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"""
Define names for built-in types that aren't directly accessible as a builtin.
"""
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.
def _f(): pass
FunctionType = type(_f)
LambdaType = type(lambda: None) # Same as FunctionType
CodeType = type(_f.__code__)
def _g():
yield 1
GeneratorType = type(_g())
class _C:
def _m(self): pass
MethodType = type(_C()._m)
BuiltinFunctionType = type(len)
BuiltinMethodType = type([].append) # Same as BuiltinFunctionType
ModuleType = type(sys)
try:
raise TypeError
except TypeError:
tb = sys.exc_info()[2]
TracebackType = type(tb)
FrameType = type(tb.tb_frame)
tb = None; del tb
# Extension types defined in a C helper module. XXX There may be no
# equivalent in implementations other than CPython, so it seems better to
# leave them undefined then to set them to e.g. None.
try:
import _types
except ImportError:
pass
else:
GetSetDescriptorType = type(_types.Helper.getter)
MemberDescriptorType = type(_types.Helper.member)
del _types
del sys, _f, _g, _C, # Not for export
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