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# -*- coding: utf-8 -*-
## --------------------------------------------------------------------
## Amazon S3 manager
##
## Authors : Michal Ludvig <michal@logix.cz> (https://www.logix.cz/michal)
## Florent Viard <florent@sodria.com> (https://www.sodria.com)
## Copyright : TGRMN Software, Sodria SAS and contributors
## License : GPL Version 2
## Website : https://s3tools.org
## --------------------------------------------------------------------
class BidirMap(object):
def __init__(self, **map):
self.k2v = {}
self.v2k = {}
for key in map:
self.__setitem__(key, map[key])
def __setitem__(self, key, value):
if value in self.v2k:
if self.v2k[value] != key:
raise KeyError("Value '"+str(value)+"' already in use with key '"+str(self.v2k[value])+"'")
try:
del(self.v2k[self.k2v[key]])
except KeyError:
pass
self.k2v[key] = value
self.v2k[value] = key
def __getitem__(self, key):
return self.k2v[key]
def __str__(self):
return self.v2k.__str__()
def getkey(self, value):
return self.v2k[value]
def getvalue(self, key):
return self.k2v[key]
def keys(self):
return [key for key in self.k2v]
def values(self):
return [value for value in self.v2k]
# vim:et:ts=4:sts=4:ai