[flake8] Adding future-import check (apache#4476)

scripts/permissions_cleanup.py

@@ -1,3 +1,8 @@
+from __future__ import absolute_import
+from __future__ import division
+from __future__ import print_function
+from __future__ import unicode_literals
+
 from collections import defaultdict
 
 from superset import sm

setup.py

@@ -1,3 +1,8 @@
+from __future__ import absolute_import
+from __future__ import division
+from __future__ import print_function
+from __future__ import unicode_literals
+
 import json
 import os
 import subprocess

superset/cache_util.py

@@ -1,3 +1,8 @@
+from __future__ import absolute_import
+from __future__ import division
+from __future__ import print_function
+from __future__ import unicode_literals
+
 from flask import request
 
 from superset import tables_cache

superset/connectors/base/models.py

@@ -1,3 +1,8 @@
+from __future__ import absolute_import
+from __future__ import division
+from __future__ import print_function
+from __future__ import unicode_literals
+
 import json
 
 from sqlalchemy import (

superset/connectors/base/views.py

@@ -1,3 +1,8 @@
+from __future__ import absolute_import
+from __future__ import division
+from __future__ import print_function
+from __future__ import unicode_literals
+
 from flask import Markup
 
 from superset.utils import SupersetException

superset/connectors/connector_registry.py

@@ -1,3 +1,8 @@
+from __future__ import absolute_import
+from __future__ import division
+from __future__ import print_function
+from __future__ import unicode_literals
+
 from sqlalchemy.orm import subqueryload
 
 

superset/connectors/druid/models.py

@@ -1,4 +1,9 @@
 # pylint: disable=invalid-unary-operand-type
+from __future__ import absolute_import
+from __future__ import division
+from __future__ import print_function
+from __future__ import unicode_literals
+
 from collections import OrderedDict
 from copy import deepcopy
 from datetime import datetime, timedelta

superset/connectors/druid/views.py

@@ -1,3 +1,8 @@
+from __future__ import absolute_import
+from __future__ import division
+from __future__ import print_function
+from __future__ import unicode_literals
+
 from datetime import datetime
 import json
 import logging

superset/connectors/sqla/models.py

@@ -1,3 +1,8 @@
+from __future__ import absolute_import
+from __future__ import division
+from __future__ import print_function
+from __future__ import unicode_literals
+
 from datetime import datetime
 import logging
 

superset/connectors/sqla/views.py

@@ -1,4 +1,9 @@
 """Views used by the SqlAlchemy connector"""
+from __future__ import absolute_import
+from __future__ import division
+from __future__ import print_function
+from __future__ import unicode_literals
+
 from flask import flash, Markup, redirect
 from flask_appbuilder import CompactCRUDMixin, expose
 from flask_appbuilder.actions import action

superset/db_engines/hive.py

@@ -1,3 +1,8 @@
+from __future__ import absolute_import
+from __future__ import division
+from __future__ import print_function
+from __future__ import unicode_literals
+
 from pyhive import hive
 from TCLIService import ttypes
 from thrift import Thrift

superset/db_engines/presto.py

@@ -1,3 +1,8 @@
+from __future__ import absolute_import
+from __future__ import division
+from __future__ import print_function
+from __future__ import unicode_literals
+
 from pyhive import presto
 
 

superset/dict_import_export_util.py

@@ -1,3 +1,8 @@
+from __future__ import absolute_import
+from __future__ import division
+from __future__ import print_function
+from __future__ import unicode_literals
+
 import logging
 
 from superset.connectors.druid.models import DruidCluster

superset/extract_table_names.py

@@ -11,6 +11,10 @@
 #
 # See:
 # http://groups.google.com/group/sqlparse/browse_thread/thread/b0bd9a022e9d4895
+from __future__ import absolute_import
+from __future__ import division
+from __future__ import print_function
+from __future__ import unicode_literals
 
 import sqlparse
 from sqlparse.sql import Identifier, IdentifierList

superset/import_util.py

@@ -1,3 +1,8 @@
+from __future__ import absolute_import
+from __future__ import division
+from __future__ import print_function
+from __future__ import unicode_literals
+
 import logging
 
 from sqlalchemy.orm.session import make_transient

superset/stats_logger.py

@@ -1,3 +1,8 @@
+from __future__ import absolute_import
+from __future__ import division
+from __future__ import print_function
+from __future__ import unicode_literals
+
 import logging
 
 from colorama import Fore, Style

superset/views/base.py

@@ -1,3 +1,8 @@
+from __future__ import absolute_import
+from __future__ import division
+from __future__ import print_function
+from __future__ import unicode_literals
+
 from datetime import datetime
 import functools
 import json

superset/views/sql_lab.py

@@ -1,3 +1,8 @@
+from __future__ import absolute_import
+from __future__ import division
+from __future__ import print_function
+from __future__ import unicode_literals
+
 from flask import g, redirect
 from flask_appbuilder import expose
 from flask_appbuilder.models.sqla.interface import SQLAInterface

tests/druid_func_tests.py

@@ -1,3 +1,8 @@
+from __future__ import absolute_import
+from __future__ import division
+from __future__ import print_function
+from __future__ import unicode_literals
+
 import json
 import unittest
 

tests/model_tests.py

@@ -1,3 +1,8 @@
+from __future__ import absolute_import
+from __future__ import division
+from __future__ import print_function
+from __future__ import unicode_literals
+
 import unittest
 
 from sqlalchemy.engine.url import make_url

tests/security_tests.py

@@ -1,3 +1,8 @@
+from __future__ import absolute_import
+from __future__ import division
+from __future__ import print_function
+from __future__ import unicode_literals
+
 from superset import app, security, sm
 from .base_tests import SupersetTestCase
 

tests/utils_tests.py

@@ -1,3 +1,8 @@
+from __future__ import absolute_import
+from __future__ import division
+from __future__ import print_function
+from __future__ import unicode_literals
+
 from datetime import date, datetime, time, timedelta
 from decimal import Decimal
 import unittest

tests/viz_tests.py

@@ -1,3 +1,8 @@
+from __future__ import absolute_import
+from __future__ import division
+from __future__ import print_function
+from __future__ import unicode_literals
+
 from datetime import datetime
 import unittest
 

tox.ini

@@ -17,8 +17,17 @@ exclude =
     superset/migrations
     superset/templates
 ignore =
+    FI12
+    FI15
+    FI16
+    FI17
+    FI50
+    FI51
+    FI53
+    FI54
 import-order-style = google
 max-line-length = 90
+require-code = True
 
 [global]
 wheel_dir = {homedir}/.wheelhouse
@@ -57,6 +66,7 @@ commands =
 deps =
     flake8
     flake8-commas
+    flake8-future-import
     flake8-import-order
     flake8-quotes