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from __future__ import unicode_literals
from django.template.defaultfilters import slugify
from django.template.loader import render_to_string
class DebugPanel(object):
"""
Base class for debug panels.
"""
# name = 'Base'
# template = 'debug_toolbar/panels/base.html'
# If content returns something, set to True in subclass
has_content = False
# We'll maintain a local context instance so we can expose our template
# context variables to panels which need them:
context = {}
# Panel methods
def __init__(self, toolbar, context={}):
self.toolbar = toolbar
self.context.update(context)
self.slug = slugify(self.name)
def content(self):
if self.has_content:
context = self.context.copy()
context.update(self.get_stats())
return render_to_string(self.template, context)
def dom_id(self):
return 'djDebug%sPanel' % (self.name.replace(' ', ''))
def enabled(self):
return self.toolbar.request.COOKIES.get(self.dom_id(), 'on') == 'on'
# URLs for panel-specific views
@classmethod
def get_urls(cls):
return []
# Titles and subtitles
def nav_title(self):
"""Title showing in sidebar"""
raise NotImplementedError
def nav_subtitle(self):
"""Subtitle showing under title in sidebar"""
return ''
def title(self):
"""Title showing in panel"""
raise NotImplementedError
# Enable and disable (expensive) instrumentation, must be idempotent
def enable_instrumentation(self):
pass
def disable_instrumentation(self):
pass
# Store and retrieve stats (shared between panels)
def record_stats(self, stats):
panel_stats = self.toolbar.stats.get(self.slug)
if panel_stats:
panel_stats.update(stats)
else:
self.toolbar.stats[self.slug] = stats
def get_stats(self):
return self.toolbar.stats.get(self.slug, {})
# Standard middleware methods
def process_request(self, request):
pass
def process_view(self, request, view_func, view_args, view_kwargs):
pass
def process_response(self, request, response):
pass
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