Bug fixes related to python 3 changes

Change-Id: I048bb19cf456281521883eb1500832343d72fb97

syntribos/clients/http/parser.py

@@ -36,7 +36,7 @@ _string_var_objs = {}
 
 class RequestCreator(object):
     ACTION_FIELD = "ACTION_FIELD:"
-    EXTERNAL = r"CALL_EXTERNAL\|([^:]+?):([^:]+?):([^|]+?)\|"
+    EXTERNAL = r"CALL_EXTERNAL\|([^:]+?):([^:]+?)(?::([^|]+?))?\|"
     METAVAR = r"(\|[^\|]*\|)"
     FUNC_WITH_ARGS = r"([^:]+):([^:]+):(\[.+\])"
     FUNC_NO_ARGS = r"([^:]+):([^:]+)"
@@ -85,9 +85,9 @@ class RequestCreator(object):
         """
         if not cls.meta_vars:
             msg = ("Template contains reference to meta variable of the form "
-                   "\'|variable|\', but no meta.json file is found in the"
+                   "'|{}|', but no meta.json file is found in the"
                    "templates directory. Check your templates and the "
-                   "documentation on how to resolve this")
+                   "documentation on how to resolve this".format(var))
             raise TemplateParseException(msg)
 
         if var not in cls.meta_vars:
@@ -326,7 +326,7 @@ class RequestCreator(object):
                 break
             dot_path = match.group(1)
             func_name = match.group(2)
-            arg_list = match.group(3)
+            arg_list = match.group(3) or "[]"
             mod = importlib.import_module(dot_path)
             func = getattr(mod, func_name)
             args = json.loads(arg_list)

syntribos/runner.py

@@ -415,7 +415,7 @@ class Runner(object):
                     failures = result.stats['unique_failures'] - last_failures
                     errors = result.stats['errors'] - last_errors
                     failures_str = cli.colorize_by_percent(
-                        failures, total_tests, "red")
+                        failures, total_tests)
 
                     if errors:
                         errors_str = cli.colorize(errors, "red")

syntribos/tests/fuzz/base_fuzz.py

@@ -50,7 +50,7 @@ class BaseFuzzTestCase(base.BaseTestCase):
             else:
                 path = os.path.join(payloads, file_name or cls.data_key)
             with open(path, "rb") as fp:
-                return fp.read().splitlines()
+                return str(fp.read()).splitlines()
         except (IOError, AttributeError, TypeError) as e:
             LOG.error("Exception raised: {}".format(e))
             print("\nPayload file for test '{}' not readable, "

syntribos/utils/string_utils.py

@@ -87,7 +87,7 @@ def compress(content, threshold=512):
             compressed_data = base64.b64encode(
                 zlib.compress(bytes(content.encode("utf-8"))))
             if not six.PY2:
-                compressed_data = compressed_data.decode("utf-8")
+                compressed_data = str(compressed_data.decode("utf-8"))
             return pprint.pformat(
                 "\n***Content compressed by Syntribos.***"
                 "\nFirst fifty characters of content:\n"