From 6cb0937a6f57cd3644669c366dece6a50950d766 Mon Sep 17 00:00:00 2001
From: Étienne Loks <etienne.loks@peacefrogs.net>
Date: Thu, 28 Mar 2013 18:29:44 +0100
Subject: Fix conditionnal parameters for routing

---
 chimere/forms.py                     | 10 ++++++++--
 chimere/templatetags/chimere_tags.py |  2 ++
 chimere/urls.py                      |  8 +++++++-
 chimere/views.py                     |  3 ++-
 4 files changed, 19 insertions(+), 4 deletions(-)

diff --git a/chimere/forms.py b/chimere/forms.py
index 22cdc8f..655bbd3 100644
--- a/chimere/forms.py
+++ b/chimere/forms.py
@@ -603,13 +603,19 @@ class AreaForm(AreaAdminForm):
     class Meta:
         model = Area
 
-CHIMERE_ROUTING_TRANSPORT = [(idx, _(lbl))
+CHIMERE_ROUTING_TRANSPORT = []
+ROUTING_INIT = None
+if hasattr(settings, 'CHIMERE_ROUTING_TRANSPORT'):
+    CHIMERE_ROUTING_TRANSPORT = [(idx, _(lbl))
                              for idx, lbl in settings.CHIMERE_ROUTING_TRANSPORT]
+    if CHIMERE_ROUTING_TRANSPORT:
+        ROUTING_INIT = CHIMERE_ROUTING_TRANSPORT[0][0]
+
 
 class RoutingForm(forms.Form):
     transport = forms.ChoiceField(label='', widget=ButtonSelectWidget,
                                choices=CHIMERE_ROUTING_TRANSPORT,
-                               initial=CHIMERE_ROUTING_TRANSPORT[0][0])
+                               initial=ROUTING_INIT)
     start = forms.CharField(label=_(u"Start"), widget=NominatimWidget)
     end = forms.CharField(label=_(u"Finish"), widget=NominatimWidget)
     speed = forms.ChoiceField(label=_(u"Speed"), choices=[],
diff --git a/chimere/templatetags/chimere_tags.py b/chimere/templatetags/chimere_tags.py
index 14860b8..ed835a8 100644
--- a/chimere/templatetags/chimere_tags.py
+++ b/chimere/templatetags/chimere_tags.py
@@ -164,6 +164,8 @@ def map_menu(context):
 
 @register.inclusion_tag('chimere/blocks/routing.html', takes_context=True)
 def routing(context):
+    if not settings.CHIMERE_ENABLE_ROUTING:
+        return {'routing':False}
     context_data =  {
          'routing':settings.CHIMERE_ENABLE_ROUTING,
          'itinerary_form':context['itinerary_form'],
diff --git a/chimere/urls.py b/chimere/urls.py
index aa95921..164ef68 100644
--- a/chimere/urls.py
+++ b/chimere/urls.py
@@ -20,6 +20,7 @@
 from django.conf import settings
 from django.conf.urls.defaults import *
 from django.contrib import admin
+from django.core.exceptions import ImproperlyConfigured
 admin.autodiscover()
 
 from chimere.models import Area
@@ -51,7 +52,12 @@ if settings.CHIMERE_FEEDS:
             LatestPOIsByZoneID(), name='feeds-areaid'),
     )
 
-if settings.CHIMERE_ENABLE_ROUTING:
+if hasattr(settings, 'CHIMERE_ENABLE_ROUTING') \
+   and settings.CHIMERE_ENABLE_ROUTING:
+    if not hasattr(settings, 'CHIMERE_ROUTING_TRANSPORT') \
+      or not settings.CHIMERE_ROUTING_TRANSPORT:
+        raise ImproperlyConfigured(u"CHIMERE_ROUTING_TRANSPORT must be set in"\
+                                   u" settings if you enable routing")
     urlpatterns += patterns('chimere.views',
         url(r'^(?P<area_name>[a-zA-Z0-9_-]*/)?route/'\
             r'(?P<transport>(%s))/((?P<speed>[0-9][0-9]*)/)?'
diff --git a/chimere/views.py b/chimere/views.py
index a8c3f19..f6e3f84 100644
--- a/chimere/views.py
+++ b/chimere/views.py
@@ -174,10 +174,11 @@ def index(request, area_name=None, default_area=None, simple=False,
          'map_layer':settings.CHIMERE_DEFAULT_MAP_LAYER,
          'dynamic_categories':response_dct['dynamic_categories'],
          'zoomout':zoomout,
-         'contact_email':settings.CONTACT_EMAIL,
          'has_default_area':Area.objects.filter(default=True).count(),
          'zoomout':zoomout
         })
+    if settings.CONTACT_EMAIL:
+        response_dct['contact_email'] = settings.CONTACT_EMAIL
     response_dct['share_networks'], net_dct = \
                    getShareNetwork(request, response_dct['area_name'])
     tpl = 'chimere/main_map.html'
-- 
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