[diffoscope] 01/02: diffoscope.main: Tidy --list-tools filtering.

[Chris Lamb]

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lamby pushed a commit to branch experimental
in repository diffoscope.

commit 6e96786b7c4ca965827045ec94c5667edef45c1e
Author: Chris Lamb <lamby at debian.org>
Date:   Wed Mar 29 13:36:39 2017 +0100

    diffoscope.main: Tidy --list-tools filtering.
---
 diffoscope/main.py | 11 +++++++----
 1 file changed, 7 insertions(+), 4 deletions(-)

diff --git a/diffoscope/main.py b/diffoscope/main.py
index 9de4926..3b82a7a 100644
--- a/diffoscope/main.py
+++ b/diffoscope/main.py
@@ -221,11 +221,14 @@ class ListToolsAction(argparse.Action):
             current_os = get_current_os()
             os_list = [current_os] if (current_os in OS_NAMES) else iter(OS_NAMES)
         for os in os_list:
+            tools = set()
             print("Available-in-{}-packages: ".format(OS_NAMES[os]), end='')
-            print(', '.join(sorted(filter(None, {
-                EXTERNAL_TOOLS.get(k, {}).get(os, None)
-                for k in tool_required.all
-            }))))
+            for x in tool_required.all:
+                try:
+                    tools.add(EXTERNAL_TOOLS[x][os])
+                except KeyError:
+                    pass
+            print(', '.join(sorted(tools)))
         sys.exit(0)
 
 

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