GH-118761: Expose more core interpreter types in ``_types`` (#132103) · python/cpython@1755157 · GitHub
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AA-TurnerpicnixzZeroIntensity
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GH-118761: Expose more core interpreter types in _types (#132103)
Co-authored-by: Bénédikt Tran <10796600+picnixz@users.noreply.github.com> Co-authored-by: Peter Bierma <zintensitydev@gmail.com>
1 parent 92fb949 commit 1755157

3 files changed

Lines changed: 128 additions & 63 deletions

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‎Lib/test/test_types.py‎

Lines changed: 26 additions & 0 deletions

‎Lib/types.py‎

Lines changed: 61 additions & 57 deletions
Original file line numberDiff line numberDiff line change
@@ -2,67 +2,78 @@
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Define names for built-in types that aren't directly accessible as a builtin.
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"""
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5-
import _types
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# Iterators in Python aren't a matter of type but of protocol. A large
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# and changing number of builtin types implement *some* flavor of
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# iterator. Don't check the type! Use hasattr to check for both
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# "__iter__" and "__next__" attributes instead.
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def _f(): pass
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FunctionType = type(_f)
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LambdaType = type(lambda: None) # Same as FunctionType
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CodeType = type(_f.__code__)
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MappingProxyType = type(type.__dict__)
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SimpleNamespace = _types.SimpleNamespace
18-
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def _cell_factory():
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a = 1
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def f():
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nonlocal a
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return f.__closure__[0]
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CellType = type(_cell_factory())
25-
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def _g():
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yield 1
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GeneratorType = type(_g())
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async def _c(): pass
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_c = _c()
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CoroutineType = type(_c)
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_c.close() # Prevent ResourceWarning
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async def _ag():
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yield
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_ag = _ag()
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AsyncGeneratorType = type(_ag)
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class _C:
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def _m(self): pass
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MethodType = type(_C()._m)
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BuiltinFunctionType = type(len)
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BuiltinMethodType = type([].append) # Same as BuiltinFunctionType
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try:
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from _types import *
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except ImportError:
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import sys
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15+
def _f(): pass
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FunctionType = type(_f)
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LambdaType = type(lambda: None) # Same as FunctionType
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CodeType = type(_f.__code__)
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MappingProxyType = type(type.__dict__)
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SimpleNamespace = type(sys.implementation)
21+
22+
def _cell_factory():
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a = 1
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def f():
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nonlocal a
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return f.__closure__[0]
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CellType = type(_cell_factory())
28+
29+
def _g():
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yield 1
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GeneratorType = type(_g())
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33+
async def _c(): pass
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_c = _c()
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CoroutineType = type(_c)
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_c.close() # Prevent ResourceWarning
37+
38+
async def _ag():
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yield
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_ag = _ag()
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AsyncGeneratorType = type(_ag)
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class _C:
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def _m(self): pass
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MethodType = type(_C()._m)
46+
47+
BuiltinFunctionType = type(len)
48+
BuiltinMethodType = type([].append) # Same as BuiltinFunctionType
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WrapperDescriptorType = type(object.__init__)
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MethodWrapperType = type(object().__str__)
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MethodDescriptorType = type(str.join)
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ClassMethodDescriptorType = type(dict.__dict__['fromkeys'])
54+
55+
ModuleType = type(sys)
4656

47-
WrapperDescriptorType = type(object.__init__)
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MethodWrapperType = type(object().__str__)
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MethodDescriptorType = type(str.join)
50-
ClassMethodDescriptorType = type(dict.__dict__['fromkeys'])
57+
try:
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raise TypeError
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except TypeError as exc:
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TracebackType = type(exc.__traceback__)
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FrameType = type(exc.__traceback__.tb_frame)
5162

52-
ModuleType = type(_types)
63+
GetSetDescriptorType = type(FunctionType.__code__)
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MemberDescriptorType = type(FunctionType.__globals__)
5365

54-
try:
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raise TypeError
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except TypeError as exc:
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TracebackType = type(exc.__traceback__)
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FrameType = type(exc.__traceback__.tb_frame)
66+
GenericAlias = type(list[int])
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UnionType = type(int | str)
5968

60-
GetSetDescriptorType = type(FunctionType.__code__)
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MemberDescriptorType = type(FunctionType.__globals__)
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EllipsisType = type(Ellipsis)
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NoneType = type(None)
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NotImplementedType = type(NotImplemented)
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63-
CapsuleType = _types.CapsuleType
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# CapsuleType cannot be accessed from pure Python,
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# so there is no fallback definition.
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65-
del _types, _f, _g, _C, _c, _ag, _cell_factory # Not for export
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del sys, _f, _g, _C, _c, _ag, _cell_factory # Not for export
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# Provide a PEP 3115 compliant mechanism for class creation
@@ -326,11 +337,4 @@ def wrapped(*args, **kwargs):
326337

327338
return wrapped
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329-
GenericAlias = type(list[int])
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UnionType = type(int | str)
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EllipsisType = type(Ellipsis)
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NoneType = type(None)
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NotImplementedType = type(NotImplemented)
335-
336340
__all__ = [n for n in globals() if not n.startswith('_')] # for pydoc

‎Modules/_typesmodule.c‎

Lines changed: 41 additions & 6 deletions

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