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Helpers for configuring locale settings.

Name `localization` is chosen to avoid overlap with builtin `locale` module.
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    Context manager for temporarily setting a locale.

    Parameters
    ----------
    new_locale : str or tuple
        A string of the form <language_country>.<encoding>. For example to set
        the current locale to US English with a UTF8 encoding, you would pass
        "en_US.UTF-8".
    lc_var : int, default `locale.LC_ALL`
        The category of the locale being set.

    Notes
    -----
    This is useful when you want to run a particular block of code under a
    particular locale, without globally setting the locale. This probably isn't
    thread-safe.
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    Check to see if we can set a locale, and subsequently get the locale,
    without raising an Exception.

    Parameters
    ----------
    lc : str
        The locale to attempt to set.
    lc_var : int, default `locale.LC_ALL`
        The category of the locale being set.

    Returns
    -------
    bool
        Whether the passed locale can be set
    )r	   NFT)r   Ú
ValueErrorr   ÚError)r   r	   r   r   r   Úcan_set_locale9   s    "r   zlist[str] | strz	list[str])ÚlocalesÚ	normalizer
   c                   s   dd„ ‡ fdd„| D ƒD ƒS )ar  
    Return a list of normalized locales that do not throw an ``Exception``
    when set.

    Parameters
    ----------
    locales : str
        A string where each locale is separated by a newline.
    normalize : bool
        Whether to call ``locale.normalize`` on each locale.

    Returns
    -------
    valid_locales : list
        A list of valid locales.
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<listcomp>e   s   ûz"_valid_locales.<locals>.<listcomp>c                 3  s(   | ] }ˆ rt  | ¡ ¡n| ¡ V  qd S )N)r   r   Ústripr   ©r   r   r   Ú	<genexpr>g   s   ÿz!_valid_locales.<locals>.<genexpr>r   )r   r   r   r   r   Ú_valid_localesT   s
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yv   | t|dd�¡ Y q40 q4W n tyŽ   Y n0 | du r¢t||ƒS t | › d�¡}| d	 |¡¡}t||ƒS )
a)  
    Get all the locales that are available on the system.

    Parameters
    ----------
    prefix : str
        If not ``None`` then return only those locales with the prefix
        provided. For example to get all English language locales (those that
        start with ``"en"``), pass ``prefix="en"``.
    normalize : bool
        Call ``locale.normalize`` on the resulting list of available locales.
        If ``True``, only locales that can be set without throwing an
        ``Exception`` are returned.

    Returns
    -------
    locales : list of strings
        A list of locale strings that can be set with ``locale.setlocale()``.
        For example::

            locale.setlocale(locale.LC_ALL, locale_string)

    On error will return an empty list (no locale available, e.g. Windows)

    )ÚLinuxÚDarwinr   z-aó   
)Úencodingzwindows-1252Nz.*Ú
)ÚplatformÚsystemÚ
subprocessÚcheck_outputÚsplitÚappendr   r   Údisplayr&   ÚUnicodeErrorÚ	TypeErrorr!   ÚreÚcompileÚfindallÚjoin)r"   r   Zraw_localesZsplit_raw_localesZout_localesÚxÚpatternÚfoundr   r   r   Úget_localeso   s$    

r8   )NT)Ú__doc__Ú
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contextlibr   r   r(   r1   r*   Útypingr   Zpandas._config.configr   Úcollections.abcr   ÚLC_ALLr   r   r!   r8   r   r   r   r   Ú<module>   s$   ÿ#  þ