Migrate to 5.3

message.xml

@@ -0,0 +1,10 @@
+<?xml version="1.0" ?>
+<!-- This file is part of Tryton.  The COPYRIGHT file at the top level of
+this repository contains the full copyright notices and license terms. -->
+<tryton>
+    <data grouped="1">
+      <record model="ir.message" id="product_exist">
+          <field name="text">Product %(name)s (%(code)s) already exist.</field>
+      </record>
+    </data>
+</tryton>

product_oneclick.py

@@ -7,6 +7,8 @@ from trytond.pyson import Eval, Not, Bool, PYSONEncoder
 from trytond.wizard import Wizard, StateView, StateAction, StateTransition, \
     Button
 from trytond.config import config as config_
+from trytond.i18n import gettext
+from trytond.exceptions import UserError
 
 __all__ = ['ProductOneClickView', 'ProductOneClick']
 
@@ -120,14 +122,6 @@ class ProductOneClick(Wizard):
     create_ = StateTransition()
     open_ = StateAction('product.act_product_form')
 
-    @classmethod
-    def __setup__(cls):
-        super(ProductOneClick, cls).__setup__()
-        cls._error_messages.update({
-                'warning': 'Warning',
-                'product_exist': 'Product %s (%s) already exist.',
-                })
-
     @classmethod
     def get_template_values(self, vals):
         values = {
@@ -168,15 +162,17 @@ class ProductOneClick(Wizard):
         name = self.view.name
         code = self.view.code
 
-        products = None
-        if name:
-            products = Template.search([('name', '=', name)])
-        if code:
-            products = Product.search([('code', '=', code)])
-        if products:
-            self.raise_user_error(error="warning",
-                error_description="product_exist",
-                error_description_args=(name, code))
+        product = None
+        if name and not code:
+            product, = (Template.search([('name', '=', name)], limit=1)
+                or [None])
+        else:
+            product, = Product.search([('code', '=', code)], limit=1) or [None]
+        if product:
+            raise UserError(gettext('product_exist',
+                    name=product.rec_name,
+                    code=product.code,
+                    ))
 
         vals = self.view
         tpl_values = self.get_template_values(vals)

tox.ini

@@ -1,18 +1,15 @@
 [tox]
-envlist = {py27,py34,py35,py36}-{sqlite,postgresql,mysql},pypy-{sqlite,postgresql}
+envlist = {py35,py36,py37}-{sqlite,postgresql},pypy3-{sqlite,postgresql}
 
 [testenv]
 commands = {envpython} setup.py test
 deps =
-    {py27,py34,py35,py36}-postgresql: psycopg2 >= 2.5
-    pypy-postgresql: psycopg2cffi >= 2.5
-    mysql: MySQL-python
-    sqlite: sqlitebck
+    {py35,py36,py37}-postgresql: psycopg2 >= 2.5
+    pypy3-postgresql: psycopg2cffi >= 2.5
+    {py35,py36}-sqlite: sqlitebck
 setenv =
     sqlite: TRYTOND_DATABASE_URI={env:SQLITE_URI:sqlite://}
     postgresql: TRYTOND_DATABASE_URI={env:POSTGRESQL_URI:postgresql://}
-    mysql: TRYTOND_DATABASE_URI={env:MYSQL_URI:mysql://}
     sqlite: DB_NAME={env:SQLITE_NAME::memory:}
     postgresql: DB_NAME={env:POSTGRESQL_NAME:test}
-    mysql: DB_NAME={env:MYSQL_NAME:test}
-install_command = pip install --pre --find-links https://trydevpi.tryton.org/ --process-dependency-links {opts} {packages}
+install_command = pip install --pre --find-links https://trydevpi.tryton.org/ {opts} {packages}

tryton.cfg

@@ -1,5 +1,5 @@
 [tryton]
-version=5.1.0
+version=5.3.0
 depends:
     ir
     res
@@ -8,3 +8,4 @@ depends:
     account_product
 xml:
     product_oneclick.xml
+    message.xml