o
    ѽb                     @   sH   d dl Z d dlZd dlZddlmZ dd Ze  fddZdd	 ZdS )
    N   )PkgConfigErrorc                 C   sj   |  D ].\}}|| vr|| |< qt| | tstd|f t|ts+td|f | | | q| S )zMerge values from cffi config flags cfg2 to cf1

    Example:
        merge_flags({"libraries": ["one"]}, {"libraries": ["two"]})
        {"libraries": ["one", "two"]}
    z$cfg1[%r] should be a list of stringsz$cfg2[%r] should be a list of strings)items
isinstancelist	TypeErrorextend)Zcfg1Zcfg2keyvalue r   2usr/lib/python3.10/site-packages/cffi/pkgconfig.pymerge_flags   s   

r   c              
   C   s  ddg}| | | |  ztj|tjtjd}W n ty1 } ztdt| f d}~ww | \}}|j	dkrTz|
|}W n	 tyM   Y nw t| tjdkrwt|tswz|
|}W n tyv   td|| ||f w tjd	krd	|v rtd
|| |f |S )z5Calls pkg-config and returns the output if found
    z
pkg-configz--print-errors)stdoutstderrzcannot run pkg-config: %sNr   )   zKpkg-config %s %s returned bytes that cannot be decoded with encoding %r:
%r\zEpkg-config %s %s returned an unsupported backslash-escaped output:
%r)append
subprocessPopenPIPEEnvironmentErrorr   strstripcommunicate
returncodedecode	Exceptionsysversion_infor   UnicodeDecodeErrorosaltsep)libnameflagencodingaZpceZboutZberrr   r   r   call   s<   



r'   c                    sj   dd  dd dd dd d	d
 dd  fdd}i }| D ]}||}t || q'|S )a  Return compiler line flags for FFI.set_source based on pkg-config output

    Usage
        ...
        ffibuilder.set_source("_foo", pkgconfig = ["libfoo", "libbar >= 1.8.3"])

    If pkg-config is installed on build machine, then arguments include_dirs,
    library_dirs, libraries, define_macros, extra_compile_args and
    extra_link_args are extended with an output of pkg-config for libfoo and
    libbar.

    Raises PkgConfigError in case the pkg-config call fails.
    c                 S      dd |   D S )Nc                 S   "   g | ]}| d r|dd qS )-I   N
startswith.0xr   r   r   
<listcomp>L      " zBflags_from_pkgconfig.<locals>.get_include_dirs.<locals>.<listcomp>splitstringr   r   r   get_include_dirsK      z.flags_from_pkgconfig.<locals>.get_include_dirsc                 S   r(   )Nc                 S   r)   )-Lr+   Nr,   r.   r   r   r   r1   O   r2   zBflags_from_pkgconfig.<locals>.get_library_dirs.<locals>.<listcomp>r3   r5   r   r   r   get_library_dirsN   r8   z.flags_from_pkgconfig.<locals>.get_library_dirsc                 S   r(   )Nc                 S   r)   )-lr+   Nr,   r.   r   r   r   r1   R   r2   z?flags_from_pkgconfig.<locals>.get_libraries.<locals>.<listcomp>r3   r5   r   r   r   get_librariesQ   r8   z+flags_from_pkgconfig.<locals>.get_librariesc                    s   dd   fdd|   D S )Nc                 S   s,   | dd  } d| v rt | ddS | d fS )Nr+   =r   )tupler4   )r0   r   r   r   _macroV   s   z8flags_from_pkgconfig.<locals>.get_macros.<locals>._macroc                    s   g | ]}| d r |qS )-Dr,   r.   r?   r   r   r1   \   s    z<flags_from_pkgconfig.<locals>.get_macros.<locals>.<listcomp>r3   r5   r   rA   r   
get_macrosU   s   z(flags_from_pkgconfig.<locals>.get_macrosc                 S   r(   )Nc                 S   $   g | ]}| d s| ds|qS )r*   r@   r,   r.   r   r   r   r1   _       
zBflags_from_pkgconfig.<locals>.get_other_cflags.<locals>.<listcomp>r3   r5   r   r   r   get_other_cflags^   r8   z.flags_from_pkgconfig.<locals>.get_other_cflagsc                 S   r(   )Nc                 S   rC   )r9   r;   r,   r.   r   r   r   r1   c   rD   z@flags_from_pkgconfig.<locals>.get_other_libs.<locals>.<listcomp>r3   r5   r   r   r   get_other_libsb   r8   z,flags_from_pkgconfig.<locals>.get_other_libsc                    sF   t  }t| d}t| d} ||||||dS )Nz--cflagsz--libs)include_dirslibrary_dirs	librariesdefine_macrosextra_compile_argsextra_link_args)r   getfilesystemencodingr'   )r"   ZfseZ
all_cflagsZall_libsr7   r<   r:   rB   rE   rF   r   r   kwargsg   s   

z$flags_from_pkgconfig.<locals>.kwargs)r   )libsrO   retr"   Z	lib_flagsr   rN   r   flags_from_pkgconfig<   s   	rR   )	r   r    r   errorr   r   rM   r'   rR   r   r   r   r   <module>   s
   "