Allow to pass through execution options (#10)

Author: Cito

MANIFEST.in

@@ -7,6 +7,7 @@ include .flake8
 include .pylintrc
 
 include tox.ini
+include travis.yml
 
 graft aiohttp_graphql
 graft tests

aiohttp_graphql/graphqlview.py

@@ -35,6 +35,7 @@ def __init__(
         encoder=None,
         error_formatter=None,
         enable_async=True,
+        **execution_options,
     ):
         # pylint: disable=too-many-arguments
         # pylint: disable=too-many-locals
@@ -54,6 +55,7 @@ def __init__(
         self.encoder = encoder or json_encode
         self.error_formatter = error_formatter or default_format_error
         self.enable_async = enable_async and isinstance(self.executor, AsyncioExecutor)
+        self.execution_options = execution_options
         assert isinstance(
             self.schema, GraphQLSchema
         ), "A Schema is required to be provided to GraphQLView."
@@ -140,6 +142,7 @@ async def __call__(self, request):
                 context_value=self.get_context(request),
                 middleware=self.middleware,
                 executor=self.executor,
+                **self.execution_options,
             )
 
             if is_graphiql and self.enable_async: