/usr/share/pyshared/ZEO/tests/deadlock.py is in python-zodb 1:3.9.7-2.
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 | import ZODB
from ZODB.POSException import ConflictError
from ZEO.ClientStorage import ClientStorage, ClientDisconnected
from ZEO.zrpc.error import DisconnectedError
import os
import random
import time
L = range(1, 100)
def main():
z1 = ClientStorage(('localhost', 2001), wait=1)
z2 = ClientStorage(('localhost', 2002), wait=2)
db1 = ZODB.DB(z1)
db2 = ZODB.DB(z2)
c1 = db1.open()
c2 = db2.open()
r1 = c1.root()
r2 = c2.root()
while 1:
try:
try:
update(r1, r2)
except ConflictError, msg:
print msg
transaction.abort()
c1.sync()
c2.sync()
except (ClientDisconnected, DisconnectedError), err:
print "disconnected", err
time.sleep(2)
def update(r1, r2):
k1 = random.choice(L)
k2 = random.choice(L)
updates = [(k1, r1),
(k2, r2)]
random.shuffle(updates)
for key, root in updates:
root[key] = time.time()
transaction.commit()
print os.getpid(), k1, k2
if __name__ == "__main__":
main()
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