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Catch struct errors when checking session lock.

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This commit is contained in:
David Vierra 2012-11-30 16:35:39 -10:00
parent e0f1ca1799
commit 4d1d96863b
1 changed files with 4 additions and 1 deletions
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5
infiniteworld.py
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@ -1091,7 +1091,10 @@ class MCInfdevOldLevel(ChunkedLevelMixin, EntityLevel):
def checkSessionLock(self):
lockfile = self.worldFolder.getFilePath("session.lock")
(lock, ) = struct.unpack(">q", file(lockfile, "rb").read())
try:
(lock, ) = struct.unpack(">q", file(lockfile, "rb").read())
except struct.error:
lock = -1
if lock != self.initTime:
raise SessionLockLost, "Session lock lost. This world is being accessed from another location."