3
;p_2                 @   st  d dl Z d dlZd dlZd dlmZ d dlmZ d dlm	Z	 d dl
mZ d dlmZmZ d dlmZ d dlmZ d d	lmZ yd dlmZ ed
 W n ek
r   eZY nX ed d dlmZ dd ZdZdZdZejdkrdZn>e j dkr$yd dl!Z!e"e!d ZZW n ek
r"   Y nX dd Z#dd Z$G dd deZesVe j dkrbdddZ%ndZd ddZ%dS )!    N)EXTENSION_SUFFIXES)	build_ext)	copy_file)new_compiler)customize_compilerget_config_var)DistutilsError)log)LibraryzCython.Compiler.MainLDSHARED)_config_varsc             C   sZ   t jdkrNtj }z$dtd< dtd< dtd< t|  W d tj  tj| X nt|  d S )Ndarwinz0gcc -Wl,-x -dynamiclib -undefined dynamic_lookupr   z -dynamiclibCCSHAREDz.dylibSO)sysplatform_CONFIG_VARScopyr   clearupdate)compilertmp r   D/tmp/pip-install-ofl94hr3/setuptools/setuptools/command/build_ext.py_customize_compiler_for_shlib   s    
r   FZsharedr   TntRTLD_NOWc             C   s   t r| S dS )N )	have_rtld)sr   r   r   if_dl>   s    r    c              C   s*   x$t D ]} d| kr| S | dkr| S qW dS )z;Return the file extension for an abi3-compliant Extension()z.abi3z.pydN)r   )suffixr   r   r   get_abi3_suffixB   s
    
r"   c               @   sv   e Zd Zdd Zdd Zdd Zdd Zd	d
 Zdd Zdd Z	dd Z
dd Zdd Zdd Zdd ZdddZdS )r   c             C   s.   | j d }| _ tj|  || _ |r*| j  dS )z;Build extensions in build directory, then copy if --inplacer   N)Zinplace
_build_extruncopy_extensions_to_source)selfZold_inplacer   r   r   r$   L   s
    
zbuild_ext.runc       
      C   s   | j d}x| jD ]}| j|j}| j|}|jd}dj|d d }|j|}tj	j|tj	j
|}tj	j| j|}	t|	|| j| jd |jr| j|ptj|d qW d S )Nbuild_py.   )verbosedry_runT)get_finalized_command
extensionsget_ext_fullnamenameget_ext_filenamesplitjoinZget_package_dirospathbasename	build_libr   r*   r+   _needs_stub
write_stubcurdir)
r&   r'   extfullnamefilenameZmodpathpackagepackage_dirZdest_filenameZsrc_filenamer   r   r   r%   T   s    




z#build_ext.copy_extensions_to_sourcec             C   s   t j| |}|| jkr| j| }t|do.t }|rXtd}|d t|  }|t  }t|trt	j
j|\}}| jj|tS tr|jrt	j
j|\}}t	j
j|d| S |S )NZpy_limited_api
EXT_SUFFIXzdl-)r#   r1   ext_mapgetattrr"   r   len
isinstancer
   r4   r5   splitextshlib_compilerlibrary_filenamelibtype	use_stubs_links_to_dynamicr2   r3   )r&   r<   r=   r;   Zuse_abi3Zso_extfndr   r   r   r1   j   s    




zbuild_ext.get_ext_filenamec             C   s    t j|  d | _g | _i | _d S )N)r#   initialize_optionsrF   shlibsrA   )r&   r   r   r   rM   {   s    
zbuild_ext.initialize_optionsc             C   s2  t j|  | jpg | _| j| j dd | jD | _| jrB| j  x| jD ]}| j|j|_qJW x| jD ]}|j}|| j	|< || j	|j
dd < | jr| j|pd}|otot|t }||_||_| j| }|_tjjtjj| j|}|o||jkr|jj| |rhtrhtj|jkrh|jjtj qhW d S )Nc             S   s   g | ]}t |tr|qS r   )rD   r
   ).0r;   r   r   r   
<listcomp>   s    z.build_ext.finalize_options.<locals>.<listcomp>r(   r)   Fr,   )r#   finalize_optionsr.   Zcheck_extensions_listrN   setup_shlib_compilerr/   r0   
_full_namerA   r2   links_to_dynamicrI   rD   r
   rJ   r8   r1   
_file_namer4   r5   dirnamer3   r7   library_dirsappendr:   runtime_library_dirs)r&   r;   r<   Zltdnsr=   Zlibdirr   r   r   rQ      s,    

zbuild_ext.finalize_optionsc             C   s   t | j| j| jd }| _t| | jd k	r8|j| j | jd k	rbx| jD ]\}}|j	|| qJW | j
d k	rx| j
D ]}|j| qtW | jd k	r|j| j | jd k	r|j| j | jd k	r|j| j | jd k	r|j| j tj||_d S )N)r   r+   force)r   r   r+   r[   rF   r   include_dirsZset_include_dirsZdefineZdefine_macroZundefZundefine_macro	librariesZset_librariesrW   Zset_library_dirsZrpathZset_runtime_library_dirsZlink_objectsZset_link_objectslink_shared_object__get__)r&   r   r0   valuemacror   r   r   rR      s(    






zbuild_ext.setup_shlib_compilerc             C   s   t |tr|jS tj| |S )N)rD   r
   export_symbolsr#   get_export_symbols)r&   r;   r   r   r   rc      s    
zbuild_ext.get_export_symbolsc             C   s\   |j   | j}z@t|tr"| j| _tj| | |jrL| jdj	}| j
|| W d || _X d S )Nr'   )Z_convert_pyx_sources_to_langr   rD   r
   rF   r#   build_extensionr8   r-   r7   r9   )r&   r;   Z	_compilercmdr   r   r   rd      s    
zbuild_ext.build_extensionc                sP   t jdd | jD  dj|jjddd	 dg t fdd|jD S )
z?Return true if 'ext' links to a dynamic lib in the same packagec             S   s   g | ]
}|j qS r   )rS   )rO   libr   r   r   rP      s    z.build_ext.links_to_dynamic.<locals>.<listcomp>r(   Nr)   r   c             3   s   | ]}|  kV  qd S )Nr   )rO   Zlibname)libnamespkgr   r   	<genexpr>   s    z-build_ext.links_to_dynamic.<locals>.<genexpr>r,   )dictfromkeysrN   r3   rS   r2   anyr]   )r&   r;   r   )rg   rh   r   rT      s     zbuild_ext.links_to_dynamicc             C   s   t j| | j  S )N)r#   get_outputs_build_ext__get_stubs_outputs)r&   r   r   r   rm      s    zbuild_ext.get_outputsc                s6    fdd j D }tj| j }tdd |D S )Nc             3   s0   | ](}|j rtjj jf|jjd  V  qdS )r(   N)r8   r4   r5   r3   r7   rS   r2   )rO   r;   )r&   r   r   ri      s   z0build_ext.__get_stubs_outputs.<locals>.<genexpr>c             s   s   | ]\}}|| V  qd S )Nr   )rO   baseZfnextr   r   r   ri      s    )r.   	itertoolsproduct!_build_ext__get_output_extensionslist)r&   Zns_ext_basespairsr   )r&   r   Z__get_stubs_outputs   s    

zbuild_ext.__get_stubs_outputsc             c   s"   dV  dV  | j djrdV  d S )Nz.pyz.pycr'   z.pyo)r-   optimize)r&   r   r   r   Z__get_output_extensions   s    z!build_ext.__get_output_extensionsFc             C   s4  t jd|j| tjj|f|jjd d }|rJtjj|rJt|d | j	st
|d}|jdjddd	td
 dtjj|j dddtddddtddddddtddddg |j  |r0ddlm} ||gdd| j	d  | jd!j}|dkr||g|d| j	d  tjj|r0| j	 r0tj| d S )"Nz writing stub loader for %s to %sr(   z.pyz already exists! Please delete.w
zdef __bootstrap__():z-   global __bootstrap__, __file__, __loader__z0   import sys, os, pkg_resources, importlib.utilz, dlz:   __file__ = pkg_resources.resource_filename(__name__,%r)z   del __bootstrap__z    if '__loader__' in globals():z       del __loader__z#   old_flags = sys.getdlopenflags()z   old_dir = os.getcwd()z   try:z(     os.chdir(os.path.dirname(__file__))z$     sys.setdlopenflags(dl.RTLD_NOW)z3     spec = importlib.util.spec_from_file_location(z#                __name__, __file__)z0     mod = importlib.util.module_from_spec(spec)z!     spec.loader.exec_module(mod)z   finally:z"     sys.setdlopenflags(old_flags)z     os.chdir(old_dir)z__bootstrap__()r   r   )byte_compileT)ru   r[   r+   install_lib)r	   inforS   r4   r5   r3   r2   existsr   r+   openwriter    r6   rU   closedistutils.utilrx   r-   ru   unlink)r&   
output_dirr;   compileZ	stub_filefrx   ru   r   r   r   r9      sX    



zbuild_ext.write_stubN)F)__name__
__module____qualname__r$   r%   r1   rM   rQ   rR   rc   rd   rT   rm   rn   rr   r9   r   r   r   r   r   K   s   	r   c             C   s(   | j | j|||||||||	|
|| d S )N)linkZSHARED_LIBRARY)r&   objectsoutput_libnamer   r]   rW   rY   rb   debugextra_preargsextra_postargs
build_temptarget_langr   r   r   r^     s
    r^   Zstaticc             C   s^   |d kst tjj|\}}tjj|\}}| jdjdrH|dd  }| j||||| d S )Nxrf      )AssertionErrorr4   r5   r2   rE   rG   
startswithZcreate_static_lib)r&   r   r   r   r]   rW   rY   rb   r   r   r   r   r   r=   r6   r;   r   r   r   r^   -  s    )
NNNNNr   NNNN)
NNNNNr   NNNN)&r4   r   rp   Zimportlib.machineryr   Zdistutils.command.build_extr   Z_du_build_extdistutils.file_utilr   distutils.ccompilerr   distutils.sysconfigr   r   distutils.errorsr   	distutilsr	   Zsetuptools.extensionr
   ZCython.Distutils.build_extr#   
__import__ImportErrorr   r   r   r   rI   rH   r   r0   dlhasattrr    r"   r^   r   r   r   r   <module>   sV   

	 Q   	   