text: #!/usr/bin/env python2.7
  """
  Check the .lib file for an SRAM with pruning
  """
  
  import unittest
  from testutils import header,openram_test
  import sys,os,re
  sys.path.append(os.path.join(sys.path[0],".."))
  import globals
  from globals import OPTS
  import debug
  
  class lib_test(openram_test):
  
      def runTest(self):
          globals.init_openram("config_20_{0}".format(OPTS.tech_name))
          OPTS.check_lvsdrc = False
          OPTS.spice_name="" # Unset to use any simulator
          OPTS.analytical_delay = False
          OPTS.trim_netlist = True
  
          # This is a hack to reload the characterizer __init__ with the spice version
          import characterizer
          reload(characterizer)
          from characterizer import lib
          if not OPTS.spice_exe:
              debug.error("Could not find {} simulator.".format(OPTS.spice_name),-1)
  
          import sram
  
          debug.info(1, "Testing timing for sample 2 bit, 16 words SRAM with 1 bank")
          s = sram.sram(word_size=2,
                        num_words=16,
                        num_banks=1,
                        name="sram_2_16_1_{0}".format(OPTS.tech_name))
          OPTS.check_lvsdrc = True
  
          tempspice = OPTS.openram_temp + "temp.sp"
          s.sp_write(tempspice)
  
          lib.lib(out_dir=OPTS.openram_temp, sram=s, sp_file=tempspice, use_model=False)
  
          # get all of the .lib files generated
          files = os.listdir(OPTS.openram_temp)
          nametest = re.compile("\.lib$", re.IGNORECASE)
          lib_files = filter(nametest.search, files)
  
          # and compare them with the golden model
          for filename in lib_files:
              newname = filename.replace(".lib","_pruned.lib")
              libname = "{0}/{1}".format(OPTS.openram_temp,filename)
              golden = "{0}/golden/{1}".format(os.path.dirname(os.path.realpath(__file__)),newname)
              self.isapproxdiff(libname,golden,0.40)
  
          OPTS.analytical_delay = True
          reload(characterizer)
          globals.end_openram()
          
  # instantiate a copdsay of the class to actually run the test
  if __name__ == "__main__":
      (OPTS, args) = globals.parse_args()
      del sys.argv[1:]
      header(__file__, OPTS.tech_name)
      unittest.main()
  
  
  
  
  
  
  