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gh-93099: Fix _pyio to use locale module properly (gh-93136)

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(cherry picked from commit f7fabae75c)

Co-authored-by: Dong-hee Na <donghee.na@python.org>
This commit is contained in:
Miss Islington (bot) 2022-05-23 18:03:37 -07:00 • committed by GitHub
parent fd35be511a
commit 97fe65a7be
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2 changed files with 15 additions and 8 deletions
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19
Lib/_pyio.py
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@ -2022,13 +2022,7 @@ class TextIOWrapper(TextIOBase):
encoding = text_encoding(encoding)
if encoding == "locale":
try:
import locale
except ImportError:
# Importing locale may fail if Python is being built
encoding = "utf-8"
else:
encoding = locale.getencoding()
encoding = self._get_locale_encoding()
if not isinstance(encoding, str):
raise ValueError("invalid encoding: %r" % encoding)
@ -2162,7 +2156,7 @@ class TextIOWrapper(TextIOBase):
if not isinstance(encoding, str):
raise TypeError("invalid encoding: %r" % encoding)
if encoding == "locale":
encoding = locale.getencoding()
encoding = self._get_locale_encoding()
if newline is Ellipsis:
newline = self._readnl
@ -2267,6 +2261,15 @@ class TextIOWrapper(TextIOBase):
self._decoded_chars_used += len(chars)
return chars
def _get_locale_encoding(self):
try:
import locale
except ImportError:
# Importing locale may fail if Python is being built
return "utf-8"
else:
return locale.getencoding()
def _rewind_decoded_chars(self, n):
"""Rewind the _decoded_chars buffer."""
if self._decoded_chars_used < n: