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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
# 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
# StringTypes is already outdated. Instead of writing "type(x) in
# types.StringTypes", you should use "isinstance(x, basestring)". But
# we keep around for compatibility with Python 2.2.
try:
UnicodeType = unicode
StringTypes = (StringType, UnicodeType)
except NameError:
StringTypes = (StringType,)
BufferType = 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())
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 = slice
EllipsisType = type(Ellipsis)
DictProxyType = type(TypeType.__dict__)
NotImplementedType = type(NotImplemented)
# For Jython, the following two types are identical
GetSetDescriptorType = type(FunctionType.func_code)
MemberDescriptorType = type(FunctionType.func_globals)
del sys, _f, _g, _C, _x # Not for export
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