U
    dm"                     @   s  U d dl Z d dlZd dlZd dlZd dlZd dlZd dlZd dlmZm	Z	m
Z
mZmZmZ ddlmZmZmZmZ dZdZdZejee	ee ddf dd	d
ZeedddZeedddZeeedddZe dd Zeeef e d< G dd deZ!ee dddZ"ee dddZ#ee dddZ$eeeef dd d!Z%e& eeef dd"d#Z'eee!ed$d%d&Z(d'd(d)d*Z)eee
e d+d,d-Z*dS ).    N)Dict	GeneratorIterator
NamedTupleOptionalTuple   )EIClassEIDataELFFileEMachinel      ~ i   i   )pathreturnc              
   c   sJ   z$t | d}t|V  W 5 Q R X W n  tttfk
rD   d V  Y nX d S )Nrb)openr   OSError	TypeError
ValueError)r   f r   8/tmp/pip-unpacked-wheel-d55rnsd_/packaging/_manylinux.py
_parse_elf   s
    r   )
executabler   c              
   C   sh   t | V}|d k	oP|jtjkoP|jtjkoP|jtj	koP|j
t@ tkoP|j
t@ tkW  5 Q R  S Q R X d S N)r   capacityr	   C32encodingr
   Lsbmachiner   ZArmflagsEF_ARM_ABIMASKEF_ARM_ABI_VER5EF_ARM_ABI_FLOAT_HARDr   r   r   r   r   _is_linux_armhf   s    



r$   c              
   C   sL   t | :}|d k	o4|jtjko4|jtjko4|jtj	kW  5 Q R  S Q R X d S r   )
r   r   r	   r   r   r
   r   r   r   ZI386r#   r   r   r   _is_linux_i686)   s    



r%   )r   archr   c                 C   s(   |dkrt | S |dkr t| S |dkS )Narmv7li686>   x86_64ppc64leaarch64s390xppc64)r$   r%   )r   r&   r   r   r   _have_compatible_abi3   s
    r.   c                   C   s   dS )N2   r   r   r   r   r   <lambda>@       r0   _LAST_GLIBC_MINORc                   @   s   e Zd ZU eed< eed< dS )_GLibCVersionmajorminorN)__name__
__module____qualname__int__annotations__r   r   r   r   r3   C   s   
r3   )r   c                  C   sN   z*t tdd} | dk	st|  \}}W n ttttfk
rH   Y dS X |S )zJ
    Primary implementation of glibc_version_string using os.confstr.
    confstrCS_GNU_LIBC_VERSIONN)getattrosAssertionErrorrsplitAttributeErrorr   r   )version_string_versionr   r   r   _glibc_version_string_confstrH   s    rE   c                  C   s   zddl } W n tk
r"   Y dS X z| d}W n tk
rH   Y dS X z
|j}W n tk
rj   Y dS X | j|_| }t|t	s|
d}|S )zG
    Fallback implementation of glibc_version_string using ctypes.
    r   Nascii)ctypesImportErrorCDLLr   gnu_get_libc_versionrA   c_char_prestype
isinstancestrdecode)rG   process_namespacerJ   version_strr   r   r   _glibc_version_string_ctypes[   s"    


rR   c                   C   s   t  p
t S )z9Returns glibc version string, or None if not using glibc.)rE   rR   r   r   r   r   _glibc_version_string   s    rS   )rQ   r   c                 C   sB   t d| }|s&td|  t dS t|dt|dfS )a3  Parse glibc version.

    We use a regexp instead of str.split because we want to discard any
    random junk that might come after the minor version -- this might happen
    in patched/forked versions of glibc (e.g. Linaro's version of glibc
    uses version strings like "2.20-2014.11"). See gh-3588.
    z$(?P<major>[0-9]+)\.(?P<minor>[0-9]+)z;Expected glibc version with 2 components major.minor, got: rU   r4   r5   )rematchwarningswarnRuntimeWarningr9   group)rQ   mr   r   r   _parse_glibc_version   s    r]   c                  C   s   t  } | d krdS t| S )NrT   )rS   r]   )rQ   r   r   r   _get_glibc_version   s    r^   )namer&   rD   r   c                 C   s   t  }||k rdS zdd l}W n tk
r4   Y dS X t|drj||d |d |}|d k	rft|S dS |tddkrt|drt|jS |tdd	krt|d
rt|jS |tddkrt|drt|j	S dS )NFr   Tmanylinux_compatibler         manylinux1_compatible   manylinux2010_compatible   manylinux2014_compatible)
r^   
_manylinuxrH   hasattrr`   boolr3   rc   re   rg   )r_   r&   rD   Z	sys_glibcrh   resultr   r   r   _is_compatible   s,    






rl   manylinux2014manylinux2010
manylinux1))ra   rf   )ra   rd   )ra   rb   )linuxr&   r   c                 c   s   t tj|sd S tdd}|dkr,tdd}tt  }|g}t|jd ddD ]}t| }|t|| qN|D ]}|j|jkr|j	}nd}t|j	|dD ]^}t|j|}	dj
|	 }
t|
||	r| d|
V  |	tkrt|	 }t|||	r| d|V  qqpd S )	Nra      >   r(   r)      r   rU   zmanylinux_{}_{}rp   )r.   sysr   r3   r^   ranger4   r2   appendr5   formatrl   replace_LEGACY_MANYLINUX_MAP)rp   r&   Ztoo_old_glibc2Zcurrent_glibcZglibc_max_listZglibc_majorZglibc_minorZ	glibc_maxZ	min_minorglibc_versiontagZ
legacy_tagr   r   r   platform_tags   s.    



r{   )+collections
contextlib	functoolsr>   rV   rs   rX   typingr   r   r   r   r   r   Z_elffiler	   r
   r   r   r    r!   r"   contextmanagerrN   r   rj   r$   r%   r.   defaultdictr2   r9   r:   r3   rE   rR   rS   r]   	lru_cacher^   rl   rx   r{   r   r   r   r   <module>   s>      
,
