1 files changed, 41 insertions, 0 deletions
diff --git a/novaclient/utils.py b/novaclient/utils.py
new file mode 100644
index 00000000..08fb70ca
--- /dev/null
+++ b/novaclient/utils.py
@@ -0,0 +1,41 @@
+
+import prettytable
+
+
+# Decorator for cli-args
+def arg(*args, **kwargs):
+    def _decorator(func):
+        # Because of the sematics of decorator composition if we just append
+        # to the options list positional options will appear to be backwards.
+        func.__dict__.setdefault('arguments', []).insert(0, (args, kwargs))
+        return func
+    return _decorator
+
+
+def pretty_choice_list(l):
+    return ', '.join("'%s'" % i for i in l)
+
+
+def print_list(objs, fields, formatters={}):
+    pt = prettytable.PrettyTable([f for f in fields], caching=False)
+    pt.aligns = ['l' for f in fields]
+
+    for o in objs:
+        row = []
+        for field in fields:
+            if field in formatters:
+                row.append(formatters[field](o))
+            else:
+                field_name = field.lower().replace(' ', '_')
+                data = getattr(o, field_name, '')
+                row.append(data)
+        pt.add_row(row)
+
+    pt.printt(sortby=fields[0])
+
+
+def print_dict(d):
+    pt = prettytable.PrettyTable(['Property', 'Value'], caching=False)
+    pt.aligns = ['l', 'l']
+    [pt.add_row(list(r)) for r in d.iteritems()]
+    pt.printt(sortby='Property')