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Fixed #11012: don't needless convert cache values to unicode.

This means you can now successfully store binary blogs, such as compressed data,
in the cache.

Thanks to Matt Croydon for the final patch.

git-svn-id: bcc190cf-cafb-0310-a4f2-bffc1f526a37
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commit b3a56755d7f0761a14541bd6d86b9960bb5de202 1 parent 6e748b5
@jacobian jacobian authored
8 django/core/cache/backends/
@@ -43,15 +43,9 @@ def get(self, key, default=None):
val = self._cache.get(smart_str(key))
if val is None:
return default
- else:
- if isinstance(val, basestring):
- return smart_unicode(val)
- else:
- return val
+ return val
def set(self, key, value, timeout=0):
- if isinstance(value, unicode):
- value = value.encode('utf-8')
self._cache.set(smart_str(key), value, self._get_memcache_timeout(timeout))
def delete(self, key):
10 tests/regressiontests/cache/
@@ -295,6 +295,16 @@ def test_unicode(self):
self.cache.set(key, value)
self.assertEqual(self.cache.get(key), value)
+ def test_binary_string(self):
+ # Binary strings should be cachable
+ from zlib import compress, decompress
+ value = 'value_to_be_compressed'
+ compressed_value = compress(value)
+ self.cache.set('binary1', compressed_value)
+ compressed_result = self.cache.get('binary1')
+ self.assertEqual(compressed_value, compressed_result)
+ self.assertEqual(value, decompress(compressed_result))
def test_set_many(self):
# Multiple keys can be set using set_many
self.cache.set_many({"key1": "spam", "key2": "eggs"})

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