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product_print_zpl_barcode: Add support for barcode generation

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Add support for EAN-8 (in additional to EAN-13)
This commit is contained in:
Alexis de Lattre
2021-01-22 15:00:14 +01:00
parent 20af679569
commit 5496aa38f8
7 changed files with 140 additions and 14 deletions
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25
product_print_zpl_barcode/wizard/product_print_zpl_barcode.py
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@@ -5,6 +5,7 @@
from odoo import api, fields, models, _
from odoo.exceptions import UserError
from odoo.tools import float_compare, float_is_zero
from stdnum.ean import is_valid
import base64
import re
@@ -172,7 +173,8 @@ class ProductPrintZplBarcode(models.TransientModel):
# print "barcode FINAL=", barcode
zpl_unicode = self._price_weight_barcode_type_zpl() % {
'product_name': self.product_name,
'ean13_no_checksum': barcode[:12],
'ean_zpl_command': len(self.barcode) == 8 and 'B8' or 'BE',
'ean_no_checksum': barcode[:-1],
'price_uom': self.price_uom,
'price': self.price,
'currency_symbol': self.currency_id.symbol,
@@ -189,7 +191,7 @@ class ProductPrintZplBarcode(models.TransientModel):
@api.model
def _price_weight_barcode_type_zpl(self):
label = u"""
label = """
^XA
^CI28
^PW304
@@ -201,7 +203,7 @@ class ProductPrintZplBarcode(models.TransientModel):
^FO15,30^FB270,3,0,C^FD%(product_name)s^FS
^CF0,25
^FO15,75^FB270,1,0,C^FD%(quantity).3f %(uom_name)s %(price_uom).2f %(currency_symbol)s/%(uom_name)s^FS
^FO60,110^BEN,50^FD%(ean13_no_checksum)s^FS
^FO60,110^%(ean_zpl_command)sN,50^FD%(ean_no_checksum)s^FS
^PQ%(copies)s
^XZ
"""
@@ -209,7 +211,7 @@ class ProductPrintZplBarcode(models.TransientModel):
@api.model
def _product_barcode_type_zpl(self):
label = u"""
label = """
^XA
^CI28
^PW304
@@ -219,7 +221,7 @@ class ProductPrintZplBarcode(models.TransientModel):
^FO15,0^FB270,1,0,C^FD%(price_uom).2f %(currency_symbol)s^FS
^CF0,20
^FO15,30^FB270,3,0,C^FD%(product_name)s^FS
^FO60,100^BEN,60^FD%(ean13_no_checksum)s^FS
^FO60,100^%(ean_zpl_command)sN,60^FD%(ean_no_checksum)s^FS
^PQ%(copies)s
^XZ
"""
@@ -228,7 +230,8 @@ class ProductPrintZplBarcode(models.TransientModel):
def _prepare_product_barcode_type(self):
zpl_unicode = self._product_barcode_type_zpl() % {
'product_name': self.product_name,
'ean13_no_checksum': self.barcode[:12],
'ean_zpl_command': len(self.barcode) == 8 and 'B8' or 'BE',
'ean_no_checksum': self.barcode[:-1],
'price_uom': self.price_uom,
'currency_symbol': self.currency_id.symbol, # symbol is a required field
'copies': self.copies,
@@ -242,12 +245,16 @@ class ProductPrintZplBarcode(models.TransientModel):
def generate(self):
assert self.barcode
if len(self.barcode) != 13:
if len(self.barcode) not in (8, 13):
raise UserError(_(
"This wizard only supports EAN13 for the moment. Barcode '%s' "
"has %d digits instead of 13") % (
"This wizard only supports EAN8 and EAN13 for the moment. "
"Barcode '%s' has %d digits.") % (
self.barcode,
len(self.barcode)))
if not is_valid(self.barcode):
raise UserError(_(
"The barcode '%s' is not a valid EAN barcode "
"(wrong checksum).") % self.barcode)
if not self.copies:
raise UserError(_("The number of copies cannot be 0"))
if self.barcode_type in ('price', 'weight'):