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Commit918c083

Browse files
authored
Merge branch '3.14' into backport-8598e57-3.14
2 parents74f77f7 +4e57e21 commit918c083

33 files changed

+624
-226
lines changed

‎.github/workflows/mypy.yml

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@@ -15,6 +15,7 @@ on:
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-"Misc/mypy/**"
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-"Tools/build/compute-changes.py"
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-"Tools/build/generate_sbom.py"
18+
-"Tools/build/generate-build-details.py"
1819
-"Tools/build/verify_ensurepip_wheels.py"
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-"Tools/build/update_file.py"
2021
-"Tools/cases_generator/**"

‎Doc/c-api/init.rst

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@@ -203,7 +203,7 @@ to 1 and ``-bb`` sets :c:data:`Py_BytesWarningFlag` to 2.
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Set by the:option:`-i` option.
205205

206-
..deprecated::3.12
206+
..deprecated-removed::3.12 3.15
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..c:var::int Py_IsolatedFlag
209209

‎Doc/c-api/unicode.rst

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@@ -645,6 +645,17 @@ APIs:
645645
difference being that it decrements the reference count of *right* by one.
646646
647647
648+
..c:function:: PyObject*PyUnicode_BuildEncodingMap(PyObject* string)
649+
650+
Return a mapping suitable for decoding a custom single-byte encoding.
651+
Given a Unicode string *string* of up to 256 characters representing an encoding
652+
table, returns either a compact internal mapping object or a dictionary
653+
mapping character ordinals to byte values. Raises a :exc:`TypeError` and
654+
return ``NULL`` on invalid input.
655+
656+
.. versionadded:: 3.2
657+
658+
648659
.. c:function::const char* PyUnicode_GetDefaultEncoding(void)
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Return the name of the default string encoding, ``"utf-8"``.

‎Doc/data/refcounts.dat

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@@ -2781,6 +2781,9 @@ PyUnicode_AppendAndDel:void:::
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PyUnicode_AppendAndDel:PyObject**:p_left:0:
27822782
PyUnicode_AppendAndDel:PyObject*:right:-1:
27832783

2784+
PyUnicode_BuildEncodingMap:PyObject*::+1:
2785+
PyUnicode_BuildEncodingMap:PyObject*:string:::
2786+
27842787
PyUnicode_GetDefaultEncoding:const char*:::
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PyUnicode_GetDefaultEncoding::void::
27862789

‎Doc/library/stdtypes.rst

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@@ -2012,7 +2012,7 @@ expression support in the :mod:`re` module).
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..method::str.isprintable()
20142014

2015-
Returntrue if all characters in the string are printable,false if it
2015+
Return``True`` if all characters in the string are printable,``False`` if it
20162016
contains at least one non-printable character.
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20182018
Here "printable" means the character is suitable for:func:`repr` to use in

‎Doc/library/string.rst

Lines changed: 1 addition & 1 deletion
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@@ -858,7 +858,7 @@ these rules. The methods of :class:`Template` are:
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859859
..method::is_valid()
860860

861-
Returnsfalse if the template has invalid placeholders that will cause
861+
Returns``False`` if the template has invalid placeholders that will cause
862862
:meth:`substitute` to raise:exc:`ValueError`.
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864864
..versionadded::3.11

‎Doc/whatsnew/3.14.rst

Lines changed: 27 additions & 5 deletions
Original file line numberDiff line numberDiff line change
@@ -153,10 +153,10 @@ As another example, generating HTML attributes from data:
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..code-block::python
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155155
attributes= {"src":"shrubbery.jpg","alt":"looks nice"}
156-
template= t"<img{attributes} />"
157-
assert html(template)=='<img src="shrubbery.jpg" alt="looks nice" />'
156+
template= t"<img{attributes}>"
157+
assert html(template)=='<img src="shrubbery.jpg" alt="looks nice">'
158158
159-
Unlike f-strings, the ``html`` function has access to template attributes
159+
Compared to using an f-string, the ``html`` function has access to template attributes
160160
containing the original information: static strings, interpolations, and values
161161
from the original scope. Unlike existing templating approaches, t-strings build
162162
from the well-known f-string syntax and rules. Template systems thus benefit
@@ -443,6 +443,9 @@ Python without deferred evaluation of annotations, reaches its end of life in 20
443443
In Python 3.14, the behavior of code using ``from __future__ import annotations``
444444
is unchanged.
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446+
..seealso::
447+
:pep:`649`.
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446449

447450
Improved error messages
448451
-----------------------
@@ -584,8 +587,27 @@ Improved error messages
584587
^^^^^^
585588
SyntaxError: cannot use subscript as import target
586589
587-
..seealso::
588-
:pep:`649`.
590+
* Improved error message when trying to add an instance of an unhashable type to
591+
a:class:`dict` or:class:`set`. (Contributed by CF Bolz-Tereick and Victor Stinner
592+
in:gh:`132828`.)
593+
594+
..code-block::pycon
595+
596+
>>> s = set()
597+
>>> s.add({'pages': 12, 'grade': 'A'})
598+
Traceback (most recent call last):
599+
File "<python-input-1>", line 1, in <module>
600+
s.add({'pages': 12, 'grade': 'A'})
601+
~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
602+
TypeError: cannot use 'dict' as a set element (unhashable type: 'dict')
603+
>>> d = {}
604+
>>> l = [1, 2, 3]
605+
>>> d[l] = 12
606+
Traceback (most recent call last):
607+
File "<python-input-4>", line 1, in <module>
608+
d[l] = 12
609+
~^^^
610+
TypeError: cannot use 'list' as a dict key (unhashable type: 'list')
589611
590612
591613
.. _whatsnew314-pep741:

‎Lib/compression/zstd/__init__.py

Lines changed: 40 additions & 34 deletions
Original file line numberDiff line numberDiff line change
@@ -28,10 +28,16 @@
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2929
import_zstd
3030
importenum
31-
from_zstdimport*
31+
from_zstdimport (ZstdCompressor,ZstdDecompressor,ZstdDict,ZstdError,
32+
get_frame_size,zstd_version)
3233
fromcompression.zstd._zstdfileimportZstdFile,open,_nbytes
3334

34-
COMPRESSION_LEVEL_DEFAULT=_zstd._compressionLevel_values[0]
35+
# zstd_version_number is (MAJOR * 100 * 100 + MINOR * 100 + RELEASE)
36+
zstd_version_info= (*divmod(_zstd.zstd_version_number//100,100),
37+
_zstd.zstd_version_number%100)
38+
"""Version number of the runtime zstd library as a tuple of integers."""
39+
40+
COMPRESSION_LEVEL_DEFAULT=_zstd.ZSTD_CLEVEL_DEFAULT
3541
"""The default compression level for Zstandard, currently '3'."""
3642

3743

@@ -167,28 +173,28 @@ def decompress(data, zstd_dict=None, options=None):
167173
classCompressionParameter(enum.IntEnum):
168174
"""Compression parameters."""
169175

170-
compression_level=_zstd._ZSTD_c_compressionLevel
171-
window_log=_zstd._ZSTD_c_windowLog
172-
hash_log=_zstd._ZSTD_c_hashLog
173-
chain_log=_zstd._ZSTD_c_chainLog
174-
search_log=_zstd._ZSTD_c_searchLog
175-
min_match=_zstd._ZSTD_c_minMatch
176-
target_length=_zstd._ZSTD_c_targetLength
177-
strategy=_zstd._ZSTD_c_strategy
178-
179-
enable_long_distance_matching=_zstd._ZSTD_c_enableLongDistanceMatching
180-
ldm_hash_log=_zstd._ZSTD_c_ldmHashLog
181-
ldm_min_match=_zstd._ZSTD_c_ldmMinMatch
182-
ldm_bucket_size_log=_zstd._ZSTD_c_ldmBucketSizeLog
183-
ldm_hash_rate_log=_zstd._ZSTD_c_ldmHashRateLog
184-
185-
content_size_flag=_zstd._ZSTD_c_contentSizeFlag
186-
checksum_flag=_zstd._ZSTD_c_checksumFlag
187-
dict_id_flag=_zstd._ZSTD_c_dictIDFlag
188-
189-
nb_workers=_zstd._ZSTD_c_nbWorkers
190-
job_size=_zstd._ZSTD_c_jobSize
191-
overlap_log=_zstd._ZSTD_c_overlapLog
176+
compression_level=_zstd.ZSTD_c_compressionLevel
177+
window_log=_zstd.ZSTD_c_windowLog
178+
hash_log=_zstd.ZSTD_c_hashLog
179+
chain_log=_zstd.ZSTD_c_chainLog
180+
search_log=_zstd.ZSTD_c_searchLog
181+
min_match=_zstd.ZSTD_c_minMatch
182+
target_length=_zstd.ZSTD_c_targetLength
183+
strategy=_zstd.ZSTD_c_strategy
184+
185+
enable_long_distance_matching=_zstd.ZSTD_c_enableLongDistanceMatching
186+
ldm_hash_log=_zstd.ZSTD_c_ldmHashLog
187+
ldm_min_match=_zstd.ZSTD_c_ldmMinMatch
188+
ldm_bucket_size_log=_zstd.ZSTD_c_ldmBucketSizeLog
189+
ldm_hash_rate_log=_zstd.ZSTD_c_ldmHashRateLog
190+
191+
content_size_flag=_zstd.ZSTD_c_contentSizeFlag
192+
checksum_flag=_zstd.ZSTD_c_checksumFlag
193+
dict_id_flag=_zstd.ZSTD_c_dictIDFlag
194+
195+
nb_workers=_zstd.ZSTD_c_nbWorkers
196+
job_size=_zstd.ZSTD_c_jobSize
197+
overlap_log=_zstd.ZSTD_c_overlapLog
192198

193199
defbounds(self):
194200
"""Return the (lower, upper) int bounds of a compression parameter.
@@ -201,7 +207,7 @@ def bounds(self):
201207
classDecompressionParameter(enum.IntEnum):
202208
"""Decompression parameters."""
203209

204-
window_log_max=_zstd._ZSTD_d_windowLogMax
210+
window_log_max=_zstd.ZSTD_d_windowLogMax
205211

206212
defbounds(self):
207213
"""Return the (lower, upper) int bounds of a decompression parameter.
@@ -219,15 +225,15 @@ class Strategy(enum.IntEnum):
219225
the numeric value might change.
220226
"""
221227

222-
fast=_zstd._ZSTD_fast
223-
dfast=_zstd._ZSTD_dfast
224-
greedy=_zstd._ZSTD_greedy
225-
lazy=_zstd._ZSTD_lazy
226-
lazy2=_zstd._ZSTD_lazy2
227-
btlazy2=_zstd._ZSTD_btlazy2
228-
btopt=_zstd._ZSTD_btopt
229-
btultra=_zstd._ZSTD_btultra
230-
btultra2=_zstd._ZSTD_btultra2
228+
fast=_zstd.ZSTD_fast
229+
dfast=_zstd.ZSTD_dfast
230+
greedy=_zstd.ZSTD_greedy
231+
lazy=_zstd.ZSTD_lazy
232+
lazy2=_zstd.ZSTD_lazy2
233+
btlazy2=_zstd.ZSTD_btlazy2
234+
btopt=_zstd.ZSTD_btopt
235+
btultra=_zstd.ZSTD_btultra
236+
btultra2=_zstd.ZSTD_btultra2
231237

232238

233239
# Check validity of the CompressionParameter & DecompressionParameter types

‎Lib/compression/zstd/_zstdfile.py

Lines changed: 3 additions & 5 deletions
Original file line numberDiff line numberDiff line change
@@ -1,13 +1,11 @@
11
importio
22
fromosimportPathLike
3-
from_zstdimport (ZstdCompressor,ZstdDecompressor,_ZSTD_DStreamSizes,
4-
ZstdError)
3+
from_zstdimport (ZstdCompressor,ZstdDecompressor,ZstdError,
4+
ZSTD_DStreamOutSize)
55
fromcompression._commonimport_streams
66

77
__all__= ("ZstdFile","open")
88

9-
_ZSTD_DStreamOutSize=_ZSTD_DStreamSizes[1]
10-
119
_MODE_CLOSED=0
1210
_MODE_READ=1
1311
_MODE_WRITE=2
@@ -188,7 +186,7 @@ def read1(self, size=-1):
188186
# Note this should *not* be io.DEFAULT_BUFFER_SIZE.
189187
# ZSTD_DStreamOutSize is the minimum amount to read guaranteeing
190188
# a full block is read.
191-
size=_ZSTD_DStreamOutSize
189+
size=ZSTD_DStreamOutSize
192190
returnself._buffer.read1(size)
193191

194192
defreadinto(self,b):

‎Lib/html/parser.py

Lines changed: 19 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -12,6 +12,7 @@
1212
import_markupbase
1313

1414
fromhtmlimportunescape
15+
fromhtml.entitiesimporthtml5ashtml5_entities
1516

1617

1718
__all__= ['HTMLParser']
@@ -23,6 +24,7 @@
2324

2425
entityref=re.compile('&([a-zA-Z][-.a-zA-Z0-9]*)[^a-zA-Z0-9]')
2526
charref=re.compile('&#(?:[0-9]+|[xX][0-9a-fA-F]+)[^0-9a-fA-F]')
27+
attr_charref=re.compile(r'&(#[0-9]+|#[xX][0-9a-fA-F]+|[a-zA-Z][a-zA-Z0-9]*)[;=]?')
2628

2729
starttagopen=re.compile('<[a-zA-Z]')
2830
piclose=re.compile('>')
@@ -57,6 +59,22 @@
5759
# </ and the tag name, so maybe this should be fixed
5860
endtagfind=re.compile(r'</\s*([a-zA-Z][-.a-zA-Z0-9:_]*)\s*>')
5961

62+
# Character reference processing logic specific to attribute values
63+
# See: https://html.spec.whatwg.org/multipage/parsing.html#named-character-reference-state
64+
def_replace_attr_charref(match):
65+
ref=match.group(0)
66+
# Numeric / hex char refs must always be unescaped
67+
ifref.startswith('&#'):
68+
returnunescape(ref)
69+
# Named character / entity references must only be unescaped
70+
# if they are an exact match, and they are not followed by an equals sign
71+
ifnotref.endswith('=')andref[1:]inhtml5_entities:
72+
returnunescape(ref)
73+
# Otherwise do not unescape
74+
returnref
75+
76+
def_unescape_attrvalue(s):
77+
returnattr_charref.sub(_replace_attr_charref,s)
6078

6179

6280
classHTMLParser(_markupbase.ParserBase):
@@ -323,7 +341,7 @@ def parse_starttag(self, i):
323341
attrvalue[:1]=='"'==attrvalue[-1:]:
324342
attrvalue=attrvalue[1:-1]
325343
ifattrvalue:
326-
attrvalue=unescape(attrvalue)
344+
attrvalue=_unescape_attrvalue(attrvalue)
327345
attrs.append((attrname.lower(),attrvalue))
328346
k=m.end()
329347

‎Lib/sqlite3/__main__.py

Lines changed: 19 additions & 11 deletions
Original file line numberDiff line numberDiff line change
@@ -48,17 +48,25 @@ def runsource(self, source, filename="<input>", symbol="single"):
4848
Return True if more input is needed; buffering is done automatically.
4949
Return False if input is a complete statement ready for execution.
5050
"""
51-
matchsource:
52-
case".version":
53-
print(f"{sqlite3.sqlite_version}")
54-
case".help":
55-
print("Enter SQL code and press enter.")
56-
case".quit":
57-
sys.exit(0)
58-
case _:
59-
ifnotsqlite3.complete_statement(source):
60-
returnTrue
61-
execute(self._cur,source)
51+
ifnotsourceorsource.isspace():
52+
returnFalse
53+
ifsource[0]==".":
54+
matchsource[1:].strip():
55+
case"version":
56+
print(f"{sqlite3.sqlite_version}")
57+
case"help":
58+
print("Enter SQL code and press enter.")
59+
case"quit":
60+
sys.exit(0)
61+
case"":
62+
pass
63+
case _asunknown:
64+
self.write("Error: unknown command or invalid arguments:"
65+
f' "{unknown}".\n')
66+
else:
67+
ifnotsqlite3.complete_statement(source):
68+
returnTrue
69+
execute(self._cur,source)
6270
returnFalse
6371

6472

‎Lib/test/test_annotationlib.py

Lines changed: 2 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -378,7 +378,7 @@ def f(x: a[[int, str], float]):
378378

379379
defg(
380380
w:a[[int,str],float],
381-
x:a[{int,str},3],
381+
x:a[{int},3],
382382
y:a[{int:str},4],
383383
z:a[(int,str),5],
384384
):
@@ -388,7 +388,7 @@ def g(
388388
anno,
389389
{
390390
"w":"a[[int, str], float]",
391-
"x":"a[{int, str}, 3]",
391+
"x":"a[{int}, 3]",
392392
"y":"a[{int: str}, 4]",
393393
"z":"a[(int, str), 5]",
394394
},

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