From 068f218cd7d6115b35a9e3735549639a026b77b2 Mon Sep 17 00:00:00 2001
From: Walter Bender <walter@sugarlabs.org>
Date: Sun, 26 May 2013 12:15:08 +0000
Subject: more robust levels detection

---
diff --git a/TurtleArtActivity.py b/TurtleArtActivity.py
index ca85141..5b18ccb 100644
--- a/TurtleArtActivity.py
+++ b/TurtleArtActivity.py
@@ -51,6 +51,7 @@ from sugar.datastore import datastore
 from sugar import profile
 
 import os
+import glob
 import tarfile
 import subprocess
 import ConfigParser
@@ -1607,18 +1608,13 @@ in order to use the plugin.'))
 
     def _get_levels(self, path):
         ''' Look for level files in lessons directory. '''
+        levels = glob.glob(os.path.join(activity.get_bundle_path(),
+                                        'challenges', '*.svg'))
+
         level_files = []
-        """
-        if path is not None:
-            candidates = os.listdir(os.path.join(path, 'challenges'))
-            for filename in candidates:
-                level_files.append(filename.split('.')[0])
-        """
-        for i in range(40):
+        for i in range(len(levels)):
             level_files.append('amazonas-%d' % (i+1))
 
-        '''
-        '''
         self.offsets = {}
         offset_fd = open(os.path.join(activity.get_bundle_path(), 'challenges',
                                       'offsets'))
diff --git a/turtleblocks.py b/turtleblocks.py
index deab429..ce1e5f5 100755
--- a/turtleblocks.py
+++ b/turtleblocks.py
@@ -31,6 +31,7 @@ import getopt
 import sys
 import os
 import os.path
+import glob
 import cStringIO
 import errno
 import ConfigParser
@@ -427,7 +428,7 @@ return %s(self)" % (p, P, P)
         self._level = 0
         self._levels = self._get_levels()
         self._custom_filepath = None
-        for i in range(40):
+        for i in range(len(self._levels)):
             MenuBuilder.make_menu_item(menu, _('Challenge') + ' ' + str(i + 1),
                                        self._do_level_cb, i)
         turtle_menu = MenuBuilder.make_sub_menu(menu, _('Challenges'))
@@ -701,9 +702,11 @@ Would you like to save before quitting?'))
 
     def _get_levels(self):
         ''' Look for level files in lessons directory. '''
-        level_files = []
+        levels = glob.glob(os.path.join(activity.get_bundle_path(),
+                                        'challenges', '*.svg'))
 
-        for i in range(40):
+        level_files = []
+        for i in range(len(levels)):
             level_files.append('amazonas-%d' % (i+1))
 
         self.offsets = {}
--
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