se inicia modelo de facturacion usando nuevo esquema

FossilOrigin-Name: 8e6c23e7baa837c64b81baaed342b07eaab7ab631302cd2a8fa86f4989227d07

facho/fe/model/__init__.py

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+import facho.model as model
+import facho.model.fields as fields
+from datetime import date, datetime
+
+class Date(model.Model):
+    __name__ = 'Date'
+
+    def __default_set__(self, value):
+        if isinstance(value, str):
+            return value
+        if isinstance(value, date):
+            return value.isoformat()
+
+class Time(model.Model):
+    __name__ = 'Time'
+
+    def __default_set__(self, value):
+        if isinstance(value, str):
+            return value
+        if isinstance(value, date):
+            return value.strftime('%H:%M%S-05:00')
+
+class InvoicePeriod(model.Model):
+    __name__ = 'InvoicePeriod'
+
+    start_date = fields.Many2One(Date, name='StartDate')
+
+    end_date = fields.Many2One(Date, name='EndDate')
+
+class ID(model.Model):
+    __name__ = 'ID'
+
+class Party(model.Model):
+    __name__ = 'Party'
+
+    id = fields.Many2One(ID)
+
+class AccountingCustomerParty(model.Model):
+    __name__ = 'AccountingCustomerParty'
+
+    party = fields.Many2One(Party)
+
+class AccountingSupplierParty(model.Model):
+    __name__ = 'AccountingSupplierParty'
+
+    party = fields.Many2One(Party)
+    
+class Invoice(model.Model):
+    __name__ = 'Invoice'
+
+    id = fields.Many2One(ID)
+    issue = fields.Function(setter='set_issue')
+    issue_date = fields.Many2One(Date, name='IssueDate')
+    issue_time = fields.Many2One(Time, name='IssueTime')
+    
+    period = fields.Many2One(InvoicePeriod)
+
+    supplier = fields.Many2One(AccountingSupplierParty)
+    customer = fields.Many2One(AccountingCustomerParty)
+    
+    def set_issue(self, name, value):
+        if not isinstance(value, datetime):
+            raise ValueError('expected type datetime')
+        self.issue_date = value
+        self.issue_time = value

tests/test_model_invoice.py

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+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+# This file is part of facho.  The COPYRIGHT file at the top level of
+# this repository contains the full copyright notices and license terms.
+
+"""Nuevo esquema para modelar segun decreto"""
+
+from datetime import datetime
+
+import pytest
+
+import facho.fe.model as model
+
+def test_simple_invoice():
+    invoice = model.Invoice()
+    invoice.id = '323200000129'
+    invoice.issue = datetime.strptime('2019-01-16 10:53:10-05:00', '%Y-%m-%d %H:%M:%S%z')
+    invoice.supplier.party.id = '700085371'
+    invoice.customer.party.id = '800199436'