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authorRafael H. Schloming <rhs@apache.org>2010-03-26 12:34:46 +0000
committerRafael H. Schloming <rhs@apache.org>2010-03-26 12:34:46 +0000
commit6e9d609b0edea3daab64fcd8fbf7a1bb0f0b3146 (patch)
tree9c33ebfe327e1ef01380d0001d48e237c1827c2c
parente8194a222b773609e310d4c30a4ab9ecb1c8e151 (diff)
downloadqpid-python-6e9d609b0edea3daab64fcd8fbf7a1bb0f0b3146.tar.gz
form compat uuid generation, use a random number generator that is initialized with the pid, hostname, and time; without this we can get duplicates if multipleprocesses startup and generate UUIDs simultaneously
git-svn-id: https://svn.apache.org/repos/asf/qpid/trunk/qpid@927803 13f79535-47bb-0310-9956-ffa450edef68
-rw-r--r--python/qpid/datatypes.py6
1 files changed, 4 insertions, 2 deletions
diff --git a/python/qpid/datatypes.py b/python/qpid/datatypes.py
index 61643715e4..e4cbcb7f10 100644
--- a/python/qpid/datatypes.py
+++ b/python/qpid/datatypes.py
@@ -290,9 +290,11 @@ try:
def random_uuid():
return uuid.uuid4().get_bytes()
except ImportError:
- import random
+ import os, random, socket, time
+ rand = random.Random()
+ rand.seed((os.getpid(), time.time(), socket.gethostname()))
def random_uuid():
- bytes = [random.randint(0, 255) for i in xrange(16)]
+ bytes = [rand.randint(0, 255) for i in xrange(16)]
# From RFC4122, the version bits are set to 0100
bytes[7] &= 0x0F