Added support for deprecated fields using deprecation_reason. Fixed #93

Author: syrusakbary

graphene/core/types/field.py

@@ -18,7 +18,7 @@ class Field(NamedType, OrderedType):
 
     def __init__(
             self, type, description=None, args=None, name=None, resolver=None,
-            required=False, default=None, *args_list, **kwargs):
+            required=False, default=None, deprecation_reason=None, *args_list, **kwargs):
         _creation_counter = kwargs.pop('_creation_counter', None)
         if isinstance(name, (Argument, ArgumentType)):
             kwargs['name'] = name
@@ -29,6 +29,7 @@ def __init__(
         self.required = required
         self.type = type
         self.description = description
+        self.deprecation_reason = deprecation_reason
         args = OrderedDict(args or {}, **kwargs)
         self.arguments = ArgumentsGroup(*args_list, **args)
         self.object_type = None
@@ -103,6 +104,7 @@ def wrapped_func(instance, args, info):
         assert type, 'Internal type for field %s is None' % str(self)
         return GraphQLField(type, args=schema.T(arguments),
                             resolver=self.decorate_resolver(resolver),
+                            deprecation_reason=self.deprecation_reason,
                             description=description,)
 
     def __repr__(self):

graphene/core/types/tests/test_field.py

@@ -166,3 +166,17 @@ def resolve_hello(self, args, info):
         'hello': 'Hello Serkan'
     }
     assert result.data == expected
+
+
+def test_field_internal_type_deprecated():
+    deprecation_reason = 'No more used'
+    field = Field(String(), description='My argument',
+                  deprecation_reason=deprecation_reason)
+
+    class Query(ObjectType):
+        my_field = field
+    schema = Schema(query=Query)
+
+    type = schema.T(field)
+    assert isinstance(type, GraphQLField)
+    assert type.deprecation_reason == deprecation_reason