Source

cpython-withatomic / Lib / types.py

The branch '2.2' does not exist.
"""Define names for all type symbols known in the standard interpreter.

Types that are part of optional modules (e.g. array) are not listed.
"""
from __future__ import generators

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
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 = type(xrange(0))

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, generators                  # Not for export
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