Improved field resolving

graphene/__init__.py

@@ -0,0 +1,14 @@
+from .types import (
+    ObjectType,
+    Interface,
+    implements,
+    Field,
+    Schema,
+    Scalar,
+    String, ID, Int, Float, Boolean,
+    List, NonNull,
+    Argument
+)
+from .utils.resolve_only_args import resolve_only_args
+
+__all__ = ['ObjectType', 'Interface', 'implements', 'Field', 'Schema', 'Scalar', 'String', 'ID', 'Int', 'Float', 'Boolean', 'List','NonNull', 'Argument','resolve_only_args']

graphene/types/__init__.py

@@ -1,7 +1,9 @@
 from .objecttype import ObjectType, implements
 from .interface import Interface
-from .scalars import Scalar
+from .scalars import Scalar, String, ID, Int, Float, Boolean
 from .schema import Schema
+from .structures import List, NonNull
 from .field import Field
+from .argument import Argument
 
-__all__ = ['ObjectType', 'Interface', 'implements', 'Field', 'Schema', 'Scalar']
+__all__ = ['ObjectType', 'Interface', 'implements', 'Field', 'Schema', 'Scalar', 'String', 'ID', 'Int', 'Float', 'Boolean', 'List', 'NonNull', 'Argument']

graphene/types/field.py

@@ -6,6 +6,7 @@ from graphql.utils.assert_valid_name import assert_valid_name
 from .objecttype import ObjectType
 from .interface import Interface
 from ..utils.orderedtype import OrderedType
+from ..utils.str_converters import to_camel_case
 from .argument import to_arguments
 
 
@@ -40,7 +41,7 @@ class Field(GraphQLField, OrderedType):
 
     @property
     def name(self):
-        return self._name or self.attname
+        return self._name or to_camel_case(self.attname)
 
     @name.setter
     def name(self, name):

graphene/types/objecttype.py

@@ -57,16 +57,19 @@ class ObjectType(six.with_metaclass(ObjectTypeMeta)):
 
         if not kwargs:
             for val, field in zip(args, fields_iter):
-                setattr(self, field.name, val)
+                attname = getattr(field, 'attname', field.name)
+                setattr(self, attname, val)
         else:
             for val, field in zip(args, fields_iter):
-                setattr(self, field.name, val)
-                kwargs.pop(field.name, None)
+                attname = getattr(field, 'attname', field.name)
+                setattr(self, attname, val)
+                kwargs.pop(attname, None)
 
         for field in fields_iter:
             try:
-                val = kwargs.pop(field.name)
-                setattr(self, field.name, val)
+                attname = getattr(field, 'attname', field.name)
+                val = kwargs.pop(attname)
+                setattr(self, attname, val)
             except KeyError:
                 pass
 

graphene/types/scalars.py

@@ -1,5 +1,5 @@
 import six
-from graphql import GraphQLString, GraphQLInt, GraphQLFloat, GraphQLBoolean
+from graphql import GraphQLString, GraphQLInt, GraphQLFloat, GraphQLBoolean, GraphQLID
 
 from .definitions import ClassTypeMeta, GrapheneScalarType
 from .proxy import TypeProxy
@@ -52,3 +52,4 @@ String = construct_scalar_class(GraphQLString)
 Int = construct_scalar_class(GraphQLInt)
 Float = construct_scalar_class(GraphQLFloat)
 Boolean = construct_scalar_class(GraphQLBoolean)
+ID = construct_scalar_class(GraphQLID)

graphene/types/tests/test_field.py

@@ -37,7 +37,7 @@ def test_contributed_field_objecttype():
     field = Field(GraphQLString)
     field.contribute_to_class(MyObject, 'field_name')
 
-    assert field.name == 'field_name'
+    assert field.name == 'fieldName'
 
 
 def test_contributed_field_non_objecttype():

graphene/utils/resolve_only_args.py

@@ -0,0 +1,8 @@
+from functools import wraps
+
+
+def resolve_only_args(func):
+    @wraps(func)
+    def inner(root, args, context, info):
+        return func(root, **args)
+    return inner

graphene/utils/str_converters.py

@@ -0,0 +1,21 @@
+import re
+
+
+# From this response in Stackoverflow
+# http://stackoverflow.com/a/19053800/1072990
+def to_camel_case(snake_str):
+    components = snake_str.split('_')
+    # We capitalize the first letter of each component except the first one
+    # with the 'title' method and join them together.
+    return components[0] + "".join(x.title() if x else '_' for x in components[1:])
+
+
+# From this response in Stackoverflow
+# http://stackoverflow.com/a/1176023/1072990
+def to_snake_case(name):
+    s1 = re.sub('(.)([A-Z][a-z]+)', r'\1_\2', name)
+    return re.sub('([a-z0-9])([A-Z])', r'\1_\2', s1).lower()
+
+
+def to_const(string):
+    return re.sub('[\W|^]+', '_', string).upper()

graphene/utils/tests/test_resolve_only_args.py

@@ -0,0 +1,12 @@
+from ..resolve_only_args import resolve_only_args
+
+
+def test_resolve_only_args():
+
+    def resolver(*args, **kwargs):
+        return kwargs
+
+    my_data = {'one': 1, 'two': 2}
+
+    wrapped = resolve_only_args(resolver)
+    assert wrapped(None, my_data, None, None) == my_data

graphene/utils/tests/test_str_converters.py

@@ -0,0 +1,22 @@
+# coding: utf-8
+from ..str_converters import to_camel_case, to_const, to_snake_case
+
+
+def test_snake_case():
+    assert to_snake_case('snakesOnAPlane') == 'snakes_on_a_plane'
+    assert to_snake_case('SnakesOnAPlane') == 'snakes_on_a_plane'
+    assert to_snake_case('SnakesOnA_Plane') == 'snakes_on_a__plane'
+    assert to_snake_case('snakes_on_a_plane') == 'snakes_on_a_plane'
+    assert to_snake_case('snakes_on_a__plane') == 'snakes_on_a__plane'
+    assert to_snake_case('IPhoneHysteria') == 'i_phone_hysteria'
+    assert to_snake_case('iPhoneHysteria') == 'i_phone_hysteria'
+
+
+def test_camel_case():
+    assert to_camel_case('snakes_on_a_plane') == 'snakesOnAPlane'
+    assert to_camel_case('snakes_on_a__plane') == 'snakesOnA_Plane'
+    assert to_camel_case('i_phone_hysteria') == 'iPhoneHysteria'
+
+
+def test_to_const():
+    assert to_const('snakes $1. on a "#plane') == 'SNAKES_1_ON_A_PLANE'