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122 lines
4.2 KiB
122 lines
4.2 KiB
# -*- coding: utf-8 -*-
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# Copyright (C) 2017 - Today: GRAP (http://www.grap.coop)
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# @author: Sylvain LE GAL (https://twitter.com/legalsylvain)
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# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl.html).
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import logging
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from openerp import api, fields, models
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_logger = logging.getLogger(__name__)
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class WizardModuleUninstallLine(models.TransientModel):
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_name = 'wizard.module.uninstall.line'
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LINE_TYPE_SELECTION = [
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('model', 'Model'),
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('field', 'Field'),
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]
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DB_TYPE_SELECTION = [
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('', 'Unknown Type'),
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('r', 'Ordinary Table'),
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('i', 'Index'),
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('S', 'Sequence'),
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('v', 'view'),
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('c', 'Composite Type'),
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('t', 'TOAST table'),
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]
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wizard_id = fields.Many2one(
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comodel_name='wizard.module.uninstall', required=True)
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line_type = fields.Selection(
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selection=LINE_TYPE_SELECTION, required=True)
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model_id = fields.Many2one(comodel_name='ir.model', readonly=True)
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model_name = fields.Char(
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string='Model Name', related='model_id.model', readonly=True)
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table_size = fields.Integer(
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string='Table Size (KB)', compute='_compute_database',
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multi='database', store=True)
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index_size = fields.Integer(
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string='Indexes Size (KB)', compute='_compute_database',
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multi='database', store=True)
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db_type = fields.Selection(
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selection=DB_TYPE_SELECTION, compute='_compute_database',
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multi='database', store=True)
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db_size = fields.Integer(
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string='Total DB Size (KB)', compute='_compute_database',
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multi='database', store=True)
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model_row_qty = fields.Integer(
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string='Rows Quantity', compute='_compute_database', multi='database',
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store=True,
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help="The approximate value of the number of records in the database,"
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" based on the PostgreSQL column 'reltuples'.\n You should reindex"
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" your database, to have a more precise value\n\n"
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" 'REINDEX database your_database_name;'")
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field_id = fields.Many2one(comodel_name='ir.model.fields', readonly=True)
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field_name = fields.Char(
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string='Field Name', related='field_id.name', readonly=True)
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field_ttype = fields.Selection(
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string='Field Type', related='field_id.ttype', readonly=True)
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field_model_name = fields.Char(
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string='Field Model Name', related='field_id.model_id.model',
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readonly=True)
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@api.multi
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@api.depends('model_id', 'line_type')
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def _compute_database(self):
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table_names = []
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for line in self.filtered(lambda x: x.model_id):
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model_obj = self.env.registry.get(line.model_id.model, False)
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if model_obj:
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table_names.append(model_obj._table)
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else:
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# Try to guess table name, replacing "." by "_"
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table_names.append(line.model_id.model.replace('.', '_'))
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# Get Relation Informations
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req = (
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"SELECT"
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" table_name,"
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" row_qty,"
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" db_type,"
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" pg_table_size(table_name::regclass::oid) AS table_size,"
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" pg_indexes_size(table_name::regclass::oid) AS index_size,"
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" pg_total_relation_size(table_name::regclass::oid) AS db_size"
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" FROM ("
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" SELECT"
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" relname AS table_name,"
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" reltuples AS row_qty,"
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" relkind as db_type"
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" FROM pg_class"
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" WHERE relname IN %s) AS tmp;"
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)
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self.env.cr.execute(req, (tuple(table_names),))
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res = self.env.cr.fetchall()
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table_res = {x[0]: (x[1], x[2], x[3], x[4], x[5]) for x in res}
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for line in self:
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model_obj = self.env.registry.get(line.model_id.model, False)
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if model_obj:
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table_name = model_obj._table
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else:
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# Try to guess table name, replacing "." by "_"
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table_name = line.model_id.model.replace('.', '_')
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res = table_res.get(table_name, (0, '', 0, 0, 0))
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line.model_row_qty = res[0]
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line.db_type = res[1]
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line.table_size = res[2] / 1024
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line.index_size = res[3] / 1024
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line.db_size = res[4] / 1024
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