import sys
import openaccess
from openaccess import *

args=sys.argv
cdsInitNonCDSApp("clsbd");
args=oaDBInit(args)

class cell:
    def __init__(self,libnamestr,cellnamestr,viewnamestr):
        print 'Opening cell ' + cellnamestr
        self.ns=oaNativeNS()
        self.libname=oaScalarName(self.ns,libnamestr)
        self.cellname=oaScalarName(self.ns,cellnamestr)
        self.viewname=oaScalarName(self.ns,viewnamestr)
        self.cv=oaCellView.open(self.libname,self.cellname,self.viewname,'r')

    def close():
        self.cv.close()

c=cell('mylib','counter','autoLayout')

for hdr in c.cv.getInstHeadersIter():
    print hdr
    for inst in hdr.getInstsIter():
        print '\t',inst