issue #477: backport various test modules to Python 2.4.

tests/ansible/lib/modules/custom_python_json_args_module.py

@@ -1,7 +1,6 @@
 #!/usr/bin/python
 # I am an Ansible Python JSONARGS module. I should receive an encoding string.
 
-import json
 import sys
 
 json_arguments = """<<INCLUDE_ANSIBLE_MODULE_JSON_ARGS>>"""

tests/ansible/lib/modules/custom_python_new_style_missing_interpreter.py

@@ -1,6 +1,5 @@
 # I am an Ansible new-style Python module, but I lack an interpreter.
 
-import json
 import sys
 
 # This is the magic marker Ansible looks for:

tests/ansible/lib/modules/custom_python_new_style_module.py

@@ -1,7 +1,6 @@
 #!/usr/bin/python
 # I am an Ansible new-style Python module. I should receive an encoding string.
 
-import json
 import sys
 
 # This is the magic marker Ansible looks for:

tests/ansible/lib/modules/custom_python_want_json_module.py

@@ -1,9 +1,14 @@
 #!/usr/bin/python
-# I am an Ansible Python WANT_JSON module. I should receive an encoding string.
+# I am an Ansible Python WANT_JSON module. I should receive a JSON-encoded file.
 
-import json
 import sys
 
+try:
+    import json
+except ImportError:
+    import simplejson as json
+
+
 WANT_JSON = 1
 
 
@@ -16,12 +21,18 @@ if len(sys.argv) < 2:
 
 # Also must slurp in our own source code, to verify the encoding string was
 # added.
-with open(sys.argv[0]) as fp:
+fp = open(sys.argv[0])
+try:
     me = fp.read()
+finally:
+    fp.close()
 
 try:
-    with open(sys.argv[1]) as fp:
+    fp = open(sys.argv[1])
+    try:
         input_json = fp.read()
+    finally:
+        fp.close()
 except IOError:
     usage()