o
    5`,                     @   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 G dd dZdee fddZdefdd	Zdefd
dZdedefddZe dd Ze	eef ed< G dd deZdee fddZdee fddZdee fddZdedeeef fddZe deeef fddZdeded edefd!d"Z d#d$d%d&Z!d'edede
e fd(d)Z"dS )*    N)IODictIterator
NamedTupleOptionalTuplec                   @   sb   e Zd ZG dd deZdZdZdZdZdZ	dZ
dZdZd	Zd
ZdZdZdee ddfddZdS )_ELFFileHeaderc                   @   s   e Zd ZdZdS )z$_ELFFileHeader._InvalidELFFileHeaderz7
        An invalid ELF file header was found.
        N)__name__
__module____qualname____doc__ r   r   6/usr/lib/python3/dist-packages/packaging/_manylinux.py_InvalidELFFileHeader   s    r   iFLE            (   >   l      ~ i   i   filereturnNc                    s|  dt dtf fdd}|d| _| j| jkrt |d| _| j| j| jhvr,t |d| _	| j	| j
| jhvr>t |d| _|d| _|d| _ d| _| j	| j
kr[dnd	}| j	| j
kred
nd}| j	| j
krodnd}| j| jkry|n|}||| _||| _||| _||| _||| _||| _||| _||| _||| _||| _||| _||| _||| _d S )Nfmtr   c                    s@   z  t| }t| |}W |d S  tjy   t w )Nr   )readstructZ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   s\   zt tjd} t| }W d    W |S 1 sw   Y  W |S  tttjfy-   Y d S w )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+   r1   r,   r2   r3   r4   r=   r   r   r   r   _is_linux_armhfU   s   

rA   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+   r0   r@   r   r   r   _is_linux_i686h   s   rB   archc                 C   s$   | dkrt  S | dkrt S | dv S )NZarmv7li686>   ppc64s390xaarch64ppc64lex86_64)rA   rB   )rC   r   r   r   _have_compatible_abir   s
   rJ   c                   C   s   dS )N2   r   r   r   r   r   <lambda>   s    rL   _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   rN      s   
 rN   c                  C   sF   zt d} | dusJ |  \}}W |S  ttttfy"   Y dS w )zJ
    Primary implementation of glibc_version_string using os.confstr.
    CS_GNU_LIBC_VERSIONN)osconfstrsplitAssertionErrorAttributeErrorr:   r/   )Zversion_string_versionr   r   r   _glibc_version_string_confstr   s   
rZ   c                  C   s   zddl } W n
 ty   Y dS w z| d}W n
 ty"   Y dS w z|j}W n
 ty2   Y dS w | j|_| }t|t	sD|
d}|S )zG
    Fallback implementation of glibc_version_string using ctypes.
    r   Nascii)ctypesImportErrorZCDLLr:   gnu_get_libc_versionrW   Zc_char_pZrestype
isinstancer"   decode)r\   Zprocess_namespacer^   version_strr   r   r   _glibc_version_string_ctypes   s(   


rb   c                   C   s   t  pt S )z9Returns glibc version string, or None if not using glibc.)rZ   rb   r   r   r   r   _glibc_version_string   s   rc   ra   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re   rO   rP   )rematchwarningswarnRuntimeWarningr#   group)ra   mr   r   r   _parse_glibc_version   s   rm   c                  C   s   t  } | d u r	dS t| S )Nrd   )rc   rm   )ra   r   r   r   _get_glibc_version   s   rn   namerY   c                 C   s   t  }||k r	dS zdd l}W n
 ty   Y dS w t|dr4||d |d |}|d ur2t|S dS |tddkrEt|drEt|jS |tdd	krVt|d
rVt|jS |tddkrgt|drgt|j	S dS )NFr   Tmanylinux_compatibler   r      manylinux1_compatible   manylinux2010_compatible   manylinux2014_compatible)
rn   
_manylinuxr]   hasattrrp   boolrN   rr   rt   rv   )ro   rC   rY   Z	sys_glibcrw   r   r   r   r   _is_compatible   s.   






rz   Zmanylinux2014Zmanylinux2010Z
manylinux1))r   ru   )r   rs   )r   rq   linuxc                 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|| q&|D ]E}|j|jkrC|j}nd}t|j|dD ]/}t|j|}	dj|	 }
t	|
||	rf| 
d|
V  |	tv r{t|	 }t	|||	r{| 
d|V  qLq7d S )	Nr      >   rD   rI      r   re   zmanylinux_{}_{}r{   )rJ   rN   rn   rangerO   rM   appendrP   formatrz   replace_LEGACY_MANYLINUX_MAP)r{   rC   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  s6   



r   )#collections	functoolsrS   rf   r   r8   rh   typingr   r   r   r   r   r   r   r>   ry   rA   rB   r"   rJ   defaultdictrM   r#   rQ   rN   rZ   rb   rc   rm   	lru_cachern   rz   r   r   r   r   r   r   <module>   s6   
  =	
,
