From 717dc6815a9d4ddcd30efc17db11ade0f8f38354 Mon Sep 17 00:00:00 2001
From: bkonkle
Date: Thu, 15 Sep 2011 10:36:11 -0500
Subject: Edited all of the panels to use the stats API and not override the
 content method

---
 debug_toolbar/panels/cache.py         | 14 +++---------
 debug_toolbar/panels/headers.py       | 14 +++---------
 debug_toolbar/panels/logger.py        | 15 +++---------
 debug_toolbar/panels/profiling.py     | 27 ++++++++--------------
 debug_toolbar/panels/request_vars.py  | 19 ++++------------
 debug_toolbar/panels/settings_vars.py | 14 +++---------
 debug_toolbar/panels/signals.py       | 12 ++--------
 debug_toolbar/panels/sql.py           | 20 ++++++++--------
 debug_toolbar/panels/template.py      | 17 ++++----------
 debug_toolbar/panels/timer.py         | 43 +++++++++++++++++------------------
 debug_toolbar/panels/version.py       | 15 +++---------
 11 files changed, 67 insertions(+), 143 deletions(-)

(limited to 'debug_toolbar')

diff --git a/debug_toolbar/panels/cache.py b/debug_toolbar/panels/cache.py
index ad3f844..c9dae6d 100644
--- a/debug_toolbar/panels/cache.py
+++ b/debug_toolbar/panels/cache.py
@@ -3,9 +3,7 @@ import inspect
 
 from django.core import cache
 from django.core.cache.backends.base import BaseCache
-from django.template.loader import render_to_string
 from django.utils.translation import ugettext_lazy as _
-from debug_toolbar.middleware import DebugToolbarMiddleware
 from debug_toolbar.panels import DebugPanel
 
 class CacheStatTracker(BaseCache):
@@ -75,6 +73,7 @@ class CacheDebugPanel(DebugPanel):
     Panel that displays the cache statistics.
     """
     name = 'Cache'
+    template = 'debug_toolbar/panels/cache.html'
     has_content = True
     
     def __init__(self, *args, **kwargs):
@@ -97,15 +96,8 @@ class CacheDebugPanel(DebugPanel):
         return ''
     
     def process_response(self, request, response):
-        self.stats = {
+        self.record_stats({
             'cache_calls': len(self.cache.calls),
             'cache_time': self.cache.total_time,
             'cache': self.cache,
-        }
-        toolbar = DebugToolbarMiddleware.get_current()
-        toolbar.stats['cache'] = self.stats
-    
-    def content(self):
-        context = self.context.copy()
-        context.update(self.stats)
-        return render_to_string('debug_toolbar/panels/cache.html', context)
+        })
diff --git a/debug_toolbar/panels/headers.py b/debug_toolbar/panels/headers.py
index a88fbd9..181e88d 100644
--- a/debug_toolbar/panels/headers.py
+++ b/debug_toolbar/panels/headers.py
@@ -1,7 +1,5 @@
-from django.template.loader import render_to_string
 from django.utils.translation import ugettext_lazy as _
 from debug_toolbar.panels import DebugPanel
-from debug_toolbar.middleware import DebugToolbarMiddleware
 
 
 class HeaderDebugPanel(DebugPanel):
@@ -9,6 +7,7 @@ class HeaderDebugPanel(DebugPanel):
     A panel to display HTTP headers.
     """
     name = 'Header'
+    template = 'debug_toolbar/panels/headers.html'
     has_content = True
     # List of headers we want to display
     header_filter = (
@@ -49,13 +48,6 @@ class HeaderDebugPanel(DebugPanel):
         )
     
     def process_response(self, request, response):
-        self.stats = {
+        self.record_stats({
             'headers': self.headers
-        }
-        toolbar = DebugToolbarMiddleware.get_current()
-        toolbar.stats['headers'] = self.stats
-    
-    def content(self):
-        context = self.context.copy()
-        context.update(self.stats)
-        return render_to_string('debug_toolbar/panels/headers.html', context)
+        })
diff --git a/debug_toolbar/panels/logger.py b/debug_toolbar/panels/logger.py
index ba34700..55ae9bd 100644
--- a/debug_toolbar/panels/logger.py
+++ b/debug_toolbar/panels/logger.py
@@ -4,10 +4,8 @@ try:
     import threading
 except ImportError:
     threading = None
-from django.template.loader import render_to_string
 from django.utils.translation import ugettext_lazy as _
 from debug_toolbar.panels import DebugPanel
-from debug_toolbar.middleware import DebugToolbarMiddleware
 
 
 class LogCollector(object):
@@ -88,13 +86,14 @@ if logbook_supported:
                 'channel': record.channel,
             }
             self.collector.add_record(record)
-
+    
     
     logbook_handler = LogbookThreadTrackingHandler(collector)
     logbook_handler.push_application()        # register with logbook
 
 class LoggingPanel(DebugPanel):
     name = 'Logging'
+    template = 'debug_toolbar/panels/logger.html'
     has_content = True
     
     def process_request(self, request):
@@ -102,9 +101,7 @@ class LoggingPanel(DebugPanel):
     
     def process_response(self, request, response):
         records = self.get_and_delete()
-        self.stats = {'records': records}
-        toolbar = DebugToolbarMiddleware.get_current()
-        toolbar.stats['logger'] = self.stats
+        self.record_stats({'records': records})
     
     def get_and_delete(self):
         records = collector.get_records()
@@ -123,9 +120,3 @@ class LoggingPanel(DebugPanel):
     
     def url(self):
         return ''
-    
-    def content(self):
-        context = self.context.copy()
-        context.update(self.stats)
-        return render_to_string('debug_toolbar/panels/logger.html', context)
-
diff --git a/debug_toolbar/panels/profiling.py b/debug_toolbar/panels/profiling.py
index e08591a..8913621 100644
--- a/debug_toolbar/panels/profiling.py
+++ b/debug_toolbar/panels/profiling.py
@@ -1,9 +1,7 @@
 from __future__ import division
 
-from django.template.loader import render_to_string
 from django.utils.translation import ugettext_lazy as _
 from django.utils.safestring import mark_safe
-from debug_toolbar.middleware import DebugToolbarMiddleware
 from debug_toolbar.panels import DebugPanel
 
 try:
@@ -143,6 +141,7 @@ class ProfilingDebugPanel(DebugPanel):
     Panel that displays the Django version.
     """
     name = 'Profiling'
+    template = 'debug_toolbar/panels/profiling.html'
     has_content = True
     
     def nav_title(self):
@@ -178,16 +177,6 @@ class ProfilingDebugPanel(DebugPanel):
             out = self.profiler.runcall(view_func, *args, **view_kwargs)
         return out
     
-    def process_response(self, request, response):
-        self.profiler.create_stats()
-        self.stats = DjangoDebugToolbarStats(self.profiler)
-        if DJ_PROFILE_USE_LINE_PROFILER:
-            self.stats.line_stats = self.line_profiler.get_stats()
-        self.stats.calc_callees()
-        toolbar = DebugToolbarMiddleware.get_current()
-        toolbar.stats['profiling'] = self.stats
-        return response
-    
     def add_node(self, func_list, func, max_depth, cum_time=0.1):
         func_list.append(func)
         func.has_subfuncs = False
@@ -199,14 +188,16 @@ class ProfilingDebugPanel(DebugPanel):
                     func.has_subfuncs = True
                     self.add_node(func_list, subfunc, max_depth, cum_time=cum_time)
     
-    def content(self):
+    def process_response(self, request, response):
+        self.profiler.create_stats()
+        self.stats = DjangoDebugToolbarStats(self.profiler)
+        if DJ_PROFILE_USE_LINE_PROFILER:
+            self.stats.line_stats = self.line_profiler.get_stats()
+        self.stats.calc_callees()
+        
         root = FunctionCall(self.stats, self.stats.get_root_func(), depth=0)
         
         func_list = []
         self.add_node(func_list, root, 10, root.stats[3]/8)
-        context = self.context.copy()
-        context.update({
-            'func_list': func_list,
-        })
         
-        return render_to_string('debug_toolbar/panels/profiling.html', context)
+        self.stats_record({'func_list': func_list})
diff --git a/debug_toolbar/panels/request_vars.py b/debug_toolbar/panels/request_vars.py
index 80cd018..ee9cdc5 100644
--- a/debug_toolbar/panels/request_vars.py
+++ b/debug_toolbar/panels/request_vars.py
@@ -1,7 +1,5 @@
-from django.template.loader import render_to_string
 from django.utils.translation import ugettext_lazy as _
 
-from debug_toolbar.middleware import DebugToolbarMiddleware
 from debug_toolbar.panels import DebugPanel
 from debug_toolbar.utils import get_name_from_obj
 
@@ -10,6 +8,7 @@ class RequestVarsDebugPanel(DebugPanel):
     A panel to display request variables (POST/GET, session, cookies).
     """
     name = 'RequestVars'
+    template = 'debug_toolbar/panels/request_vars.html'
     has_content = True
     
     def __init__(self, *args, **kwargs):
@@ -36,11 +35,11 @@ class RequestVarsDebugPanel(DebugPanel):
         self.view_kwargs = view_kwargs
     
     def process_response(self, request, response):
-        self.stats = {
+        self.record_stats({
             'get': [(k, self.request.GET.getlist(k)) for k in self.request.GET],
             'post': [(k, self.request.POST.getlist(k)) for k in self.request.POST],
             'cookies': [(k, self.request.COOKIES.get(k)) for k in self.request.COOKIES],
-        }
+        })
         
         if hasattr(self, 'view_func'):
             if self.view_func is not None:
@@ -48,21 +47,13 @@ class RequestVarsDebugPanel(DebugPanel):
             else:
                 name = '<no view>'
             
-            self.stats.update({
+            self.record_stats({
                 'view_func': name,
                 'view_args': self.view_args,
                 'view_kwargs': self.view_kwargs
             })
         
         if hasattr(self.request, 'session'):
-            self.stats.update({
+            self.record_stats({
                 'session': [(k, self.request.session.get(k)) for k in self.request.session.iterkeys()]
             })
-        
-        toolbar = DebugToolbarMiddleware.get_current()
-        toolbar.stats['request_vars'] = self.stats
-    
-    def content(self):
-        context = self.context.copy()
-        context.update(self.stats)
-        return render_to_string('debug_toolbar/panels/request_vars.html', context)
diff --git a/debug_toolbar/panels/settings_vars.py b/debug_toolbar/panels/settings_vars.py
index 029496e..e154dda 100644
--- a/debug_toolbar/panels/settings_vars.py
+++ b/debug_toolbar/panels/settings_vars.py
@@ -1,8 +1,6 @@
 from django.conf import settings
-from django.template.loader import render_to_string
 from django.views.debug import get_safe_settings
 from django.utils.translation import ugettext_lazy as _
-from debug_toolbar.middleware import DebugToolbarMiddleware
 from debug_toolbar.panels import DebugPanel
 
 
@@ -11,6 +9,7 @@ class SettingsVarsDebugPanel(DebugPanel):
     A panel to display all variables in django.conf.settings
     """
     name = 'SettingsVars'
+    template = 'debug_toolbar/panels/settings_vars.html'
     has_content = True
     
     def nav_title(self):
@@ -23,13 +22,6 @@ class SettingsVarsDebugPanel(DebugPanel):
         return ''
     
     def process_response(self, request, response):
-        self.stats = {
+        self.record_stats({
             'settings': get_safe_settings(),
-        }
-        toolbar = DebugToolbarMiddleware.get_current()
-        toolbar.stats['settings_vars'] = self.stats
-    
-    def content(self):
-        context = self.context.copy()
-        context.update(self.stats)
-        return render_to_string('debug_toolbar/panels/settings_vars.html', context)
+        })
diff --git a/debug_toolbar/panels/signals.py b/debug_toolbar/panels/signals.py
index 9855299..205b3c5 100644
--- a/debug_toolbar/panels/signals.py
+++ b/debug_toolbar/panels/signals.py
@@ -6,7 +6,6 @@ from django.core.signals import request_started, request_finished, \
 from django.db.models.signals import class_prepared, pre_init, post_init, \
     pre_save, post_save, pre_delete, post_delete, post_syncdb
 from django.dispatch.dispatcher import WEAKREF_TYPES
-from django.template.loader import render_to_string
 from django.utils.translation import ugettext_lazy as _
 
 try:
@@ -14,11 +13,11 @@ try:
 except ImportError:
     connection_created = None
 
-from debug_toolbar.middleware import DebugToolbarMiddleware
 from debug_toolbar.panels import DebugPanel
 
 class SignalDebugPanel(DebugPanel):
     name = "Signals"
+    template = 'debug_toolbar/panels/signals.html'
     has_content = True
     
     SIGNALS = {
@@ -82,11 +81,4 @@ class SignalDebugPanel(DebugPanel):
                 receivers.append(text)
             signals.append((name, signal, receivers))
         
-        self.stats = {'signals': signals}
-        toolbar = DebugToolbarMiddleware.get_current()
-        toolbar.stats['signals'] = self.stats
-    
-    def content(self):
-        context = self.context.copy()
-        context.update(self.stats)
-        return render_to_string('debug_toolbar/panels/signals.html', context)
+        self.record_stats({'signals': signals})
diff --git a/debug_toolbar/panels/sql.py b/debug_toolbar/panels/sql.py
index 9527410..188e1eb 100644
--- a/debug_toolbar/panels/sql.py
+++ b/debug_toolbar/panels/sql.py
@@ -2,7 +2,6 @@ import re
 import uuid
 
 from django.db.backends import BaseDatabaseWrapper
-from django.template.loader import render_to_string
 from django.utils.html import escape
 from django.utils.safestring import mark_safe
 from django.utils.translation import ugettext_lazy as _, ungettext_lazy as __
@@ -14,6 +13,7 @@ from debug_toolbar.utils import sqlparse
 from debug_toolbar.utils.tracking.db import CursorWrapper
 from debug_toolbar.utils.tracking import replace_call
 
+
 # Inject our tracking cursor
 @replace_call(BaseDatabaseWrapper.cursor)
 def cursor(func, self):
@@ -26,6 +26,7 @@ def cursor(func, self):
     
     return CursorWrapper(result, self, logger=logger)
 
+
 def get_isolation_level_display(engine, level):
     if engine == 'psycopg2':
         import psycopg2.extensions
@@ -41,6 +42,7 @@ def get_isolation_level_display(engine, level):
     
     return choices.get(level)
 
+
 def get_transaction_status_display(engine, level):
     if engine == 'psycopg2':
         import psycopg2.extensions
@@ -56,12 +58,14 @@ def get_transaction_status_display(engine, level):
     
     return choices.get(level)
 
+
 class SQLDebugPanel(DebugPanel):
     """
     Panel that displays information about the SQL queries run while processing
     the request.
     """
     name = 'SQL'
+    template = 'debug_toolbar/panels/sql.html'
     has_content = True
     
     def __init__(self, *args, **kwargs):
@@ -205,18 +209,12 @@ class SQLDebugPanel(DebugPanel):
             if trans_id:
                 self._queries[i-1][1]['ends_trans'] = True
         
-        self.stats = {
+        self.record_stats({
             'databases': sorted(self._databases.items(), key=lambda x: -x[1]['time_spent']),
             'queries': [q for a, q in self._queries],
             'sql_time': self._sql_time,
-        }
-        toolbar = DebugToolbarMiddleware.get_current()
-        toolbar.stats['sql'] = self.stats
-    
-    def content(self):
-        context = self.context.copy()
-        context.update(self.stats)
-        return render_to_string('debug_toolbar/panels/sql.html', context)
+        })
+
 
 class BoldKeywordFilter(sqlparse.filters.Filter):
     """sqlparse filter to bold SQL keywords"""
@@ -230,10 +228,12 @@ class BoldKeywordFilter(sqlparse.filters.Filter):
             if is_keyword:
                 yield sqlparse.tokens.Text, '</strong>'
 
+
 def swap_fields(sql):
     return re.sub('SELECT</strong> (.*) <strong>FROM', 'SELECT</strong> <a class="djDebugUncollapsed djDebugToggle" href="#">&bull;&bull;&bull;</a> ' +
         '<a class="djDebugCollapsed djDebugToggle" href="#">\g<1></a> <strong>FROM', sql)
 
+
 def reformat_sql(sql):
     stack = sqlparse.engine.FilterStack()
     stack.preprocess.append(BoldKeywordFilter()) # add our custom filter
diff --git a/debug_toolbar/panels/template.py b/debug_toolbar/panels/template.py
index d0ab6cc..41e0afc 100644
--- a/debug_toolbar/panels/template.py
+++ b/debug_toolbar/panels/template.py
@@ -4,10 +4,8 @@ from pprint import pformat
 from django import http
 from django.conf import settings
 from django.template.context import get_standard_processors
-from django.template.loader import render_to_string
 from django.test.signals import template_rendered
 from django.utils.translation import ugettext_lazy as _
-from debug_toolbar.middleware import DebugToolbarMiddleware
 from debug_toolbar.panels import DebugPanel
 
 # Code taken and adapted from Simon Willison and Django Snippets:
@@ -28,6 +26,7 @@ else:
         Template.original_render = Template._render
         Template._render = instrumented_test_render
 
+
 # MONSTER monkey-patch
 old_template_init = Template.__init__
 def new_template_init(self, template_string, origin=None, name='<Unknown Template>'):
@@ -35,11 +34,13 @@ def new_template_init(self, template_string, origin=None, name='<Unknown Templat
     self.origin = origin
 Template.__init__ = new_template_init
 
+
 class TemplateDebugPanel(DebugPanel):
     """
     A panel that lists all templates used during processing of a response.
     """
     name = 'Template'
+    template = 'debug_toolbar/panels/templates.html'
     has_content = True
     
     def __init__(self, *args, **kwargs):
@@ -118,16 +119,8 @@ class TemplateDebugPanel(DebugPanel):
                 info['context'] = '\n'.join(context_list)
             template_context.append(info)
         
-        self.stats = {
+        self.record_stats({
             'templates': template_context,
             'template_dirs': [normpath(x) for x in settings.TEMPLATE_DIRS],
             'context_processors': context_processors,
-        }
-        
-        toolbar = DebugToolbarMiddleware.get_current()
-        toolbar.stats['template'] = self.stats
-    
-    def content(self):
-        context = self.context.copy()
-        context.update(self.stats)
-        return render_to_string('debug_toolbar/panels/templates.html', context)
+        })
diff --git a/debug_toolbar/panels/timer.py b/debug_toolbar/panels/timer.py
index 466e5c0..7c0febf 100644
--- a/debug_toolbar/panels/timer.py
+++ b/debug_toolbar/panels/timer.py
@@ -5,14 +5,15 @@ except ImportError:
 import time
 from django.template.loader import render_to_string
 from django.utils.translation import ugettext_lazy as _
-from debug_toolbar.middleware import DebugToolbarMiddleware
 from debug_toolbar.panels import DebugPanel
 
+
 class TimerDebugPanel(DebugPanel):
     """
     Panel that displays the time a response took in milliseconds.
     """
     name = 'Timer'
+    template = 'debug_toolbar/panels/timer.html'
     try: # if resource module not available, don't show content panel
         resource
     except NameError:
@@ -50,7 +51,7 @@ class TimerDebugPanel(DebugPanel):
 #        urss = self._end_rusage.ru_idrss
 #        usrss = self._end_rusage.ru_isrss
         
-        self.stats = {
+        self.record_stats({
             'total_time': total_time,
             'utime': utime,
             'stime': stime,
@@ -65,22 +66,21 @@ class TimerDebugPanel(DebugPanel):
 #            'urss': urss,
 #            'srss': srss,
 #            'usrss': usrss,
-        }
-        
-        toolbar = DebugToolbarMiddleware.get_current()
-        toolbar.stats['timer'] = self.stats
+        })
     
     def nav_title(self):
         return _('Time')
     
     def nav_subtitle(self):
+        stats = self.get_stats()
+        
         # TODO l10n
         if self.has_resource:
             utime = self._end_rusage.ru_utime - self._start_rusage.ru_utime
             stime = self._end_rusage.ru_stime - self._start_rusage.ru_stime
-            return 'CPU: %0.2fms (%0.2fms)' % ((utime + stime) * 1000.0, self.stats['total_time'])
+            return 'CPU: %0.2fms (%0.2fms)' % ((utime + stime) * 1000.0, stats['total_time'])
         else:
-            return 'TOTAL: %0.2fms' % (self.stats[total_time])
+            return 'TOTAL: %0.2fms' % (stats['total_time'])
     
     def title(self):
         return _('Resource Usage')
@@ -92,22 +92,21 @@ class TimerDebugPanel(DebugPanel):
         return getattr(self._end_rusage, name) - getattr(self._start_rusage, name)
     
     def content(self):
+        stats = self.get_stats()
+        
         # TODO l10n on values
         rows = (
-            (_('User CPU time'), '%0.3f msec' % self.stats['utime']),
-            (_('System CPU time'), '%0.3f msec' % self.stats['stime']),
-            (_('Total CPU time'), '%0.3f msec' % (self.stats['utime'] + self.stats['stime'])),
-            (_('Elapsed time'), '%0.3f msec' % self.stats['total_time']),
-            (_('Context switches'), '%d voluntary, %d involuntary' % (self.stats['vcsw'], self.stats['ivcsw'])),
-#            ('Memory use', '%d max RSS, %d shared, %d unshared' % (self.stats['rss'], self.stats.['srss'],
-#                                                                   self.stats['urss'] + self.stats['usrss'])),
-#            ('Page faults', '%d no i/o, %d requiring i/o' % (self.stats['minflt'], self.stats['majflt'])),
-#            ('Disk operations', '%d in, %d out, %d swapout' % (self.stats['blkin'], self.stats['blkout'], self.stats['swap'])),
+            (_('User CPU time'), '%0.3f msec' % stats['utime']),
+            (_('System CPU time'), '%0.3f msec' % stats['stime']),
+            (_('Total CPU time'), '%0.3f msec' % (stats['utime'] + stats['stime'])),
+            (_('Elapsed time'), '%0.3f msec' % stats['total_time']),
+            (_('Context switches'), '%d voluntary, %d involuntary' % (stats['vcsw'], stats['ivcsw'])),
+#            ('Memory use', '%d max RSS, %d shared, %d unshared' % (stats['rss'], stats.['srss'],
+#                                                                   stats['urss'] + stats['usrss'])),
+#            ('Page faults', '%d no i/o, %d requiring i/o' % (stats['minflt'], stats['majflt'])),
+#            ('Disk operations', '%d in, %d out, %d swapout' % (stats['blkin'], stats['blkout'], stats['swap'])),
         )
         
         context = self.context.copy()
-        context.update({
-            'rows': rows,
-        })
-        
-        return render_to_string('debug_toolbar/panels/timer.html', context)
+        context.update({'rows': rows,})
+        return render_to_string(self.template, context)
diff --git a/debug_toolbar/panels/version.py b/debug_toolbar/panels/version.py
index 6a7c54e..4e58971 100644
--- a/debug_toolbar/panels/version.py
+++ b/debug_toolbar/panels/version.py
@@ -2,10 +2,8 @@ import sys
 
 import django
 from django.conf import settings
-from django.template.loader import render_to_string
 from django.utils.translation import ugettext_lazy as _
 
-from debug_toolbar.middleware import DebugToolbarMiddleware
 from debug_toolbar.panels import DebugPanel
 
 
@@ -14,6 +12,7 @@ class VersionDebugPanel(DebugPanel):
     Panel that displays the Django version.
     """
     name = 'Version'
+    template = 'debug_toolbar/panels/versions.html'
     has_content = True
     
     def nav_title(self):
@@ -51,15 +50,7 @@ class VersionDebugPanel(DebugPanel):
                 version = '.'.join(str(o) for o in version)
             versions[name] = version
         
-        self.stats = {
+        self.record_stats({
             'versions': versions,
             'paths': sys.path,
-        }
-        
-        toolbar = DebugToolbarMiddleware.get_current()
-        toolbar.stats['version'] = self.stats
-    
-    def content(self):
-        context = self.context.copy()
-        context.update(self.stats)
-        return render_to_string('debug_toolbar/panels/versions.html', context)
+        })
-- 
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