import only modules (flake8 H302)

Change-Id: I0fa6fc6bf9d51b60fa987a0040168f3f0ef78a4a

keystone/common/bufferedhttp.py

@@ -29,7 +29,7 @@ BufferedHTTPResponse.
 """
 
 import time
-from urllib import quote
+import urllib
 
 from eventlet.green import httplib
 
@@ -130,7 +130,7 @@ def http_connect(ipaddr, port, device, partition, method, path,
     :returns: HTTPConnection object
 
     """
-    path = quote('/' + device + '/' + str(partition) + path)
+    path = urllib.quote('/' + device + '/' + str(partition) + path)
     return http_connect_raw(ipaddr, port, device, partition, method, path,
                             headers, query_string, ssl, key_file, cert_file)
 

keystone/common/logging.py

@@ -21,11 +21,10 @@ from __future__ import absolute_import
 import functools
 import logging
 import logging.config
+import logging.handlers
 import pprint
 import traceback
 
-from logging.handlers import SysLogHandler
-from logging.handlers import WatchedFileHandler
 
 # A list of things we want to replicate from logging.
 # levels
@@ -57,8 +56,8 @@ Formatter = logging.Formatter
 
 # handlers
 StreamHandler = logging.StreamHandler
-WatchedFileHandler = WatchedFileHandler
-SysLogHandler = SysLogHandler
+WatchedFileHandler = logging.handlers.WatchedFileHandler
+SysLogHandler = logging.handlers.SysLogHandler
 
 
 def log_debug(f):

keystone/contrib/s3/core.py

@@ -24,10 +24,9 @@ for the EC2 module for how to generate the required credentials.
 """
 
 import base64
+import hashlib
 import hmac
 
-from hashlib import sha1
-
 from keystone.common import utils
 from keystone.common import wsgi
 from keystone import config
@@ -51,7 +50,8 @@ class S3Controller(ec2.Ec2Controller):
     def check_signature(self, creds_ref, credentials):
         msg = base64.urlsafe_b64decode(str(credentials['token']))
         key = str(creds_ref['secret'])
-        signed = base64.encodestring(hmac.new(key, msg, sha1).digest()).strip()
+        signed = base64.encodestring(
+            hmac.new(key, msg, hashlib.sha1).digest()).strip()
 
         if not utils.auth_str_equal(credentials['signature'], signed):
             raise exception.Unauthorized('Credential signature mismatch')

keystone/middleware/ec2_token.py

@@ -22,7 +22,7 @@ Starting point for routing EC2 requests.
 
 """
 
-from urlparse import urlparse
+import urlparse
 
 from eventlet.green import httplib
 import webob.dec
@@ -73,7 +73,7 @@ class EC2Token(wsgi.Middleware):
         # Disable 'has no x member' pylint error
         # for httplib and urlparse
         # pylint: disable-msg=E1101
-        o = urlparse(FLAGS.keystone_ec2_url)
+        o = urlparse.urlparse(FLAGS.keystone_ec2_url)
         if o.scheme == 'http':
             conn = httplib.HTTPConnection(o.netloc)
         else:

tests/test_contrib_s3_core.py

@@ -16,7 +16,7 @@
 
 import uuid
 
-from keystone.contrib.s3.core import S3Controller
+from keystone.contrib import s3
 from keystone.contrib import ec2
 
 from keystone import exception
@@ -30,7 +30,7 @@ class S3ContribCore(test.TestCase):
         self.load_backends()
 
         self.ec2_api = ec2.Manager()
-        self.controller = S3Controller()
+        self.controller = s3.S3Controller()
 
     def test_good_signature(self):
         creds_ref = {'secret':

tox.ini

@@ -31,14 +31,13 @@ commands = {posargs}
 [flake8]
 show-source = true
 
-# H302: import only modules
 # H304: no relative imports.
 # H306: imports not in alphabetical order
 # H401: docstring should not start with a space
 # H402: one line docstring needs punctuation
 # H403: multi line docstring end on new line
 # H404: multi line docstring should start with a summary
-ignore = H302,H304,H306,H401,H402,H403,H404
+ignore = H304,H306,H401,H402,H403,H404
 
 builtins = _
 exclude=.venv,.git,.tox,dist,doc,*openstack/common*,*lib/python*,*egg,tools,vendor