Fail properly when the routing engine don't find a route - JS: manage routing messages

1 files changed, 5 insertions, 1 deletions

diff --git a/chimere/route.py b/chimere/route.py
index 040a7be..eaa762a 100644
--- a/chimere/route.py
+++ b/chimere/route.py
@@ -26,6 +26,7 @@ import os, re, shutil, tempfile
 from BeautifulSoup import BeautifulSoup
 from subprocess import Popen, PIPE
 from django.contrib.gis.gdal import DataSource
+from django.contrib.gis.gdal.error import OGRException
 
 from django.conf import settings
 
@@ -71,7 +72,10 @@ class RoutinoRouter(Router):
         tmp_dir = tempfile.mkdtemp(prefix='chimere_') + os.sep
         p = Popen(args, stdout=PIPE, cwd=tmp_dir)
         p.communicate()
-        ds = DataSource(tmp_dir + 'shortest-track.gpx')
+        try:
+            ds = DataSource(tmp_dir + 'shortest-track.gpx')
+        except OGRException:
+            return [], None, None
         if not ds:
             return [], None, None
         layer = ds[0]