule)
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return self.search(self._get_autovacuum_domain(rule))
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def _get_autovacuum_records_model(self, rule):
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domain = self._get_autovacuum_domain(rule)
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record_domain = safe_eval(
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rule.model_filter_domain, locals_dict={"datetime": datetime}
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)
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autovacuum_relation = self._autovacuum_relation
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for leaf in domain:
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if not isinstance(leaf, (tuple | list)):
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record_domain.append(leaf)
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continue
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field, operator, value = leaf
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record_domain.append((f"{autovacuum_relation}.{field}", operator, value))
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records = self.env[rule.model_id.model].search(record_domain)
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return self.search(domain + [("res_id", "in", records.ids)])
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