cpython/Lib/types.py
Raymond Hettinger c4c453f5ae Skip Montanaro's patch, SF 559833, exposing xrange type in builtins.
Also, added more regression tests to cover the new type and test its
conformity with range().
2002-06-05 23:12:45 +00:00

86 lines
1.9 KiB
Python

"""Define names for all type symbols known in the standard interpreter.
Types that are part of optional modules (e.g. array) are not listed.
"""
import sys
# Iterators in Python aren't a matter of type but of protocol. A large
# and changing number of builtin types implement *some* flavor of
# iterator. Don't check the type! Use hasattr to check for both
# "__iter__" and "next" attributes instead.
NoneType = type(None)
TypeType = type
ObjectType = object
IntType = int
LongType = long
FloatType = float
BooleanType = bool
try:
ComplexType = complex
except NameError:
pass
StringType = str
try:
UnicodeType = unicode
StringTypes = (StringType, UnicodeType)
except NameError:
StringTypes = (StringType,)
BufferType = type(buffer(''))
TupleType = tuple
ListType = list
DictType = DictionaryType = dict
def _f(): pass
FunctionType = type(_f)
LambdaType = type(lambda: None) # Same as FunctionType
try:
CodeType = type(_f.func_code)
except RuntimeError:
# Execution in restricted environment
pass
def g():
yield 1
GeneratorType = type(g())
del g
class _C:
def _m(self): pass
ClassType = type(_C)
UnboundMethodType = type(_C._m) # Same as MethodType
_x = _C()
InstanceType = type(_x)
MethodType = type(_x._m)
BuiltinFunctionType = type(len)
BuiltinMethodType = type([].append) # Same as BuiltinFunctionType
ModuleType = type(sys)
FileType = file
XRangeType = xrange
try:
raise TypeError
except TypeError:
try:
tb = sys.exc_info()[2]
TracebackType = type(tb)
FrameType = type(tb.tb_frame)
except AttributeError:
# In the restricted environment, exc_info returns (None, None,
# None) Then, tb.tb_frame gives an attribute error
pass
tb = None; del tb
SliceType = type(slice(0))
EllipsisType = type(Ellipsis)
DictProxyType = type(TypeType.__dict__)
del sys, _f, _C, _x # Not for export