From e3bec7be19c8cfa8e8025e84bf0444109dcce730 Mon Sep 17 00:00:00 2001
From: Feodor Tersin <ftersin@cloudscaling.com>
Date: Wed, 28 May 2014 01:31:53 +0400
Subject: Make show option compatible with Python 2.6.

Change-Id: I573ba628e1f7d4e1f6d71223e27f2301db7eb080
Closes-Bug: #1322931
---
 cliff/display.py | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

(limited to 'cliff/display.py')

diff --git a/cliff/display.py b/cliff/display.py
index e04fd29..74f7289 100644
--- a/cliff/display.py
+++ b/cliff/display.py
@@ -1,6 +1,16 @@
 """Application base class for displaying data.
 """
 import abc
+
+try:
+    from itertools import compress
+except ImportError:
+    # for py26 compat
+    from itertools import izip
+
+    def compress(data, selectors):
+        return (d for d, s in izip(data, selectors) if s)
+
 import logging
 
 import stevedore
@@ -80,3 +90,7 @@ class DisplayCommandBase(Command):
         column_names, data = self.take_action(parsed_args)
         self.produce_output(parsed_args, column_names, data)
         return 0
+
+    @staticmethod
+    def _compress_iterable(iterable, selectors):
+        return compress(iterable, selectors)
-- 
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