diff options
Diffstat (limited to 'debug_toolbar/panels/cache.py')
| -rw-r--r-- | debug_toolbar/panels/cache.py | 24 |
1 files changed, 13 insertions, 11 deletions
diff --git a/debug_toolbar/panels/cache.py b/debug_toolbar/panels/cache.py index 620be86..ace343b 100644 --- a/debug_toolbar/panels/cache.py +++ b/debug_toolbar/panels/cache.py @@ -6,12 +6,13 @@ from django.core.cache.backends.base import BaseCache from django.utils.translation import ugettext_lazy as _ from debug_toolbar.panels import DebugPanel + class CacheStatTracker(BaseCache): """A small class used to track cache calls.""" def __init__(self, cache): self.cache = cache self.reset() - + def reset(self): self.calls = [] self.hits = 0 @@ -21,11 +22,11 @@ class CacheStatTracker(BaseCache): self.get_many = 0 self.deletes = 0 self.total_time = 0 - + def _get_func_info(self): stack = inspect.stack()[2] return (stack[1], stack[2], stack[3], stack[4]) - + def get(self, key, default=None): t = time.time() value = self.cache.get(key, default) @@ -38,7 +39,7 @@ class CacheStatTracker(BaseCache): self.gets += 1 self.calls.append((this_time, 'get', (key,), self._get_func_info())) return value - + def set(self, key, value, timeout=None): t = time.time() self.cache.set(key, value, timeout) @@ -46,7 +47,7 @@ class CacheStatTracker(BaseCache): self.total_time += this_time * 1000 self.sets += 1 self.calls.append((this_time, 'set', (key, value, timeout), self._get_func_info())) - + def delete(self, key): t = time.time() self.cache.delete(key) @@ -54,7 +55,7 @@ class CacheStatTracker(BaseCache): self.total_time += this_time * 1000 self.deletes += 1 self.calls.append((this_time, 'delete', (key,), self._get_func_info())) - + def get_many(self, keys): t = time.time() results = self.cache.get_many(keys) @@ -68,6 +69,7 @@ class CacheStatTracker(BaseCache): self.hits += 1 self.calls.append((this_time, 'get_many', (keys,), self._get_func_info())) + class CacheDebugPanel(DebugPanel): """ Panel that displays the cache statistics. @@ -75,7 +77,7 @@ class CacheDebugPanel(DebugPanel): name = 'Cache' template = 'debug_toolbar/panels/cache.html' has_content = True - + def __init__(self, *args, **kwargs): super(CacheDebugPanel, self).__init__(*args, **kwargs) # This is hackish but to prevent threading issues is somewhat needed @@ -85,16 +87,16 @@ class CacheDebugPanel(DebugPanel): else: self.cache = CacheStatTracker(cache.cache) cache.cache = self.cache - + def nav_title(self): return _('Cache: %.2fms') % self.cache.total_time - + def title(self): return _('Cache Usage') - + def url(self): return '' - + def process_response(self, request, response): self.record_stats({ 'cache_calls': len(self.cache.calls), |