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1339 Commits

Author SHA1 Message Date
Serhiy Storchaka
d8e6bdc0d0 gh-135801: Add the module parameter to compile() etc (GH-139652) 
Many functions related to compiling or parsing Python code, such as
compile(), ast.parse(), symtable.symtable(),
and importlib.abc.InspectLoader.source_to_code() now allow to pass
the module name used when filtering syntax warnings.
 2025-11-13 13:21:32 +02:00
Mikhail Efimov
8706167474 gh-140576: Fixed crash produced by lexer in case of dedented zero byte (#140583) 2025-10-29 13:27:35 +00:00
Brian Schubert
3dab11f888 gh-138944: Fix SyntaxError message for invalid syntax following valid import-as statement (#138945) 2025-10-26 22:35:21 +00:00
sobolevn
92c0c45563 gh-138857: Improve error message for case outside of match (#138858) 
* gh-138857: Improve error message for `case` outside of `match`

---------

Co-authored-by: Bartosz Sławecki <bartosz@ilikepython.com>
 2025-10-24 11:20:54 +02:00
Stan Ulbrych
95953b692d gh-140471: Fix buffer overflow in AST node initialization with malformed _fields (#140506) 2025-10-23 15:35:21 +00:00
Bartosz Sławecki
b3b0d75069 gh-140253: Improve the syntax error from an ill-positioned double-star subpattern (#140254) 2025-10-22 21:29:14 +03:00
Maurycy Pawłowski-Wieroński
459d493ce3 gh-140149: Use PyBytesWriter in _build_concatenated_bytes() (#140150) 
Use PyBytesWriter in action_helpers.c _build_concatenated_bytes().
3x faster bytes concat in the parser.

Co-authored-by: Victor Stinner <vstinner@python.org>
 2025-10-16 19:24:34 +02:00
Serhiy Storchaka
5c942f11cd gh-63161: Fix PEP 263 support (GH-139481) 
* Support non-UTF-8 shebang and comments if non-UTF-8 encoding is specified.
* Detect decoding error in comments for UTF-8 encoding.
* Include the decoding error position for default encoding in SyntaxError.
 2025-10-10 12:51:19 +00:00
Tomasz Pytel
539461d9ec gh-139516: Fix lambda colon start format spec in f-string in tokenizer (#139657) 2025-10-07 17:28:15 +01:00
Christoph Walcher
4afa98596e Remove unused prototype _PyPegen_set_source_in_metadata (#138810) 
Remove unused prototype
 2025-09-12 00:40:49 +00:00
sobolevn
cf8f36fe0a gh-138716: Fix assert a := b syntax error message (#138718) 2025-09-10 16:05:16 +03:00
sobolevn
6bc65c30ff gh-136616: Improve assert syntax error messages (#136653) 2025-09-09 23:26:22 +03:00
Pablo Galindo Salgado
4e08a9f97a gh-137078: Fix keyword typo recognition when executed over files (#137079) 2025-08-15 15:14:13 +00:00
Peter Bierma
082f370cdd gh-137514: Add a free-threading wrapper for mutexes (GH-137515) 
Add `FT_MUTEX_LOCK`/`FT_MUTEX_UNLOCK`, which call `PyMutex_Lock` and `PyMutex_Unlock` on the free-threaded build, and no-op otherwise.
 2025-08-07 11:24:50 -04:00
Pablo Galindo Salgado
0153d82a5a gh-137314: Fix incorrect treatment of format specs in raw fstrings (#137328) 2025-08-03 17:10:51 +01:00
Dave Peck
c5e77af131 gh-132661: Disallow Template/str concatenation after PEP 750 spec update (#135996) 
Co-authored-by: sobolevn <mail@sobolevn.me>
Co-authored-by: Lysandros Nikolaou <lisandrosnik@gmail.com>
 2025-07-21 08:44:26 +02:00
Pablo Galindo Salgado
ef66fb597b gh-135148: Correctly handle f/t strings with comments and debug expressions (#135198) 2025-07-16 11:47:13 +02:00
sobolevn
7e33558455 gh-135422: Fix regression in SyntaxError messages after #134036 (#135423) 2025-06-30 21:52:26 +03:00
Dylan
fb9e292919 gh-129958: New syntax error in format spec applies to both f-strings and t-strings (#135570) 
Co-authored-by: Tomas R. <tomas.roun8@gmail.com>
Co-authored-by: Lysandros Nikolaou <lisandrosnik@gmail.com>
 2025-06-26 15:02:50 +02:00
GiGaGon
c2bb3f9843 gh-135496: Fix f string exclamation mark error typo (#135495) 2025-06-14 00:40:42 -04:00
Pablo Galindo Salgado
ff2b5f40c2 gh-130077: Properly match full soft keywords in the parser (#135317) 2025-06-10 14:19:03 +01:00
Bénédikt Tran
754e7c9b51 gh-133157: remove usage of _Py_NO_SANITIZE_UNDEFINED in Parser/pegen.c (#134048) 2025-06-10 01:08:30 +01:00
sobolevn
0d9ccc87a2 gh-134036: Improve error messages for invalid raise statements (#134077) 2025-06-06 01:51:06 +01:00
Victor Stinner
6e80f11eb5 gh-135028: Increase parser MAXSTACK for nested parenthesis (#135031) 2025-06-03 08:40:45 +02:00
Victor Stinner
f49a07b531 gh-133968: Add PyUnicodeWriter_WriteASCII() function (#133973) 
Replace most PyUnicodeWriter_WriteUTF8() calls with
PyUnicodeWriter_WriteASCII().

Unrelated change to please the linter: remove an unused
import in test_ctypes.

Co-authored-by: Peter Bierma <zintensitydev@gmail.com>
Co-authored-by: Bénédikt Tran <10796600+picnixz@users.noreply.github.com>
 2025-05-29 14:54:30 +00:00
sobolevn
84914ad0e5 gh-133999: Fix except parsing regression in 3.14 (#134035) 2025-05-17 17:57:02 +03:00
Serhiy Storchaka
9f69a58623 gh-133767: Fix use-after-free in the unicode-escape decoder with an error handler (GH-129648) 
If the error handler is used, a new bytes object is created to set as
the object attribute of UnicodeDecodeError, and that bytes object then
replaces the original data. A pointer to the decoded data will became invalid
after destroying that temporary bytes object. So we need other way to return
the first invalid escape from _PyUnicode_DecodeUnicodeEscapeInternal().

_PyBytes_DecodeEscape() does not have such issue, because it does not
use the error handlers registry, but it should be changed for compatibility
with _PyUnicode_DecodeUnicodeEscapeInternal().
 2025-05-12 20:42:23 +03:00
Jelle Zijlstra
7dddb4e667 gh-133783: Fix __replace__ on AST nodes for optional attributes (#133797) 2025-05-10 09:17:38 -07:00
Stan Ulbrych
dbca27cfca gh-133379: Fix misuse of the term "arguments" in error messages (GH-133382) 
The right term is "parameters".
 2025-05-10 15:00:43 +03:00
TERESH1
d9b0b07098 gh-133516: Raise ValueError when constants True, False or None are used as an identifier after NFKC normalization (#133523) 2025-05-07 19:11:25 +01:00
Jelle Zijlstra
483d130e50 gh-131421: Fix ASDL tests (#133408) 
PR #131419 broke this, but we failed to run tests on the PR due to a bug
in our script.
 2025-05-04 23:46:21 +00:00
Samuel
30840706b0 gh-131421: fix ASDL grammar for Dict to have an expr?* keys field (#131419) 
In the `ast` documentation for Python:

* https://docs.python.org/3/library/ast.html#ast.Dict
it is made clear that:

> When doing dictionary unpacking using dictionary literals the expression to be expanded goes in the values list, with a `None` at the corresponding position in `keys`.

Hence, `keys` is really a `expr?*` and *not* a `expr*`.

Co-authored-by: Bénédikt Tran <10796600+picnixz@users.noreply.github.com>
Co-authored-by: Jelle Zijlstra <jelle.zijlstra@gmail.com>
 2025-05-04 16:03:38 -07:00
sobolevn
ca0a96dfaa gh-133194: Fix regression with PEP 758 parsing on older feature_version (#133289) 
gh-133192: Fix regression with PEP 758 parsing on older `feature_version`
 2025-05-03 10:33:14 +03:00
sobolevn
1e9cc3d502 gh-133197: Improve error message for incompatible string / bytes prefixes (#133242) 2025-05-02 14:28:17 +03:00
sobolevn
a6ddd078d0 gh-123539: Improve SyntaxError msg for import as with not a name (#123629) 2025-05-02 08:34:13 +00:00
sobolevn
5cdd49b3f4 gh-133196: Guard PEP 750 grammar with CHECK_VERSION (#133225) 2025-05-01 09:17:07 +02:00
sobolevn
b451516aa6 gh-133197: Improve error message for ft"" and bt"" cases (#133202) 2025-04-30 19:20:44 +03:00
sobolevn
b1f893875b gh-133194: Add CHECK_VERSION to new PEP758 grammar (#133195) 2025-04-30 13:39:26 +03:00
Lysandros Nikolaou
60202609a2 gh-132661: Implement PEP 750 (#132662) 
Co-authored-by: Lysandros Nikolaou <lisandrosnik@gmail.com>
Co-authored-by: Bénédikt Tran <10796600+picnixz@users.noreply.github.com>
Co-authored-by: Adam Turner <9087854+AA-Turner@users.noreply.github.com>
Co-authored-by: Hugo van Kemenade <1324225+hugovk@users.noreply.github.com>
Co-authored-by: Wingy <git@wingysam.xyz>
Co-authored-by: Koudai Aono <koxudaxi@gmail.com>
Co-authored-by: Dave Peck <davepeck@gmail.com>
Co-authored-by: Terry Jan Reedy <tjreedy@udel.edu>
Co-authored-by: Paul Everitt <pauleveritt@me.com>
Co-authored-by: sobolevn <mail@sobolevn.me>
 2025-04-30 11:46:41 +02:00
Steele Farnsworth
99b71efe8e gh-129858: Special syntax error for elif block after else (#129902) 2025-04-25 01:25:48 +00:00
Pablo Galindo Salgado
bf3a0a1c0f gh-132449: Improve syntax error messages for keywords with typos (#132450) 
Signed-off-by: Pablo Galindo <pablogsal@gmail.com>
Co-authored-by: Łukasz Langa <lukasz@langa.pl>
 2025-04-22 11:01:55 +02:00
sobolevn
ea8ec95cfa gh-132769: Refactor possible read-out-of-bounds in lexer.c (#132770) 2025-04-21 18:48:48 +01:00
Pablo Galindo Salgado
2f8b08da47 gh-129958: Properly disallow newlines in format specs in single-quoted f-strings (GH-130063) 2025-04-18 14:30:04 +02:00
Chris Eibl
e94d168473 GH-131296: fix clang-cl warning on Windows in pegen.h (#131584) 2025-04-15 17:01:42 +01:00
Pablo Galindo Salgado
c2ac662f28 gh-131831: Implement PEP 758 – Allow except and except* expressions without parentheses (#131833) 2025-04-01 19:04:56 +00:00
Victor Stinner
3796884528 gh-111178: Skip undefined behavior checks in _PyPegen_lookahead() (#131714) 
For example, expression_rule() return type is 'expr_ty', whereas
_PyPegen_lookahead() uses 'void*'.
 2025-03-27 10:03:58 +01:00
rialbat
2c686a9ac2 gh-131762: Fixed dereferencing the pointer 'parser_token->metadata' with a NULL value (#131764) 2025-03-26 18:44:56 +00:00
Victor Stinner
b69da006a4 gh-131238: Remove includes from pycore_interp.h (#131495) 
Remove also now unused includes in C files.
 2025-03-20 11:35:23 +00:00
Victor Stinner
344f3c3fd4 gh-131238: Remove pycore_lock.h includes (#131483) 
PyMutex type is now part of <Python.h>, it's no longer needed to
include <pycore_lock.h> to get it.
 2025-03-19 23:46:25 +00:00
Victor Stinner
4b54031323 gh-131238: Remove pycore_runtime.h from pycore_pystate.h (#131356) 
* Remove includes from pycore_pystate.h:

  * pycore_runtime_structs.h
  * pycore_runtime.h
  * pycore_tstate.h
  * pycore_interp.h

* Reorganize internal headers. Move _gc_thread_state from
  pycore_interp_structs.h to pycore_tstate.h.
* Add 3 new header files to PCbuild/pythoncore.vcxproj.
 2025-03-19 17:33:24 +01:00