class TapzSite(object):
_panels = {}
_initialized = False
def __init__(self):
self.storage = RedisOlap(
host=getattr(settings, 'OLAP_REDIS_HOST', 'localhost'),
db=getattr(settings, 'OLAP_REDIS_DB', 0),
port=getattr(settings, 'OLAP_REDIS_PORT', 6379)
)
def _auto_discover(self):
"""
Auto-discover INSTALLED_APPS panels.py modules and fail silently when
not present. This forces an import on them to register any panels they
define.
Copied from django/contrib/admin/__init__.py, Thanks!
"""
if self._initialized:
return
from django.conf import settings
from django.utils.importlib import import_module
from django.utils.module_loading import module_has_submodule
self._initialized = True
for app in settings.INSTALLED_APPS:
mod = import_module(app)
# Attempt to import the app's panels module.
try:
import_module('%s.panels' % app)
except:
# Decide whether to bubble up this error. If the app just
# doesn't have an panels module, we can ignore the error
# attempting to import it, otherwise we want it to bubble up.
if module_has_submodule(mod, 'panels'):
raise
def register(self, panel):
"""
Register a Panel class with this site. This will create the
queue in celery and start routing the events from that queue to the
given panel instance.
"""
new_instance = panel()
new_event_type = new_instance._meta.event_type
if new_event_type in self.__class__._panels:
raise Exception("Two panels with the same event type: %s" % \
new_event_type)
self.__class__._panels[new_event_type] = new_instance
self.storage.register_event(new_event_type, new_instance._meta.dimensions.keys())
def get_panel(self, event_type):
"""
Retrieve a registered panel instance by the event type it handles.
"""
self._auto_discover()
if event_type in self.__class__._panels:
return self.__class__._panels[event_type]
raise exceptions.PanelDoesNotExist("Panel '%s' does not exist" % event_type)
def make_meta(self, panel):
"Some of the meta context that templates might need"
return {'title': panel._meta.title, 'type': panel._meta.event_type}
def get_panels(self):
"Get a sorted list of panels"
self._auto_discover()
panels = []
for panel in self._panels.values():
panels.append(self.make_meta(panel))
panels.sort(key=operator.itemgetter('title'))
return panels
def __init__(self):
self.storage = RedisOlap(
host=getattr(settings, 'OLAP_REDIS_HOST', 'localhost'),
db=getattr(settings, 'OLAP_REDIS_DB', 0),
port=getattr(settings, 'OLAP_REDIS_PORT', 6379)
)
