Drop six

python 2 was dropped [1] so we don't need six anymore

[1]: https://gerrit.opnfv.org/gerrit/c/functest-xtesting/+/68262

Signed-off-by: Vincent Danno <vincent.danno@orange.com>
Change-Id: I840211990b76f77a46e9e737fc4a4c857b57c0b2

7 files changed, 28 insertions, 42 deletions

diff --git a/xtesting/core/behaveframework.py b/xtesting/core/behaveframework.py
index dba556f4..e288fff8 100644
--- a/xtesting/core/behaveframework.py
+++ b/xtesting/core/behaveframework.py
@@ -16,7 +16,6 @@ import os
 import time
 
 import json
-import six
 
 from behave.__main__ import main as behave_main
 
@@ -92,10 +91,9 @@ class BehaveFramework(testcase.TestCase):
         config = ['--tags='+','.join(tags),
                   '--junit', '--junit-directory={}'.format(self.res_dir),
                   '--format=json', '--outfile={}'.format(self.json_file)]
-        if six.PY3:
-            html_file = os.path.join(self.res_dir, 'output.html')
-            config += ['--format=behave_html_formatter:HTMLFormatter',
-                       '--outfile={}'.format(html_file)]
+        html_file = os.path.join(self.res_dir, 'output.html')
+        config += ['--format=behave_html_formatter:HTMLFormatter',
+                   '--outfile={}'.format(html_file)]
         if kwargs.get("console", False):
             config += ['--format=pretty', '--outfile=-']
         for feature in suites:
diff --git a/xtesting/core/campaign.py b/xtesting/core/campaign.py
index 51a145c1..58747681 100644
--- a/xtesting/core/campaign.py
+++ b/xtesting/core/campaign.py
@@ -17,12 +17,12 @@ import os
 import re
 import zipfile
 
+from urllib.parse import urlparse
 import boto3
 from boto3.s3.transfer import TransferConfig
 import botocore
 import pkg_resources
 import requests
-from six.moves import urllib
 
 from xtesting.core import testcase
 from xtesting.utils import env
@@ -120,9 +120,9 @@ class Campaign():
             multipart_threshold = 5 * 1024 ** 5 if "google" in os.environ[
                 "S3_ENDPOINT_URL"] else 8 * 1024 * 1024
             config = TransferConfig(multipart_threshold=multipart_threshold)
-            bucket_name = urllib.parse.urlparse(dst_s3_url).netloc
+            bucket_name = urlparse(dst_s3_url).netloc
             s3path = re.search(
-                '^/*(.*)/*$', urllib.parse.urlparse(dst_s3_url).path).group(1)
+                '^/*(.*)/*$', urlparse(dst_s3_url).path).group(1)
             prefix = os.path.join(s3path, build_tag)
             # pylint: disable=no-member
             for s3_object in b3resource.Bucket(bucket_name).objects.filter(
@@ -183,9 +183,9 @@ class Campaign():
             multipart_threshold = 5 * 1024 ** 5 if "google" in os.environ[
                 "S3_ENDPOINT_URL"] else 8 * 1024 * 1024
             config = TransferConfig(multipart_threshold=multipart_threshold)
-            bucket_name = urllib.parse.urlparse(dst_s3_url).netloc
+            bucket_name = urlparse(dst_s3_url).netloc
             mime_type = mimetypes.guess_type('{}.zip'.format(build_tag))
-            path = urllib.parse.urlparse(dst_s3_url).path.strip("/")
+            path = urlparse(dst_s3_url).path.strip("/")
             # pylint: disable=no-member
             b3resource.Bucket(bucket_name).upload_file(
                 '{}.zip'.format(build_tag),
diff --git a/xtesting/core/feature.py b/xtesting/core/feature.py
index 3b2a19f2..f92858bd 100644
--- a/xtesting/core/feature.py
+++ b/xtesting/core/feature.py
@@ -20,15 +20,13 @@ import subprocess
 import sys
 import time
 
-import six
 from xtesting.core import testcase
 
 __author__ = ("Serena Feng <feng.xiaowei@zte.com.cn>, "
               "Cedric Ollivier <cedric.ollivier@orange.com>")
 
 
-@six.add_metaclass(abc.ABCMeta)
-class Feature(testcase.TestCase):
+class Feature(testcase.TestCase, metaclass=abc.ABCMeta):
     """Base model for single feature."""
 
     __logger = logging.getLogger(__name__)
diff --git a/xtesting/core/mts.py b/xtesting/core/mts.py
index d6865a61..6ced2530 100644
--- a/xtesting/core/mts.py
+++ b/xtesting/core/mts.py
@@ -25,7 +25,6 @@ import time
 
 from lxml import etree
 import prettytable
-import six
 
 from xtesting.core import testcase
 
@@ -245,17 +244,14 @@ class MTSLauncher(testcase.TestCase):
                     if console:
                         sys.stdout.write(line.decode("utf-8"))
                     f_stdout.write(line.decode("utf-8"))
-                if six.PY3:
-                    try:
-                        process.wait(timeout=max_duration)
-                    except subprocess.TimeoutExpired:
-                        process.kill()
-                        self.__logger.info(
-                            "Killing MTS process after %d second(s).",
-                            max_duration)
-                        return 3
-                else:
-                    process.wait()
+                try:
+                    process.wait(timeout=max_duration)
+                except subprocess.TimeoutExpired:
+                    process.kill()
+                    self.__logger.info(
+                        "Killing MTS process after %d second(s).",
+                        max_duration)
+                    return 3
             with open(self.result_file, 'r') as f_stdin:
                 self.__logger.debug("$ %s\n%s", cmd, f_stdin.read().rstrip())
             return process.returncode
diff --git a/xtesting/core/robotframework.py b/xtesting/core/robotframework.py
index a973e9a2..64ee352c 100644
--- a/xtesting/core/robotframework.py
+++ b/xtesting/core/robotframework.py
@@ -14,12 +14,12 @@ from __future__ import division
 import logging
 import os
 
+from io import StringIO
 import robot.api
 from robot.errors import RobotError
 from robot.reporting import resultwriter
 import robot.run
 from robot.utils.robottime import timestamp_to_secs
-from six import StringIO
 
 from xtesting.core import testcase
 
diff --git a/xtesting/core/testcase.py b/xtesting/core/testcase.py
index 08ce426b..15936f1d 100644
--- a/xtesting/core/testcase.py
+++ b/xtesting/core/testcase.py
@@ -16,15 +16,13 @@ import logging
 import mimetypes
 import os
 import re
-import sys
 
+from urllib.parse import urlparse
 import boto3
 from boto3.s3.transfer import TransferConfig
 import botocore
 import prettytable
 import requests
-import six
-from six.moves import urllib
 
 from xtesting.utils import decorators
 from xtesting.utils import env
@@ -33,8 +31,7 @@ from xtesting.utils import constants
 __author__ = "Cedric Ollivier <cedric.ollivier@orange.com>"
 
 
-@six.add_metaclass(abc.ABCMeta)
-class TestCase():
+class TestCase(metaclass=abc.ABCMeta):
     # pylint: disable=too-many-instance-attributes
     """Base model for single test case."""
 
@@ -238,7 +235,7 @@ class TestCase():
                 url, data=json.dumps(data, sort_keys=True),
                 headers=self.headers)
             req.raise_for_status()
-            if urllib.parse.urlparse(url).scheme != "file":
+            if urlparse(url).scheme != "file":
                 # href must be postprocessed as OPNFV testapi is misconfigured
                 # (localhost is returned)
                 uid = re.sub(r'^.*/api/v1/results/*', '', req.json()["href"])
@@ -289,7 +286,7 @@ class TestCase():
             multipart_threshold = 5 * 1024 ** 5 if "google" in os.environ[
                 "S3_ENDPOINT_URL"] else 8 * 1024 * 1024
             config = TransferConfig(multipart_threshold=multipart_threshold)
-            bucket_name = urllib.parse.urlparse(dst_s3_url).netloc
+            bucket_name = urlparse(dst_s3_url).netloc
             try:
                 b3resource.meta.client.head_bucket(Bucket=bucket_name)
             except botocore.exceptions.ClientError as exc:
@@ -298,12 +295,10 @@ class TestCase():
                     # pylint: disable=no-member
                     b3resource.create_bucket(Bucket=bucket_name)
                 else:
-                    typ, value, traceback = sys.exc_info()
-                    six.reraise(typ, value, traceback)
-            except Exception:  # pylint: disable=broad-except
-                typ, value, traceback = sys.exc_info()
-                six.reraise(typ, value, traceback)
-            path = urllib.parse.urlparse(dst_s3_url).path.strip("/")
+                    raise exc
+            except Exception as exc:  # pylint: disable=broad-except
+                raise exc
+            path = urlparse(dst_s3_url).path.strip("/")
             dst_http_url = os.environ["HTTP_DST_URL"]
             output_str = "\n"
             self.details["links"] = []
diff --git a/xtesting/core/unit.py b/xtesting/core/unit.py
index 877cd073..9d549a2d 100644
--- a/xtesting/core/unit.py
+++ b/xtesting/core/unit.py
@@ -10,7 +10,7 @@
 """Define the parent class to run unittest.TestSuite as TestCase."""
 
 from __future__ import division
-
+from io import BytesIO
 import logging
 import os
 import shutil
@@ -19,7 +19,6 @@ import time
 import unittest
 
 from subunit.run import SubunitTestRunner
-import six
 
 from xtesting.core import testcase
 
@@ -112,7 +111,7 @@ class Suite(testcase.TestCase):
             self.start_time = time.time()
             if not os.path.isdir(self.res_dir):
                 os.makedirs(self.res_dir)
-            stream = six.BytesIO()
+            stream = BytesIO()
             result = SubunitTestRunner(
                 stream=stream, verbosity=2).run(self.suite).decorated
             self.generate_stats(stream)