[chrome-gnome-shell/feature/gettext] gettext: add placeholders information to string comments

[Yuri Konotopov <ykonotopov src gnome org>]

commit 9a837d9d15f84fcfea59f75e7c1a0d3cc619d22f
Author: Yuri Konotopov <ykonotopov gmail com>
Date:   Thu May 5 18:36:03 2016 +0300

    gettext: add placeholders information to string comments

 contrib/chrome-messages2po.py |   10 ++++++++++
 1 files changed, 10 insertions(+), 0 deletions(-)
---
diff --git a/contrib/chrome-messages2po.py b/contrib/chrome-messages2po.py
index efc6425..b06c698 100755
--- a/contrib/chrome-messages2po.py
+++ b/contrib/chrome-messages2po.py
@@ -109,6 +109,16 @@ def run():
                if 'description' in chromeMessages[messageKey]:
                        entryData['comment'] = chromeMessages[messageKey]['description']
 
+               if 'placeholders' in chromeMessages[messageKey]:
+                       if 'comment' in entryData:
+                               entryData['comment'] += '\n\n'
+                       else:
+                               entryData['comment'] = ''
+
+                       entryData['comment'] += 'String placeholders:\n'
+                       for placeholder in chromeMessages[messageKey]['placeholders']:
+                               entryData['comment'] += placeholder + '\n'
+
                po.append(polib.POEntry(**entryData))
 
        po.append(polib.POEntry(