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babel.localedata
~~~~~~~~~~~~~~~~
Low-level locale data access.
:note: The `Locale` class, which uses this module under the hood, provides a
more convenient interface for accessing the locale data.
:copyright: (c) 2013-2019 by the Babel Team.
:license: BSD, see LICENSE for more details.
� N)�chain)�pickle� string_types�abcz locale-datac C sL | rt | t�s dS | �� �� } t�tt� g�D ] }| |�� kr#| S qdS )z�Normalize a locale ID by stripping spaces and apply proper casing.
Returns the normalized locale ID string or `None` if the ID is not
recognized.
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| ��S )z�Check whether locale data is available for the given locale.
Returns `True` if it exists, `False` otherwise.
:param name: the locale identifier string
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available.
This data is cached after the first invocation in `locale_identifiers.cache`.
Removing the `locale_identifiers.cache` attribute or setting it to `None`
will cause this function to re-read the list from disk.
.. versionadded:: 0.8.1
:return: a list of locale identifiers (strings)
�cacheNc S s$ g | ]\}}|d kr|dkr|�qS )z.dat�rootr )�.0�stem� extensionr r r �
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�� }| dkre|ret|t� |�� nt� |�}W d � n1 stw Y |t| < |W t�� S t�� w ) ae Load the locale data for the given locale.
The locale data is a dictionary that contains much of the data defined by
the Common Locale Data Repository (CLDR). This data is stored as a
collection of pickle files inside the ``babel`` package.
>>> d = load('en_US')
>>> d['languages']['sv']
u'Swedish'
Note that the results are cached, and subsequent requests for the same
locale return the same dictionary:
>>> d1 = load('en_US')
>>> d2 = load('en_US')
>>> d1 is d2
True
:param name: the locale identifier string (or "root")
:param merge_inherited: whether the inherited data should be merged into
the data of the requested locale
:raise `IOError`: if no locale data file is found for the given locale
identifer, or one of the locales it inherits from
r r )�
get_global�parent_exceptions�_� N���r �rb)r r r � _cache_lock�acquirer
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� �r3 c C s� |� � D ]I\}}|durM| �|�}t|t�rG|du r i }t|t�r&||f}n#t|t�r=|\}}|�� }t||� ||f}n |�� }t||� n|}|| |< qdS )an Merge the data from `dict2` into the `dict1` dictionary, making copies
of nested dictionaries.
>>> d = {1: 'foo', 3: 'baz'}
>>> merge(d, {1: 'Foo', 2: 'Bar'})
>>> sorted(d.items())
[(1, 'Foo'), (2, 'Bar'), (3, 'baz')]
:param dict1: the dictionary to merge into
:param dict2: the dictionary containing the data that should be merged
N)�itemsr/ r �dict�Alias�tupler4 r6 )�dict1�dict2�key�val2�val1�alias�othersr r r r6 � s&
��r6 c @ s( e Zd ZdZdd� Zdd� Zdd� ZdS ) r> z�Representation of an alias in the locale data.
An alias is a value that refers to some other part of the locale data,
as specified by the `keys`.
c C s t |�| _d S r )r? �keys)�selfrG r r r �__init__� � zAlias.__init__c C s dt | �j| jf S )Nz<%s %r>)�type�__name__rG �rH r r r �__repr__� � zAlias.__repr__c C sP |}| j D ]}|| }qt|t�r|�|�}|S t|t�r&|\}}|�|�}|S )z�Resolve the alias based on the given data.
This is done recursively, so if one alias resolves to a second alias,
that second alias will also be resolved.
:param data: the locale data
:type data: `dict`
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|| jd�}||ur>|| j |< |S �N)rQ ) rV r r> rP rQ r? r4 r6 rK r= rU )rH rB �orig�valrE rF r r r � __getitem__� s
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