Travis uses tox

.travis.yml

@@ -1,32 +1,26 @@
 language: python
-sudo: false
-python:
-- 2.7
-# - "pypy-5.3.1"
-install:
-- pip install -e .[test]
-- pip install flake8
-script:
-- flake8
-- py.test --cov=graphql graphql tests
-after_success:
-- coveralls
 matrix:
   include:
-  - python: '3.5'
-    after_install:
-    - pip install pytest-asyncio
-    script:
-    - py.test --cov=graphql graphql tests tests_py35
-  - python: '3.6'
-    install:
-    - pip install -e .[test]
-    - pip install pytest-asyncio mypy
-    script:
-    - py.test --cov=graphql graphql tests tests_py35
-    - mypy graphql --ignore-missing-imports
-  - python: '2.7'
-
+    -  env: TOXENV=py27
+    -  env: TOXENV=py34
+       python: 3.4
+    -  env: TOXENV=py35
+       python: 3.5
+    -  env: TOXENV=py36
+       python: 3.6
+    -  env: TOXENV=pypy
+       python: pypy-5.7.1
+    -  env: TOXENV=pre-commit
+       python: 3.6
+    -  env: TOXENV=mypy
+       python: 3.6
+install: pip install coveralls tox
+script: tox
+after_success: coveralls
+cache:
+  directories:
+    - $HOME/.cache/pip
+    - $HOME/.cache/pre-commit
 deploy:
   provider: pypi
   user: syrusakbary

graphql/backend/base.py

@@ -4,6 +4,7 @@
 from abc import ABCMeta, abstractmethod
 import six
 
+
 # Necessary for static type checking
 if False:  # flake8: noqa
     from typing import Dict, Optional, Union, Callable

graphql/backend/cache.py

@@ -1,4 +1,5 @@
 from hashlib import sha1
+
 from six import string_types
 from ..type import GraphQLSchema
 

graphql/execution/tests/test_located_error.py

@@ -1,12 +1,8 @@
 # type: ignore
 # coding: utf-8
 
-from graphql import GraphQLField
-from graphql import GraphQLObjectType
-from graphql import GraphQLSchema
-from graphql import GraphQLString
-from graphql import execute
-from graphql import parse
+from graphql import (GraphQLField, GraphQLObjectType, GraphQLSchema,
+                     GraphQLString, execute, parse)
 from graphql.error import GraphQLLocatedError
 
 

graphql/execution/tests/test_variables.py

@@ -3,7 +3,6 @@
 from collections import OrderedDict
 
 from pytest import raises
-
 from graphql.error import GraphQLError, format_error
 from graphql.execution import execute
 from graphql.language.parser import parse

graphql/language/lexer.py

@@ -372,7 +372,7 @@ def read_string(source, start):
 
         position += 1
         if code == 92:  # \
-            append(body[chunk_start : position - 1])
+            append(body[chunk_start: position - 1])
 
             code = char_code_at(body, position)
             escaped = ESCAPED_CHAR_CODES.get(code)  # type: ignore
@@ -392,7 +392,7 @@ def read_string(source, start):
                         source,
                         position,
                         u"Invalid character escape sequence: \\u{}.".format(
-                            body[position + 1 : position + 5]
+                            body[position + 1: position + 5]
                         ),
                     )
 

graphql/pyutils/compat.py

@@ -240,4 +240,3 @@ def check_threads():
                 '(Enable the "enable-threads" flag).'
             )
         )
-

graphql/type/definition.py

@@ -626,17 +626,17 @@ class GeoPoint(GraphQLInputObjectType):
     """
 
     def __init__(self,
-            name, # type: str
-            fields, # type: Union[Callable[[], Dict[str, GraphQLInputObjectField]], Dict[str, GraphQLInputObjectField]]
-            description=None, # type: Optional[str]
-            container_type=None, # type: Type[Dict[str, Any]]
-        ):
+            name,  # type: str
+            fields,  # type: Union[Callable[[], Dict[str, GraphQLInputObjectField]], Dict[str, GraphQLInputObjectField]]
+            description=None,  # type: Optional[str]
+            container_type=None,  # type: Type[Dict[str, Any]]
+                 ):
         # type: (...) -> None
         assert name, "Type must be named."
         self.name = name
         self.description = description
         if container_type is None:
-            container_type = dict # type: ignore
+            container_type = dict  # type: ignore
         assert callable(container_type), "container_type must be callable"
         self.container_type = container_type
         self._fields = fields
@@ -755,7 +755,7 @@ class RowType(GraphQLObjectType):
 
     def __init__(
         self,
-        type, # type: Union[GraphQLList, GraphQLObjectType, GraphQLScalarType, GraphQLInputObjectType, GraphQLInterfaceType]
+        type,  # type: Union[GraphQLList, GraphQLObjectType, GraphQLScalarType, GraphQLInputObjectType, GraphQLInterfaceType]
     ):
         # type: (...) -> None
         assert is_type(type) and not isinstance(

graphql/type/tests/test_definition.py

@@ -1,5 +1,4 @@
 from collections import OrderedDict
-
 from py.test import raises
 
 from graphql.type import (

graphql/type/tests/test_enum_type.py

@@ -1,7 +1,5 @@
 from collections import OrderedDict
-
 from rx import Observable
-
 from graphql import graphql
 from graphql.type import (
     GraphQLArgument,

graphql/validation/rules/overlapping_fields_can_be_merged.py

@@ -207,7 +207,7 @@ def _find_conflicts_within_selection_set(
         # selection set to collect conflicts within fragments spread together.
         # This compares each item in the list of fragment names to every other item
         # in that same list (except for itself).
-        for other_fragment_name in fragment_names[i + 1 :]:
+        for other_fragment_name in fragment_names[i + 1:]:
             _collect_conflicts_between_fragments(
                 context,
                 conflicts,
@@ -444,7 +444,7 @@ def _collect_conflicts_within(
         # (except to itself). If the list only has one item, nothing needs to
         # be compared.
         for i, field in enumerate(fields):
-            for other_field in fields[i + 1 :]:
+            for other_field in fields[i + 1:]:
                 # within one collection is never mutually exclusive
                 conflict = _find_conflict(
                     context,

tox.ini

@@ -1,5 +1,5 @@
 [tox]
-envlist = flake8,isort,py27,py33,py34,py35,py36,pre-commit,pypy,docs
+envlist = py27,py34,py35,py36,pre-commit,pypy,mypy,docs
 
 [testenv]
 deps =
@@ -10,7 +10,7 @@ deps =
     pytest-mock
     pytest-benchmark
 commands =
-    py{27,33,34,py}: py.test graphql tests {posargs}
+    py{27,34,py}: py.test graphql tests {posargs}
     py{35,36}: py.test graphql tests tests_py35 {posargs}
 
 [testenv:pre-commit]
@@ -22,16 +22,12 @@ setenv =
 commands =
     pre-commit {posargs:run --all-files}
 
-[testenv:flake8]
-deps = flake8
-commands = flake8
-
-[testenv:isort]
-basepython=python3.5
+[testenv:mypy]
+basepython=python3.6
 deps =
-    isort==3.9.6
-    gevent==1.1rc1
-commands = isort -rc graphql
+    mypy
+commands =
+    mypy graphql --ignore-missing-imports
 
 [testenv:docs]
 changedir = docs