Add product html_code (product core or '') (#22)

#163602

__init__.py

@@ -7,6 +7,7 @@ from . import action
 from . import translation
 from . import html
 from . import engine
+from . import product
 from . import invoice
 from . import production
 from . import purchase
@@ -30,6 +31,7 @@ def register():
     Pool.register_mixin(engine.HTMLReportMixin, Report,
         module=module)
 
+    product.register(module)
     invoice.register(module)
     production.register(module)
     purchase.register(module)

product/__init__.py

@@ -0,0 +1,7 @@
+from trytond.pool import Pool
+from . import product
+
+def register(module):
+    Pool.register(
+        product.Product,
+        module=module, type_='model', depends=['product'])

product/product.py

@@ -0,0 +1,12 @@
+from trytond.pool import PoolMeta
+from trytond.model import fields
+
+
+class Product(metaclass=PoolMeta):
+    __name__ = 'product.product'
+
+    html_code = fields.Function(fields.Char(
+        "HTML Code"), 'get_html_code')
+
+    def get_html_code(self, name):
+        return self.code or ''