One2Many se puede iterar como lista

FossilOrigin-Name: 1de9daae362feb6693b928c4a58c11423127eb1783fdf509f0ef3083b5563b24

facho/model/fields/one2many.py

@@ -41,6 +41,9 @@ class _Relation():
     def __len__(self):
         return len(self.relations)
 
+    def __iter__(self):
+        for relation in self.relations:
+            yield relation
 
 class One2Many(Field):
     def __init__(self, model, name=None, namespace=None, default=None):

tests/test_model.py

@@ -442,3 +442,27 @@ def test_model_one2many_with_on_changes():
 
     assert len(invoice.lines) == 2
     assert '<Invoice count="2"><Line quantity="3"/><Line quantity="5"/></Invoice>' == invoice.to_xml()
+
+def test_model_one2many_as_list():
+    class Line(facho.model.Model):
+        __name__ = 'Line'
+
+        quantity = fields.Attribute('quantity')
+        
+    class Invoice(facho.model.Model):
+        __name__ = 'Invoice'
+
+        lines = fields.One2Many(Line)
+
+    invoice = Invoice()
+    line = invoice.lines.create()
+    line.quantity = 3
+    line = invoice.lines.create()
+    line.quantity = 5
+
+    lines = list(invoice.lines)
+    assert len(list(invoice.lines)) == 2
+
+    for line in lines:
+        assert isinstance(line, Line)
+    assert '<Invoice><Line quantity="3"/><Line quantity="5"/></Invoice>' == invoice.to_xml()