Add barcode_code128 on product.product

This commit is contained in:
Alexis de Lattre
2021-12-19 12:58:22 +01:00
parent 05e649fa86
commit 88615a0774
2 changed files with 48 additions and 16 deletions

View File

@@ -1,21 +1,21 @@
# Copyright 2015-2020 Akretion (http://www.akretion.com)
# Copyright 2015-2021 Akretion (http://www.akretion.com)
# @author Alexis de Lattre <alexis.delattre@akretion.com>
# @author Raphaël Valyi <rvalyi@akretion.com>
# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
from odoo import models, fields
from odoo import api, models, fields
class ProductProduct(models.Model):
_inherit = 'product.product'
default_code = fields.Char(copy=False)
# track_visibility='onchange',
# barcode = fields.Char(track_visibility='onchange',
# weight = fields.Float(track_visibility='onchange')
# active = fields.Boolean(track_visibility='onchange')
default_code = fields.Char(copy=False, tracking=10)
barcode = fields.Char(tracking=20)
weight = fields.Float(tracking=30)
active = fields.Boolean(tracking=40)
barcode_code128 = fields.Char(
compute='_compute_barcode_code128',
help="Barcode in Code128-B with start char, checksum and stop char")
_sql_constraints = [(
# Maybe it could be better to have a constrain per company
@@ -26,3 +26,32 @@ class ProductProduct(models.Model):
'default_code_uniq',
'unique(default_code)',
'This internal reference already exists!')]
@api.model
def _compute_code128_checksum(self, code):
# This is NOT a full implementation of code128 checksum
csum = 104 # Start B
i = 0
for char in code:
i += 1
char_val = ord(char) - 32
csum += char_val * i
remainder = csum % 103
checksum = chr(remainder + 32)
return checksum
@api.depends('barcode')
def _compute_barcode_code128(self):
# We use Code128-B. Useful info on code128:
# https://boowiki.info/art/codes-a-barres/code-128.html
# Use code128.ttf and copy it in /usr/local/share/fonts/
startb = chr(209)
stop = chr(211)
for product in self:
code128 = False
barcode = product.barcode
if barcode and all([32 <= ord(x) <= 127 for x in barcode]):
checksum = self._compute_code128_checksum(barcode)
if checksum:
code128 = startb + barcode + checksum + stop
product.barcode_code128 = code128

View File

@@ -1,4 +1,4 @@
# Copyright 2015-2020 Akretion (http://www.akretion.com)
# Copyright 2015-2021 Akretion (http://www.akretion.com)
# @author Alexis de Lattre <alexis.delattre@akretion.com>
# @author Raphaël Valyi <rvalyi@akretion.com>
# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
@@ -21,9 +21,12 @@ class ProductTemplate(models.Model):
# are only shown in the form view of product.template, not in the form
# view of product.product
name = fields.Char(tracking=10)
categ_id = fields.Many2one(tracking=20)
type = fields.Selection(tracking=30)
list_price = fields.Float(tracking=40)
sale_ok = fields.Boolean(tracking=50)
purchase_ok = fields.Boolean(tracking=60)
active = fields.Boolean(tracking=70)
barcode = fields.Char(tracking=20)
default_code = fields.Char(tracking=30)
categ_id = fields.Many2one(tracking=40)
type = fields.Selection(tracking=50)
list_price = fields.Float(tracking=60)
weight = fields.Float(tracking=70)
sale_ok = fields.Boolean(tracking=80)
purchase_ok = fields.Boolean(tracking=90)
active = fields.Boolean(tracking=100)