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"""
The main DebugToolbar class that loads and renders the Toolbar.
"""
from django.template.loader import render_to_string
class DebugToolbar(object):
def __init__(self, request):
self.request = request
self.panels = []
self.panel_list = []
self.content_list = []
def load_panels(self):
"""
Populate debug panel lists from settings.DEBUG_TOOLBAR_PANELS.
"""
from django.conf import settings
from django.core import exceptions
for panel_path in settings.DEBUG_TOOLBAR_PANELS:
try:
dot = panel_path.rindex('.')
except ValueError:
raise exceptions.ImproperlyConfigured, '%s isn\'t a debug panel module' % panel_path
panel_module, panel_classname = panel_path[:dot], panel_path[dot+1:]
try:
mod = __import__(panel_module, {}, {}, [''])
except ImportError, e:
raise exceptions.ImproperlyConfigured, 'Error importing debug panel %s: "%s"' % (panel_module, e)
try:
panel_class = getattr(mod, panel_classname)
except AttributeError:
raise exceptions.ImproperlyConfigured, 'Toolbar Panel module "%s" does not define a "%s" class' % (panel_module, panel_classname)
try:
panel_instance = panel_class(self.request)
except:
raise # Bubble up problem loading panel
self.panels.append(panel_instance)
def render_toolbar(self):
"""
Renders the overall Toolbar with panels inside.
"""
return render_to_string('debug_toolbar/base.html', {'panels': self.panels})
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