#20368: MemoryError can block rendering of traceback page
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Reporter: ironfroggy | Owner: nobody
Type: Cleanup/optimization | Status: new
Component: Template system | Version: 1.3
Severity: Normal | Resolution:
Keywords: | Triage Stage: Accepted
Has patch: 1 | Needs documentation: 0
Needs tests: 0 | Patch needs improvement: 1
Easy pickings: 0 | UI/UX: 0
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Comment (by wdoekes):
Here, my fix from #20534:
{{{
--- django/views/debug.py.orig 2013-05-31 13:02:36.807798172 +0200
+++ django/views/debug.py 2013-05-31 13:01:52.555274822 +0200
@@ -244,7 +244,17 @@ class ExceptionReporter(object):
frames = self.get_traceback_frames()
for i, frame in enumerate(frames):
if 'vars' in frame:
- frame['vars'] = [(k, force_escape(pprint(v))) for k, v in
frame['vars']]
+ vars = []
+ for k, v in frame['vars']:
+ v = pprint(v)
+ # The force_escape filter assume unicode, make sure
that works
+ if isinstance(v, str):
+ v = v.decode('utf-8', 'replace') # don't choke
on non-utf-8 input
+ # You may be looking at large blobs of data, trim it
+ if len(v) > 4096:
+ v = u'%s... <trimmed %d bytes string>' %
(v[0:4096], len(v))
+ vars.append((k, force_escape(v)))
+ frame['vars'] = vars
frames[i] = frame
unicode_hint = ''
}}}
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Ticket URL: <https://code.djangoproject.com/ticket/20368#comment:8>
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