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8 Commits

Author SHA1 Message Date
Serhiy Storchaka 75a6fadf36
gh-91524: Speed up the regular expression substitution (#91525) 
Functions re.sub() and re.subn() and corresponding re.Pattern methods
are now 2-3 times faster for replacement strings containing group references.

Closes #91524

Primarily authored by serhiy-storchaka Serhiy Storchaka
Minor-cleanups-by: Gregory P. Smith [Google] <greg@krypto.org>
 2022-10-23 15:57:30 -07:00
Victor Stinner 1863302d61
gh-97669: Create Tools/build/ directory (#97963) 
Create Tools/build/ directory. Move the following scripts from
Tools/scripts/ to Tools/build/:

* check_extension_modules.py
* deepfreeze.py
* freeze_modules.py
* generate_global_objects.py
* generate_levenshtein_examples.py
* generate_opcode_h.py
* generate_re_casefix.py
* generate_sre_constants.py
* generate_stdlib_module_names.py
* generate_token.py
* parse_html5_entities.py
* smelly.py
* stable_abi.py
* umarshal.py
* update_file.py
* verify_ensurepip_wheels.py

Update references to these scripts.
 2022-10-17 12:01:00 +02:00
Gregory P. Smith 4beee0c7b0
gh-91404: Revert "bpo-23689: re module, fix memory leak when a match is terminated by a signal or allocation failure (GH-32283) (#93882) 
Revert "bpo-23689: re module, fix memory leak when a match is terminated by a signal or memory allocation failure (GH-32283)"

This reverts commit 6e3eee5c11.

Manual fixups to increase the MAGIC number and to handle conflicts with
a couple of changes that landed after that.

Thanks for reviews by Ma Lin and Serhiy Storchaka.
 2022-06-17 01:19:44 -07:00
Miro Hrončok 16a7e4a0b7
gh-92728: Restore re.template, but deprecate it (GH-93161) 
Revert "bpo-47211: Remove function re.template() and flag re.TEMPLATE (GH-32300)"

This reverts commit b09184bf05.
 2022-05-25 09:05:35 +03:00
Serhiy Storchaka f703c96cf0
gh-91870: Remove unsupported SRE opcode CALL (GH-91872) 
It was initially added to support atomic groups, but that
support was never fully implemented, and CALL was only left
in the compiler, but not interpreter and parser.

ATOMIC_GROUP is now used to support atomic groups.
 2022-04-26 21:07:25 +03:00
Serhiy Storchaka 474fdbe9e4
bpo-47152: Automatically regenerate sre_constants.h (GH-91439) 
* Move the code for generating Modules/_sre/sre_constants.h from
  Lib/re/_constants.py into a separate script
  Tools/scripts/generate_sre_constants.py.
* Add target `regen-sre` in the makefile.
* Make target `regen-all` depending on `regen-sre`.
 2022-04-12 18:34:06 +03:00
Serhiy Storchaka b09184bf05
bpo-47211: Remove function re.template() and flag re.TEMPLATE (GH-32300) 
They were undocumented and never working.
 2022-04-06 19:53:50 +03:00
Serhiy Storchaka 1578f06c1c
bpo-47152: Move sources of the _sre module into a subdirectory (GH-32290) 2022-04-04 10:53:26 +03:00