3
ûâdeà,  ã               @   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ƒZee dœdd„Zedœdd	„Zedœd
d„Zeedœdd„Ze jdd„ ƒZe	eef G dd„ deƒZee dœdd„Zee dœdd„Zee dœdd„Zeeeef dœdd„Zejƒ eeef dœdd„ƒZeeeedœdd „Zd+d#d,d%d-d'iZ eee
e d(œd)d*„Z!dS ).é    N)ÚIOÚDictÚIteratorÚ
NamedTupleÚOptionalÚTuplec               @   s`   e Zd ZG dd„ deƒ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œdd„ZdS )Ú_ELFFileHeaderc               @   s   e Zd ZdZdS )z$_ELFFileHeader._InvalidELFFileHeaderz7
        An invalid ELF file header was found.
        N)Ú__name__Ú
__module__Ú__qualname__Ú__doc__© r   r   ú?/tmp/pip-build-red6nood/pip/pip/_vendor/packaging/_manylinux.pyÚ_InvalidELFFileHeader   s   r   iFLEé   é   é   é   é(   é>   l      ~ i   i   N)ÚfileÚreturnc                sz  t tdœ‡ fdd„}|dƒ| _| j| jkr2tjƒ ‚|dƒ| _| j| j| jhkrVtjƒ ‚|dƒ| _	| j	| j
| jhkrztjƒ ‚|dƒ| _|dƒ| _|dƒ| _ˆ jdƒ| _| j	| j
kr´dnd}| j	| j
krÈd	nd}| j	| j
krÜd
nd}| j| jkrð|n|}||ƒ| _||ƒ| _||ƒ| _||ƒ| _||ƒ| _||ƒ| _||ƒ| _||ƒ| _||ƒ| _||ƒ| _||ƒ| _||ƒ| _||ƒ| _d S )N)Úfmtr   c                sH   y ˆ j tj| ƒƒ}tj| |ƒ}W n tjk
r>   tjƒ ‚Y nX |d S )Nr   )ÚreadÚstructÚcalcsizeÚunpackÚerrorr   r   )r   ÚdataÚresult)r   r   r   r   $   s    z'_ELFFileHeader.__init__.<locals>.unpackz>IÚBé   z<Hz>Hz<Iz<Qz>Q)ÚstrÚintZe_ident_magicÚELF_MAGIC_NUMBERr   r   Úe_ident_classÚ
ELFCLASS32Ú
ELFCLASS64Úe_ident_dataÚELFDATA2LSBÚELFDATA2MSBZe_ident_versionZe_ident_osabiZe_ident_abiversionr   Ze_ident_padZe_typeÚ	e_machineZ	e_versionZe_entryZe_phoffZe_shoffÚe_flagsZe_ehsizeZe_phentsizeZe_phnumZe_shentsizeZe_shnumZ
e_shstrndx)Úselfr   r   Zformat_hZformat_iZformat_qZformat_pr   )r   r   Ú__init__#   s>    

















z_ELFFileHeader.__init__)r	   r
   r   Ú
ValueErrorr   r$   r&   r'   r)   r*   ÚEM_386ZEM_S390ÚEM_ARMZ	EM_X86_64ÚEF_ARM_ABIMASKÚEF_ARM_ABI_VER5ÚEF_ARM_ABI_FLOAT_HARDr   Úbytesr.   r   r   r   r   r      s   r   )r   c              C   sF   y$t tjdƒ�} t| ƒ}W d Q R X W n tttjfk
r@   d S X |S )NÚrb)ÚopenÚsysÚ
executabler   ÚOSErrorÚ	TypeErrorr   )ÚfÚ
elf_headerr   r   r   Ú_get_elf_headerL   s    r>   c              C   sn   t ƒ } | 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)r>   r%   r&   r(   r)   r+   r1   r,   r2   r3   r4   )r=   r   r   r   r   Ú_is_linux_armhfU   s    



r?   c              C   sB   t ƒ } | d krdS | j| jk}|| j| jkM }|| j| jkM }|S )NF)r>   r%   r&   r(   r)   r+   r0   )r=   r   r   r   r   Ú_is_linux_i686h   s    r@   )Úarchr   c             C   s$   | dkrt ƒ S | dkrtƒ S | dkS )	NZarmv7lÚi686Úx86_64Úaarch64Úppc64Úppc64leÚs390x>   rF   rC   rE   rD   rG   )r?   r@   )rA   r   r   r   Ú_have_compatible_abir   s
    rH   c               C   s   dS )Né2   r   r   r   r   r   Ú<lambda>   s    rJ   c               @   s   e Zd ZU eedS )Ú_GLibCVersionN)r	   r
   r   r#   ÚmajorÚminorr   r   r   r   rK   ‚   s   
rK   c              C   sH   y&t jdƒ} | dk	st‚| jƒ \}}W n ttttfk
rB   dS X |S )zJ
    Primary implementation of glibc_version_string using os.confstr.
    ÚCS_GNU_LIBC_VERSIONN)ÚosÚconfstrÚAssertionErrorÚsplitÚAttributeErrorr:   r/   )Úversion_stringÚ_Úversionr   r   r   Ú_glibc_version_string_confstr‡   s    
rW   c              C   sŒ   yddl } W n tk
r    dS X y| jdƒ}W n tk
rD   dS X y
|j}W n tk
rd   dS X | j|_|ƒ }t|t	ƒsˆ|j
dƒ}|S )zG
    Fallback implementation of glibc_version_string using ctypes.
    r   NÚascii)ÚctypesÚImportErrorÚCDLLr:   Úgnu_get_libc_versionrS   Úc_char_pÚrestypeÚ
isinstancer"   Údecode)rY   Úprocess_namespacer\   Úversion_strr   r   r   Ú_glibc_version_string_ctypesš   s"    


rc   c               C   s   t ƒ p
tƒ S )z9Returns glibc version string, or None if not using glibc.)rW   rc   r   r   r   r   Ú_glibc_version_stringÆ   s    rd   )rb   r   c             C   s@   t jd| ƒ}|s$tjd|  tƒ dS t|jdƒƒt|jdƒƒ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   rL   rM   éÿÿÿÿre   )re   re   )ÚreÚmatchÚwarningsÚwarnÚRuntimeWarningr#   Úgroup)rb   Úmr   r   r   Ú_parse_glibc_versionË   s    rm   c              C   s   t ƒ } | d krdS t| ƒS )Nr   re   re   )re   re   )rd   rm   )rb   r   r   r   Ú_get_glibc_versionÞ   s    rn   )ÚnamerA   rV   r   c             C   sÒ   t ƒ }||k rdS ydd l}W n tk
r2   dS X t|dƒrh|j|d |d |ƒ}|d k	rdt|ƒS dS |tddƒkrŠt|dƒrŠt|jƒS |tdd	ƒkr¬t|d
ƒr¬t|jƒS |tddƒkrÎt|dƒrÎt|j	ƒS dS )NFr   TÚmanylinux_compatibler   r   é   Úmanylinux1_compatibleé   Úmanylinux2010_compatibleé   Úmanylinux2014_compatible)
rn   Ú
_manylinuxrZ   Úhasattrrp   ÚboolrK   rr   rt   rv   )ro   rA   rV   Z	sys_glibcrw   r   r   r   r   Ú_is_compatibleç   s,    






rz   r   ru   Zmanylinux2014rs   Zmanylinux2010rq   Ú
manylinux1)ÚlinuxrA   r   c             c   s  t |ƒsd S tddƒ}|d	kr(tddƒ}ttƒ Ž }|g}x2t|jd dd
ƒD ]}t| }|jt||ƒƒ qLW x–|D ]Ž}|j|jkrŠ|j}nd}xpt|j|dƒD ]^}t|j|ƒ}	dj|	Ž }
t	|
||	ƒrÒ| j
d|
ƒV  |	tkržt|	 }t	|||	ƒrž| j
d|ƒV  qžW qrW d S )Nr   é   rC   rB   é   r   zmanylinux_{}_{}r|   >   rB   rC   re   re   re   )rH   rK   rn   ÚrangerL   Ú_LAST_GLIBC_MINORÚappendrM   Úformatrz   ÚreplaceÚ_LEGACY_MANYLINUX_MAP)r|   rA   Ztoo_old_glibc2Zcurrent_glibcZglibc_max_listZglibc_majorZglibc_minorZ	glibc_maxZ	min_minorÚglibc_versionÚtagZ
legacy_tagr   r   r   Úplatform_tags  s.    




r‡   )r   ru   )r   rs   )r   rq   )"ÚcollectionsÚ	functoolsrO   rf   r   r8   rh   Útypingr   r   r   r   r   r   r   r>   ry   r?   r@   r"   rH   Údefaultdictr€   r#   rK   rW   rc   rd   rm   Ú	lru_cachern   rz   r„   r‡   r   r   r   r   Ú<module>   s4     =	
,