code: def getpart(self, ix):
          
          if self.offsets[ix] == 0:
              return
  
          comp, ofs, size, checksum = self.getsectioninfo(ix)
  
          fh = FileSection(self.fh, ofs, ofs + size)
          if comp == 2:
              import zlib
              # very old databases used a different compression scheme:
              wbits = -15 if self.magic == 'IDA0' else 15
  
              fh = makeStringIO(zlib.decompress(fh.read(size), wbits))
          elif comp == 0:
              pass
          else:
              raise Exception("unsupported section encoding: %02x" % comp)
          return fh
docs: Returns a fileobject for the specified section.
  
          This method optionally decompresses the data found in the .idb file,
          and returns a file-like object, with seek, read, tell.