cpython/Lib/types.py

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"""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
NoneType = type(None)
TypeType = type(NoneType)
IntType = type(0)
LongType = type(0L)
FloatType = type(0.0)
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try:
ComplexType = type(complex(0,1))
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except NameError:
pass
StringType = type('')
BufferType = type(buffer(''))
TupleType = type(())
ListType = type([])
DictType = DictionaryType = type({})
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def _f(): pass
FunctionType = type(_f)
LambdaType = type(lambda: None) # Same as FunctionType
try:
CodeType = type(_f.func_code)
except:
pass
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class _C:
def _m(self): pass
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ClassType = type(_C)
UnboundMethodType = type(_C._m) # Same as MethodType
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_x = _C()
InstanceType = type(_x)
MethodType = type(_x._m)
BuiltinFunctionType = type(len)
BuiltinMethodType = type([].append) # Same as BuiltinFunctionType
ModuleType = type(sys)
try:
FileType = type(sys.__stdin__)
except:
pass
XRangeType = type(xrange(0))
try:
raise TypeError
except TypeError:
try:
tb = sys.exc_info()[2]
TracebackType = type(tb)
FrameType = type(tb.tb_frame)
except:
pass
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tb = None; del tb
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SliceType = type(slice(0))
EllipsisType = type(Ellipsis)
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del sys, _f, _C, _x # Not for export