a

�*�^��
@s�dZd
dl
mZ
ddlmZ
zddlmZ
WnFeyr
Z
z.ddlm	Z	
e	�
e�

ddlmZ
WYdZ[n
dZ[00dd	�Zd
d�Z
dS)z1Interface thunk for a StaticTuple implementation.�)
�absolute_import�
)
�debug)
�StaticTuple)
�osutilsNc

Cs4d
tj
v
rt�|�
St|t�s0tdt|�
f
�
�
|S)a	
Check if the passed object is a StaticTuple.

    Cast it if necessary, but if the 'static_tuple' debug flag is set, raise an
    error instead.

    As apis are improved, we will probably eventually stop calling this as it
    adds overhead we shouldn't need.
    Zstatic_tuplez"We expected a StaticTuple not a %s)rZdebug_flagsrZ
from_sequence�
isinstance�	TypeError�type)
�obj�r�5/usr/lib/python3/dist-packages/breezy/static_tuple.py�expect_static_tuples
	






r
c
Cs8g}
|D]&}t|t
ttf�r$t|�
}|
�|�

qt
|
�
S)
z�Ensure that the object and any referenced objects are plain tuples.

    :param obj: a list, tuple or StaticTuple
    :return: a plain tuple instance, with all children also being tuples.
    )r�tuple�listr�	as_tuples�append)r
�result�itemrrrr/s




r)�__doc__Z
__future__r�rZ_static_tuple_cr�ImportError�
erZfailed_to_load_extensionZ_static_tuple_pyr
rrrrr�<module>s





"