first commit

modules/product_image_attribute/product.py

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+# 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.i18n import gettext
+from trytond.model import fields
+from trytond.pool import PoolMeta
+from trytond.pyson import Eval
+
+
+class Product(metaclass=PoolMeta):
+    __name__ = 'product.product'
+
+    @property
+    def images_used(self):
+        for image in super().images_used:
+            if not image.product and image.attributes:
+                if not self.attributes:
+                    continue
+                for key, value in image.attributes.items():
+                    if value != self.attributes.get(key):
+                        break
+                else:
+                    yield image
+            else:
+                yield image
+
+
+class Image(metaclass=PoolMeta):
+    __name__ = 'product.image'
+
+    attributes = fields.Dict('product.attribute', "Attributes",
+        domain=[
+            ('sets', '=', Eval('attribute_set', -1)),
+            ],
+        states={
+            'invisible': ~Eval('attribute_set') | Eval('product'),
+            })
+    attributes_name = fields.Function(fields.Char(
+            "Attributes Name",
+            states={
+                'invisible': ~Eval('attribute_set'),
+                }),
+        'on_change_with_attributes_name')
+
+    attribute_set = fields.Function(
+        fields.Many2One('product.attribute.set', "Attribute Set"),
+        'on_change_with_attribute_set')
+
+    @fields.depends('template', '_parent_template.attribute_set')
+    def on_change_with_attribute_set(self, name=None):
+        return self.template.attribute_set if self.template else None
+
+    @fields.depends('attribute_set', 'attributes')
+    def on_change_with_attributes_name(self, name=None):
+        if not self.attribute_set or not self.attributes:
+            return
+
+        def key(attribute):
+            return getattr(attribute, 'sequence', attribute.name)
+
+        values = []
+        for attribute in sorted(self.attribute_set.attributes, key=key):
+            if attribute.name in self.attributes:
+                value = self.attributes[attribute.name]
+                values.append(gettext('product_attribute.msg_label_value',
+                        label=attribute.string,
+                        value=attribute.format(value)))
+        return " | ".join(filter(None, values))