text: # operation flags
  OP_ASSIGN = 'OP_ASSIGN'
  OP_DELETE = 'OP_DELETE'
  OP_APPLY = 'OP_APPLY'
  
  SC_LOCAL = 1
  SC_GLOBAL = 2
  SC_FREE = 3
  SC_CELL = 4
  SC_UNKNOWN = 5
  
  CO_OPTIMIZED = 0x0001
  CO_NEWLOCALS = 0x0002
  CO_VARARGS = 0x0004
  CO_VARKEYWORDS = 0x0008
  CO_NESTED = 0x0010
  CO_GENERATOR = 0x0020
  CO_GENERATOR_ALLOWED = 0
  CO_FUTURE_DIVISION = 0x2000
  CO_FUTURE_ABSIMPORT = 0x4000
  CO_FUTURE_WITH_STATEMENT = 0x8000
  CO_FUTURE_PRINT_FUNCTION = 0x10000
  