Lib/types.py

   1 """Define names for all type symbols known in the standard interpreter.
   2
   3 Types that are part of optional modules (e.g. array) are not listed.
   4 """
   5
   6 import sys
   7
   8 NoneType = type(None)
   9 TypeType = type(NoneType)
  10
  11 IntType = type(0)
  12 LongType = type(0L)
  13 FloatType = type(0.0)
  14 try:
  15     ComplexType = type(complex(0,1))
  16 except NameError:
  17     pass
  18
  19 StringType = type('')
  20 BufferType = type(buffer(''))
  21
  22 TupleType = type(())
  23 ListType = type([])
  24 DictType = DictionaryType = type({})
  25
  26 def _f(): pass
  27 FunctionType = type(_f)
  28 LambdaType = type(lambda: None)         # Same as FunctionType
  29 try:
  30     CodeType = type(_f.func_code)
  31 except:
  32     pass
  33
  34 class _C:
  35     def _m(self): pass
  36 ClassType = type(_C)
  37 UnboundMethodType = type(_C._m)         # Same as MethodType
  38 _x = _C()
  39 InstanceType = type(_x)
  40 MethodType = type(_x._m)
  41
  42 BuiltinFunctionType = type(len)
  43 BuiltinMethodType = type([].append)     # Same as BuiltinFunctionType
  44
  45 ModuleType = type(sys)
  46
  47 try:
  48     FileType = type(sys.__stdin__)
  49 except:
  50     pass
  51 XRangeType = type(xrange(0))
  52
  53 try:
  54     raise TypeError
  55 except TypeError:
  56     try:
  57         tb = sys.exc_info()[2]
  58         TracebackType = type(tb)
  59         FrameType = type(tb.tb_frame)
  60     except:
  61         pass
  62     tb = None; del tb
  63
  64 SliceType = type(slice(0))
  65 EllipsisType = type(Ellipsis)
  66
  67 del sys, _f, _C, _x                     # Not for export