[pygobject] gtk-demo: Use textwrap to reformat description for Gtk.TextView

[Simon Feltman <sfeltman src gnome org>]

commit f0d4b963c42ac31d4d17ec0f2271940df2568644
Author: Simon Feltman <sfeltman src gnome org>
Date:   Sat Apr 27 22:30:35 2013 -0700

    gtk-demo: Use textwrap to reformat description for Gtk.TextView
    
    https://bugzilla.gnome.org/show_bug.cgi?id=698547

 demos/gtk-demo/gtk-demo.py |    8 +++++++-
 1 files changed, 7 insertions(+), 1 deletions(-)
---
diff --git a/demos/gtk-demo/gtk-demo.py b/demos/gtk-demo/gtk-demo.py
index 1025eaf..b6583c8 100755
--- a/demos/gtk-demo/gtk-demo.py
+++ b/demos/gtk-demo/gtk-demo.py
@@ -23,6 +23,7 @@
 import codecs
 import os
 import sys
+import textwrap
 
 from gi.repository import GLib, GObject, Pango, GdkPixbuf, Gtk
 
@@ -179,7 +180,12 @@ class GtkDemoWindow(Gtk.Window):
         if demo is None:
             return
 
-        description = demo.module.description
+        # Split into paragraphs based on double newlines and use
+        # textwrap to strip out all other formatting whitespace
+        description = ''
+        for paragraph in demo.module.description.split('\n\n'):
+            description += '\n'.join(textwrap.wrap(paragraph, 99999))
+            description += '\n\n'  # Add paragraphs back in
 
         f = codecs.open(demo.filename, 'rU', 'utf-8')
         code = f.read()