Make the post and pre decorators take kwargs

https://marshmallow.readthedocs.io/en/stable/upgrading.html#decorated-methods-and-handle-error-receive-many-and-partial

app/schemas.py

@@ -47,7 +47,7 @@ def _validate_datetime_not_in_past(dte, msg="Date cannot be in the past"):
 
 class UUIDsAsStringsMixin:
     @post_dump()
-    def __post_dump(self, data):
+    def __post_dump(self, data, **kwargs):
         for key, value in data.items():
 
             if isinstance(value, UUID):
@@ -71,7 +71,7 @@ class BaseSchema(ma.SQLAlchemyAutoSchema):
         super(BaseSchema, self).__init__(*args, **kwargs)
 
     @post_load
-    def make_instance(self, data):
+    def make_instance(self, data, **kwargs):
         """Deserialize data to an instance of the model. Update an existing row
         if specified in `self.instance` or loaded by primary key(s) in the data;
         else create a new row.
@@ -169,7 +169,7 @@ class UserUpdateAttributeSchema(BaseSchema):
             raise ValidationError('Invalid phone number: {}'.format(error))
 
     @validates_schema(pass_original=True)
-    def check_unknown_fields(self, data, original_data):
+    def check_unknown_fields(self, data, original_data, **kwargs):
         for key in original_data:
             if key not in self.fields:
                 raise ValidationError('Unknown field name {}'.format(key))
@@ -181,7 +181,7 @@ class UserUpdatePasswordSchema(BaseSchema):
         model = models.User
 
     @validates_schema(pass_original=True)
-    def check_unknown_fields(self, data, original_data):
+    def check_unknown_fields(self, data, original_data, **kwargs):
         for key in original_data:
             if key not in self.fields:
                 raise ValidationError('Unknown field name {}'.format(key))
@@ -270,7 +270,7 @@ class ServiceSchema(BaseSchema, UUIDsAsStringsMixin):
             raise ValidationError('Duplicate Service Permission: {}'.format(duplicates))
 
     @pre_load()
-    def format_for_data_model(self, in_data):
+    def format_for_data_model(self, in_data, **kwargs):
         if isinstance(in_data, dict) and 'permissions' in in_data:
             str_permissions = in_data['permissions']
             permissions = []
@@ -347,7 +347,7 @@ class TemplateSchema(BaseTemplateSchema, UUIDsAsStringsMixin):
         return template.redact_personalisation
 
     @validates_schema
-    def validate_type(self, data):
+    def validate_type(self, data, **kwargs):
         if data.get('template_type') in {models.EMAIL_TYPE, models.LETTER_TYPE}:
             subject = data.get('subject')
             if not subject or subject.strip() == '':
@@ -377,7 +377,7 @@ class TemplateSchemaNoDetail(TemplateSchema):
         )
 
     @pre_dump
-    def remove_content_for_non_broadcast_templates(self, template):
+    def remove_content_for_non_broadcast_templates(self, template, **kwargs):
         if template.template_type != models.BROADCAST_TYPE:
             template.content = None
 
@@ -464,7 +464,7 @@ class SmsNotificationSchema(NotificationSchema):
             raise ValidationError('Invalid phone number: {}'.format(error))
 
     @post_load
-    def format_phone_number(self, item):
+    def format_phone_number(self, item, **kwargs):
         item['to'] = validate_and_format_phone_number(item['to'], international=True)
         return item
 
@@ -513,7 +513,7 @@ class NotificationWithTemplateSchema(BaseSchema):
     key_name = fields.String()
 
     @pre_dump
-    def add_api_key_name(self, in_data):
+    def add_api_key_name(self, in_data, **kwargs):
         if in_data.api_key:
             in_data.key_name = in_data.api_key.name
         else:
@@ -557,12 +557,12 @@ class NotificationWithPersonalisationSchema(NotificationWithTemplateSchema):
         exclude = ()
 
     @pre_dump
-    def handle_personalisation_property(self, in_data):
+    def handle_personalisation_property(self, in_data, **kwargs):
         self.personalisation = in_data.personalisation
         return in_data
 
     @post_dump
-    def handle_template_merge(self, in_data):
+    def handle_template_merge(self, in_data, **kwargs):
         in_data['template'] = in_data.pop('template_history')
         template = get_template_instance(in_data['template'], in_data['personalisation'])
         in_data['body'] = template.content_with_placeholders_filled_in
@@ -624,7 +624,7 @@ class NotificationsFilterSchema(ma.Schema):
     count_pages = fields.Boolean(required=False)
 
     @pre_load
-    def handle_multidict(self, in_data):
+    def handle_multidict(self, in_data, **kwargs):
         if isinstance(in_data, dict) and hasattr(in_data, 'getlist'):
             out_data = dict([(k, in_data.get(k)) for k in in_data.keys()])
             if 'template_type' in in_data:
@@ -635,7 +635,7 @@ class NotificationsFilterSchema(ma.Schema):
         return out_data
 
     @post_load
-    def convert_schema_object_to_field(self, in_data):
+    def convert_schema_object_to_field(self, in_data, **kwargs):
         if 'template_type' in in_data:
             in_data['template_type'] = [x.template_type for x in in_data['template_type']]
         if 'status' in in_data:
@@ -683,7 +683,7 @@ class UnarchivedTemplateSchema(BaseSchema):
     archived = fields.Boolean(required=True)
 
     @validates_schema
-    def validate_archived(self, data):
+    def validate_archived(self, data, **kwargs):
         if data['archived']:
             raise ValidationError('Template has been deleted', 'template')