8000 Replaced `type(NotImplemented)` and `type(None)` · python/cpython@2791a23 · GitHub
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Commit 2791a23

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Bas van Beek
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Replaced type(NotImplemented) and type(None)
`type(NotImplemented)` and `type(None)` have, respectively, been replaced with `types.NotImplementedType` and `types.NoneType`
1 parent 9fc1381 commit 2791a23

28 files changed

+73
-67
lines changed

‎Lib/ast.py

Lines changed: 2 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -572,7 +572,7 @@ def __new__(cls, *args, **kwargs):
572572
Num: (int, float, complex),
573573
Str: (str,),
574574
Bytes: (bytes,),
575-
NameConstant: (type(None), bool),
575+
NameConstant: (types.NoneType, bool),
576576
Ellipsis: (types.EllipsisType,),
577577
}
578578
_const_types_not = {
@@ -581,7 +581,7 @@ def __new__(cls, *args, **kwargs):
581581

582582
_const_node_type_names = {
583583
bool: 'NameConstant', # should be before int
584-
type(None): 'NameConstant',
584+
types.NoneType: 'NameConstant',
585585
int: 'Num',
586586
float: 'Num',
587587
complex: 'Num',

‎Lib/copy.py

Lines changed: 4 additions & 4 deletions
Original file line numberDiff line numberDiff line change
@@ -106,10 +106,10 @@ def copy(x):
106106

107107
def _copy_immutable(x):
108108
return x
109-
for t in (type(None), int, float, bool, complex, str, tuple,
109+
for t in (types.NoneType, int, float, bool, complex, str, tuple,
110110
bytes, frozenset, type, range, slice, property,
111111
types.BuiltinFunctionType, types.EllipsisType,
112-
type(NotImplemented), types.FunctionType, weakref.ref):
112+
types.NotImplementedType, types.FunctionType, weakref.ref):
113113
d[t] = _copy_immutable
114114
t = getattr(types, "CodeType", None)
115115
if t is not None:
@@ -181,9 +181,9 @@ def deepcopy(x, memo=None, _nil=[]):
181181

182182
def _deepcopy_atomic(x, memo):
183183
return x
184-
d[type(None)] = _deepcopy_atomic
184+
d[types.NoneType] = _deepcopy_atomic
185185
d[types.EllipsisType] = _deepcopy_atomic
186-
d[type(NotImplemented)] = _deepcopy_atomic
186+
d[types.NotImplementedType] = _deepcopy_atomic
187187
d[int] = _deepcopy_atomic
188188
d[float] = _deepcopy_atomic
189189
d[bool] = _deepcopy_atomic

‎Lib/distutils/unixccompiler.py

Lines changed: 2 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -13,7 +13,7 @@
1313
* link shared library handled by 'cc -shared'
1414
"""
1515

16-
import os, sys, re
16+
import os, sys, re, types
1717

1818
from distutils import sysconfig
1919
from distutils.dep_util import newer
@@ -157,7 +157,7 @@ def link(self, target_desc, objects,
157157

158158
lib_opts = gen_lib_options(self, library_dirs, runtime_library_dirs,
159159
libraries)
160-
if not isinstance(output_dir, (str, type(None))):
160+
if not isinstance(output_dir, (str, types.NoneType)):
161161
raise TypeError("'output_dir' must be a string or None")
162162
if output_dir is not None:
163163
output_filename = os.path.join(output_dir, output_filename)

‎Lib/idlelib/run.py

Lines changed: 2 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -15,6 +15,7 @@
1515
import _thread as thread
1616
import threading
1717
import warnings
18+
import types
1819

1920
from idlelib import autocomplete # AutoComplete, fetch_encodings
2021
from idlelib import calltip # Calltip
@@ -558,7 +559,7 @@ def runcode(self, code):
558559
except SystemExit as e:
559560
if e.args: # SystemExit called with an argument.
560561
ob = e.args[0]
561-
if not isinstance(ob, (type(None), int)):
562+
if not isinstance(ob, (types.NoneType, int)):
562563
print('SystemExit: ' + str(ob), file=sys.stderr)
563564
# Return to the interactive prompt.
564565
except:

‎Lib/imp.py

Lines changed: 1 addition & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -264,7 +264,7 @@ def find_module(name, path=None):
264264
"""
265265
if not isinstance(name, str):
266266
raise TypeError("'name' must be a str, not {}".format(type(name)))
267-
elif not isinstance(path, (type(None), list)):
267+
elif not isinstance(path, (types.NoneType, list)):
268268
# Backwards-compatibility
269269
raise RuntimeError("'path' must be None or a list, "
270270
"not {}".format(type(path)))

‎Lib/inspect.py

Lines changed: 1 addition & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -2034,7 +2034,7 @@ def wrap_value(s):
20342034
except NameError:
20352035
raise RuntimeError()
20362036

2037-
if isinstance(value, (str, int, float, bytes, bool, type(None))):
2037+
if isinstance(value, (str, int, float, bytes, bool, types.NoneType)):
20382038
return ast.Constant(value)
20392039
raise RuntimeError()
20402040

‎Lib/lib2to3/fixes/fix_types.py

Lines changed: 0 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -36,8 +36,6 @@
3636
'ListType': 'list',
3737
'LongType': 'int',
3838
'ObjectType' : 'object',
39-
'NoneType': 'type(None)',
40-
'NotImplementedType' : 'type(NotImplemented)',
4139
'SliceType' : 'slice',
4240
'StringType': 'bytes', # XXX ?
4341
'StringTypes' : '(str,)', # XXX ?

‎Lib/lib2to3/tests/test_fixers.py

Lines changed: 0 additions & 4 deletions
Original file line numberDiff line numberDiff line change
@@ -3276,10 +3276,6 @@ def test_basic_types_convert(self):
32763276
a = """int"""
32773277
self.check(b, a)
32783278

3279-
b = """types.NoneType"""
3280-
a = """type(None)"""
3281-
self.check(b, a)
3282-
32833279
b = "types.StringTypes"
32843280
a = "(str,)"
32853281
self.check(b, a)

‎Lib/pickle.py

Lines changed: 6 additions & 6 deletions
Original file line numberDiff line numberDiff line change
@@ -23,7 +23,7 @@
2323
2424
"""
2525

26-
from types import FunctionType, EllipsisType
26+
import types
2727
from copyreg import dispatch_table
2828
from copyreg import _extension_registry, _inverted_registry, _extension_cache
2929
from itertools import islice
@@ -737,7 +737,7 @@ def save_reduce(self, func, args, state=None, listitems=None,
737737

738738
def save_none(self, obj):
739739
self.write(NONE)
740-
dispatch[type(None)] = save_none
740+
dispatch[types.NoneType] = save_none
741741

742742
def save_bool(self, obj):
743743
if self.proto >= 2:
@@ -1117,15 +1117,15 @@ def save_global(self, obj, name=None):
11171117
self.memoize(obj)
11181118

11191119
def save_type(self, obj):
1120-
if obj is type(None):
1120+
if obj is types.NoneType:
11211121
return self.save_reduce(type, (None,), obj=obj)
1122-
elif obj is type(NotImplemented):
1122+
elif obj is types.NotImplementedType:
11231123
return self.save_reduce(type, (NotImplemented,), obj=obj)
1124-
elif obj is EllipsisType:
1124+
elif obj is types.EllipsisType:
11251125
return self.save_reduce(type, (...,), obj=obj)
11261126
return self.save_global(obj)
11271127

1128-
dispatch[FunctionType] = save_global
1128+
dispatch[types.FunctionType] = save_global
11291129
dispatch[type] = save_type
11301130

11311131

‎Lib/pickletools.py

Lines changed: 2 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -15,6 +15,7 @@
1515
import pickle
1616
import re
1717
import sys
18+
import types
1819

1920
__all__ = ['dis', 'genops', 'optimize']
2021

@@ -1017,7 +1018,7 @@ def __repr__(self):
10171018

10181019
pynone = StackObject(
10191020
name="None",
1020-
obtype=type(None),
1021+
obtype=types.NoneType,
10211022
doc="The Python None object.")
10221023

10231024
pytuple = StackObject(

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