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Close #6203: Document that Python 3 sets LC_CTYPE at startup to the user's preferred locale encoding

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Victor Stinner 2012-06-06 01:37:37 +02:00
parent 187aa54516
commit a01f1adb87
1 changed files with 5 additions and 2 deletions
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Doc/library/locale.rst
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@ -475,8 +475,11 @@ in such a way that frequent locale changes may cause core dumps. This makes the
locale somewhat painful to use correctly. locale somewhat painful to use correctly.
Initially, when a program is started, the locale is the ``C`` locale, no matter Initially, when a program is started, the locale is the ``C`` locale, no matter
what the user's preferred locale is. The program must explicitly say that it what the user's preferred locale is. There is one exception: the
wants the user's preferred locale settings by calling ``setlocale(LC_ALL, '')``. :data:`LC_CTYPE` category is changed at startup to set the current locale
encoding to the user's preferred locale encoding. The program must explicitly
say that it wants the user's preferred locale settings for other categories by
calling ``setlocale(LC_ALL, '')``.
It is generally a bad idea to call :func:`setlocale` in some library routine, It is generally a bad idea to call :func:`setlocale` in some library routine,
since as a side effect it affects the entire program. Saving and restoring it since as a side effect it affects the entire program. Saving and restoring it