Remove six

Remove all six usage.

Change-Id: Ib2f0f6cf3b7f5d9ec20440fb81b09c1c083c67b0
Story: 2008305
Task: 41295

lower-constraints.txt

@@ -56,7 +56,6 @@ requests==2.14.2
 requestsexceptions==1.2.0
 rfc3986==0.3.1
 simplejson==3.8.1
-six==1.10.0
 smmap==0.9.0
 sphinx==1.6.2
 SQLAlchemy==1.0.10

monasca_notification/common/utils.py

@@ -19,7 +19,6 @@ from keystoneauth1 import exceptions as kaexception
 from keystoneauth1 import loading as kaloading
 from oslo_config import cfg
 from oslo_log import log
-import six
 
 from monasca_notification.common.repositories import exceptions
 from monasca_notification.notification import Notification
@@ -161,8 +160,8 @@ def get_auth_token():
         auth_token = session.get_token()
         return auth_token
     except (kaexception.Unauthorized, kaexception.DiscoveryFailure) as e:
-        LOG.exception(error_message.format(six.text_type(e)))
+        LOG.exception(error_message.format(str(e)))
         raise
     except Exception as e:
-        LOG.exception(error_message.format(six.text_type(e)))
+        LOG.exception(error_message.format(str(e)))
         raise

monasca_notification/plugins/abstract_notifier.py

@@ -15,11 +15,9 @@
 # limitations under the License.
 
 import abc
-import six
 
 
-@six.add_metaclass(abc.ABCMeta)
-class AbstractNotifier(object):
+class AbstractNotifier(object, metaclass=abc.ABCMeta):
 
     def __init__(self):
         pass

monasca_notification/plugins/email_notifier.py

@@ -17,7 +17,6 @@
 import email.header
 import email.mime.text
 import email.utils
-import six
 import smtplib
 import time
 
@@ -259,7 +258,7 @@ class EmailNotifier(abstract_notifier.AbstractNotifier):
         metric_query = "?metric=%s" % metric['name']
 
         dimensions = metric['dimensions']
-        for key, value in six.iteritems(dimensions):
+        for key, value in dimensions.items():
             metric_query += "&dim_%s=%s" % (key, value)
 
         # Show the graph within a range of ten minutes before and after the alarm occurred.

monasca_notification/plugins/hipchat_notifier.py

@@ -16,10 +16,10 @@
 
 import requests
 import simplejson as json
+import urllib
 
 from debtcollector import removals
 from oslo_config import cfg
-from six.moves import urllib
 
 from monasca_notification.plugins import abstract_notifier
 

monasca_notification/plugins/jira_notifier.py

@@ -19,7 +19,7 @@ from jinja2 import Template
 import jira
 from oslo_config import cfg
 import simplejson as json
-from six.moves import urllib
+import urllib
 import yaml
 
 from monasca_notification.plugins.abstract_notifier import AbstractNotifier

monasca_notification/plugins/slack_notifier.py

@@ -15,13 +15,13 @@
 # limitations under the License.
 
 import os
+import urllib
 
 from debtcollector import removals
 import jinja2
 from oslo_config import cfg
 import requests
 import simplejson as json
-from six.moves import urllib
 
 from monasca_notification.plugins import abstract_notifier
 

monasca_notification/processors/alarm_processor.py

@@ -18,7 +18,6 @@ import time
 from oslo_config import cfg
 from oslo_log import log as logging
 import simplejson as json
-import six
 
 from monasca_notification.common.repositories import exceptions as exc
 from monasca_notification.common.utils import get_db_repo
@@ -57,7 +56,7 @@ class AlarmProcessor(object):
         ]
         # check if alarm_data is <class 'bytes'>
         # if yes convert it to standard string
-        if isinstance(alarm_data, six.binary_type):
+        if isinstance(alarm_data, bytes):
             alarm_data = alarm_data.decode("utf-8")
         json_alarm = json.loads(alarm_data)
         alarm = json_alarm['alarm-transitioned']

requirements.txt

@@ -7,7 +7,6 @@ keystoneauth1>=3.4.0 # Apache-2.0
 monasca-statsd>=1.4.0 # Apache-2.0
 requests>=2.14.2 # Apache-2.0
 PyYAML>=3.13 # MIT
-six>=1.10.0 # MIT
 monasca-common>=2.16.0 # Apache-2.0
 oslo.config>=5.2.0 # Apache-2.0
 oslo.log>=3.36.0 # Apache-2.0

tests/test_email_notification.py

@@ -22,20 +22,15 @@ import smtplib
 import socket
 import time
 from unittest import mock
-
-import six
+from urllib import parse
+from urllib.parse import urlparse
 
 from monasca_notification.notification import Notification
 from monasca_notification.plugins import email_notifier
 from tests import base
 
-if six.PY2:
-    import urlparse
-else:
-    from urllib import parse
-    from urllib.parse import urlparse
 
-UNICODE_CHAR = six.unichr(2344)
+UNICODE_CHAR = chr(2344)
 UNICODE_CHAR_ENCODED = UNICODE_CHAR.encode("utf-8")
 
 
@@ -498,24 +493,16 @@ class TestEmail(base.PluginTestCase):
         return alarm_ms, expected_from_ms, expected_to_ms
 
     def _assert_equal_urls(self, expected_url, result_url):
-        if six.PY2:
-            expected_parsed = urlparse.urlparse(expected_url)
-            result_parsed = urlparse.urlparse(result_url)
-        else:
         expected_parsed = urlparse(expected_url)
         result_parsed = urlparse(result_url)
 
         self.assertEqual(expected_parsed.netloc, result_parsed.netloc)
         self.assertEqual(expected_parsed.path, result_parsed.path)
 
-        if six.PY2:
-            expected_parsed_query = urlparse.parse_qs(expected_parsed.query)
-            result_parsed_query = urlparse.parse_qs(result_parsed.query)
-        else:
         expected_parsed_query = parse.parse_qs(expected_parsed.query)
         result_parsed_query = parse.parse_qs(result_parsed.query)
 
         self.assertEqual(len(expected_parsed_query), len(result_parsed_query))
 
-        for key in six.iterkeys(result_parsed_query):
+        for key in result_parsed_query.keys():
             self.assertEqual(expected_parsed_query[key], result_parsed_query[key])

tests/test_hipchat_notification.py

@@ -14,17 +14,11 @@
 import json
 from unittest import mock
 
-import six
-
 from monasca_notification import notification as m_notification
 from monasca_notification.plugins import hipchat_notifier
+import queue
 from tests import base
 
-if six.PY2:
-    import Queue as queue
-else:
-    import queue
-
 
 def alarm(metrics):
     return {"tenantId": "0",

tests/test_jira_notification.py

@@ -12,17 +12,11 @@
 
 from unittest import mock
 
-import six
-
 from monasca_notification import notification as m_notification
 from monasca_notification.plugins import jira_notifier
+import queue
 from tests import base
 
-if six.PY2:
-    import Queue as queue
-else:
-    import queue
-
 
 def alarm():
     return {'tenantId': '0',

tests/test_pagerduty_notification.py

@@ -19,17 +19,11 @@ import requests
 import time
 from unittest import mock
 
-import six
-
 from monasca_notification import notification as m_notification
 from monasca_notification.plugins import pagerduty_notifier
+import queue
 from tests import base
 
-if six.PY2:
-    import Queue as queue
-else:
-    import queue
-
 
 def alarm(metrics):
     return {"tenantId": "0",

tests/test_slack_notification.py

@@ -14,17 +14,11 @@
 import json
 from unittest import mock
 
-import six
-
 from monasca_notification import notification as m_notification
 from monasca_notification.plugins import slack_notifier
+import queue
 from tests import base
 
-if six.PY2:
-    import Queue as queue
-else:
-    import queue
-
 
 def alarm(metrics):
     return {'tenantId': '0',

tests/test_webhook_notification.py

@@ -18,17 +18,12 @@ import requests
 from unittest import mock
 
 import simplejson as json
-import six
 
 from monasca_notification import notification as m_notification
 from monasca_notification.plugins import webhook_notifier
+import queue
 from tests import base
 
-if six.PY2:
-    import Queue as queue
-else:
-    import queue
-
 
 def alarm(metrics):
     return {"tenantId": "0",