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83 commits

Author SHA1 Message Date
Pablo Galindo Salgado
5bda2f637e
gh-109114: Relax the check for invalid lambdas inside f-strings to avoid false positives (#109121) 2023-09-08 17:00:23 +00:00
Lysandros Nikolaou
d66bc9e8a7
gh-107967: Fix infinite recursion on invalid escape sequence warning (#107968) 2023-08-15 11:26:42 +00:00
Lysandros Nikolaou
dfe4de2038
gh-106396: Special-case empty format spec to gen empty JoinedStr node (#106401) 2023-07-04 14:19:08 +02:00
Lysandros Nikolaou
6e40ee6e84
gh-105915: Fix SyntaxWarning becoming a SyntaxError with -We in test_fstring (#105943) 2023-06-20 16:13:07 +02:00
Lysandros Nikolaou
4b431d2e90
gh-105915: Add 'r' prefix to not emit SyntaxWarning in test_fstring (#105940) 
Co-authored-by: @sunmy2019
 2023-06-20 14:49:00 +02:00
Lysandros Nikolaou
6586cee27f
gh-105938: Emit a SyntaxWarning for escaped braces in an f-string (#105939) 2023-06-20 12:38:46 +00:00
Lysandros Nikolaou
d382ad4915
gh-105820: Fix tok_mode expression buffer in file & readline tokenizer (#105828) 2023-06-15 16:21:24 +00:00
Pablo Galindo Salgado
12b6d844d8
gh-105800: Issue SyntaxWarning in f-strings for invalid escape sequences (#105801) 2023-06-15 01:08:12 +01:00
Pablo Galindo Salgado
41de54378d
gh-105194: Fix format specifier escaped characters in f-strings (#105231) 2023-06-02 13:33:26 +02:00
Cristián Maureira-Fredes
0a7796052a
gh-102856: Allow comments inside multi-line f-string expresions (#104006) 2023-05-22 10:30:07 +00:00
Pablo Galindo Salgado
ff7f731632
gh-104658: Fix location of unclosed quote error for multiline f-strings (#104660) 2023-05-20 14:07:05 +01:00
sunmy2019
83751bbd14
gh-104089: catch DeprecationWarning in test_fstring (#104137) 
Co-authored-by: Alex Waygood <Alex.Waygood@Gmail.com>
 2023-05-04 11:20:20 +01:00
Pablo Galindo Salgado
b1ca34d4d5
gh-104016: Skip test for deeply neste f-strings on wasi (#104071) 2023-05-01 23:55:41 +00:00
jx124
5078eedc5b
gh-104016: Fixed off by 1 error in f string tokenizer (#104047) 
Co-authored-by: sunmy2019 <59365878+sunmy2019@users.noreply.github.com>
Co-authored-by: Ken Jin <kenjin@python.org>
Co-authored-by: Pablo Galindo <pablogsal@gmail.com>
 2023-05-01 19:15:47 +00:00
Lysandros Nikolaou
9169a56fad
gh-103656: Transfer f-string buffers to parser to avoid use-after-free (GH-103896) 
Co-authored-by: Pablo Galindo <pablogsal@gmail.com>
 2023-04-27 01:33:31 +00:00
Lysandros Nikolaou
cb157a1a35
GH-103727: Avoid advancing tokenizer too far in f-string mode (GH-103775) 2023-04-24 12:30:21 -06:00
Lysandros Nikolaou
05b3ce7339
GH-103718: Correctly cache and restore f-string buffers when needed (GH-103719) 2023-04-23 13:06:10 -06:00
Pablo Galindo Salgado
5f7d68e48d
gh-102856: Skip test_mismatched_parens in WASI builds (#103633) 2023-04-19 11:53:34 -06:00
Pablo Galindo Salgado
1ef61cf71a
gh-102856: Initial implementation of PEP 701 (#102855) 
Co-authored-by: Lysandros Nikolaou <lisandrosnik@gmail.com>
Co-authored-by: Batuhan Taskaya <isidentical@gmail.com>
Co-authored-by: Marta Gómez Macías <mgmacias@google.com>
Co-authored-by: sunmy2019 <59365878+sunmy2019@users.noreply.github.com>
 2023-04-19 11:18:16 -05:00
mjoerg
3eb12df8b5
Fix typo in test_fstring.py (#101823) 2023-02-11 21:04:15 +05:30
Ikko Eltociear Ashimine
272da55aff
Fix typo in test_fstring.py (#101600) 2023-02-09 23:15:58 +05:30
Victor Stinner
a60ddd31be
gh-98401: Invalid escape sequences emits SyntaxWarning (#99011) 
A backslash-character pair that is not a valid escape sequence now
generates a SyntaxWarning, instead of DeprecationWarning.  For
example, re.compile("\d+\.\d+") now emits a SyntaxWarning ("\d" is an
invalid escape sequence), use raw strings for regular expression:
re.compile(r"\d+\.\d+"). In a future Python version, SyntaxError will
eventually be raised, instead of SyntaxWarning.

Octal escapes with value larger than 0o377 (ex: "\477"), deprecated
in Python 3.11, now produce a SyntaxWarning, instead of
DeprecationWarning. In a future Python version they will be
eventually a SyntaxError.

codecs.escape_decode() and codecs.unicode_escape_decode() are left
unchanged: they still emit DeprecationWarning.

* The parser only emits SyntaxWarning for Python 3.12 (feature
  version), and still emits DeprecationWarning on older Python
  versions.
* Fix SyntaxWarning by using raw strings in Tools/c-analyzer/ and
  wasm_build.py.
 2022-11-03 17:53:25 +01:00
Pablo Galindo Salgado
2e9da8e352
gh-94869: Fix the location in some expressions for multi-line f-string ast nodes (#94895) 2022-07-16 19:51:53 +01:00
Eric V. Smith
ee70c70aa9
gh-93418: Fix an assert when an f-string expression is followed by an '=', but no closing brace. (gh-93419) 2022-06-01 19:20:06 -04:00
Serhiy Storchaka
07df8d5b2c
gh-93283: Improve error message for f-string with invalid conversion character (GH-93349) 2022-05-31 20:38:29 +03:00
Maciej Górski
7b44ade018
bpo-47129: Add more informative messages to f-string syntax errors (32127) 
* Add more informative messages to f-string syntax errors

* 📜🤖 Added by blurb_it.

* Fix whitespaces

* Change error message

* Remove the 'else' statement (as sugested in review)

Co-authored-by: blurb-it[bot] <43283697+blurb-it[bot]@users.noreply.github.com>
 2022-03-28 17:08:36 -04:00
Eric V. Smith
ffd9f8ff84
bpo-46762: Fix an assert failure in f-strings where > or < is the last character if the f-string is missing a trailing right brace. (#31365) 2022-02-16 05:54:09 -05:00
Eric V. Smith
0daf72194b
bpo-46503: Prevent an assert from firing when parsing some invalid \N sequences in f-strings. (GH-30865) 
* bpo-46503: Prevent an assert from firing.  Also fix one nearby tiny PEP-7 nit.

* Added blurb.
 2022-01-24 21:53:27 -05:00
Pablo Galindo Salgado
24c10d2943
bpo-45727: Only trigger the 'did you forgot a comma' error suggestion if inside parentheses (GH-29757) 2021-11-24 22:21:23 +00:00
Pablo Galindo Salgado
8e832fb2a2
bpo-44885: Correct the ast locations of f-strings with format specs and repeated expressions (GH-27729) 2021-08-12 17:13:30 +01:00
Pablo Galindo
b86ed8e3bb
bpo-43797: Improve syntax error for invalid comparisons (#25317) 
* bpo-43797: Improve syntax error for invalid comparisons

* Update Lib/test/test_fstring.py

Co-authored-by: Guido van Rossum <gvanrossum@gmail.com>

* Apply review comments

* can't -> cannot

Co-authored-by: Guido van Rossum <gvanrossum@gmail.com>
 2021-04-12 16:59:30 +01:00
Inada Naoki
3caea9adda
bpo-43651: PEP 597: Fix EncodingWarning in some tests (GH-25171) 
* Fix test_float
* Fix _osx_support
* Fix test_fstring
* Fix test_gc
* Fix test_gzip
* Fix test_hashlib
* Fix unrelated whitespace issue

Co-authored-by: Ned Deily <nad@python.org>
 2021-04-04 17:01:10 +09:00
Pablo Galindo
8efad61963
bpo-41064: Improve syntax error for invalid usage of '**' in f-strings (GH-25006) 2021-03-24 19:34:17 +00:00
Pablo Galindo
4090151816
bpo-42986: Fix parser crash when reporting syntax errors in f-string with newlines (GH-24279) 2021-01-31 22:48:23 +00:00
Batuhan Taskaya
a698d52c39
bpo-40176: Improve error messages for unclosed string literals (GH-19346) 
Automerge-Triggered-By: GH:isidentical
 2021-01-20 13:38:47 -08:00
Pablo Galindo
bd2728b1e8
bpo-42806: Fix ast locations of f-strings inside parentheses (GH-24067) 2021-01-03 01:11:41 +00:00
han-solo
749ed85e44
Fixed mistake in test for f-string error description (GH-22036) (GH-22059) 2020-09-02 04:56:37 -04:00
han-solo
0d6aa7f0ee
bpo-41681: Fix for f-string/str.format error description when using 2 , in format specifier (GH-22036) 
* Fixed `f-string/str.format` error description when using two `,` in format specifier.

Co-authored-by: millefalcon <hanish0019@hmail.com>
 2020-09-01 10:34:29 -04:00
Hai Shi
a089d21df1
bpo-40275: Use new test.support helper submodules in tests (GH-21315) 2020-07-06 11:15:08 +02:00
Lysandros Nikolaou
2e0a920e9e
bpo-41084: Adjust message when an f-string expression causes a SyntaxError (GH-21084) 
Prefix the error message with `fstring: `, when parsing an f-string expression throws a `SyntaxError`.
 2020-06-26 12:24:05 +01:00
Serhiy Storchaka
700cfa8c90
bpo-41069: Make TESTFN and the CWD for tests containing non-ascii characters. (GH-21035) 2020-06-25 17:56:31 +03:00
Pablo Galindo
1ed83adb0e
bpo-40939: Remove the old parser (GH-20768) 
This commit removes the old parser, the deprecated parser module, the old parser compatibility flags and environment variables and all associated support code and documentation.
 2020-06-11 17:30:46 +01:00
Pablo Galindo
972ab03276
bpo-40904: Fix segfault in the new parser with f-string containing yield statements with no value (GH-20701) 2020-06-08 01:47:37 +01:00
Lysandros Nikolaou
f7b1e46156
bpo-38964: Print correct filename on a SyntaxError in an fstring (GH-20399) 
When a `SyntaxError` in the expression part of a fstring is found,
the filename attribute of the `SyntaxError` is always `<fstring>`.
With this commit, it gets changed to always have the name of the file
the fstring resides in.

Co-authored-by: Pablo Galindo <Pablogsal@gmail.com>
 2020-05-26 01:32:18 +01:00
Serhiy Storchaka
74ea6b5a75
bpo-40593: Improve syntax errors for invalid characters in source code. (GH-20033) 2020-05-12 12:42:04 +03:00
Lysandros Nikolaou
846d8b28ab
bpo-40246: Revert reporting of invalid string prefixes (GH-19888) 
Due to backwards compatibility concerns regarding keywords immediately followed by a string without whitespace between them (like in `bg="#d00" if clear else"#fca"`) will fail to parse,
commit 41d5b94af4 has to be reverted.
 2020-05-04 12:32:18 +01:00
Victor Stinner
b1e11c31c5
bpo-40443: Remove unused imports in tests (GH-19804) 2020-04-30 02:21:30 +02:00
Lysandros Nikolaou
37af21b667
bpo-40334: Fix shifting of nested f-strings in the new parser (GH-19771) 
`JoinedStr`s and `FormattedValue also needs to be shifted, in order to correctly compute the location information of nested f-strings.
 2020-04-29 01:43:50 +01:00
Victor Stinner
1def7754b7
bpo-40334: Rename PyConfig.use_peg to _use_peg_parser (GH-19670) 
* Rename PyConfig.use_peg to _use_peg_parser
* Document PyConfig._use_peg_parser and mark it a deprecated
* Mark -X oldparser option and PYTHONOLDPARSER env var as deprecated
  in the documentation.
* Add use_old_parser() and skip_if_new_parser() to test.support
* Remove sys.flags.use_peg: use_old_parser() uses
  _testinternalcapi.get_configs() instead.
* Enhance test_embed tests
* subprocess._args_from_interpreter_flags() copies -X oldparser
 2020-04-23 03:03:24 +02:00
Pablo Galindo
c5fc156852
bpo-40334: PEP 617 implementation: New PEG parser for CPython (GH-19503) 
Co-authored-by: Guido van Rossum <guido@python.org>
Co-authored-by: Lysandros Nikolaou <lisandrosnik@gmail.com>
 2020-04-22 23:29:27 +01:00