db class ][leveldb 사용하기

db class ][leveldb 사용하기

	#
	#
	# write by kyoung chip ,jang
	#
	#
	#
	import leveldb
	class CDbManager :
	def __init__(self) :
	self.db = leveldb.LevelDB('./blackfalcon')
	def push_back( self, key , data ) :
	self.db.Put( key , data )
	def countDB( self ):
	return sum(1 for i in self.db.RangeIter(reverse = True))
	def doTest1( self ) :
	self.db.Put('test1' , '5JhC4TDAkoBAJA3MU')
	self.db.Put('test2' , '5KFWX1RfxynM7qsLH')
	print self.db.Get('test1')
	print "----- counter db ------------"
	print self.countDB()
	if __name__ == "__main__" :
	c = CDbManager()
	c.doTest1()

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