api: export VariableValues, SchemaChange, and defer/stream validation rules

Replicates graphql/graphql-js@ef5c033,
           graphql/graphql-js@cec7bf9,
           graphql/graphql-js@6655768

Author: Cito

docs/modules/execution.rst

@@ -76,3 +76,5 @@ Execution
 .. autofunction:: get_directive_values
 
 .. autofunction:: get_variable_values
+
+.. autoclass:: VariableValues

docs/modules/utilities.rst

@@ -127,6 +127,7 @@ Compare two GraphQLSchemas and detect changes:
 .. autoclass:: BreakingChangeType
 .. autoclass:: DangerousChange
 .. autoclass:: DangerousChangeType
+.. autoclass:: SchemaChange
 
 Resolve a schema coordinate to the schema element it refers to:
 

src/graphql/__init__.py

@@ -249,6 +249,7 @@
     DangerousChangeType,
     SafeChange,
     SafeChangeType,
+    SchemaChange,
     find_breaking_changes,
     find_dangerous_changes,
     find_schema_changes,
@@ -439,6 +440,9 @@
     specified_rules,
     recommended_rules,
     # Individual validation rules.
+    DeferStreamDirectiveLabel,
+    DeferStreamDirectiveOnRootField,
+    DeferStreamDirectiveOnValidOperationsRule,
     ExecutableDefinitionsRule,
     FieldsOnCorrectTypeRule,
     FragmentsOnCompositeTypesRule,
@@ -457,6 +461,7 @@
     ProvidedRequiredArgumentsRule,
     ScalarLeafsRule,
     SingleFieldSubscriptionsRule,
+    StreamDirectiveOnListField,
     UniqueArgumentNamesRule,
     UniqueDirectivesPerLocationRule,
     UniqueFragmentNamesRule,
@@ -496,6 +501,7 @@
     # Types
     AsyncWorkFinishedInfo,
     ExecutionHooks,
+    VariableValues,
     Executor,
     ExecutionResult,
     ExperimentalIncrementalExecutionResults,
@@ -572,6 +578,9 @@
     "ConstValueNode",
     "DangerousChange",
     "DangerousChangeType",
+    "DeferStreamDirectiveLabel",
+    "DeferStreamDirectiveOnRootField",
+    "DeferStreamDirectiveOnValidOperationsRule",
     "DefinitionNode",
     "DirectiveArgumentCoordinateNode",
     "DirectiveCoordinateNode",
@@ -751,6 +760,7 @@
     "ScalarLeafsRule",
     "ScalarTypeDefinitionNode",
     "ScalarTypeExtensionNode",
+    "SchemaChange",
     "SchemaCoordinateNode",
     "SchemaDefinitionNode",
     "SchemaExtensionNode",
@@ -760,6 +770,7 @@
     "SingleFieldSubscriptionsRule",
     "Source",
     "SourceLocation",
+    "StreamDirectiveOnListField",
     "StringValueNode",
     "SubsequentIncrementalExecutionResult",
     "Thunk",
@@ -800,6 +811,7 @@
     "ValuesOfCorrectTypeRule",
     "VariableDefinitionNode",
     "VariableNode",
+    "VariableValues",
     "VariablesAreInputTypesRule",
     "VariablesInAllowedPositionRule",
     "Visitor",

src/graphql/execution/__init__.py

@@ -30,7 +30,12 @@
     StreamItemsResult,
 )
 from .middleware import MiddlewareManager
-from .values import get_argument_values, get_directive_values, get_variable_values
+from .values import (
+    get_argument_values,
+    get_directive_values,
+    get_variable_values,
+    VariableValues,
+)
 from .execute import (
     create_source_event_stream,
     execute,
@@ -80,6 +85,7 @@
     "StreamItemsResult",
     "StreamRecord",
     "SubsequentIncrementalExecutionResult",
+    "VariableValues",
     "create_source_event_stream",
     "default_field_resolver",
     "default_type_resolver",

src/graphql/utilities/__init__.py

@@ -89,6 +89,7 @@
     DangerousChangeType,
     SafeChange,
     SafeChangeType,
+    SchemaChange,
     find_breaking_changes,
     find_dangerous_changes,
     find_schema_changes,
@@ -124,6 +125,7 @@
     "ResolvedSchemaElement",
     "SafeChange",
     "SafeChangeType",
+    "SchemaChange",
     "TypeInfo",
     "TypeInfoVisitor",
     "ast_from_value",

src/graphql/utilities/find_schema_changes.py

@@ -45,6 +45,7 @@
     "DangerousChangeType",
     "SafeChange",
     "SafeChangeType",
+    "SchemaChange",
     "find_breaking_changes",
     "find_dangerous_changes",
     "find_schema_changes",