server-tools/database_cleanup/models/purge_models.py

132 lines
4.1 KiB
Python

# Copyright 2014-2016 Therp BV <http://therp.nl>
# Copyright 2021 Camptocamp <https://camptocamp.com>
# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl.html).
# pylint: disable=consider-merging-classes-inherited
import logging
from odoo import _, api, fields, models
from odoo.exceptions import UserError
from odoo.addons.base.models.ir_model import MODULE_UNINSTALL_FLAG
_logger = logging.getLogger(__name__)
class IrModel(models.Model):
_inherit = "ir.model"
def _drop_table(self):
"""this function crashes for undefined models"""
self = self.filtered(lambda x: x.model in self.env)
return super()._drop_table()
@api.depends()
def _inherited_models(self):
"""this function crashes for undefined models"""
self = self.filtered(lambda x: x.model in self.env)
return super()._inherited_models()
class IrModelFields(models.Model):
_inherit = "ir.model.fields"
def _prepare_update(self):
"""this function crashes for undefined models"""
self = self.filtered(lambda x: x.model in self.env)
return super()._prepare_update()
class CleanupPurgeLineModel(models.TransientModel):
_inherit = "cleanup.purge.line"
_name = "cleanup.purge.line.model"
_description = "Cleanup Purge Line Model"
wizard_id = fields.Many2one(
"cleanup.purge.wizard.model", "Purge Wizard", readonly=True
)
def purge(self):
"""
Unlink models upon manual confirmation.
"""
context_flags = {
MODULE_UNINSTALL_FLAG: True,
"purge": True,
}
if self:
objs = self
else:
objs = self.env["cleanup.purge.line.model"].browse(
self._context.get("active_ids")
)
for line in objs:
self.env.cr.execute(
"SELECT id, model from ir_model WHERE model = %s", (line.name,)
)
row = self.env.cr.fetchone()
if not row:
continue
self.logger.info("Purging model %s", row[1])
attachments = self.env["ir.attachment"].search(
[("res_model", "=", line.name)]
)
if attachments:
self.env.cr.execute(
"UPDATE ir_attachment SET res_model = NULL " "WHERE id in %s",
(tuple(attachments.ids),),
)
self.env["ir.model.constraint"].search(
[
("model", "=", line.name),
]
).unlink()
relations = (
self.env["ir.model.fields"]
.search(
[
("relation", "=", row[1]),
]
)
.with_context(**context_flags)
)
for relation in relations:
try:
# Fails if the model on the target side
# cannot be instantiated
relation.unlink()
except KeyError:
_logger.error("")
except AttributeError:
_logger.error("")
self.env["ir.model.relation"].search(
[("model", "=", line.name)]
).with_context(**context_flags).unlink()
self.env["ir.model"].browse([row[0]]).with_context(**context_flags).unlink()
line.write({"purged": True})
return True
class CleanupPurgeWizardModel(models.TransientModel):
_inherit = "cleanup.purge.wizard"
_name = "cleanup.purge.wizard.model"
_description = "Purge models"
@api.model
def find(self):
"""
Search for models that cannot be instantiated.
"""
res = []
self.env.cr.execute("SELECT model from ir_model")
for (model,) in self.env.cr.fetchall():
if model not in self.env:
res.append((0, 0, {"name": model}))
if not res:
raise UserError(_("No orphaned models found"))
return res
purge_line_ids = fields.One2many(
"cleanup.purge.line.model", "wizard_id", "Models to purge"
)