B
    KkdÉ  ã               @   s–   d dl Z d dlZd dlZd dlZd dlmZ erDd dlmZmZm	Z	 e j
dfe jdfe jdfe jdfe jdfe jd	fe jd
fgZe d¡Zdd„ ZdS )é    N)ÚMYPY_CHECK_RUNNING)ÚListÚTupleÚTextÚutf8Úutf16zutf16-bezutf16-leÚutf32zutf32-bezutf32-les   coding[:=]\s*([-\w.]+)c             C   s¢   x0t D ](\}}|  |¡r| t|ƒd…  |¡S qW xV|  d¡dd… D ]@}|dd… dkrFt |¡rFt |¡ ¡ d  d¡}|  |¡S qFW |  t 	d¡pžt
 ¡ ¡S )	zŠCheck a bytes string for a BOM to correctly detect the encoding

    Fallback to locale.getpreferredencoding(False) like open() on Python3Nó   
é   r   é   ó   #ÚasciiF)ÚBOMSÚ
startswithÚlenÚdecodeÚsplitÚENCODING_REÚsearchÚgroupsÚlocaleÚgetpreferredencodingÚsysÚgetdefaultencoding)ÚdataÚbomÚencodingÚline© r   ú=/tmp/pip-install-gxxfd9b7/pip/pip/_internal/utils/encoding.pyÚauto_decode   s    
r    )Úcodecsr   Úrer   Úpip._internal.utils.typingr   Útypingr   r   r   ÚBOM_UTF8Ú	BOM_UTF16ÚBOM_UTF16_BEÚBOM_UTF16_LEÚ	BOM_UTF32ÚBOM_UTF32_BEÚBOM_UTF32_LEr   Úcompiler   r    r   r   r   r   Ú<module>   s   
