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[MIG] product_print_zpl_barcode to v16

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Alexis de Lattre
2023-03-01 23:19:50 +01:00
parent 02970847f4
commit 21f5b53f8b
5 changed files with 84 additions and 33 deletions
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57
product_print_zpl_barcode/models/product.py
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@@ -1,11 +1,14 @@
# -*- coding: utf-8 -*-
# Copyright 2020 Akretion France (http://www.akretion.com/)
# Copyright 2020-2023 Akretion France (http://www.akretion.com/)
# @author: Alexis de Lattre <alexis.delattre@akretion.com>
# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
from odoo import api, fields, models, _
from odoo.exceptions import UserError
from stdnum.ean import calc_check_digit
from stdnum.ean import calc_check_digit, is_valid
from barcode import EAN13, EAN8
from barcode.writer import ImageWriter, SVGWriter
import base64
import io
class ProductTemplate(models.Model):
@@ -34,8 +37,8 @@ class ProductTemplate(models.Model):
"print_zpl_barcode_from_product_template on product '%s' "
"because it has %d variants and not just one.")
% (self.display_name, self.product_variant_count))
action = self.env.ref(
'product_print_zpl_barcode.product_print_zpl_barcode_action').sudo().read()[0]
action = self.env["ir.actions.actions"]._for_xml_id(
'product_print_zpl_barcode.product_print_zpl_barcode_action')
action['context'] = {
'active_id': self.product_variant_ids[0].id,
'active_model': 'product.product',
@@ -46,6 +49,50 @@ class ProductTemplate(models.Model):
class ProductProduct(models.Model):
_inherit = 'product.product'
# Not useful for ZPL, but it is often useful to have a barcode image field
barcode_image_png = fields.Binary(
compute='_compute_barcode_image_png',
string='PNG Barcode Image')
barcode_image_svg = fields.Binary(
compute='_compute_barcode_image_svg',
string='SVG Barcode Image')
def _get_barcode_image(self, img_format):
self.ensure_one()
barcode = self.barcode
if not barcode:
return False
res = False
if isinstance(barcode, str) and len(barcode) in (8, 13) and is_valid(barcode):
barcode_obj = False
if img_format == 'svg':
writer = SVGWriter()
elif img_format == 'png':
writer = ImageWriter()
else:
return False
if len(barcode) == 13:
barcode_obj = EAN13(barcode, writer=writer, guardbar=True)
elif len(barcode) == 8:
barcode_obj = EAN8(barcode, writer=writer, guardbar=True)
if barcode_obj:
barcode_file = io.BytesIO()
barcode_obj.write(barcode_file)
barcode_file.seek(0)
barcode_img = barcode_file.read()
res = base64.b64encode(barcode_img)
return res
@api.depends('barcode')
def _compute_barcode_image_svg(self):
for product in self:
product.barcode_image_svg = product._get_barcode_image('svg')
@api.depends('barcode')
def _compute_barcode_image_png(self):
for product in self:
product.barcode_image_png = product._get_barcode_image('png')
def generate_barcode_from_product_product(self):
self.ensure_one()
if self.barcode: