a
    h,Me,                     @   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 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$d%Z!eee
e d&d'd(Z"dS ))    N)IODictIterator
NamedTupleOptionalTuplec                   @   s`   e Zd ZG dd deZdZdZdZdZdZ	dZ
dZdZd	Zd
ZdZdZee ddddZdS )_ELFFileHeaderc                   @   s   e Zd ZdZdS )z$_ELFFileHeader._InvalidELFFileHeaderz7
        An invalid ELF file header was found.
        N)__name__
__module____qualname____doc__ r   r   O/var/www/webapp/lib/python3.9/site-packages/pip/_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 |d| _| j| j| jhvrVt |d| _	| j	| j
| jhvrzt |d| _|d| _|d| _ 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                    sF   z   t| }t| |}W n tjy<   t Y n0 |d S )Nr   )readstructcalcsizeunpackerrorr   r   )r   dataresultr   r   r   r   $   s    z'_ELFFileHeader.__init__.<locals>.unpackz>IB   z<Hz>Hz<Iz<Qz>Q)strintZe_ident_magicELF_MAGIC_NUMBERr   r   e_ident_class
ELFCLASS32
ELFCLASS64e_ident_dataELFDATA2LSBELFDATA2MSBZe_ident_versionZe_ident_osabiZe_ident_abiversionr   Ze_ident_padZe_type	e_machineZ	e_versionZe_entryZe_phoffZe_shoffe_flagsZe_ehsizeZe_phentsizeZe_phnumZe_shentsizeZe_shnumZ
e_shstrndx)selfr   r   Zformat_hZformat_iZformat_qZformat_pr   r    r   __init__#   s>    

















z_ELFFileHeader.__init__)r	   r
   r   
ValueErrorr   r%   r'   r(   r*   r+   EM_386ZEM_S390EM_ARMZ	EM_X86_64EF_ARM_ABIMASKEF_ARM_ABI_VER5EF_ARM_ABI_FLOAT_HARDr   bytesr/   r   r   r   r   r      s   r   )r   c               
   C   sZ   z8t tjd} t| }W d    n1 s,0    Y  W n tttjfyT   Y d S 0 |S )Nrb)opensys
executabler   OSError	TypeErrorr   )f
elf_headerr   r   r   _get_elf_headerL   s    *r?   c                  C   sn   t  } | d u rdS | j| jk}|| j| jkM }|| j| jkM }|| j| j@ | j	kM }|| j| j
@ | j
kM }|S NF)r?   r&   r'   r)   r*   r,   r2   r-   r3   r4   r5   r>   r   r   r   r   _is_linux_armhfU   s    

rB   c                  C   sB   t  } | d u rdS | j| jk}|| j| jkM }|| j| jkM }|S r@   )r?   r&   r'   r)   r*   r,   r1   rA   r   r   r   _is_linux_i686h   s    rC   )archr   c                 C   s$   | dkrt  S | dkrt S | dv S )NZarmv7li686>   Zs390xZppc64leppc64x86_64Zaarch64)rB   rC   )rD   r   r   r   _have_compatible_abir   s
    rH   c                   C   s   dS )N2   r   r   r   r   r   <lambda>       rJ   _LAST_GLIBC_MINORc                   @   s   e Zd ZU eed< eed< dS )_GLibCVersionmajorminorN)r	   r
   r   r$   __annotations__r   r   r   r   rM      s   
rM   c                  C   sH   z&t d} | dusJ |  \}}W n ttttfyB   Y dS 0 |S )zJ
    Primary implementation of glibc_version_string using os.confstr.
    CS_GNU_LIBC_VERSIONN)osconfstrsplitAssertionErrorAttributeErrorr;   r0   )Zversion_string_versionr   r   r   _glibc_version_string_confstr   s    
rY   c                  C   s   zddl } W n ty    Y dS 0 z| d}W n tyD   Y dS 0 z
|j}W n tyd   Y dS 0 | j|_| }t|t	s|
d}|S )zG
    Fallback implementation of glibc_version_string using ctypes.
    r   Nascii)ctypesImportErrorZCDLLr;   gnu_get_libc_versionrV   Zc_char_pZrestype
isinstancer#   decode)r[   Zprocess_namespacer]   version_strr   r   r   _glibc_version_string_ctypes   s"    


ra   c                   C   s   t  p
t S )z9Returns glibc version string, or None if not using glibc.)rY   ra   r   r   r   r   _glibc_version_string   s    rb   )r`   r   c                 C   s@   t d| }|s$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$(?P<major>[0-9]+)\.(?P<minor>[0-9]+)z=Expected glibc version with 2 components major.minor, got: %srd   rN   rO   )rematchwarningswarnRuntimeWarningr$   group)r`   mr   r   r   _parse_glibc_version   s    rl   c                  C   s   t  } | d u rdS t| S )Nrc   )rb   rl   )r`   r   r   r   _get_glibc_version   s    rm   )namerD   rX   r   c                 C   s   t  }||k rdS zdd l}W n ty2   Y dS 0 t|drh||d |d |}|d u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)
rm   
_manylinuxr\   hasattrro   boolrM   rq   rs   ru   )rn   rD   rX   Z	sys_glibcrv   r   r   r   r   _is_compatible   s,    






ry   Zmanylinux2014Zmanylinux2010Z
manylinux1))r   rt   )r   rr   )r   rp   )linuxrD   r   c                 c   s   t |sd S tdd}|dv r(tdd}tt  }|g}t|jd ddD ]}t| }|t|| qJ|D ]}|j|jkr|j}nd}t|j|dD ]^}t|j|}	dj|	 }
t	|
||	r| 
d|
V  |	tv rt|	 }t	|||	r| 
d|V  qqld S )	Nr      >   rG   rE      r   rd   zmanylinux_{}_{}rz   )rH   rM   rm   rangerN   rL   appendrO   formatry   replace_LEGACY_MANYLINUX_MAP)rz   rD   Ztoo_old_glibc2Zcurrent_glibcZglibc_max_listZglibc_majorZglibc_minorZ	glibc_maxZ	min_minorZglibc_versiontagZ
legacy_tagr   r   r   platform_tags  s.    



r   )#collections	functoolsrR   re   r   r9   rg   typingr   r   r   r   r   r   r   r?   rx   rB   rC   r#   rH   defaultdictrL   r$   rP   rM   rY   ra   rb   rl   	lru_cacherm   ry   r   r   r   r   r   r   <module>   s4   
 =	
,
