/usr/lib/python2.7/dist-packages/pymemcache/serde.py is in python-pymemcache 1.3.2-2ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 | # Copyright 2012 Pinterest.com
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import logging
import pickle
try:
from cStringIO import StringIO
except ImportError:
from StringIO import StringIO
FLAG_PICKLE = 1 << 0
FLAG_INTEGER = 1 << 1
FLAG_LONG = 1 << 2
def python_memcache_serializer(key, value):
flags = 0
if isinstance(value, str):
pass
elif isinstance(value, int):
flags |= FLAG_INTEGER
value = "%d" % value
elif isinstance(value, long):
flags |= FLAG_LONG
value = "%d" % value
else:
flags |= FLAG_PICKLE
output = StringIO()
pickler = pickle.Pickler(output, 0)
pickler.dump(value)
value = output.getvalue()
return value, flags
def python_memcache_deserializer(key, value, flags):
if flags == 0:
return value
if flags & FLAG_INTEGER:
return int(value)
if flags & FLAG_LONG:
return long(value)
if flags & FLAG_PICKLE:
try:
buf = StringIO(value)
unpickler = pickle.Unpickler(buf)
return unpickler.load()
except Exception:
logging.info('Pickle error', exc_info=True)
return None
return value
|