Make testing scripts python3.x compatible

Update run_tests/*.py to use six based isomorphisms and print function
from __future__ module.

2 files changed, 6 insertions, 2 deletions

diff --git a/tools/run_tests/python_utils/filter_pull_request_tests.py b/tools/run_tests/python_utils/filter_pull_request_tests.py
index 3734f025d5..041e349162 100644
--- a/tools/run_tests/python_utils/filter_pull_request_tests.py
+++ b/tools/run_tests/python_utils/filter_pull_request_tests.py
@@ -30,7 +30,10 @@
 
 """Filter out tests based on file differences compared to merge target branch"""
 
+from __future__ import print_function
+
 import re
+import six
 from subprocess import check_output
 
 
@@ -125,7 +128,7 @@ _WHITELIST_DICT = {
 }
 
 # Add all triggers to their respective test suites
-for trigger, test_suites in _WHITELIST_DICT.iteritems():
+for trigger, test_suites in six.iteritems(_WHITELIST_DICT):
   for test_suite in test_suites:
     test_suite.add_trigger(trigger)
 
diff --git a/tools/run_tests/python_utils/report_utils.py b/tools/run_tests/python_utils/report_utils.py
index 9dad60408f..131772f55f 100644
--- a/tools/run_tests/python_utils/report_utils.py
+++ b/tools/run_tests/python_utils/report_utils.py
@@ -40,6 +40,7 @@ except (ImportError):
 import os
 import string
 import xml.etree.cElementTree as ET
+import six
 
 
 def _filter_msg(msg, output_format):
@@ -63,7 +64,7 @@ def render_junit_xml_report(resultset, xml_report, suite_package='grpc',
   root = ET.Element('testsuites')
   testsuite = ET.SubElement(root, 'testsuite', id='1', package=suite_package,
                             name=suite_name)
-  for shortname, results in resultset.iteritems():
+  for shortname, results in six.iteritems(resultset):
     for result in results:
       xml_test = ET.SubElement(testsuite, 'testcase', name=shortname)
       if result.elapsed_time: