diff --git a/Lib/locale.py b/Lib/locale.py index 213d5e93418cfb..2feb10e59c96a3 100644 --- a/Lib/locale.py +++ b/Lib/locale.py @@ -13,7 +13,6 @@ import sys import encodings import encodings.aliases -import re import _collections_abc from builtins import str as _builtin_str import functools @@ -177,8 +176,7 @@ def _strip_padding(s, amount): amount -= 1 return s[lpos:rpos+1] -_percent_re = re.compile(r'%(?:\((?P.*?)\))?' - r'(?P[-#0-9 +*.hlL]*?)[eEfFgGdiouxXcrs%]') +_percent_re = None def _format(percent, value, grouping=False, monetary=False, *additional): if additional: @@ -217,6 +215,13 @@ def format_string(f, val, grouping=False, monetary=False): Grouping is applied if the third parameter is true. Conversion uses monetary thousands separator and grouping strings if forth parameter monetary is true.""" + global _percent_re + if _percent_re is None: + import re + + _percent_re = re.compile(r'%(?:\((?P.*?)\))?(?P[-#0-9 +*.hlL]*?)[eEfFgGdiouxXcrs%]') + percents = list(_percent_re.finditer(f)) new_f = _percent_re.sub('%s', f) diff --git a/Misc/NEWS.d/next/Library/2025-02-08-21-37-05.gh-issue-118761.EtqxeB.rst b/Misc/NEWS.d/next/Library/2025-02-08-21-37-05.gh-issue-118761.EtqxeB.rst new file mode 100644 index 00000000000000..b35275b321b4b2 --- /dev/null +++ b/Misc/NEWS.d/next/Library/2025-02-08-21-37-05.gh-issue-118761.EtqxeB.rst @@ -0,0 +1,2 @@ +Improve import time of :mod:`locale` using lazy import ``re``. Patch by +Semyon Moroz. pFad - Phonifier reborn

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