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Filename :
_osx_support.cpython-36.pyc
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N�PATHZwin32z.exe) �os�environ�split�pathsep�path�splitext�sys�platform�isfile�join)� executabler �paths�baseZext�p�f� r" �"/usr/lib/python3.6/_osx_support.py�_find_executable s r$ c C s� ddl }yddl}|j� }W n( tk rD tdtj� f d�}Y nX |j|��0}d| |jf }tj |�s||j � j d�j � S dS Q R X dS )z0Output from successful command execution or Noner Nz/tmp/_osx_support.%szw+bz%s 2>/dev/null >'%s'zutf-8) � contextlib�tempfileZNamedTemporaryFile� ImportError�openr �getpid�closing�name�system�read�decode�strip)Z commandstringr% r& �fp�cmdr" r" r# � _read_output7 s r2 c C s t | �ptd| f �pdS )z0Find a build tool on current path or using xcrunz/usr/bin/xcrun -find %s� )r$ r2 )Ztoolnamer" r" r# �_find_build_toolJ s r4 c C sx t dkrtda y td�} W n tk r, Y nHX ztjd| j� �}W d| j� X |dk rtdj|jd�j d�dd� �a t S )z*Return the OS X system version as a stringNr3 z0/System/Library/CoreServices/SystemVersion.plistz=<key>ProductUserVisibleVersion</key>\s*<string>(.*?)</string>�.� � ) �_SYSTEM_VERSIONr( �OSError�re�searchr- �closer �groupr )r! �mr" r" r# �_get_system_versionS s r? c C s& x t | �D ]}|jt�r | |= q W dS )z-Remove original unmodified values for testingN)�list� startswith�_INITPRE)� _config_vars�kr" r" r# �_remove_original_valuesq s rE c C s8 | j |d�}||kr,t| | kr,|| t| < || |< dS )z@Save modified and original unmodified value of configuration varr3 N)�getrB )rC �cvZnewvalueZoldvaluer" r" r# �_save_modified_valuex s rH c C sT t � } | r@y tdd� | jd�D ��} W n tk r> d} Y nX | rPt| dk�S dS ) z=Returns True if universal builds are supported on this systemc s s | ]}t |�V qd S )N)�int)�.0�ir" r" r# � <genexpr>� s z-_supports_universal_builds.<locals>.<genexpr>r5 r3 � � F)rM rN )r? �tupler � ValueError�bool)Z osx_versionr" r" r# �_supports_universal_builds� s rR c C s� dt jkr| S | d j� d }}t|�s4td�}n<t jj|�jd�rptd|j dd�f �}|rpd|krptd�}|s|t d ��||kr�xTt D ]L}|| kr�|t jkr�| | j� }|d kr�|n|d |d< t | |d j |�� q�W | S ) z7Find appropriate C compiler for extension module buildsr r ZclangZgccz'%s' --version�'z'"'"'zllvm-gccz Cannot locate working compilerr z++� )r r r r$ r4 r �basenamerA r2 �replace� SystemError�_COMPILER_CONFIG_VARSrH r )rC ZccZoldcc�datarG Zcv_splitr" r" r# �_find_appropriate_compiler� s( rZ c C sZ xTt D ]L}|| kr|tjkr| | }tjdd|tjd�}tjdd|�}t| ||� qW | S )z5Remove all universal build arguments from config varsz -arch\s+\w+\srT )�flagsz-isysroot [^ ]*)�_UNIVERSAL_CONFIG_VARSr r r: �sub�ASCIIrH )rC rG r[ r" r" r# �_remove_universal_flags� s r_ c C s� dt jkr| S tjd| d �dk r�t jd| d jdd�f �}|r�x@tD ]8}|| krH|t jkrH| | }tjdd |�}t| ||� qHW | S ) z-Remove any unsupported archs from config varsr z -arch\s+ppcr NzNecho 'int main{};' | '%s' -c -arch ppc -x c -o /dev/null /dev/null 2>/dev/nullrS z'"'"'z-arch\s+ppc\w*\srT ) r r r: r; r, rV r\ r] rH )rC ZstatusrG r[ r" r" r# �_remove_unsupported_archs� s r` c C sh dt jkrdt jd }xNtD ]F}|| krd| | kr| | }tjdd|�}|d | }t| ||� qW | S )z2Allow override of all archs with ARCHFLAGS env var� ARCHFLAGSz-archz -arch\s+\w+\srT )r r r\ r: r] rH )rC ZarchrG r[ r" r" r# �_override_all_archs s rb c C s| | j dd�}tjd|�}|dk rx|jd�}tjj|�sxx@tD ]8}|| kr<|tjkr<| | }tj dd|�}t | ||� q<W | S )z+Remove references to any SDKs not availabler r3 z-isysroot\s+(\S+)Nr6 z-isysroot\s+\S+(?:\s|$)rT ) rF r: r; r= r r �existsr\ r r] rH )rC �cflagsr> ZsdkrG r[ r" r" r# �_check_for_unavailable_sdk s re c C sX d }}t | �} t� s d }}nd|k}d|k}|s>dtjkrxx8y | jd�}| ||d �= W q@ tk rr P Y q@X q@W dtjkr�| r�| tjd j� } |r�x8y | jd�}| ||d �= W q� tk r� P Y q�X q�W d}d|kr�|jd�}||d }n d| k�r | jd�}| |d }|�rTtjj|� �rTd d l m } |j d |� |j d � | S ) ae This function will strip '-isysroot PATH' and '-arch ARCH' from the compile flags if the user has specified one them in extra_compile_flags. This is needed because '-arch ARCH' adds another architecture to the build, without a way to remove an architecture. Furthermore GCC will barf if multiple '-isysroot' arguments are present. FTz-archz -isysrootra r7 Nr6 r )�logz4Compiling with an SDK that doesn't seem to exist: %sz$Please check your Xcode installation) r@ rR r r �indexrP r r �isdirZ distutilsrf �warn)Z compiler_soZcc_argsZ stripArchZ stripSysrootrg Zsysroot�idxrf r" r" r# r 0 sF c C s" t � st| � t| � t| � | S )a� Customize Python build configuration variables. Called internally from sysconfig with a mutable mapping containing name/value pairs parsed from the configured makefile used to build this interpreter. Returns the mapping updated as needed to reflect the environment in which the interpreter is running; in the case of a Python from a binary installer, the installed environment may be very different from the build environment, i.e. different OS levels, different built tools, different available CPU architectures. This customization is performed whenever distutils.sysconfig.get_config_vars() is first called. It may be used in environments where no compilers are present, i.e. when installing pure Python dists. Customization of compiler paths and detection of unavailable archs is deferred until the first extension module build is requested (in distutils.sysconfig.customize_compiler). Currently called from distutils.sysconfig )rR r_ rb re )rC r" r" r# r p s c C s t | � t| � t| � | S )z�Customize compiler path and configuration variables. This customization is performed when the first extension module build is requested in distutils.sysconfig.customize_compiler). )rZ r` rb )rC r" r" r# r � s c C s| | j dd�}t� p|}|p |}|�rr|}d}| j td | j dd��}|r�y$tdd� |jd�dd � D ��}W q� tk r� d }Y q�X nd }|d ko�d |j� k�r6d }tjd|�}tt t |���}t |�dkr�|d }n\|d kr�d }nN|d k� r�d}n>|d!k�rd}n.|d"k�rd}n |d#k�r&d}ntd|f ��n<|dk�rRt j d$k�rrd}n |d%k�rrt j d&k�rnd}nd}|||fS )'z Filter values for get_platform()ZMACOSX_DEPLOYMENT_TARGETr3 Zmacosxr c s s | ]}t |�V qd S )N)rI )rJ rK r" r" r# rL � s z#get_platform_osx.<locals>.<genexpr>r5 r r7 rM rN z-archZfatz -arch\s+(\S+)r6 �i386�ppc�x86_64ZintelZfat3�ppc64Zfat64Z universalz%Don't know machine value for archs=%r� �PowerPC�Power_Macintosh)rM r )rM r )rM rN )rk rl )rk rm )rk rl rm )rn rm )rk rl rn rm l )rp rq l )rF r? rB rO r rP r/ r: �findall�sorted�set�lenr �maxsize)rC Zosname�release�machineZmacverZ macreleaserd Zarchsr" r" r# r � sP $ ) r r r r r r r r r r r r )r r r r )N)�__doc__r r: r �__all__r\ rX rB r$ r2 r4 r8 r? rE rH rR rZ r_ r` rb re r r r r r" r" r" r# �<module> s< >(@)