fix: Se añade total_tip

__init__.py

@@ -10,7 +10,6 @@ def register():
         invoice.InvoiceLine,
         sale.Sale,
         sale.Line,
-        sale.SaleLineDeletedLog,
         user.User,
         production.Production,
         report_close_statement.ReportCloseStatementStart,

invoice.py

@@ -1,4 +1,6 @@
-from trytond.pool import PoolMeta
+from trytond.pool import Pool, PoolMeta
+from trytond.model import ModelView, fields
+from trytond.exceptions import UserError
 from trytond.pyson  import Eval
 
 
@@ -11,3 +13,4 @@ class InvoiceLine(metaclass=PoolMeta):
 
         cls.product.states['required'] = (Eval('type') == 'line')
         cls.unit_price.domain = []
+

product.py

@@ -1,6 +1,6 @@
-from trytond.pool import PoolMeta
+from trytond.pool import Pool, PoolMeta
 from trytond.model import fields
-from trytond.pyson import Eval
+from trytond.pyson import Eval, Bool
 
 
 class Product(metaclass=PoolMeta):

production.py

@@ -1,21 +1,23 @@
 # This file is part of Tryton.  The COPYRIGHT file at the top level of
 # this repository contains the full copyright notices and license terms.
 from decimal import Decimal
+
 from trytond.pool import Pool, PoolMeta
 from trytond.model import fields
+from trytond.modules.product import price_digits, round_price
+
+from trytond.exceptions import UserError
 
 
 BOM_CHANGES = ['bom', 'product', 'quantity', 'uom', 'warehouse', 'location',
                'company', 'inputs', 'outputs']
 
-
 class Production(metaclass=PoolMeta):
     "Production"
     __name__ = 'production'
 
-    @fields.depends(
-        'bom', 'product', 'uom', 'quantity', 'company', 'inputs', 'outputs',
-        methods=['_explode_move_values'])
+
+    @fields.depends(*BOM_CHANGES)
     def explode_bom(self):
         pool = Pool()
         Uom = pool.get('product.uom')
@@ -27,29 +29,32 @@ class Production(metaclass=PoolMeta):
 
         inputs = []
         for input_ in self.bom.inputs:
-            # if input_.product.producible:
-            #     for input_ in input_.product.template.boms.inputs:
+            if input_.product.producible:
+                for input_ in input_.product.template.boms.inputs:
                     quantity = input_.compute_quantity(factor)
-            move = self._explode_move_values('input', input_, quantity)
+                    move = self._explode_move_values(
+                        self.picking_location, self.location, self.company,
+                        input_, quantity)
                     if move:
                         inputs.append(move)
-                quantity = Uom.compute_qty(
-                    input_.uom, quantity,
+                        quantity = Uom.compute_qty(input_.uom, quantity,
+                                                   input_.product.default_uom, round=False)
+            else:
+                quantity = input_.compute_quantity(factor)
+                move = self._explode_move_values(
+                    self.picking_location, self.location, self.company,
+                    input_, quantity)
+                if move:
+                    inputs.append(move)
+                    quantity = Uom.compute_qty(input_.uom, quantity,
                         input_.product.default_uom, round=False)
-            # else:
-            #     quantity = input_.compute_quantity(factor)
-            #     move = self._explode_move_values('output', input_, quantity)
-            #     if move:
-            #         inputs.append(move)
-            #         quantity = Uom.compute_qty(
-                # input_.uom, quantity,
-            #   input_.product.default_uom, round=False)
         self.inputs = inputs
 
         outputs = []
         for output in self.bom.outputs:
             quantity = output.compute_quantity(factor)
-            move = self._explode_move_values('output', output,
+            move = self._explode_move_values(
+                self.location, self.output_location, self.company, output,
                 quantity)
             if move:
                 move.unit_price = Decimal(0)

report_close_statement.py

@@ -43,11 +43,10 @@ class ReportCloseStatementStart(ModelView):
     @classmethod
     def default_shop(cls):
         context = Transaction().context
-        if context:
         shop = context['shop']
+
         if shop:
             return shop
-        return
 
 
 class PrintReportCloseStatement(Wizard):

sale.py

@@ -2,6 +2,7 @@ from trytond.pool import Pool, PoolMeta
 from trytond.model import ModelView, fields
 from trytond.transaction import Transaction
 from trytond.modules.currency.fields import Monetary
+from trytond.pyson import Eval
 from decimal import Decimal
 
 import requests
@@ -13,13 +14,17 @@ class Sale(metaclass=PoolMeta):
     __name__ = 'sale.sale'
 
     pizza_number = fields.Integer("Number pizza")
-    credito = fields.Boolean("Credito")
     total_discount = fields.Function(
         Monetary(
             "Total Discount", digits='currency', currency='currency'),
         'get_amount')
-    total_discount_cache = fields.Numeric(
-        "Total Discount cache", digits='currency')
+    total_discount_cache = fields.Numeric("Total Discount cache", digits='currency')
+    total_tip = fields.Function(
+            Monetary(
+                "Total Tip", digits='currency', currency='currency'),
+        'get_amount')
+    total_tip_cache = fields.Numeric("Total Tip cache", digits="currency")
+    
 
     @classmethod
     def __setup__(cls):
@@ -42,6 +47,7 @@ class Sale(metaclass=PoolMeta):
         self.tax_amount = Decimal('0.0')
         self.total_amount = Decimal('0.0')
         self.total_discount = Decimal('0.0')
+        self.total_tip = Decimal('0.0')
 
         if self.lines:
             for line in self.lines:
@@ -52,6 +58,7 @@ class Sale(metaclass=PoolMeta):
             self.tax_amount = self.currency.round(self.tax_amount)
         self.total_amount = self.untaxed_amount + self.tax_amount
         if self.currency:
+            self.total_tip = self.currency.round(self.total_tip)
             self.total_discount = self.currency.round(self.total_discount)
             self.total_amount = self.currency.round(self.total_amount)
 
@@ -62,6 +69,7 @@ class Sale(metaclass=PoolMeta):
             sale.tax_amount_cache = sale.tax_amount
             sale.total_amount_cache = sale.total_amount
             sale.total_discount_cache = sale.total_discount
+            sale.total_tip_cache = sale.total_tip
         cls.save(sales)
 
     @classmethod
@@ -70,6 +78,7 @@ class Sale(metaclass=PoolMeta):
         tax_amount = {}
         total_amount = {}
         total_discount = {}
+        total_tip = {}
         if {'tax_amount', 'total_amount'} & set(names):
             compute_taxes = True
         else:
@@ -82,10 +91,10 @@ class Sale(metaclass=PoolMeta):
             if (sale.state in cls._states_cached
                     and sale.untaxed_amount_cache is not None
                     and sale.tax_amount_cache is not None
-                    and sale.total_amount_cache is not None
-                    and sale.total_discount_cache is not None):
+                    and sale.total_amount_cache is not None):
                 untaxed_amount[sale.id] = sale.untaxed_amount_cache
                 total_discount[sale.id] = sale.total_discount_cache
+                total_tip[sale.id] = sale.total_tip_cache
                 if compute_taxes:
                     tax_amount[sale.id] = sale.tax_amount_cache
                     total_amount[sale.id] = sale.total_amount_cache
@@ -94,8 +103,11 @@ class Sale(metaclass=PoolMeta):
                     (line.amount for line in sale.lines
                         if line.type == 'line'), Decimal(0)),2)
                 total_discount[sale.id] = round(sum(
-                    (line.discount_amount for line in sale.lines
-                        if line.type == 'line'), Decimal(0)), 2)
+                    (line.discount_amount * Decimal(line.quantity) for line in sale.lines
+                        if line.discount_amount and line.type == 'line'), Decimal(0)), 2)
+                total_tip[sale.id] = round(sum(
+                    (line.amount for line in sale.lines  if line.product and line.product.tip and line.type == 'line'),
+                    Decimal(0)), 2)
                 if compute_taxes:
                     tax_amount[sale.id] = sale.get_tax_amount()
                     total_amount[sale.id] = (
@@ -106,6 +118,7 @@ class Sale(metaclass=PoolMeta):
             'tax_amount': tax_amount,
             'total_amount': total_amount,
             'total_discount': total_discount,
+            'total_tip' : total_tip
             }
         for key in list(result.keys()):
             if key not in names:
@@ -128,6 +141,10 @@ class Sale(metaclass=PoolMeta):
 
     @classmethod
     def get_invoice(cls, record):
+        pool = Pool()
+        ctx = Transaction().context
+        Shop = pool.get('sale.shop')
+        shop = Shop.search([('id', '=', ctx["shop"])])[0]
         if record.state != 'draft' and record.invoices:
             invoice = record.invoices[0]
             data = {}
@@ -163,18 +180,17 @@ class Sale(metaclass=PoolMeta):
             "product": line.product.name if line.type != 'title' else None,
             "quantity": line.quantity if line.type != 'title' else None,
             "uom": line.unit.symbol if line.type != 'title' else None,
-            "unit_price": str(line.amount_w_tax)
-            if line.type != 'title' else None,
+            "unit_price": str(line.amount_w_tax) if line.type != 'title' else None,
             "taxes": str(round(line.taxes[0].rate * 100, 2))+'%'
             if line.type != 'title' and line.taxes else None
-        } for line in record.lines]
+                          } for line in record.lines if line.type == 'line' and not line.product.tip]
 
         data["total_discount"] = str(round(record.total_discount,2))
         data["untaxed_amount"] = str(record.untaxed_amount)
+        data["total_tip"] = str(record.total_tip)
         data["tax_amount"] = str(record.tax_amount)
         data["total"] = str(record.total_amount)
-        data["state"] = \
-            "SUBTOTAL" if record.state == "draft" else "CUENTA FINAL"
+        data["state"] = "SUBTOTAL" if record.state == "draft" else "CUENTA FINAL"
 
         if record.payments:
             data['payments'] = [{
@@ -196,6 +212,13 @@ class Sale(metaclass=PoolMeta):
         data["city"] = report.invoice_address.subdivision_municipality.name
         data["zone"] = report.zone.name if report.zone else ""
         data["table"] = report.table.name if report.table else ""
+        # data["lines"] = [{
+        #    'type': line.type,
+        #    "product": line.product.name if line.type != 'title' else None,
+        #    "quantity": line.quantity if line.type != 'title' else None,
+        #    "uom": line.unit.name if line.type != 'title' else None}
+        #                 for line in report.lines]
+
         data["lines"] = [{
             'type': line.type,
             "product": line.product.name if line.type != 'title' else None,
@@ -203,17 +226,6 @@ class Sale(metaclass=PoolMeta):
             "quantity": line.quantity if line.type != 'title' else None,
             "uom": line.unit.name if line.type != 'title' else None}
                          for line in report.lines if not line.impreso]
-        data["deleted_lines"] = [{
-<<<<<<< HEAD
-                "product": line.product.name,
-                "quantity": str(-1 * line.quantity),
-                "unit": line.unit.symbol,
-             } for line in report.delete_lines if not line.printed]
-=======
-            "product": line.product.name if line.type != 'title' else None,
-            "quantity": line.quantity if line.type != 'title' else None,
-        } for line in report.delete_lines if not line.impreso]
->>>>>>> 77d626374f847b8e54b81cc06f76b545e4014b29
 
         return data
 
@@ -236,14 +248,6 @@ class Sale(metaclass=PoolMeta):
             line.analytic_accounts = tuple()
             line.impreso = True
             line.save()
-
-        for line in record.delete_lines:
-<<<<<<< HEAD
-            line.printed = True
-=======
-            line.impreso = True
->>>>>>> 77d626374f847b8e54b81cc06f76b545e4014b29
-            line.save()
         record.save()
 
     @classmethod
@@ -267,28 +271,13 @@ class Sale(metaclass=PoolMeta):
             user_name = context['employee.rec_name']
         else:
             user_name = ""
-
-        content = {
-            "content": str(json.dumps(bill)),
-            "printer_type": "",
-            "ip_printer": "",
-            "user_name": user_name,
-            "idVendor": "",
-            "idProduct": ""}
-
-        if printer.type_ == 'network':
-            content["printer_type"] = "Network"
-            content["ip_printer"] = str(printer.ip_address),
-        else:
-            if printer.type_ == 'usb':
-                content["printer_type"] = "USB"
-                content["idVendor"] = str(printer.idVendor)
-                content["idProduct"] = str(printer.idProduct)
-
+        content = {"content": str(json.dumps(bill)),
+                   "ip_printer": str(printer.ip_address),
+                   "user_name": user_name}
         headers = {"accept": 'application/json',
                    'Content-Type': 'application/json'}
-        requests.post(
-            url, data=json.dumps(content), headers=headers, timeout=5)
+
+        response = requests.post(url, data=json.dumps(content), headers=headers)
 
     @classmethod
     @ModelView.button
@@ -311,30 +300,14 @@ class Sale(metaclass=PoolMeta):
             user_name = context['employee.rec_name']
         else:
             user_name = ""
-
         content = {"content": str(json.dumps(customer_order)),
-                   "printer_type": "",
-                   "ip_printer": "",
-                   "user_name": user_name,
-                   "idVendor": "",
-                   "idProduct": ""}
-
-        if printer.type_ == 'network':
-            content["printer_type"] = "Network"
-            content["ip_printer"] = str(printer.ip_address),
-        else:
-            if printer.type_ == 'usb':
-                content["printer_type"] = "USB"
-                content["idVendor"] = str(printer.idVendor)
-                content["idProduct"] = str(printer.idProduct)
-
+                   "ip_printer": str(printer.ip_address),
+                   "user_name": user_name}
         headers = {"accept": 'application/json',
                    'Content-Type': 'application/json'}
         cls.impreso([record])
-
-        requests.post(
-            url, data=json.dumps(content),
-            headers=headers, timeout=5)
+        response = requests.post(url, data=json.dumps(content),
+                                 headers=headers)
 
     @classmethod
     @ModelView.button
@@ -354,33 +327,16 @@ class Sale(metaclass=PoolMeta):
         url = f"http://{printer.api.ip_address}/order_bar"
         customer_order = cls.report_customer_order(records)
         cls.impreso([record])
-
         if 'employee.rec_name' in context.keys():
             user_name = context['employee.rec_name']
         else:
             user_name = ""
-
-        content = {
-            "content": str(json.dumps(customer_order)),
-            "printer_type": "",
-            "ip_printer": "",
-            "user_name": user_name,
-            "idVendor": "",
-            "idProduct": ""}
-
-        if printer.type_ == 'network':
-            content["printer_type"] = "Network"
-            content["ip_printer"] = str(printer.ip_address),
-        else:
-            if printer.type_ == 'usb':
-                content["printer_type"] = "USB"
-                content["idVendor"] = str(printer.idVendor)
-                content["idProduct"] = str(printer.idProduct)
-
-        headers = {
-            "accept": 'application/json',
+        content = {"content": str(json.dumps(customer_order)),
+                   "ip_printer": str(printer.ip_address),
+                   "user_name": user_name}
+        headers = {"accept": 'application/json',
                    'Content-Type': 'application/json'}
-        requests.post(url, data=json.dumps(content),
+        response = requests.post(url, data=json.dumps(content),
                                  headers=headers)
 
 
@@ -391,18 +347,21 @@ class Line(metaclass=PoolMeta):
     pizza = fields.Integer("Pizza")
     impreso = fields.Boolean("Impreso")
     bought_pizza = fields.Boolean("Sold pizza")
+    rate = fields.Numeric(
+            "Rate", digits=(16, 4),
+            states={
+                'invisible': Eval('type') != 'line',
+                'readonly': Eval('sale_state') != 'draft',
+                },
+            depends=['type', 'sale_state'])
 
     @classmethod
-    def delete(cls, lines):
-        for line in lines:
-            if line.impreso:
-                cls._create_sale_line_deleted_log(line)
-        super(Line, cls).delete(lines)
+    def default_rate(cls):
+        return 0
 
     @fields.depends('product', 'unit', 'sale',
                     '_parent_sale.party', '_parent_sale.invoice_party',
                     '_parent_sale.pizza_number',
-                    '_parent_product.pizza',
                     methods=['compute_taxes', 'compute_unit_price',
                              'on_change_with_amount'])
     def on_change_product(self):
@@ -413,15 +372,13 @@ class Line(metaclass=PoolMeta):
         else:
             self.bought_pizza = False
 
-    def get_production(self, product_quantities):
+    def get_production(self):
         "Return production for the sale line"
-        Production = super(Line, self).get_production(product_quantities)
+        Production = super(Line, self).get_production()
 
         return Production
 
-
-class SaleLineDeletedLog(metaclass=PoolMeta):
-    """Sale Line Deleted Log"""
-    __name__ = 'sale.line_deleted'
-
-    printed = fields.Boolean("Printed")
+    @fields.depends('discount_rate')
+    def on_change_discount_rate(self):
+        if self.discount_rate:
+            self.rate = self.discount_rate

sale.xml

@@ -2,7 +2,6 @@
 <!--This file 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>
     <record model="ir.ui.view" id="sale_view_tree">
         <field name="model">sale.sale</field>
 	<field name="inherit" ref="sale.sale_view_tree"/>
@@ -54,5 +53,4 @@
         <field name="model">sale.sale,-1</field>
         <field name="action" ref="report_customer_order"/>
     </record>
-    </data>
 </tryton>

setup.py

@@ -127,7 +127,7 @@ setup(name=name,
         ],
     license='GPL-3',
     python_requires='>=3.7',
-    # install_requires=requires,
+    install_requires=requires,
     extras_require={
         'test': tests_require,
         },

tests/scenario_sale_fast_food.rst

@@ -1,209 +0,0 @@
-=============================
-Sale Line Delete Log Scenario
-=============================
-
-Imports::
-  >>> from decimal import Decimal
-  >>> from proteus import Model, Wizard
-  >>> from trytond.tests.tools import activate_modules
-  >>> from trytond.modules.company.tests.tools import create_company, get_company
-  >>> from trytond.modules.account.tests.tools import (
-  ...     create_chart, create_fiscalyear, create_tax, get_accounts)
-  >>> from trytond.modules.account_invoice.tests.tools import (
-  ...     create_payment_term, set_fiscalyear_invoice_sequences)
-  >>> import datetime as dt
-  >>> today = dt.date.today()
-  >>> from trytond.tests.tools import set_user
-  >>> from trytond.modules.sale_shop.tests.tools import create_shop
-  >>> from trytond.modules.sale_line_delete_log.sale import SaleLineDeleted
-
-Activate modules::
-
-  >>> config = activate_modules('sale_fast_food')
-
-Initial data::
-
-  >>> User = Model.get('res.user')
-  >>> Party = Model.get('party.party')
-  >>> Employee = Model.get('company.employee')
-  >>> Journal = Model.get('account.journal')
-  >>> PaymentMethod = Model.get('account.invoice.payment.method')
-  >>> Party = Model.get('party.party')
-  >>> ProductUom = Model.get('product.uom')
-  >>> ProductTemplate = Model.get('product.template')
-  >>> Sale = Model.get('sale.sale')
-  >>> SaleLine = Model.get('sale.line')
-
-Create company::
-
-  >>> _ = create_company()
-  >>> company = get_company()
-
-Set employee::
-
-  >>> employee_party = Party(name="Employee")
-  >>> employee_party.save()
-  >>> employee = Employee(party=employee_party)
-  >>> employee.save()
-  >>> user = User(config.user)
-  >>> user.employees.append(employee)
-  >>> user.employee = employee
-  >>> user.save()
-  >>> set_user(user.id)
-
-Create fiscal year::
-
-  >>> fiscalyear = set_fiscalyear_invoice_sequences(create_fiscalyear(company, today))
-  >>> fiscalyear.click('create_period')
-
-Create chart of accounts::
-
-  >>> _ = create_chart(company)
-  >>> accounts = get_accounts(company)
-  >>> revenue = accounts['revenue']
-  >>> expense = accounts['expense']
-  >>> cash = accounts['cash']
-
-  >>> cash_journal, = Journal.find([('type', '=', 'cash')])
-  >>> cash_journal.save()
-  >>> payment_method = PaymentMethod()
-  >>> payment_method.name = 'Cash'
-  >>> payment_method.journal = cash_journal
-  >>> payment_method.credit_account = cash
-  >>> payment_method.debit_account = cash
-  >>> payment_method.save()
-
-Create tax::
-
-  >>> tax = create_tax(Decimal('.10'))
-  >>> tax.save()
-
-Create parties::
-
-  >>> supplier = Party(name='Supplier')
-  >>> supplier.save()
-  >>> customer = Party(name='Customer')
-  >>> customer.save()
-
-Create account categories::
-
-  >>> ProductCategory = Model.get('product.category')
-  >>> account_category = ProductCategory(name="Account Category")
-  >>> account_category.accounting = True
-  >>> account_category.account_expense = expense
-  >>> account_category.account_revenue = revenue
-  >>> account_category.save()
-
-  >>> account_category_tax, = account_category.duplicate()
-  >>> account_category_tax.customer_taxes.append(tax)
-  >>> account_category_tax.save()
-
-Create product::
-
-  >>> unit, = ProductUom.find([('name', '=', 'Unit')])
-
-  >>> template = ProductTemplate()
-  >>> template.name = 'product'
-  >>> template.default_uom = unit
-  >>> template.type = 'goods'
-  >>> template.salable = True
-  >>> template.list_price = Decimal('10')
-  >>> template.account_category = account_category_tax
-  >>> template.save()
-  >>> product, = template.products
-
-  >>> template = ProductTemplate()
-  >>> template.name = 'service'
-  >>> template.default_uom = unit
-  >>> template.type = 'service'
-  >>> template.salable = True
-  >>> template.list_price = Decimal('30')
-  >>> template.account_category = account_category
-  >>> template.save()
-  >>> service, = template.products
-
-Create payment term::
-
-  >>> payment_term = create_payment_term()
-  >>> payment_term.save()
-
-Create product price list::
-
-    >>> ProductPriceList = Model.get('product.price_list')
-    >>> product_price_list = ProductPriceList()
-    >>> product_price_list.name = 'Price List'
-    >>> product_price_list.company = company
-    >>> product_price_list.save()
-
-Create an Inventory::
-
-  >>> Inventory = Model.get('stock.inventory')
-  >>> Location = Model.get('stock.location')
-  >>> storage, = Location.find([
-  ...         ('code', '=', 'STO'),
-  ...         ])
-  >>> inventory = Inventory()
-  >>> inventory.location = storage
-  >>> inventory_line = inventory.lines.new(product=product)
-  >>> inventory_line.quantity = 100.0
-  >>> inventory_line.expected_quantity = 0.0
-  >>> inventory.click('confirm')
-  >>> inventory.state
-  'done'
-
-Create Sale Shop::
-
-  >>> shop = create_shop(payment_term, product_price_list)
-  >>> shop.save()
-
-Save Sale Shop User::
-
-  >>> User = Model.get('res.user')
-  >>> user, = User.find([])
-  >>> user.shops.append(shop)
-  >>> user.shop = shop
-  >>> user.save()
-  >>> set_user(user)
-
-Sale 5 products::
-
-  >>> sale = Sale()
-  >>> sale.party = customer
-  >>> sale.payment_term = payment_term
-  >>> sale.invoice_method = 'order'
-  >>> sale_line = SaleLine()
-  >>> sale.lines.append(sale_line)
-  >>> sale_line.product = product
-  >>> sale_line.quantity = 2.0
-  >>> sale_line.impreso = True
-  >>> sale_line = SaleLine()
-  >>> sale.lines.append(sale_line)
-  >>> sale_line.type = 'comment'
-  >>> sale_line.description = 'Comment'
-  >>> sale_line = SaleLine()
-  >>> sale.lines.append(sale_line)
-  >>> sale_line.product = product
-  >>> sale_line.quantity = 3.0
-  >>> sale.save()
-  >>> len(sale.lines)
-  3
-  >>> sale.untaxed_amount, sale.tax_amount, sale.total_amount
-  (Decimal('50.00'), Decimal('5.00'), Decimal('55.00'))
-
-
-Create a sale line delete log it's was printed::
-
-  >>> sale.reload()
-  >>> sale.lines[0].delete()
-  >>> sale.lines[1].delete()
-  >>> sale.save()
-  >>> len(sale.lines)
-  1
-
-  >>> sale.reload()
-  >>> len(sale.delete_lines)
-  1
-
-  >>> sale.delete_lines[0]
-  proteus.Model.get('sale.line_deleted')(1)
-  >>> assert isinstance(sale.delete_lines[0], Model.get('sale.line_deleted')), "it's not instance    SaleLineDeleted"

tests/test_scenario.py

@@ -1,8 +0,0 @@
-# This file is part of Tryton.  The COPYRIGHT file at the top level of
-# this repository contains the full copyright notices and license terms.
-
-from trytond.tests.test_tryton import load_doc_tests
-
-
-def load_tests(*args, **kwargs):
-    return load_doc_tests(__name__, __file__, *args, **kwargs)

tryton.cfg

@@ -1,18 +1,15 @@
 [tryton]
-version=6.8.0
+version=6.4
 depends:
     ir
     res
     product
     sale
-    sale_discount
     sale_supply_production
-    sale_line_delete_log
-    sale_printer
+    #sale_printer
     production
     account_invoice
     sale_shop
-    sale_pos_table
 xml:
     product.xml
     sale.xml

user.py

@@ -1,6 +1,5 @@
 from trytond.model import fields
-from trytond.pool import PoolMeta
-
+from trytond.pool import Pool, PoolMeta
 
 class User(metaclass=PoolMeta):
     "User"

view/sale_form.xml

@@ -12,11 +12,11 @@ this repository contains the full copyright notices and license terms. -->
 	</group>
 	<newline/>
     </xpath>
-    <xpath expr="/form/notebook/page[@id='sale']/group[@id='amount']/field[@name='tax_amount']"
-	   position="after">
+    <xpath expr="/form/notebook/page[@id='sale']/group[@id='amount']/field[@name='tax_amount']" position="after">
 		<label name="total_discount"/>
 		<field name="total_discount"/>
-	<label name="credito"/>
-	<field name="credito"/>
+		<label name="total_tip"/>
+		<field name="total_tip"/>
+
     </xpath>
 </data>

view/sale_line_form.xml

@@ -10,4 +10,8 @@
 	<label name="bought_pizza"/>
 	<field name="bought_pizza"/>
     </xpath>
+    <xpath expr="//field[@name='discount_rate']" position="after">
+	<label name="discount_rate"/>
+	<field name="discount_rate"  factor="100"/>
+    </xpath>
 </data>