U
    KQhu3                  
   @   s  d dl Z 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mZ d dlmZ d dlmZ d dlmZ d d	lmZ z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,zd dl"Z"e#e"d ZZW n ek
r*   Y nX dd Z$dd Z%G dd deZes^e j!dkrjd!ddZ&ndZd"ddZ&dd  Z'dS )#    N)	build_ext)	copy_file)new_compiler)customize_compilerget_config_var)DistutilsError)log)Library)sixzCython.Compiler.MainLDSHARED)_config_varsc              	   C   sZ   t jdkrNt }z$dtd< dtd< dtd< t|  W 5 t  t| X nt|  d S )Ndarwinz0gcc -Wl,-x -dynamiclib -undefined dynamic_lookupr   z -dynamiclibCCSHAREDz.dylibSO)sysplatform_CONFIG_VARScopyclearupdater   )compilertmp r   B/tmp/pip-build-tlro1kwj/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   <lambda>>       r    c                  C   sB   dd t  D D ]*\} }}d| kr,|   S | dkr|   S qdS )z;Return the file extension for an abi3-compliant Extension()c                 s   s    | ]}|d  t jkr|V  qdS )   N)impC_EXTENSION).0r   r   r   r   	<genexpr>C   s      z"get_abi3_suffix.<locals>.<genexpr>z.abi3z.pydN)r#   get_suffixes)suffix_r   r   r   get_abi3_suffixA   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|  || _ |r*|   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,   K   s
    
zbuild_ext.runc           
      C   s   |  d}| jD ]}| |j}| |}|d}d|d d }||}tj	|tj	
|}tj	| j|}	t|	|| j| jd |jr| |ptj|d q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   r2   r3   _needs_stub
write_stubcurdir)
r.   r/   extfullnamefilenamemodpathpackagepackage_dirZdest_filenameZsrc_filenamer   r   r   r-   S   s&    





  z#build_ext.copy_extensions_to_sourcec                 C   s   t | |}|| jkr| j| }tjo4t|do4t }|r^td}|d t|  }|t  }t	|t
rtj|\}}| j|tS tr|jrtj|\}}tj|d| S |S )NZpy_limited_api
EXT_SUFFIXzdl-)r+   r8   ext_mapr
   PY3getattrr*   _get_config_var_837len
isinstancer	   r;   r<   splitextshlib_compilerlibrary_filenamelibtype	use_stubs_links_to_dynamicr9   r:   )r.   rC   rD   rB   Zuse_abi3Zso_extfndr   r   r   r8   i   s&    




zbuild_ext.get_ext_filenamec                 C   s    t |  d | _g | _i | _d S N)r+   initialize_optionsrP   shlibsrI   r.   r   r   r   rX   ~   s    
zbuild_ext.initialize_optionsc                 C   s,  t |  | jpg | _| | j dd | jD | _| jrB|   | jD ]}| |j|_qH| jD ]}|j}|| j	|< || j	|
dd < | jr| |pd}|otot|t }||_||_| | }|_tjtj| j|}|r||jkr|j| |rbtrbtj|jkrb|jtj qbd S )Nc                 S   s   g | ]}t |tr|qS r   )rN   r	   r%   rB   r   r   r   
<listcomp>   s    
z.build_ext.finalize_options.<locals>.<listcomp>r0   r1   F)r+   finalize_optionsr5   Zcheck_extensions_listrY   setup_shlib_compilerr6   r7   
_full_namerI   r9   links_to_dynamicrS   rN   r	   rT   r?   r8   
_file_namer;   r<   dirnamer:   r>   library_dirsappendrA   runtime_library_dirs)r.   rB   rC   ZltdnsrD   Zlibdirr   r   r   r]      s,    



zbuild_ext.finalize_optionsc                 C   s   t | j| j| jd }| _t| | jd k	r8|| j | jd k	r^| jD ]\}}|	|| qH| j
d k	r~| j
D ]}|| qn| jd k	r|| j | jd k	r|| j | jd k	r|| j | jd k	r|| j t||_d S )N)r   r3   force)r   r   r3   rg   rP   r   include_dirsZset_include_dirsZdefineZdefine_macroZundefZundefine_macro	librariesZset_librariesrc   Zset_library_dirsZrpathZset_runtime_library_dirsZlink_objectsZset_link_objectslink_shared_object__get__)r.   r   r7   valueZmacror   r   r   r^      s.      







zbuild_ext.setup_shlib_compilerc                 C   s   t |tr|jS t| |S rW   )rN   r	   export_symbolsr+   get_export_symbolsr.   rB   r   r   r   rn      s    
zbuild_ext.get_export_symbolsc                 C   s\   |   | j}z@t|tr"| j| _t| | |jrL| dj	}| 
|| W 5 || _X d S )Nr/   )Z_convert_pyx_sources_to_langr   rN   r	   rP   r+   build_extensionr?   r4   r>   r@   )r.   rB   Z	_compilercmdr   r   r   rp      s    
zbuild_ext.build_extensionc                    sP   t dd | jD  d|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   )r_   )r%   libr   r   r   r\      s     z.build_ext.links_to_dynamic.<locals>.<listcomp>r0   Nr1   r   c                 3   s   | ]}|  kV  qd S rW   r   )r%   libnameZlibnamespkgr   r   r&      s     z-build_ext.links_to_dynamic.<locals>.<genexpr>)dictfromkeysrY   r:   r_   r9   anyri   ro   r   rt   r   r`      s     zbuild_ext.links_to_dynamicc                 C   s   t | |   S rW   )r+   get_outputs_build_ext__get_stubs_outputsrZ   r   r   r   ry      s    zbuild_ext.get_outputsc                    s6    fdd j D }t|  }tdd |D S )Nc                 3   s0   | ](}|j rtjj jf|jd  V  qdS )r0   N)r?   r;   r<   r:   r>   r_   r9   r[   rZ   r   r   r&      s   z0build_ext.__get_stubs_outputs.<locals>.<genexpr>c                 s   s   | ]\}}|| V  qd S rW   r   )r%   baseZfnextr   r   r   r&      s     )r5   	itertoolsproduct!_build_ext__get_output_extensionslist)r.   Zns_ext_basespairsr   rZ   r   Z__get_stubs_outputs   s
    
zbuild_ext.__get_stubs_outputsc                 c   s"   dV  dV  |  djrdV  d S )N.pyz.pycr/   z.pyo)r4   optimizerZ   r   r   r   Z__get_output_extensions   s    z!build_ext.__get_output_extensionsFc                 C   s,  t d|j| tjj|f|jd d }|rJtj|rJt|d | j	st
|d}|dddd	td
 dtj|j dddtddddtdddtddddg |  |r(ddlm} ||gdd| j	d | dj}|dkr||g|d| j	d tj|r(| j	s(t| d S )Nz writing stub loader for %s to %sr0   r   z already exists! Please delete.w
zdef __bootstrap__():z-   global __bootstrap__, __file__, __loader__z%   import sys, os, pkg_resources, impz, 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)z(     imp.load_dynamic(__name__,__file__)z   finally:z"     sys.setdlopenflags(old_flags)z     os.chdir(old_dir)z__bootstrap__()r   r   )byte_compileT)r   rg   r3   install_lib)r   infor_   r;   r<   r:   r9   existsr   r3   openwriteif_dlr=   ra   closedistutils.utilr   r4   r   unlink)r.   
output_dirrB   compileZ	stub_filefr   r   r   r   r   r@      sb    


 
 zbuild_ext.write_stubN)F)__name__
__module____qualname__r,   r-   r8   rX   r]   r^   rn   rp   r`   ry   rz   r~   r@   r   r   r   r   r   J   s   	r   c                 C   s(   |  | j|||||||||	|
|| d S rW   )linkZSHARED_LIBRARY)r.   objectsoutput_libnamer   ri   rc   re   rm   debugextra_preargsextra_postargs
build_temptarget_langr   r   r   rj     s             rj   Zstaticc                 C   s^   |d kst tj|\}}tj|\}}| ddrH|dd  }| ||||| d S )Nxrr      )AssertionErrorr;   r<   r9   rO   rQ   
startswithZcreate_static_lib)r.   r   r   r   ri   rc   re   rm   r   r   r   r   r   rD   r=   rB   r   r   r   rj   ,  s        c                 C   s   t jdk rd} t| S )z
    In https://github.com/pypa/setuptools/pull/837, we discovered
    Python 3.3.0 exposes the extension suffix under the name 'SO'.
    )r   r      r   )r   version_infor   )r7   r   r   r   rL   D  s    
rL   )
NNNNNr   NNNN)
NNNNNr   NNNN)(r;   r   r|   r#   Zdistutils.command.build_extr   Z_du_build_extdistutils.file_utilr   distutils.ccompilerr   distutils.sysconfigr   r   Zdistutils.errorsr   	distutilsr   Zsetuptools.extensionr	   Zsetuptools.externr
   ZCython.Distutils.build_extr+   
__import__ImportErrorr   r   r   r   rS   rR   r   r7   dlhasattrr   r*   rj   rL   r   r   r   r   <module>   sv   

	 Q                                
