[cli] fix listing for json and yaml output

Gauvain Pocentek · Gauvain Pocentek · commit 4bdce7a6b629 · 2018-03-02T16:15:44.000+01:00
Fixes python-gitlab#438
diff --git a/gitlab/v4/cli.py b/gitlab/v4/cli.py
@@ -248,19 +248,34 @@ def extend_parser(parser):
     return parser
 
 
+def get_dict(obj, fields):
+    if fields:
+        return {k: v for k, v in obj.attributes.items()
+                if k in fields}
+    return obj.attributes
+
+
 class JSONPrinter(object):
     def display(self, d, **kwargs):
         import json  # noqa
-
         print(json.dumps(d))
 
+    def display_list(self, data, fields):
+        import json  # noqa
+        print(json.dumps([get_dict(obj, fields) for obj in data]))
+
 
 class YAMLPrinter(object):
     def display(self, d, **kwargs):
         import yaml  # noqa
-
         print(yaml.safe_dump(d, default_flow_style=False))
 
+    def display_list(self, data, fields):
+        import yaml  # noqa
+        print(yaml.safe_dump(
+            [get_dict(obj, fields) for obj in data],
+            default_flow_style=False))
+
 
 class LegacyPrinter(object):
     def display(self, d, **kwargs):
@@ -300,6 +315,15 @@ def display_dict(d, padding):
                 value = getattr(obj, obj._short_print_attr)
                 print('%s: %s' % (obj._short_print_attr, value))
 
+    def display_list(self, data, fields, **kwargs):
+        verbose = kwargs.get('verbose', False)
+        for obj in data:
+            if isinstance(obj, gitlab.base.RESTObject):
+                self.display(get_dict(obj, fields), verbose=verbose, obj=obj)
+            else:
+                print(obj)
+            print('')
+
 
 PRINTERS = {
     'json': JSONPrinter,
@@ -310,28 +334,15 @@ def display_dict(d, padding):
 
 def run(gl, what, action, args, verbose, output, fields):
     g_cli = GitlabCLI(gl, what, action, args)
-    ret_val = g_cli()
+    data = g_cli()
 
     printer = PRINTERS[output]()
 
-    def get_dict(obj):
-        if fields:
-            return {k: v for k, v in obj.attributes.items()
-                    if k in fields}
-        return obj.attributes
-
-    if isinstance(ret_val, dict):
-        printer.display(ret_val, verbose=True, obj=ret_val)
-    elif isinstance(ret_val, list):
-        for obj in ret_val:
-            if isinstance(obj, gitlab.base.RESTObject):
-                printer.display(get_dict(obj), verbose=verbose, obj=obj)
-            else:
-                print(obj)
-            print('')
-    elif isinstance(ret_val, dict):
-        printer.display(ret_val, verbose=verbose, obj=ret_val)
-    elif isinstance(ret_val, gitlab.base.RESTObject):
-        printer.display(get_dict(ret_val), verbose=verbose, obj=ret_val)
-    elif isinstance(ret_val, six.string_types):
-        print(ret_val)
+    if isinstance(data, dict):
+        printer.display(data, verbose=True, obj=data)
+    elif isinstance(data, list):
+        printer.display_list(data, fields, verbose=verbose)
+    elif isinstance(data, gitlab.base.RESTObject):
+        printer.display(get_dict(data, fields), verbose=verbose, obj=data)
+    elif isinstance(data, six.string_types):
+        print(data)
