U
    @{?^—  ã                   @   sR   d dl Z d dlmZ d dlZd dlmZ ejjZG dd„ dƒZ	G dd„ de	ƒZ
dS )é    N)Úlog)Úmapc                   @   sT   e Zd ZdZdd„ Zdd„ Zdd„ ZdZd	Zd
d„ Z	dd„ Z
dd„ Zedd„ ƒZdS )Ú	Installerz
-nspkg.pthc              	   C   sˆ   |   ¡ }|sd S tj |  ¡ ¡\}}|| j7 }| j |¡ t 	d|¡ t
| j|ƒ}| jrdt|ƒ d S t|dƒ}| |¡ W 5 Q R X d S )NzInstalling %sZwt)Ú_get_all_ns_packagesÚosÚpathÚsplitextÚ_get_targetÚ	nspkg_extZoutputsÚappendr   Úinfor   Ú_gen_nspkg_lineZdry_runÚlistÚopenÚ
writelines)ÚselfZnspÚfilenameÚextÚlinesÚf© r   ú7/usr/lib/python3/dist-packages/setuptools/namespaces.pyÚinstall_namespaces   s    
zInstaller.install_namespacesc                 C   sH   t j |  ¡ ¡\}}|| j7 }t j |¡s.d S t d|¡ t  |¡ d S )NzRemoving %s)	r   r   r   r	   r
   Úexistsr   r   Úremove)r   r   r   r   r   r   Úuninstall_namespaces!   s    
zInstaller.uninstall_namespacesc                 C   s   | j S ©N)Útarget©r   r   r   r   r	   )   s    zInstaller._get_target)	zimport sys, types, osz#has_mfs = sys.version_info > (3, 5)z$p = os.path.join(%(root)s, *%(pth)r)z4importlib = has_mfs and __import__('importlib.util')z-has_mfs and __import__('importlib.machinery')z™m = has_mfs and sys.modules.setdefault(%(pkg)r, importlib.util.module_from_spec(importlib.machinery.PathFinder.find_spec(%(pkg)r, [os.path.dirname(p)])))zCm = m or sys.modules.setdefault(%(pkg)r, types.ModuleType(%(pkg)r))z7mp = (m or []) and m.__dict__.setdefault('__path__',[])z(p not in mp) and mp.append(p))z4m and setattr(sys.modules[%(parent)r], %(child)r, m)c                 C   s   dS )Nz$sys._getframe(1).f_locals['sitedir']r   r   r   r   r   Ú	_get_rootG   s    zInstaller._get_rootc                 C   sV   t |ƒ}t| d¡ƒ}|  ¡ }| j}| d¡\}}}|rB|| j7 }d |¡tƒ  d S )NÚ.ú;Ú
)	ÚstrÚtupleÚsplitr   Ú_nspkg_tmplÚ
rpartitionÚ_nspkg_tmpl_multiÚjoinÚlocals)r   ÚpkgZpthÚrootZ
tmpl_linesÚparentÚsepZchildr   r   r   r   J   s    
zInstaller._gen_nspkg_linec                 C   s    | j jp
g }ttt| j|ƒƒƒS )z,Return sorted list of all package namespaces)ZdistributionZnamespace_packagesÚsortedÚflattenr   Ú
_pkg_names)r   Zpkgsr   r   r   r   U   s    zInstaller._get_all_ns_packagesc                 c   s(   |   d¡}|r$d |¡V  | ¡  q
dS )zÏ
        Given a namespace package, yield the components of that
        package.

        >>> names = Installer._pkg_names('a.b.c')
        >>> set(names) == set(['a', 'a.b', 'a.b.c'])
        True
        r    N)r%   r)   Úpop)r+   Úpartsr   r   r   r1   Z   s    

zInstaller._pkg_namesN)Ú__name__Ú
__module__Ú__qualname__r
   r   r   r	   r&   r(   r   r   r   Ústaticmethodr1   r   r   r   r   r      s   r   c                   @   s   e Zd Zdd„ Zdd„ ZdS )ÚDevelopInstallerc                 C   s   t t| jƒƒS r   )Úreprr#   Zegg_pathr   r   r   r   r   k   s    zDevelopInstaller._get_rootc                 C   s   | j S r   )Zegg_linkr   r   r   r   r	   n   s    zDevelopInstaller._get_targetN)r4   r5   r6   r   r	   r   r   r   r   r8   j   s   r8   )r   Z	distutilsr   Ú	itertoolsZsetuptools.extern.six.movesr   ÚchainÚfrom_iterabler0   r   r8   r   r   r   r   Ú<module>   s   _