tests: import nice_stdout plugin

tests/ansible/ansible.cfg

@@ -4,6 +4,7 @@ gathering = explicit
 strategy_plugins = ../../ansible_mitogen/plugins/strategy
 action_plugins = lib/action
 callback_plugins = lib/callback
+stdout_callback = nice_stdout
 library = lib/modules
 # module_utils = lib/module_utils
 retry_files_enabled = False

tests/ansible/lib/callback/nice_stdout.py

@@ -0,0 +1,54 @@
+from __future__ import unicode_literals
+import io
+
+try:
+    from ansible.plugins import callback_loader
+except ImportError:
+    from ansible.plugins.loader import callback_loader
+
+
+def printi(tio, obj, key=None, indent=0):
+    def write(s, *args):
+        if args:
+            s %= args
+        tio.write('  ' * indent)
+        if key is not None:
+            tio.write('%s: ' % (key,))
+        tio.write(s)
+        tio.write('\n')
+
+    if isinstance(obj, (list, tuple)):
+        write('[')
+        for i, obj2 in enumerate(obj):
+            printi(tio, obj2, key=i, indent=indent+1)
+        key = None
+        write(']')
+    elif isinstance(obj, dict):
+        write('{')
+        for key2, obj2 in sorted(obj.iteritems()):
+            if not (key2.startswith('_ansible_') or
+                    key2.endswith('_lines')):
+                printi(tio, obj2, key=key2, indent=indent+1)
+        key = None
+        write('}')
+    elif isinstance(obj, basestring):
+        if isinstance(obj, str):
+            obj = obj.decode('utf-8', 'replace')
+        for line in obj.splitlines():
+            write('%s', line.rstrip('\r\n'))
+    else:
+        write('%r', obj)
+
+
+DefaultModule = callback_loader.get('default', class_only=True)
+
+class CallbackModule(DefaultModule):
+    def _dump_results(self, result, *args, **kwargs):
+        try:
+            tio = io.StringIO()
+            printi(tio, result)
+            return tio.getvalue().encode('ascii', 'replace')
+        except:
+            import traceback
+            traceback.print_exc()
+            raise