3
6b,                 @   sz  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 G dd dZee dddZeddd	Zedd
dZeedddZe jdd Ze	eef 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j eeef dddZeeeeddd Zd+d#d,d%d-d'iZ eee
e d(d)d*Z!dS ).    N)IODictIterator
NamedTupleOptionalTuplec               @   s`   e Zd ZG dd deZdZdZdZdZdZ	dZ
dZdZd	Zd
ZdZdZee ddddZdS )_ELFFileHeaderc               @   s   e Zd ZdZdS )z$_ELFFileHeader._InvalidELFFileHeaderz7
        An invalid ELF file header was found.
        N)__name__
__module____qualname____doc__ r   r   f/var/www/html/sandeepIITI/myenv/lib/python3.6/site-packages/setuptools/_vendor/packaging/_manylinux.py_InvalidELFFileHeader   s   r   iFLE            (   >   l      ~ i   i   N)filereturnc                sz  t td fdd}|d| _| j| jkr2tj |d| _| j| j| jhkrVtj |d| _	| j	| j
| jhkrztj |d| _|d| _|d| _ jd| _| j	| j
krdnd}| j	| j
krd	nd}| j	| j
krd
nd}| j| jkr|n|}||| _||| _||| _||| _||| _||| _||| _||| _||| _||| _||| _||| _||| _d S )N)fmtr   c                sH   y  j tj| }tj| |}W n tjk
r>   tj Y nX |d S )Nr   )readstructcalcsizeunpackerrorr   r   )r   dataresult)r   r   r   r   $   s    z'_ELFFileHeader.__init__.<locals>.unpackz>IB   z<Hz>Hz<Iz<Qz>Q)strinte_ident_magicELF_MAGIC_NUMBERr   r   e_ident_class
ELFCLASS32
ELFCLASS64e_ident_dataELFDATA2LSBELFDATA2MSBe_ident_versione_ident_osabie_ident_abiversionr   e_ident_pade_type	e_machine	e_versione_entrye_phoffe_shoffe_flagse_ehsizee_phentsizee_phnume_shentsizee_shnum
e_shstrndx)selfr   r   format_hformat_iformat_qformat_pr   )r   r   __init__#   s>    

















z_ELFFileHeader.__init__)r	   r
   r   
ValueErrorr   r%   r'   r(   r*   r+   EM_386EM_S390EM_ARM	EM_X86_64EF_ARM_ABIMASKEF_ARM_ABI_VER5EF_ARM_ABI_FLOAT_HARDr   bytesrB   r   r   r   r   r      s   r   )r   c              C   sF   y$t tjd} t| }W d Q R X W n tttjfk
r@   d S X |S )Nrb)opensys
executabler   OSError	TypeErrorr   )f
elf_headerr   r   r   _get_elf_headerL   s    rT   c              C   sn   t  } | d krdS | j| jk}|| j| jkM }|| j| jkM }|| j| j@ | j	kM }|| j| j
@ | j
kM }|S )NF)rT   r&   r'   r)   r*   r1   rF   r6   rH   rI   rJ   )rS   r   r   r   r   _is_linux_armhfU   s    



rU   c              C   sB   t  } | d krdS | j| jk}|| j| jkM }|| j| jkM }|S )NF)rT   r&   r'   r)   r*   r1   rD   )rS   r   r   r   r   _is_linux_i686h   s    rV   )archr   c             C   s$   | dkrt  S | dkrt S | dkS )	Narmv7li686x86_64aarch64ppc64ppc64les390x>   rZ   r^   r\   r[   r]   )rU   rV   )rW   r   r   r   _have_compatible_abir   s
    r_   c               C   s   dS )N2   r   r   r   r   r   <lambda>   s    ra   c               @   s   e Zd ZU eedS )_GLibCVersionN)r	   r
   r   r#   majorminorr   r   r   r   rb      s   
rb   c              C   sH   y&t jd} | dk	st| j \}}W n ttttfk
rB   dS X |S )zJ
    Primary implementation of glibc_version_string using os.confstr.
    CS_GNU_LIBC_VERSIONN)osconfstrAssertionErrorsplitAttributeErrorrP   rC   )version_string_versionr   r   r   _glibc_version_string_confstr   s    
rn   c              C   s   yddl } W n tk
r    dS X y| jd}W n tk
rD   dS X y
|j}W n tk
rd   dS X | j|_| }t|t	s|j
d}|S )zG
    Fallback implementation of glibc_version_string using ctypes.
    r   Nascii)ctypesImportErrorCDLLrP   gnu_get_libc_versionrj   c_char_prestype
isinstancer"   decode)rp   process_namespacers   version_strr   r   r   _glibc_version_string_ctypes   s"    


rz   c               C   s   t  p
t S )z9Returns glibc version string, or None if not using glibc.)rn   rz   r   r   r   r   _glibc_version_string   s    r{   )ry   r   c             C   s@   t jd| }|s$tjd|  t dS t|jdt|j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: %sr   rc   rd   r|   )r|   r|   )rematchwarningswarnRuntimeWarningr#   group)ry   mr   r   r   _parse_glibc_version   s    r   c              C   s   t  } | d krdS t| S )Nr   r|   r|   )r|   r|   )r{   r   )ry   r   r   r   _get_glibc_version   s    r   )namerW   rm   r   c             C   s   t  }||k rdS ydd l}W n tk
r2   dS X t|drh|j|d |d |}|d k	rdt|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   r      manylinux1_compatible   manylinux2010_compatible   manylinux2014_compatible)
r   
_manylinuxrq   hasattrr   boolrb   r   r   r   )r   rW   rm   	sys_glibcr   r   r   r   r   _is_compatible   s,    






r   r   r   manylinux2014r   manylinux2010r   
manylinux1)linuxrW   r   c             c   s  t |sd S tdd}|d	kr(tdd}tt  }|g}x2t|jd dd
D ]}t| }|jt|| qLW x|D ]}|j|jkr|j}nd}xpt|j|dD ]^}t|j|}	dj|	 }
t	|
||	r| j
d|
V  |	tkrt|	 }t	|||	r| j
d|V  qW qrW d S )Nr      rZ   rY      r   zmanylinux_{}_{}r   >   rZ   rY   r|   r|   r|   )r_   rb   r   rangerc   _LAST_GLIBC_MINORappendrd   formatr   replace_LEGACY_MANYLINUX_MAP)r   rW   too_old_glibc2current_glibcglibc_max_listglibc_majorglibc_minor	glibc_max	min_minorglibc_versiontag
legacy_tagr   r   r   platform_tags  s.    




r   )r   r   )r   r   )r   r   )"collections	functoolsrf   r}   r   rN   r   typingr   r   r   r   r   r   r   rT   r   rU   rV   r"   r_   defaultdictr   r#   rb   rn   rz   r{   r   	lru_cacher   r   r   r   r   r   r   r   <module>   s4     =	
,