Prettify the output by running it through xmllint --format if xmllint is

2007-06-28  Johan Dahlin  <jdahlin@async.com.br>

    * gtk/gtk-builder-convert (_indent): Prettify the output by
    running it through xmllint --format if xmllint is available 
    which also requires the subprocess module only available 
    in python 2.4 or later


svn path=/trunk/; revision=18281

ChangeLog

@@ -1,3 +1,10 @@
+2007-06-28  Johan Dahlin  <jdahlin@async.com.br>
+
+	* gtk/gtk-builder-convert (_indent): Prettify the output by
+	running it through xmllint --format if xmllint is available 
+	which also requires the subprocess module only available 
+	in python 2.4 or later
+
 2007-06-28  Christian Persch  <chpe@gnome.org>
 
 	* gtk/gtkvolumebutton.c: (gtk_volume_button_class_init),

gtk/gtk-builder-convert

@@ -25,10 +25,18 @@
 #  GtkTextView.text -> GtkTextBuffer
 #  Toolbars
 
+import os
 import sys
 
 from xml.dom import minidom, Node
 
+# The subprocess is only available in Python 2.4+
+try:
+    import subprocess
+    subprocess # pyflakes
+except ImportError:
+    subprocess = None
+
 def get_child_nodes(node):
     nodes = []
     for child in node.childNodes:
@@ -354,14 +362,34 @@ class GtkBuilderConverter(object):
             widget.getAttributeNode("constructor").value = parent_id
         node.removeAttribute("id")
 
+def _indent(output):
+    if not subprocess:
+        return output
+
+    for directory in os.environ['PATH'].split(os.pathsep):
+        filename = os.path.join(directory, 'xmllint')
+        if os.path.exists(filename):
+            break
+    else:
+        return output
+
+    s = subprocess.Popen([filename, '--format', '-'],
+                         stdin=subprocess.PIPE,
+                         stdout=subprocess.PIPE)
+    s.stdin.write(output)
+    s.stdin.close()
+    return s.stdout.read()
+
 
 def main():
     if len(sys.argv) < 2:
-        print "Usage: %s filename.glade" % (sys.argv[0],)
+        raise SystemExit("Usage: %s filename.glade" % (sys.argv[0],))
-        return
+
     conv = GtkBuilderConverter()
     conv.parse_file(sys.argv[1])
-    print conv.to_xml()
+
+    xml = conv.to_xml()
+    print _indent(xml)
 
 if __name__ == "__main__":
     main()