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"""
Created by: Joris Bontje <jbontje@suespammers.org>
This module stores bank account information.
"""
import os.path
import shelve
import Crossfire
class CFBank:
def __init__(self, bankfile):
self.bankdb_file = os.path.join(Crossfire.LocalDirectory(), bankfile)
self.bankdb = shelve.open(self.bankdb_file)
def __enter__(self):
return self
def __exit__(self, exc_type, exc_value, traceback):
self.close()
def deposit(self, user, amount):
if not user in self.bankdb:
self.bankdb[user] = amount
else:
balance = self.bankdb[user]
self.bankdb[user] = balance + amount
def withdraw(self, user, amount):
if user in self.bankdb:
balance = self.getbalance(user)
if balance >= amount:
self.bankdb[user] = balance - amount
return 1
return 0
def getbalance(self, user):
self._convert(user)
if user in self.bankdb:
return self.bankdb[user]
else:
return 0
def remove_account(self, user):
if user in self.bankdb:
del self.bankdb[user]
Crossfire.Log(Crossfire.LogDebug,
"%s's bank account removed." % user)
return 1
else:
return 0
def close(self):
self.bankdb.close()
def _convert(self, name):
"""Move a player's balance from the player file to the bank."""
player = Crossfire.FindPlayer(name)
if player is None:
return 0
old_balance = _balance_legacy(player)
if old_balance > 0:
Crossfire.Log(Crossfire.LogInfo,
"Converting bank account for %s with %d silver" \
% (name, old_balance))
self.deposit(name, old_balance)
player.WriteKey("balance", "moved-to-bank-file", 1)
def open():
return CFBank('ImperialBank_DB')
def _balance_legacy(player):
"""Return the balance of the given player's bank account."""
try:
balance_str = player.ReadKey("balance")
return int(balance_str)
except ValueError:
return 0
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