Misc Python 3 changes: execfile(), file(), reduce(), StandardError

awx/main/utils/ansible.py

@@ -44,7 +44,7 @@ def could_be_playbook(project_path, dir_path, filename):
     # show up.
     matched = False
     try:
-        for n, line in enumerate(file(playbook_path)):
+        for n, line in enumerate(open(playbook_path)):
             if valid_playbook_re.match(line):
                 matched = True
             # Any YAML file can also be encrypted with vault;

awx/main/utils/common.py

@@ -18,6 +18,7 @@ import contextlib
 import tempfile
 import six
 import psutil
+from functools import reduce
 from StringIO import StringIO
 
 from decimal import Decimal

awx/main/utils/filters.py

@@ -1,4 +1,5 @@
 import re
+from functools import reduce
 from pyparsing import (
     infixNotation,
     opAssoc,