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Update explanatory comment in CFBank.py. 

git-svn-id: svn://svn.code.sf.net/p/crossfire/code/maps/trunk@18872 282e977c-c81d-0410-88c4-b93c2d0d6712
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partmedia 2013-08-03 00:28:21 +00:00
parent 04d5b13678
commit 58f73d4414
1 changed files with 7 additions and 9 deletions
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16
python/CFBank.py
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@ -1,16 +1,14 @@
# CFBank.py -- CFBank class
# Created by: Joris Bontje <jbontje@suespammers.org>
# CFBank uses the 'shelve' Python library to store persistent data. The shelve
# is opened for R/W operations by default, but cannot be read from and written
# to simultaneously (so no 'append' or '+=' operations).
# CFBank uses the 'shelve' Python library to store persistent data. The
# shelved dictionary cannot be read and written to concurrently (so no '+=' or
# 'append' operations).
#
# In a past implementation, the bank database was opened with 'writeback' set
# to 'True' and called sync() after each write operation, but still suffered
# from strange bank problems.
#
# In its current implementation, close() MUST be called to preserve data
# across runs. This fixed the aforementioned bug for me.
# The original implementation opened the database with 'writeback' set and
# called 'sync()' after each write operation. The current implementation does
# not set 'writeback' and instead requires 'close()' to be called before data
# is saved. This is the method recommended by the Python reference manual.
import os.path
import shelve