U
    Ha,                     @   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   8/tmp/pip-unpacked-wheel-j379e8h0/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krVt |d| _	| j	| j
| jhk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                    sH   z   t| }t| |}W n tjk
r>   t Y nX |d S )Nr   )readstructcalcsizeunpackerrorr   r   )r   dataresultr   r   r   r   $   s    z'_ELFFileHeader.__init__.<locals>.unpackz>IB   z<Hz>Hz<Iz<Qz>Q)strinte_ident_magicELF_MAGIC_NUMBERr   r   e_ident_class
ELFCLASS32
ELFCLASS64e_ident_dataELFDATA2LSBELFDATA2MSBe_ident_versione_ident_osabie_ident_abiversionr   e_ident_pade_type	e_machine	e_versione_entrye_phoffe_shoffe_flagse_ehsizee_phentsizee_phnume_shentsizee_shnum
e_shstrndx)selfr   r   format_hformat_iformat_qformat_pr   r    r   __init__#   s>    

















z_ELFFileHeader.__init__)r	   r
   r   
ValueErrorr   r&   r(   r)   r+   r,   EM_386EM_S390EM_ARM	EM_X86_64EF_ARM_ABIMASKEF_ARM_ABI_VER5EF_ARM_ABI_FLOAT_HARDr   bytesrC   r   r   r   r   r      s   r   )r   c               
   C   sH   z$t tjd} t| }W 5 Q R X W n tttjfk
rB   Y d S X |S )Nrb)opensys
executabler   OSError	TypeErrorr   )f
elf_headerr   r   r   _get_elf_headerL   s    rU   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)rU   r'   r(   r*   r+   r2   rG   r7   rI   rJ   rK   rT   r   r   r   r   _is_linux_armhfU   s    

rX   c                  C   sB   t  } | d krdS | j| jk}|| j| jkM }|| j| jkM }|S rV   )rU   r'   r(   r*   r+   r2   rE   rW   r   r   r   _is_linux_i686h   s    rY   )archr   c                 C   s$   | dkrt  S | dkrt S | dkS )Narmv7li686>   ppc64ppc64leaarch64x86_64s390x)rX   rY   )rZ   r   r   r   _have_compatible_abir   s
    rb   c                   C   s   dS )N2   r   r   r   r   r   <lambda>       rd   _LAST_GLIBC_MINORc                   @   s   e Zd ZU eed< eed< dS )_GLibCVersionmajorminorN)r	   r
   r   r$   __annotations__r   r   r   r   rg      s   
rg   c                  C   sJ   z&t d} | dk	st|  \}}W n ttttfk
rD   Y dS X |S )zJ
    Primary implementation of glibc_version_string using os.confstr.
    CS_GNU_LIBC_VERSIONN)osconfstrAssertionErrorsplitAttributeErrorrQ   rD   )version_string_versionr   r   r   _glibc_version_string_confstr   s    
rt   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CDLLrQ   gnu_get_libc_versionrp   c_char_prestype
isinstancer#   decode)rv   process_namespacery   version_strr   r   r   _glibc_version_string_ctypes   s"    


r   c                   C   s   t  p
t S )z9Returns glibc version string, or None if not using glibc.)rt   r   r   r   r   r   _glibc_version_string   s    r   )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$(?P<major>[0-9]+)\.(?P<minor>[0-9]+)z=Expected glibc version with 2 components major.minor, got: %sr   rh   ri   )rematchwarningswarnRuntimeWarningr$   group)r   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   _get_glibc_version   s    r   )namerZ   rs   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   r      manylinux1_compatible   manylinux2010_compatible   manylinux2014_compatible)
r   
_manylinuxrw   hasattrr   boolrg   r   r   r   )r   rZ   rs   Z	sys_glibcr   r   r   r   r   _is_compatible   s,    






r   manylinux2014manylinux2010
manylinux1))r   r   )r   r   )r   r   )linuxrZ   r   c                 c   s   t |sd S tdd}|dk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krt|	 }t	|||	r| 
d|V  qqld S )	Nr      >   r\   r`      r   r   zmanylinux_{}_{}r   )rb   rg   r   rangerh   rf   appendri   formatr   replace_LEGACY_MANYLINUX_MAP)r   rZ   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	functoolsrl   r   r   rO   r   typingr   r   r   r   r   r   r   rU   r   rX   rY   r#   rb   defaultdictrf   r$   rj   rg   rt   r   r   r   	lru_cacher   r   r   r   r   r   r   r   <module>   s6     =	
,
