106 lines
3.8 KiB
Python
106 lines
3.8 KiB
Python
# -*- encoding: utf-8 -*-
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##############################################################################
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#
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# OpenERP, Open Source Management Solution
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# Copyright (C) 2004-2009 Tiny SPRL (<http://tiny.be>).
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Affero General Public License as
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# published by the Free Software Foundation, either version 3 of the
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# License, or (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU Affero General Public License for more details.
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#
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# You should have received a copy of the GNU Affero General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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#
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##############################################################################
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import openerp
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from openerp import SUPERUSER_ID
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from openerp import tools
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from openerp.osv import orm, fields
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from openerp.modules.registry import RegistryManager
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class decimal_precision(orm.Model):
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_name = 'decimal.precision'
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_columns = {
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'name': fields.char('Usage', size=50, select=True, required=True),
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'digits': fields.integer('Digits', required=True),
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}
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_defaults = {
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'digits': 2,
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}
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_sql_constraints = [
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('name_uniq', 'unique (name)', """Only one value can be defined for each given usage!"""),
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]
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@tools.ormcache(skiparg=3)
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def precision_get(self, cr, uid, application):
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cr.execute('select digits from decimal_precision where name=%s', (application,))
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res = cr.fetchone()
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return res[0] if res else 2
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def clear_cache(self, cr):
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"""clear cache and update models. Notify other workers to restart their registry."""
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self.precision_get.clear_cache(self)
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for obj in self.pool.obj_list():
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for colname, col in self.pool.get(obj)._columns.items():
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if hasattr(col, 'digits_change'):
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col.digits_change(cr)
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RegistryManager.signal_caches_change(cr.dbname)
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def create(self, cr, uid, data, context=None):
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res = super(decimal_precision, self).create(cr, uid, data, context=context)
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self.clear_cache(cr)
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return res
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def unlink(self, cr, uid, ids, context=None):
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res = super(decimal_precision, self).unlink(cr, uid, ids, context=context)
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self.clear_cache(cr)
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return res
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def write(self, cr, uid, ids, data, *args, **argv):
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res = super(decimal_precision, self).write(cr, uid, ids, data, *args, **argv)
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self.clear_cache(cr)
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return res
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def get_precision(application):
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def change_digit(cr):
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decimal_precision = openerp.registry(cr.dbname)['decimal.precision']
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res = decimal_precision.precision_get(cr, SUPERUSER_ID, application)
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return (16, res)
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return change_digit
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class DecimalPrecisionFloat(orm.AbstractModel):
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""" Override qweb.field.float to add a `decimal_precision` domain option
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and use that instead of the column's own value if it is specified
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"""
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_inherit = 'ir.qweb.field.float'
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def precision(self, cr, uid, column, options=None, context=None):
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dp = options and options.get('decimal_precision')
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if dp:
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return self.pool['decimal.precision'].precision_get(
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cr, uid, dp)
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return super(DecimalPrecisionFloat, self).precision(
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cr, uid, column, options=options, context=context)
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class DecimalPrecisionTestModel(orm.Model):
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_name = 'decimal.precision.test'
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_columns = {
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'float': fields.float(),
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'float_2': fields.float(digits=(16, 2)),
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'float_4': fields.float(digits=(16, 4)),
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}
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# vim:expandtab:smartindent:tabstop=4:softtabstop=4:shiftwidth=4:
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