misc: force loading of versions cache if {{statics_hash}} is used (#14621)

combo/wsgi.py

@@ -10,5 +10,12 @@ https://docs.djangoproject.com/en/1.6/howto/deployment/wsgi/
 import os
 os.environ.setdefault("DJANGO_SETTINGS_MODULE", "combo.settings")
 
+from django.conf import settings
 from django.core.wsgi import get_wsgi_application
 application = get_wsgi_application()
+if 'hobo.context_processors.statics_hash' in settings.TEMPLATE_CONTEXT_PROCESSORS:
+    # initialize versions as soon as possible as it may be used in most
+    # requests via the statics_hash template var and we prefer not to
+    # load the information during a user request.
+    from hobo.scrutiny.wsgi.middleware import VersionMiddleware
+    VersionMiddleware.get_packages_version()

debian/debian_config.py

@@ -15,6 +15,9 @@ execfile('/usr/lib/hobo/debian_config_common.py')
 # add custom hobo agent module
 INSTALLED_APPS = ('hobo.agent.combo', ) + INSTALLED_APPS
 
+# add statics_hash context processor
+TEMPLATE_CONTEXT_PROCESSORS.append('hobo.context_processors.statics_hash')
+
 #
 # local settings
 #