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 import sys 6 7 # Iterators in Python aren't a matter of type but of protocol. A large 8 # and changing number of builtin types implement *some* flavor of 9 # iterator. Don't check the type! Use hasattr to check for both 10 # "__iter__" and "next" attributes instead. 11 12 NoneType = type(None) 13 TypeType = type 14 ObjectType = object 15 16 IntType = int 17 LongType = long 18 FloatType = float 19 BooleanType = bool 20 try: 21 ComplexType = complex 22 except NameError: 23 pass 24 25 StringType = str 26 27 # StringTypes is already outdated. Instead of writing "type(x) in 28 # types.StringTypes", you should use "isinstance(x, basestring)". But 29 # we keep around for compatibility with Python 2.2. 30 try: 31 UnicodeType = unicode 32 StringTypes = (StringType, UnicodeType) 33 except NameError: 34 StringTypes = (StringType,) 35 36 BufferType = buffer 37 38 TupleType = tuple 39 ListType = list 40 DictType = DictionaryType = dict 41 42 def _f(): pass 43 FunctionType = type(_f) 44 LambdaType = type(lambda: None) # Same as FunctionType 45 CodeType = type(_f.func_code) 46 47 def _g(): 48 yield 1 49 GeneratorType = type(_g()) 50 51 class _C: 52 def _m(self): pass 53 ClassType = type(_C) 54 UnboundMethodType = type(_C._m) # Same as MethodType 55 _x = _C() 56 InstanceType = type(_x) 57 MethodType = type(_x._m) 58 59 BuiltinFunctionType = type(len) 60 BuiltinMethodType = type([].append) # Same as BuiltinFunctionType 61 62 ModuleType = type(sys) 63 FileType = file 64 XRangeType = xrange 65 66 try: 67 raise TypeError 68 except TypeError: 69 tb = sys.exc_info()[2] 70 TracebackType = type(tb) 71 FrameType = type(tb.tb_frame) 72 del tb 73 74 SliceType = slice 75 EllipsisType = type(Ellipsis) 76 77 DictProxyType = type(TypeType.__dict__) 78 NotImplementedType = type(NotImplemented) 79 80 # For Jython, the following two types are identical 81 GetSetDescriptorType = type(FunctionType.func_code) 82 MemberDescriptorType = type(FunctionType.func_globals) 83 84 del sys, _f, _g, _C, _x # Not for export 85
