
§|j�  ã               @   sq   d  d l  Z  d  d l m Z d  d l Z d  d l m Z e j j Z Gd d „  d ƒ Z	 Gd d „  d e	 ƒ Z
 d S)é    N)Úlog)Úmapc            	   @   s|   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   s´   |  j  ƒ  } | s d  St j j |  j ƒ  ƒ \ } } | |  j 7} |  j j | ƒ t j	 d | ƒ t
 |  j | ƒ } |  j rŠ t | ƒ d  St | d ƒ � } | j | ƒ Wd  QRXd  S)NzInstalling %sÚwt)Ú_get_all_ns_packagesÚosÚpathÚsplitextÚ_get_targetÚ	nspkg_extÚoutputsÚappendr   Úinfor   Ú_gen_nspkg_lineÚdry_runÚlistÚopenÚ
writelines)ÚselfÚnspÚfilenameÚextÚlinesÚf© r   ú;/tmp/pip-build-5c7ija6t/setuptools/setuptools/namespaces.pyÚinstall_namespaces   s    	
zInstaller.install_namespacesc             C   sb   t  j j |  j ƒ  ƒ \ } } | |  j 7} t  j j | ƒ sA d  St j d | ƒ t  j | ƒ 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_targetúimport sys, types, osú#has_mfs = sys.version_info > (3, 5)ú$p = os.path.join(%(root)s, *%(pth)r)ú4importlib = has_mfs and __import__('importlib.util')ú-has_mfs and __import__('importlib.machinery')ú™m = has_mfs and sys.modules.setdefault(%(pkg)r, importlib.util.module_from_spec(importlib.machinery.PathFinder.find_spec(%(pkg)r, [os.path.dirname(p)])))úSm = m or not has_mfs and sys.modules.setdefault(%(pkg)r, types.ModuleType(%(pkg)r))ú7mp = (m or []) and m.__dict__.setdefault('__path__',[])ú(p not in mp) and mp.append(p)ú4m and setattr(sys.modules[%(parent)r], %(child)r, m)c             C   s   d S)Nz$sys._getframe(1).f_locals['sitedir']r   )r   r   r   r   Ú	_get_rootC   s    zInstaller._get_rootc             C   sy   t  | ƒ } t | j d ƒ ƒ } |  j ƒ  } |  j } | j d ƒ \ } } } | ra | |  j 7} d j | ƒ t ƒ  d S)NÚ.ú;Ú
)	ÚstrÚtupleÚsplitr+   Ú_nspkg_tmplÚ
rpartitionÚ_nspkg_tmpl_multiÚjoinÚlocals)r   ÚpkgÚpthÚrootZ
tmpl_linesÚparentÚsepÚchildr   r   r   r   F   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)ÚdistributionZnamespace_packagesÚsortedÚflattenr   Ú
_pkg_names)r   Úpkgsr   r   r   r   Q   s    zInstaller._get_all_ns_packagesc             c   s8   |  j  d ƒ } x" | r3 d j | ƒ V| j ƒ  q Wd 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)r1   r5   Úpop)r7   Úpartsr   r   r   r@   V   s    
	zInstaller._pkg_namesN)	r!   r"   r#   r$   r%   r&   r'   r(   r)   )r*   )Ú__name__Ú
__module__Ú__qualname__r   r   r   r
   r2   r4   r+   r   r   Ústaticmethodr@   r   r   r   r   r      s$           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)N)Úreprr/   Zegg_path)r   r   r   r   r+   g   s    zDevelopInstaller._get_rootc             C   s   |  j  S)N)Úegg_link)r   r   r   r   r
   j   s    zDevelopInstaller._get_targetN)rD   rE   rF   r+   r
   r   r   r   r   rH   f   s   rH   )r   Ú	distutilsr   Ú	itertoolsZsetuptools.extern.six.movesr   ÚchainÚfrom_iterabler?   r   rH   r   r   r   r   Ú<module>   s   [