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Helpers for configuring locale settings.

Name `localization` is chosen to avoid overlap with builtin `locale` module.
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new_localelc_varreturnc              
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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   
ValueErrorr   Error)r   r	   r   r   r   can_set_locale8   s    "r   zlist[str] | strz	list[str])locales	normalizer
   c                   s   dd  fdd| D D 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>d   s   z"_valid_locales.<locals>.<listcomp>c                 3  s(   | ] } rt | n| V  qd S )N)r   r   stripr   r   r   r   	<genexpr>f   s   z!_valid_locales.<locals>.<genexpr>r   )r   r   r   r   r   _valid_localesS   s
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r!   bytes)r
   c                   C  s   t jdgddS )Nz	locale -aT)shell)
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   c           	   
   C  s   z
| }W n t jy    Y dS 0 z\|d}g }|D ]D}z|t|tjjd W q6 tyx   |t|dd Y q60 q6W n t	y   Y n0 | du rt
||S t|  d}|d|}t
||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.
    locale_getter : callable
        The function to use to retrieve the current locales. This should return
        a string with each locale separated by a newline character.

    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 None (no locale available, e.g. Windows)

    N   
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)r$   CalledProcessErrorsplitappendr   r   displayr*   UnicodeError	TypeErrorr!   recompilefindalljoin)	r'   r   r(   Zraw_localesZsplit_raw_localesZout_localesxpatternfoundr   r   r   get_localesr   s&    !


r9   )__doc__
__future__r   
contextlibr   r   r2   r$   typingr   r   Zpandas._config.configr   LC_ALLr   r   r!   r&   r9   r   r   r   r   <module>   s"   #