product_print_zpl_barcode: remove dependency on base_report_to_printer

We now print directly on the ZPL printer, without going through CUPS

product_print_zpl_barcode/__manifest__.py

@@ -39,12 +39,12 @@ This module has been written by Alexis de Lattre from Akretion
     'depends': [
         'point_of_sale',
         'barcodes',
-        'base_report_to_printer',
         ],
     'external_dependencies': {'python': ['python-barcode>=0.14.0']},
     'data': [
         'security/ir.model.access.csv',
         'wizard/product_print_zpl_barcode_view.xml',
+        'wizard/res_config_settings_view.xml',
         'views/product.xml',
         'views/stock_picking.xml',
         'data/barcode_sequence.xml',

product_print_zpl_barcode/wizard/__init__.py

@@ -1 +1,2 @@
 from . import product_print_zpl_barcode
+from . import res_config_settings

product_print_zpl_barcode/wizard/product_print_zpl_barcode.py

@@ -8,6 +8,8 @@ from odoo.tools import float_compare, float_is_zero
 from stdnum.ean import is_valid, calc_check_digit
 import base64
 import re
+import socket
+import ipaddress
 
 import logging
 logger = logging.getLogger(__name__)
@@ -36,7 +38,8 @@ class ProductPrintZplBarcode(models.TransientModel):
             raise UserError(_(
                 "There are no pricelist in company '%s'.") % company.name)
 
-        printer = self.env['printing.printer'].get_default()
+        printer_ip = self.env['ir.config_parameter'].sudo().get_param(
+            'product_print_zpl_barcode.printer_ip')
 
         line_ids = []
         if self._context.get('active_model') == 'product.product':
@@ -71,7 +74,7 @@ class ProductPrintZplBarcode(models.TransientModel):
             'company_id': company.id,
             'nomenclature_id': nomenclature.id,
             'pricelist_id': pricelist.id,
-            'zpl_printer_id': printer and printer.id or False,
+            'zpl_printer_ip': printer_ip,
             'line_ids': line_ids,
         })
         return res
@@ -108,8 +111,7 @@ class ProductPrintZplBarcode(models.TransientModel):
         ], default='step1', readonly=True)
     zpl_file = fields.Binary(string='ZPL File', readonly=True)
     zpl_filename = fields.Char('ZPL Filename')
-    zpl_printer_id = fields.Many2one(
-        'printing.printer', string='ZPL Printer')
+    zpl_printer_ip = fields.Char(string='ZPL Printer IP Address')
     line_ids = fields.One2many(
         'product.print.zpl.barcode.line', 'parent_id',
         string='Lines', states={'step2': [('readonly', True)]})
@@ -168,11 +170,27 @@ class ProductPrintZplBarcode(models.TransientModel):
         return action
 
     def print_zpl(self):
-        if not self.zpl_printer_id:
+        if not self.zpl_printer_ip:
             raise UserError(_(
-                "You must select a ZPL Printer."))
-        self.zpl_printer_id.print_document(
-            self.zpl_filename, base64.decodebytes(self.zpl_file), format='raw')
+                "You must configure the IP address of the ZPL Printer."))
+        try:
+            ip = ipaddress.ip_address(self.zpl_printer_ip)
+        except Exception as e:
+            raise UserError(str(e))
+        version = ip.version
+        # TODO works with DNS ?
+        if version == 6:  # IPv6
+            socket_inet = socket.AF_INET6
+        else:  # IPv4
+            socket_inet = socket.AF_INET
+        with socket.socket(socket_inet, socket.SOCK_STREAM) as s:
+            try:
+                s.connect((str(ip), 9100))
+            except Exception as e:
+                raise UserError(str(e))
+            zpl_file_bytes = base64.decodebytes(self.zpl_file)
+            s.send(zpl_file_bytes)
+            s.close()
 
 
 class ProductPrintZplBarcodeLine(models.TransientModel):

product_print_zpl_barcode/wizard/product_print_zpl_barcode_view.xml

@@ -23,7 +23,7 @@
             <group name="step2" states="step2">
                 <field name="zpl_file" filename="zpl_filename" />
                 <field name="zpl_filename" invisible="1"/>
-                <field name="zpl_printer_id" attrs="{'required': [('state', '=', 'step2')]}"/>
+                <field name="zpl_printer_ip" attrs="{'required': [('state', '=', 'step2')]}"/>
             </group>
             <group name="lines">
                 <field name="line_ids" colspan="2" nolabel="1">

product_print_zpl_barcode/wizard/res_config_settings.py

@@ -0,0 +1,24 @@
+# Copyright 2023 Akretion France (http://www.akretion.com/)
+# @author: Alexis de Lattre <alexis.delattre@akretion.com>
+# License AGPL-3.0 or later (https://www.gnu.org/licenses/agpl).
+
+from odoo import api, fields, models
+from odoo.exceptions import ValidationError
+import ipaddress
+
+
+class ResConfigSettings(models.TransientModel):
+    _inherit = "res.config.settings"
+
+    zpl_printer_ip = fields.Char(
+        config_parameter="product_print_zpl_barcode.printer_ip",
+        string="ZPL Printer IP Address")
+
+    @api.constrains('zpl_printer_ip')
+    def _check_zpl_printer_ip(self):
+        for wiz in self:
+            if wiz.zpl_printer_ip:
+                try:
+                    ipaddress.ip_address(wiz.zpl_printer_ip)
+                except Exception as e:
+                    raise ValidationError(str(e))

product_print_zpl_barcode/wizard/res_config_settings_view.xml

@@ -0,0 +1,30 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  Copyright 2024 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).
+-->
+
+<odoo>
+
+<record id="res_config_settings_view_form" model="ir.ui.view">
+    <field name="model">res.config.settings</field>
+    <field name="inherit_id" ref="base_setup.res_config_settings_view_form" />
+    <field name="arch" type="xml">
+        <xpath expr="//div[@id='companies']" position='after'>
+            <h2>Barcode printing</h2>
+            <div class="row mt16 o_settings_container" name="zpl_printer">
+                <div class="col-xs-12 col-md-6 o_setting_box">
+                    <div class="o_setting_right_pane" id="zpl_printer_ip">
+                        <div class="row">
+                            <label for="zpl_printer_ip" class="col-md-5" />
+                            <field name="zpl_printer_ip" />
+                        </div>
+                    </div>
+                </div>
+            </div>
+        </xpath>
+    </field>
+</record>
+
+</odoo>

sale_order_route/__manifest__.py

@@ -16,7 +16,7 @@ This module has been written by Alexis de Lattre from Akretion
     """,
     'author': 'Akretion',
     'website': 'http://www.akretion.com',
-    'depends': ['sale_stock'],
+    'depends': ['sale_stock', 'base_view_inheritance_extension'],
     'data': ['views/sale_order.xml'],
     'installable': True,
 }

sale_order_route/views/sale_order.xml

@@ -15,6 +15,11 @@
         <field name="partner_shipping_id" position="after">
             <field name="route_id" options="{'no_create_edit': True}"/>
         </field>
+        <!-- propagate route_id to lines: it's important when you add an order line AFTER
+        order confirmation -->
+        <field name="order_line" position="attributes">
+            <attribute name="context" operation="python_dict" key="default_route_id">route_id</attribute>
+        </field>
     </field>
 </record>