prompt: You will be provided with a partial code base and an issue statement explaining a problem to resolve.
  <issue>
  Allow creating attributes with values in one mutation
  We need to change the signature of `productAttributeCreate` mutation to allow creating attribute values in the same mutation. This is required by the new UI for the product attributes dashboard.
  
  </issue>
  <code>
  [start of saleor/graphql/product/mutations/attributes.py]
  1 import graphene
  2 
  3 from ....product import models
  4 from ...core.mutations import ModelDeleteMutation, ModelMutation
  5 
  6 
  7 class AttributesInput(graphene.InputObjectType):
  8     slug = graphene.String(
  9         required=True, description='Internal name.')
  10     name = graphene.String(
  11         required=True, description='Name displayed in the interface.')
  12 
  13 
  14 class AttributeValueCreateInput(graphene.InputObjectType):
  15     attribute = graphene.ID(
  16         required=False,
  17         description='Attribute to which value will be assigned.',
  18         name='attribute')
  19     slug = graphene.String(
  20         required=True, description='Internal name.')
  21     name = graphene.String(
  22         required=True, description='Name displayed in the interface.')
  23     value = graphene.String(
  24         required=True, description='Real value eg. HEX color.')
  25 
  26 
  27 class AttributeValueUpdateInput(graphene.InputObjectType):
  28     slug = graphene.String(
  29         required=True, description='Internal name.')
  30     name = graphene.String(
  31         required=True, description='Name displayed in the interface.')
  32 
  33 
  34 class AttributeCreate(ModelMutation):
  35     class Arguments:
  36         input = AttributesInput(
  37             required=True,
  38             description='Fields required to create an attribute.')
  39 
  40     class Meta:
  41         description = 'Creates an attribute.'
  42         model = models.Attribute
  43 
  44     @classmethod
  45     def user_is_allowed(cls, user, input):
  46         return user.has_perm('product.manage_products')
  47 
  48 
  49 class AttributeUpdate(AttributeCreate):
  50     class Arguments:
  51         id = graphene.ID(
  52             required=True, description='ID of an attribute to update.')
  53         input = AttributesInput(
  54             required=True,
  55             description='Fields required to update an attribute.')
  56 
  57     class Meta:
  58         description = 'Updates attribute.'
  59         model = models.Attribute
  60 
  61 
  62 class AttributeDelete(ModelDeleteMutation):
  63     class Arguments:
  64         id = graphene.ID(
  65             required=True, description='ID of an attribute to delete.')
  66 
  67     class Meta:
  68         description = 'Deletes an attribute.'
  69         model = models.Attribute
  70 
  71     @classmethod
  72     def user_is_allowed(cls, user, input):
  73         return user.has_perm('product.manage_products')
  74 
  75 
  76 class AttributeValueCreate(ModelMutation):
  77     class Arguments:
  78         input = AttributeValueCreateInput(
  79             required=True,
  80             description='Fields required to create an attribute choice value.')
  81 
  82     class Meta:
  83         description = 'Creates an attribute choice value.'
  84         model = models.AttributeValue
  85 
  86     @classmethod
  87     def user_is_allowed(cls, user, input):
  88         return user.has_perm('product.manage_products')
  89 
  90 
  91 class AttributeValueUpdate(AttributeValueCreate):
  92     class Arguments:
  93         id = graphene.ID(
  94             required=True,
  95             description='ID of an attribute choice value to update.')
  96         input = AttributeValueUpdateInput(
  97             required=True,
  98             description='Fields required to update an attribute choice value.')
  99 
  100     class Meta:
  101         description = 'Updates an attribute choice value.'
  102         model = models.AttributeValue
  103 
  104 
  105 class AttributeValueDelete(ModelDeleteMutation):
  106     class Arguments:
  107         id = graphene.ID(
  108             required=True,
  109             description='ID of an attribute choice value to delete.')
  110 
  111     class Meta:
  112         description = 'Deletes an attribute choice value.'
  113         model = models.AttributeValue
  114 
  115     @classmethod
  116     def user_is_allowed(cls, user, input):
  117         return user.has_perm('product.manage_products')
  118
  [end of saleor/graphql/product/mutations/attributes.py]
  </code>
  
  I need you to solve this issue by generating a single patch file that I can apply directly to this repository using git apply. Please respond with a single patch file in the following format.
  <patch>
  diff --git a/file.py b/file.py
  --- a/file.py
  +++ b/file.py
  @@ -1,27 +1,35 @@
   def euclidean(a, b):
  -    while b:
  -        a, b = b, a % b
  -    return a
  +    if b == 0:
  +        return a
  +    return euclidean(b, a % b)
   
   
   def bresenham(x0, y0, x1, y1):
       points = []
       dx = abs(x1 - x0)
       dy = abs(y1 - y0)
  -    sx = 1 if x0 < x1 else -1
  -    sy = 1 if y0 < y1 else -1
  -    err = dx - dy
  +    x, y = x0, y0
  +    sx = -1 if x0 > x1 else 1
  +    sy = -1 if y0 > y1 else 1
   
  -    while True:
  -        points.append((x0, y0))
  -        if x0 == x1 and y0 == y1:
  -            break
  -        e2 = 2 * err
  -        if e2 > -dy:
  -            err -= dy
  -            x0 += sx
  -        if e2 < dx:
  -            err += dx
  -            y0 += sy
  +    if dx > dy:
  +        err = dx / 2.0
  +        while x != x1:
  +            points.append((x, y))
  +            err -= dy
  +            if err < 0:
  +                y += sy
  +                err += dx
  +            x += sx
  +    else:
  +        err = dy / 2.0
  +        while y != y1:
  +            points.append((x, y))
  +            err -= dx
  +            if err < 0:
  +                x += sx
  +                err += dy
  +            y += sy
  +
  +    points.append((x, y))
       return points
  
  </patch>
golden_diff: diff --git a/saleor/graphql/product/mutations/attributes.py b/saleor/graphql/product/mutations/attributes.py
  --- a/saleor/graphql/product/mutations/attributes.py
  +++ b/saleor/graphql/product/mutations/attributes.py
  @@ -2,13 +2,7 @@
   
   from ....product import models
   from ...core.mutations import ModelDeleteMutation, ModelMutation
  -
  -
  -class AttributesInput(graphene.InputObjectType):
  -    slug = graphene.String(
  -        required=True, description='Internal name.')
  -    name = graphene.String(
  -        required=True, description='Name displayed in the interface.')
  +from django.core.exceptions import ValidationError
   
   
   class AttributeValueCreateInput(graphene.InputObjectType):
  @@ -24,16 +18,22 @@
           required=True, description='Real value eg. HEX color.')
   
   
  -class AttributeValueUpdateInput(graphene.InputObjectType):
  +class AttributeInput(graphene.InputObjectType):
       slug = graphene.String(
           required=True, description='Internal name.')
       name = graphene.String(
           required=True, description='Name displayed in the interface.')
   
   
  +class AttributeCreateInput(AttributeInput):
  +    values = graphene.List(
  +        AttributeValueCreateInput,
  +        description='Attribute values to be created for this attribute.')
  +
  +
   class AttributeCreate(ModelMutation):
       class Arguments:
  -        input = AttributesInput(
  +        input = AttributeCreateInput(
               required=True,
               description='Fields required to create an attribute.')
   
  @@ -45,12 +45,42 @@
       def user_is_allowed(cls, user, input):
           return user.has_perm('product.manage_products')
   
  +    @classmethod
  +    def clean_input(cls, info, instance, input, errors):
  +        cleaned_input = super().clean_input(info, instance, input, errors)
  +
  +        values = cleaned_input.get('values', [])
  +        names = [value['name'] for value in values]
  +        if len(set(names)) != len(names):
  +            cls.add_error(
  +                errors, 'values', 'Duplicated attribute value names provided.')
  +        for value_data in values:
  +            attribute_value = models.AttributeValue(**value_data)
  +            try:
  +                attribute_value.full_clean()
  +            except ValidationError as validation_errors:
  +                for field in validation_errors.message_dict:
  +                    # Attribute instance is not created yet so we cannot add it
  +                    if field == 'attribute':
  +                        continue
  +                    for message in validation_errors.message_dict[field]:
  +                        error_field = 'values:%(field)s' % {'field': field}
  +                        cls.add_error(errors, error_field, message)
  +        return cleaned_input
  +
  +    @classmethod
  +    def _save_m2m(cls, info, instance, cleaned_data):
  +        super()._save_m2m(info, instance, cleaned_data)
  +        values = cleaned_data.get('values', [])
  +        for value in values:
  +            instance.values.create(**value)
  +
   
   class AttributeUpdate(AttributeCreate):
       class Arguments:
           id = graphene.ID(
               required=True, description='ID of an attribute to update.')
  -        input = AttributesInput(
  +        input = AttributeInput(
               required=True,
               description='Fields required to update an attribute.')
   
  @@ -93,7 +123,7 @@
           id = graphene.ID(
               required=True,
               description='ID of an attribute choice value to update.')
  -        input = AttributeValueUpdateInput(
  +        input = AttributeInput(
               required=True,
               description='Fields required to update an attribute choice value.')
  
verification_info: {"golden_diff": "diff --git a/saleor/graphql/product/mutations/attributes.py b/saleor/graphql/product/mutations/attributes.py\n--- a/saleor/graphql/product/mutations/attributes.py\n+++ b/saleor/graphql/product/mutations/attributes.py\n@@ -2,13 +2,7 @@\n \n from ....product import models\n from ...core.mutations import ModelDeleteMutation, ModelMutation\n-\n-\n-class AttributesInput(graphene.InputObjectType):\n-    slug = graphene.String(\n-        required=True, description='Internal name.')\n-    name = graphene.String(\n-        required=True, description='Name displayed in the interface.')\n+from django.core.exceptions import ValidationError\n \n \n class AttributeValueCreateInput(graphene.InputObjectType):\n@@ -24,16 +18,22 @@\n         required=True, description='Real value eg. HEX color.')\n \n \n-class AttributeValueUpdateInput(graphene.InputObjectType):\n+class AttributeInput(graphene.InputObjectType):\n     slug = graphene.String(\n         required=True, description='Internal name.')\n     name = graphene.String(\n         required=True, description='Name displayed in the interface.')\n \n \n+class AttributeCreateInput(AttributeInput):\n+    values = graphene.List(\n+        AttributeValueCreateInput,\n+        description='Attribute values to be created for this attribute.')\n+\n+\n class AttributeCreate(ModelMutation):\n     class Arguments:\n-        input = AttributesInput(\n+        input = AttributeCreateInput(\n             required=True,\n             description='Fields required to create an attribute.')\n \n@@ -45,12 +45,42 @@\n     def user_is_allowed(cls, user, input):\n         return user.has_perm('product.manage_products')\n \n+    @classmethod\n+    def clean_input(cls, info, instance, input, errors):\n+        cleaned_input = super().clean_input(info, instance, input, errors)\n+\n+        values = cleaned_input.get('values', [])\n+        names = [value['name'] for value in values]\n+        if len(set(names)) != len(names):\n+            cls.add_error(\n+                errors, 'values', 'Duplicated attribute value names provided.')\n+        for value_data in values:\n+            attribute_value = models.AttributeValue(**value_data)\n+            try:\n+                attribute_value.full_clean()\n+            except ValidationError as validation_errors:\n+                for field in validation_errors.message_dict:\n+                    # Attribute instance is not created yet so we cannot add it\n+                    if field == 'attribute':\n+                        continue\n+                    for message in validation_errors.message_dict[field]:\n+                        error_field = 'values:%(field)s' % {'field': field}\n+                        cls.add_error(errors, error_field, message)\n+        return cleaned_input\n+\n+    @classmethod\n+    def _save_m2m(cls, info, instance, cleaned_data):\n+        super()._save_m2m(info, instance, cleaned_data)\n+        values = cleaned_data.get('values', [])\n+        for value in values:\n+            instance.values.create(**value)\n+\n \n class AttributeUpdate(AttributeCreate):\n     class Arguments:\n         id = graphene.ID(\n             required=True, description='ID of an attribute to update.')\n-        input = AttributesInput(\n+        input = AttributeInput(\n             required=True,\n             description='Fields required to update an attribute.')\n \n@@ -93,7 +123,7 @@\n         id = graphene.ID(\n             required=True,\n             description='ID of an attribute choice value to update.')\n-        input = AttributeValueUpdateInput(\n+        input = AttributeInput(\n             required=True,\n             description='Fields required to update an attribute choice value.')\n", "issue": "Allow creating attributes with values in one mutation\nWe need to change the signature of `productAttributeCreate` mutation to allow creating attribute values in the same mutation. This is required by the new UI for the product attributes dashboard.\n", "before_files": [{"content": "import graphene\n\nfrom ....product import models\nfrom ...core.mutations import ModelDeleteMutation, ModelMutation\n\n\nclass AttributesInput(graphene.InputObjectType):\n    slug = graphene.String(\n        required=True, description='Internal name.')\n    name = graphene.String(\n        required=True, description='Name displayed in the interface.')\n\n\nclass AttributeValueCreateInput(graphene.InputObjectType):\n    attribute = graphene.ID(\n        required=False,\n        description='Attribute to which value will be assigned.',\n        name='attribute')\n    slug = graphene.String(\n        required=True, description='Internal name.')\n    name = graphene.String(\n        required=True, description='Name displayed in the interface.')\n    value = graphene.String(\n        required=True, description='Real value eg. HEX color.')\n\n\nclass AttributeValueUpdateInput(graphene.InputObjectType):\n    slug = graphene.String(\n        required=True, description='Internal name.')\n    name = graphene.String(\n        required=True, description='Name displayed in the interface.')\n\n\nclass AttributeCreate(ModelMutation):\n    class Arguments:\n        input = AttributesInput(\n            required=True,\n            description='Fields required to create an attribute.')\n\n    class Meta:\n        description = 'Creates an attribute.'\n        model = models.Attribute\n\n    @classmethod\n    def user_is_allowed(cls, user, input):\n        return user.has_perm('product.manage_products')\n\n\nclass AttributeUpdate(AttributeCreate):\n    class Arguments:\n        id = graphene.ID(\n            required=True, description='ID of an attribute to update.')\n        input = AttributesInput(\n            required=True,\n            description='Fields required to update an attribute.')\n\n    class Meta:\n        description = 'Updates attribute.'\n        model = models.Attribute\n\n\nclass AttributeDelete(ModelDeleteMutation):\n    class Arguments:\n        id = graphene.ID(\n            required=True, description='ID of an attribute to delete.')\n\n    class Meta:\n        description = 'Deletes an attribute.'\n        model = models.Attribute\n\n    @classmethod\n    def user_is_allowed(cls, user, input):\n        return user.has_perm('product.manage_products')\n\n\nclass AttributeValueCreate(ModelMutation):\n    class Arguments:\n        input = AttributeValueCreateInput(\n            required=True,\n            description='Fields required to create an attribute choice value.')\n\n    class Meta:\n        description = 'Creates an attribute choice value.'\n        model = models.AttributeValue\n\n    @classmethod\n    def user_is_allowed(cls, user, input):\n        return user.has_perm('product.manage_products')\n\n\nclass AttributeValueUpdate(AttributeValueCreate):\n    class Arguments:\n        id = graphene.ID(\n            required=True,\n            description='ID of an attribute choice value to update.')\n        input = AttributeValueUpdateInput(\n            required=True,\n            description='Fields required to update an attribute choice value.')\n\n    class Meta:\n        description = 'Updates an attribute choice value.'\n        model = models.AttributeValue\n\n\nclass AttributeValueDelete(ModelDeleteMutation):\n    class Arguments:\n        id = graphene.ID(\n            required=True,\n            description='ID of an attribute choice value to delete.')\n\n    class Meta:\n        description = 'Deletes an attribute choice value.'\n        model = models.AttributeValue\n\n    @classmethod\n    def user_is_allowed(cls, user, input):\n        return user.has_perm('product.manage_products')\n", "path": "saleor/graphql/product/mutations/attributes.py"}]}