From 235a24e966816a593adb7ed2817b102932657a7e Mon Sep 17 00:00:00 2001
From: Syrus Akbary <me@syrusakbary.com>
Date: Thu, 28 Jan 2016 10:22:25 -0800
Subject: [PATCH] Added support for deprecated fields using deprecation_reason.
 Fixed #93

---
 graphene/core/types/field.py            |  4 +++-
 graphene/core/types/tests/test_field.py | 14 ++++++++++++++
 2 files changed, 17 insertions(+), 1 deletion(-)

diff --git a/graphene/core/types/field.py b/graphene/core/types/field.py
index 2d96f1d3..3db7ed68 100644
--- a/graphene/core/types/field.py
+++ b/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 @@ class Field(NamedType, OrderedType):
         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 @@ class Field(NamedType, OrderedType):
         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):
diff --git a/graphene/core/types/tests/test_field.py b/graphene/core/types/tests/test_field.py
index 9d224e0d..34690223 100644
--- a/graphene/core/types/tests/test_field.py
+++ b/graphene/core/types/tests/test_field.py
@@ -166,3 +166,17 @@ def test_field_resolve_vars():
         '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