I am trying to cache a small thumbnail image. The code is a bit
extensive, but the part this is breaking is that I am opening the
image file, then this:
cache.set('thumbnail_file', image_file.read())
when I go to retrieve the image with:
cache.get('thumbnail_file')
I get this traceback:
Traceback (most recent call last):
File "/home/django-code/aubrey_ark/tests.py", line 48, in
testResourceObject
ro = ResourceObject(self.meta_id)
File "/home/django-code/aubrey_ark/resource_handler.py", line 102,
in __init__
cache.get(self.meta_id+'_thumbnail')
File "/usr/lib/python2.5/site-packages/django/core/cache/backends/
memcached.py", line 30, in get
return smart_unicode(val)
File "/usr/lib/python2.5/site-packages/django/utils/encoding.py",
line 35, in smart_unicode
return force_unicode(s, encoding, strings_only, errors)
File "/usr/lib/python2.5/site-packages/django/utils/encoding.py",
line 70, in force_unicode
raise DjangoUnicodeDecodeError(s, *e.args)
DjangoUnicodeDecodeError: 'utf8' codec can't decode byte 0xff in
position 0: unexpected code byte. You passed in '\xff\xd8\xff
\xe0\x00\x10JFIF\x00\x01\x01\x01\x01,\x01,\x00\x00\xff\xfe\x00
{FWv4-47_1, Tue Jul 18, 2006, 2:37:50 PM, 8G, 7710x10590,
(1578+1912), 125%, Repro 2.2 v2, 1/100 s, R63.1, G54.9, B68.2\xff\xdb
\x00C\x00\x08\x06\x06\x07\x06\x05\x08\x07\x07\x07\t\t\x08\n\x0c\x14\r
\x0c\x0b\x0b\x0c\x19\x12\x13\x0f\x14\x1d\x1a\x1f\x1e\x1d\x1a\x1c\x1c $.
\' ",#\x1c\x1c(7),01444\x1f\'9=82<.342\xff\xc0\x00\x0b\x08\x00Z\x00=
\x01\x01\x11\x00\xff\xc4\x00\x1a
\x00\x00\x02\x03\x01\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x03\x01\x05\x06\x04\x00\xff
\xc4\x00A\x10\x00\x01\x03\x02\x04\x01\x07\t
\x04\x08\x07\x00\x00\x00\x00\x00\x01\x02\x03\x11\x00\x04\x05\x12!1A
\x06\x13Qaq\xc2\xd1\x14\x15"#2B\x83\x91\xa13\xb2\xc1\xf0$DRSr
\x81\xe1\xf1bct\x82\x92\x93\xb1\xff\xda\x00\x08\x01\x01\x00\x00?
\x00\xbf\xc4\xb1\xccM\x9b\xfb\xa8\xbeu\x08\x0f-)JN\x83S\x02\xb8\xd1\xca
\x0can\x04\xaa\xea\xe4\x08\x9c\xc1\x7f\xd2\x8b\xcf\xb8\x8a\x94\x13\xe7+
\x82\xa3\xc0:I\xfaR\\\xc6\xf12\xe1Joo\x08N\xe7\xca\x145\xa6\'\x14\xbfX
\x91\x88_\x1d?~\xaf\x1a\x95__+\xf5\xcb\xc3\xd3\xeb\xd5\xe3I]\xe3\xceBM
\xed\xc9\xcc`E\xc2\x8e\xb1<[EMAIL PROTECTED]
[EMAIL PROTECTED]'@
\'\xe7\xd94L\xd8)\xb6\xc9Y\xcf1\xb0\xe2&#\xa2\x96\xeb\x84-\xc1*L,
\xa8\xf6S\xa5m0\x84\xa1*Qq\xbc\xa4\xfe\xcf_\xcdC\xe5B\xb6^t
\x94\xb9\x9f!J\x92\x91\xa0L\xec\x0cxkR\x10Sx\xd6\xe6W\x9b(\x04\xc0\xcb
\x97U\x1f\n\xdd\xf2\x18k\x88\t\xe2\xdfz\xa81\x04f\xc4o\x04\x81\xeb
\xd7\xb8\x9fx\xd2\x92\x80\x94\x15Cd\xc7\xec\xeah\xfc\x95\xd2\x00\xca
\xce\x9d\xa6\xb8\x1c\xe6\xd5t\x869\xb6\xd4\xe2\xd4\xa19DJbxu\x8a!x\xda
[EMAIL PROTECTED]
\x83I\xa3y\xa7\x9bA\\4\x02u\x84\xff\x00j\xd4r zx\x8f\xc3\xefU
\x05\xf0\xcd\x89\xdd\xff\x00\xa8s\xef\x1aY\x1e\x87\x1d\xc7\x1a\xeaZ
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\x15\xa2\xe4v`\xee!\x03~o\xbdTW\xdabWpg\xf4\x874\x1c=#K9\xf2\xec\xad
[EMAIL PROTECTED]>
\x15 \xa93\xea\xc2`\x03\xe9(\x88\xeb;iB\xa0\xb5*r\'\xa3\xda\xa5>
\x82\x1b\\\x84\xec}\xe0xV\xa3\x91\xc5Iv\xfe\x7f\xcb\xefVz\xf0N#u
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\xd1\x92\xe2\x94\x846\x98\x04\x94\xed&6\x03\xa6\xb9\x8d
\xfb2\x14\x16\x08:Hl\xef\xafWQ\xa9n\xf5\xa7\xdeJP\xb4\x97\x0fKg
\xc2\x96\x8cI\x87a!\xd4\xca\x95\x94\x0el\xef1\xd1]\x0f\xa4\x8bu
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\xd8\x13\xf6\xee}\xe3^\xce\xa0$\x02cZ\x97\\/\xa4\xa5l\x856c2L
\x19\x8aO4\x90\x9c\xa1\x94\xe5\xd3\xe8\x08\xfch\xd0\x84"\x14\x86P\x08
\x8d\xb8\x7fsHS\t\x19\xb2\xb0\xd2A\xea\x14\xc0\xf3\x8al
\xa0\xa5:\x88\x076\xa0~5\xa7\xe4\x84)\xcb\xff\x00\x87\xde\xac\xa5\xea
\x8aqK\xb4\x9d!\xf5\xc8?\xc4hR\xb0\x0e\xa4Gm\x17;[EMAIL PROTECTED]
\xbac\x85HtD\x05\t\xa8.\xe9\xa2\x80;hhC\xa4{\xc3\xe7Z\x8eE\xb8\x14o\xcc
\xfe\xef\xbdC\x8a[[\xab\x16|\x96\x1b$\x90L\xa0k
\xa5\x15\xb5\x95\xa2\x86\xb6\xac\x9e\xd6\xc5[3\x86a\xe4&lm\x8e\x9cZO
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\xd9' (<type 'str'>)
Any clue on how to fix this. Should I be doing a special encoding/
compression before placing the image file into the cache?
Thanks
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