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� �� f#T c @ s� d Z d d l Z 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 d d d d d d d d d g Z d d � Z d d � Z d d d d d � Z d d d d � Z d d d � Z e e � Z d d d � Z e j e j j e � Gd d � d � Z Gd d � d � Z y? d d l Z d d l m Z d d d � Z e j e e � Wn e k r�Yn Xd d � Z d d d � Z d! d � Z d" d � Z d# d � Z d$ d � Z d S(% u Utilities to support packages.i N( u warn( u ModuleTypeu get_importeru iter_importersu get_loaderu find_loaderu walk_packagesu iter_modulesu get_datau ImpImporteru ImpLoaderu read_codeu extend_pathc C sK d d l } | j d � } | t j � k r1 d S| j d � | j | � S( Ni i i ( u marshalu readu impu get_magicu Noneu load( u streamu marshalu magic( ( u, /opt/alt/python33/lib64/python3.3/pkgutil.pyu read_code s c s� i � � � f d d � } y � j | _ Wn t t f k rE Yn Xd � � f d d � � � j | _ � j | _ � | _ | S( u/ Make a trivial single-dispatch generic functionc s� | d } y | j } Wn t k r7 t | � } Yn Xy | j } Wn` t k r� y0 Gd d � d | t � } | j d d � } Wn t k r� t f } Yn XYn Xx8 | D]# } | � k r� � | | | � Sq� W� | | � Sd S( Ni c B s | Ee Z d Z d S( u+ simplegeneric.<locals>.wrapper.<locals>.clsN( u __name__u __module__u __qualname__( u __locals__( ( u, /opt/alt/python33/lib64/python3.3/pkgutil.pyu cls+ s u clsi ( u __class__u AttributeErroru typeu __mro__u objectu TypeError( u argsu kwu obu clsu mrou t( u funcu registry( u, /opt/alt/python33/lib64/python3.3/pkgutil.pyu wrapper! s" u simplegeneric.<locals>.wrapperc s- | d k r � � f d d � S| � � <| S( Nc s � � | � S( N( ( u f( u registeru typ( u, /opt/alt/python33/lib64/python3.3/pkgutil.pyu <lambda>< s u1 simplegeneric.<locals>.register.<locals>.<lambda>( u None( u typu func( u registeru registry( u typu, /opt/alt/python33/lib64/python3.3/pkgutil.pyu register: s u simplegeneric.<locals>.registerN( u __name__u TypeErroru AttributeErroru Noneu __dict__u __doc__u register( u funcu wrapper( ( u funcu registeru registryu, /opt/alt/python33/lib64/python3.3/pkgutil.pyu simplegeneric s u simplegenericu c # s i d d � � x� t | | � D]� \ } } } | | | f V| r y t | � WnX t k r} | d k ry | | � n Yq t k r� | d k r� | | � n � Yq Xt t j | d d � p� g } � f d d � | D� } x& t | | d | � D] } | Vq� Wq q Wd S( u� Yields (module_loader, name, ispkg) for all modules recursively on path, or, if path is None, all accessible modules. 'path' should be either None or a list of paths to look for modules in. 'prefix' is a string to output on the front of every module name on output. Note that this function must import all *packages* (NOT all modules!) on the given path, in order to access the __path__ attribute to find submodules. 'onerror' is a function which gets called with one argument (the name of the package which was being imported) if any exception occurs while trying to import a package. If no onerror function is supplied, ImportErrors are caught and ignored, while all other exceptions are propagated, terminating the search. Examples: # list all modules python can access walk_packages() # list all submodules of ctypes walk_packages(ctypes.__path__, ctypes.__name__+'.') c S s | | k r d Sd | | <d S( NT( u True( u pu m( ( u, /opt/alt/python33/lib64/python3.3/pkgutil.pyu seenc s u walk_packages.<locals>.seenu __path__c s" g | ] } � | � s | � q S( ( ( u .0u p( u seen( u, /opt/alt/python33/lib64/python3.3/pkgutil.pyu <listcomp>z s u! walk_packages.<locals>.<listcomp>u .N( u iter_modulesu __import__u ImportErroru Noneu Exceptionu getattru sysu modulesu walk_packages( u pathu prefixu onerroru importeru nameu ispkgu item( ( u seenu, /opt/alt/python33/lib64/python3.3/pkgutil.pyu walk_packagesF s" c c s� | d k r t � } n t t | � } i } xU | D]M } xD t | | � D]3 \ } } | | k rJ d | | <| | | f VqJ qJ Wq4 Wd S( u& Yields (module_loader, name, ispkg) for all submodules on path, or, if path is None, all top-level modules on sys.path. 'path' should be either None or a list of paths to look for modules in. 'prefix' is a string to output on the front of every module name on output. i N( u Noneu iter_importersu mapu get_importeru iter_importer_modules( u pathu prefixu importersu yieldedu iu nameu ispkg( ( u, /opt/alt/python33/lib64/python3.3/pkgutil.pyu iter_modules� s c C s t | d � s g S| j | � S( Nu iter_modules( u hasattru iter_modules( u importeru prefix( ( u, /opt/alt/python33/lib64/python3.3/pkgutil.pyu iter_importer_modules� s u iter_importer_modulesc c s� | j d k s% t j j | j � r) d Si } d d l } y t j | j � } Wn t k rk g } Yn X| j � x | D]} | j | � } | d k s} | | k r� q} n t j j | j | � } d } | rct j j | � rcd | k rc| } y t j | � } Wn t k r&g } Yn Xx9 | D]+ } | j | � } | d k r.d } Pq.q.Wq} n | r} d | k r} d | | <| | | f Vq} q} Wd S( Ni u __init__u .i FT( u pathu Noneu osu isdiru inspectu listdiru OSErroru sortu getmodulenameu joinu Falseu True( u importeru prefixu yieldedu inspectu filenamesu fnu modnameu pathu ispkgu dircontentsu subname( ( u, /opt/alt/python33/lib64/python3.3/pkgutil.pyu _iter_file_finder_modules� s< % % u _iter_file_finder_modulesc B sG | Ee Z d Z d Z d d d � Z d d d � Z d d d � Z d S( u ImpImporteru� PEP 302 Importer that wraps Python's "classic" import algorithm ImpImporter(dirname) produces a PEP 302 importer that searches that directory. ImpImporter(None) produces a PEP 302 importer that searches the current sys.path, plus any modules that are frozen or built-in. Note that ImpImporter does not currently support being used by placement on sys.meta_path. c C s t d t � | | _ d S( Nu5 This emulation is deprecated, use 'importlib' instead( u warnu DeprecationWarningu path( u selfu path( ( u, /opt/alt/python33/lib64/python3.3/pkgutil.pyu __init__� s u ImpImporter.__init__c C s� | j d � d } | | k r2 | j d k r2 d S| j d k rJ d } n t j j | j � g } y t j | | � \ } } } Wn t k r� d SYn Xt | | | | � S( Nu .i i����( u splitu pathu Noneu osu realpathu impu find_moduleu ImportErroru ImpLoader( u selfu fullnameu pathu subnameu fileu filenameu etc( ( u, /opt/alt/python33/lib64/python3.3/pkgutil.pyu find_module� s u ImpImporter.find_moduleu c c s� | j d k s% t j j | j � r) d Si } d d l } y t j | j � } Wn t k rk g } Yn X| j � x | D]} | j | � } | d k s} | | k r� q} n t j j | j | � } d } | rct j j | � rcd | k rc| } y t j | � } Wn t k r&g } Yn Xx9 | D]+ } | j | � } | d k r.d } Pq.q.Wq} n | r} d | k r} d | | <| | | f Vq} q} Wd S( Ni u __init__u .i FT( u pathu Noneu osu isdiru inspectu listdiru OSErroru sortu getmodulenameu joinu Falseu True( u selfu prefixu yieldedu inspectu filenamesu fnu modnameu pathu ispkgu dircontentsu subname( ( u, /opt/alt/python33/lib64/python3.3/pkgutil.pyu iter_modules� s< % % u ImpImporter.iter_modulesN( u __name__u __module__u __qualname__u __doc__u Noneu __init__u find_moduleu iter_modules( u __locals__( ( u, /opt/alt/python33/lib64/python3.3/pkgutil.pyu ImpImporter� s c B s� | Ee Z d Z d Z d Z Z d d � Z d d � Z d d � Z d d � Z d d � Z d d � Z d d d � Z d d d � Z d d � Z d d d � Z d S( u ImpLoaderuB PEP 302 Loader that wraps Python's "classic" import algorithm c C s5 t d t � | | _ | | _ | | _ | | _ d S( Nu5 This emulation is deprecated, use 'importlib' instead( u warnu DeprecationWarningu fileu filenameu fullnameu etc( u selfu fullnameu fileu filenameu etc( ( u, /opt/alt/python33/lib64/python3.3/pkgutil.pyu __init__ s u ImpLoader.__init__c C sP | j � z% t j | | j | j | j � } Wd | j rK | j j � n X| S( N( u _reopenu impu load_moduleu fileu filenameu etcu close( u selfu fullnameu mod( ( u, /opt/alt/python33/lib64/python3.3/pkgutil.pyu load_module! s % u ImpLoader.load_modulec C s& t | d � � } | j � SWd QXd S( Nu rb( u openu read( u selfu pathnameu file( ( u, /opt/alt/python33/lib64/python3.3/pkgutil.pyu get_data, s u ImpLoader.get_datac C s� | j r| | j j r| | j d } | t j k rI t | j d � | _ q| | t j t j f k r| t | j d � | _ q| n d S( Ni u ru rb( u fileu closedu etcu impu PY_SOURCEu openu filenameu PY_COMPILEDu C_EXTENSION( u selfu mod_type( ( u, /opt/alt/python33/lib64/python3.3/pkgutil.pyu _reopen0 s u ImpLoader._reopenc C sG | d k r | j } n+ | | j k rC t d | j | f � � n | S( Nu, Loader for module %s cannot handle module %s( u Noneu fullnameu ImportError( u selfu fullname( ( u, /opt/alt/python33/lib64/python3.3/pkgutil.pyu _fix_name8 s u ImpLoader._fix_namec C s# | j | � } | j d t j k S( Ni ( u _fix_nameu etcu impu PKG_DIRECTORY( u selfu fullname( ( u, /opt/alt/python33/lib64/python3.3/pkgutil.pyu is_package@ s u ImpLoader.is_packagec C s� | j | � } | j d k r� | j d } | t j k rd | j | � } t | | j d � | _ q� | t j k r� | j � z t | j � | _ Wd | j j � Xq� | t j k r� | j � j � | _ q� n | j S( Ni u exec( u _fix_nameu codeu Noneu etcu impu PY_SOURCEu get_sourceu compileu filenameu PY_COMPILEDu _reopenu read_codeu fileu closeu PKG_DIRECTORYu _get_delegateu get_code( u selfu fullnameu mod_typeu source( ( u, /opt/alt/python33/lib64/python3.3/pkgutil.pyu get_codeD s u ImpLoader.get_codec C s | j | � } | j d k r| j d } | t j k rn | j � z | j j � | _ Wd | j j � Xq| t j k r� t j j | j d d � � r� t | j d d � d � } | j � | _ | j � q� q| t j k r| j � j � | _ qn | j S( Ni i u ri����i����( u _fix_nameu sourceu Noneu etcu impu PY_SOURCEu _reopenu fileu readu closeu PY_COMPILEDu osu pathu existsu filenameu openu PKG_DIRECTORYu _get_delegateu get_source( u selfu fullnameu mod_typeu f( ( u, /opt/alt/python33/lib64/python3.3/pkgutil.pyu get_sourceU s u ImpLoader.get_sourcec C s t | j � j d � S( Nu __init__( u ImpImporteru filenameu find_module( u self( ( u, /opt/alt/python33/lib64/python3.3/pkgutil.pyu _get_delegatei s u ImpLoader._get_delegatec C sd | j | � } | j d } | t j k r; | j � j � S| t j t j t j f k r` | j Sd S( Ni ( u _fix_nameu etcu impu PKG_DIRECTORYu _get_delegateu get_filenameu PY_SOURCEu PY_COMPILEDu C_EXTENSIONu filenameu None( u selfu fullnameu mod_type( ( u, /opt/alt/python33/lib64/python3.3/pkgutil.pyu get_filenamel s u ImpLoader.get_filenameN( u __name__u __module__u __qualname__u __doc__u Noneu codeu sourceu __init__u load_moduleu get_datau _reopenu _fix_nameu is_packageu get_codeu get_sourceu _get_delegateu get_filename( u __locals__( ( u, /opt/alt/python33/lib64/python3.3/pkgutil.pyu ImpLoader s ( u zipimporterc c sR t t j | j � } | j } t | � } i } d d l } x| D]} | j | � s_ qD n | | d � j t j � } t | � d k r� | d j d � r� | d | k r� d | | d <| d d f Vq� n t | � d k r� qD n | j | d � } | d k rqD n | rD d | k rD | | k rD d | | <| | d f VqD qD Wd S( Ni i i u __init__.pyu __init__u .TF( u sortedu zipimportu _zip_directory_cacheu archiveu prefixu lenu inspectu startswithu splitu osu sepu Trueu getmodulenameu False( u importeru prefixu dirlistu _prefixu plenu yieldedu inspectu fnu modname( ( u, /opt/alt/python33/lib64/python3.3/pkgutil.pyu iter_zipimport_modulesz s* % u iter_zipimport_modulesc C s} y t j | } Wne t k rx xP t j D]? } y$ | | � } t j j | | � PWq+ t k ri Yq+ Xq+ Wd } Yn X| S( u Retrieve a PEP 302 importer for the given path item The returned importer is cached in sys.path_importer_cache if it was newly created by a path hook. The cache (or part of it) can be cleared manually if a rescan of sys.path_hooks is necessary. N( u sysu path_importer_cacheu KeyErroru path_hooksu setdefaultu ImportErroru None( u path_itemu importeru path_hook( ( u, /opt/alt/python33/lib64/python3.3/pkgutil.pyu get_importer� s c c s� | j d � r- d j | � } t | � � n d | k r� | j d � d } t j | � } t | d d � } | d k r� d Sn" x t j D] } | Vq� Wt j } x | D] } t | � Vq� Wd S( u� Yield PEP 302 importers for the given module name If fullname contains a '.', the importers will be for the package containing fullname, otherwise they will be all registered top level importers (i.e. those on both sys.meta_path and sys.path_hooks). If the named module is in a package, that package is imported as a side effect of invoking this function. If no module name is specified, all top level importers are produced. u .u' Relative module name {!r} not supportedi u __path__N( u startswithu formatu ImportErroru rpartitionu importlibu import_moduleu getattru Noneu sysu meta_pathu pathu get_importer( u fullnameu msgu pkg_nameu pkgu pathu importeru item( ( u, /opt/alt/python33/lib64/python3.3/pkgutil.pyu iter_importers� s c C sr | t j k r t j | } n t | t � rb | } t | d d � } | d k rV | S| j } n | } t | � S( u Get a PEP 302 "loader" object for module_or_name Returns None if the module cannot be found or imported. If the named module is not already imported, its containing package (if any) is imported, in order to establish the package __path__. u __loader__N( u sysu modulesu isinstanceu ModuleTypeu getattru Noneu __name__u find_loader( u module_or_nameu moduleu loaderu fullname( ( u, /opt/alt/python33/lib64/python3.3/pkgutil.pyu get_loader� s c C s� | j d � r- d j | � } t | � � n d } | j d � d } | r� t j | � } t | d d � } | d k r� d Sn y t j | | � SWn[ t t t t f k r� } z/ d } t | j | t | � | � � | � WYd d } ~ Xn Xd S( u# Find a PEP 302 "loader" object for fullname This is s convenience wrapper around :func:`importlib.find_loader` that sets the *path* argument correctly when searching for submodules, and also ensures parent packages (if any) are imported before searching for submodules. u .u' Relative module name {!r} not supportedi u __path__u, Error while finding loader for {!r} ({}: {})N( u startswithu formatu ImportErroru Noneu rpartitionu importlibu import_moduleu getattru find_loaderu AttributeErroru TypeErroru ValueErroru type( u fullnameu msgu pathu pkg_nameu pkgu ex( ( u, /opt/alt/python33/lib64/python3.3/pkgutil.pyu find_loader� s c C s� t | t � s | S| d } | d d � } | j d � \ } } } | r� y t j | j } Wq� t t f k r} | SYq� Xn t j } xm| D]e} t | t � s� q� n t | � } | d k r't | d � r� | j | � \ } } n d } g } x- | D]" } | | k r� | j | � q� q� Wn t j j | | � } t j j | � r� y t | � } Wn? t k r�} z t j j d | | f � WYd d } ~ Xq�XxF | D]> } | j d � } | s�| j d � r�q�n | j | � q�W| j � q� q� W| S( u� Extend a package's path. Intended use is to place the following code in a package's __init__.py: from pkgutil import extend_path __path__ = extend_path(__path__, __name__) This will add to the package's __path__ all subdirectories of directories on sys.path named after the package. This is useful if one wants to distribute different parts of a single logical package as multiple directories. It also looks for *.pkg files beginning where * matches the name argument. This feature is similar to *.pth files (see site.py), except that it doesn't special-case lines starting with 'import'. A *.pkg file is trusted at face value: apart from checking for duplicates, all entries found in a *.pkg file are added to the path, regardless of whether they are exist the filesystem. (This is a feature.) If the input path is not a list (as is the case for frozen packages) it is returned unchanged. The input path is not modified; an extended copy is returned. Items are only appended to the copy at the end. It is assumed that sys.path is a sequence. Items of sys.path that are not (unicode or 8-bit) strings referring to existing directories are ignored. Unicode items of sys.path that cause errors when used as filenames may cause this function to raise an exception (in line with os.path.isdir() behavior). u .pkgNu .u find_loaderu Can't open %s: %s u u #( u isinstanceu listu rpartitionu sysu modulesu __path__u KeyErroru AttributeErroru pathu stru get_importeru Noneu hasattru find_loaderu appendu osu joinu isfileu openu IOErroru stderru writeu rstripu startswithu close( u pathu nameu sname_pkgu parent_packageu _u final_nameu search_pathu diru finderu loaderu portionsu portionu pkgfileu fu msgu line( ( u, /opt/alt/python33/lib64/python3.3/pkgutil.pyu extend_path sJ ! ! c C s� t | � } | d k s( t | d � r, d St j j | � pJ | j | � } | d k si t | d � rm d S| j d � } | j d t j j | j � � t j j | � } | j | � S( uf Get a resource from a package. This is a wrapper round the PEP 302 loader get_data API. The package argument should be the name of a package, in standard module format (foo.bar). The resource argument should be in the form of a relative filename, using '/' as the path separator. The parent directory name '..' is not allowed, and nor is a rooted name (starting with a '/'). The function returns a binary string, which is the contents of the specified resource. For packages located in the filesystem, which have already been imported, this is the rough equivalent of d = os.path.dirname(sys.modules[package].__file__) data = open(os.path.join(d, resource), 'rb').read() If the package cannot be located or loaded, or it uses a PEP 302 loader which does not support get_data(), then None is returned. u get_datau __file__u /i N( u get_loaderu Noneu hasattru sysu modulesu getu load_moduleu splitu insertu osu pathu dirnameu __file__u joinu get_data( u packageu resourceu loaderu modu partsu resource_name( ( u, /opt/alt/python33/lib64/python3.3/pkgutil.pyu get_data] s ! (! u __doc__u osu sysu importlibu impu os.pathu warningsu warnu typesu ModuleTypeu __all__u read_codeu simplegenericu Noneu walk_packagesu iter_modulesu iter_importer_modulesu _iter_file_finder_modulesu registeru machineryu FileFinderu ImpImporteru ImpLoaderu zipimportu zipimporteru iter_zipimport_modulesu ImportErroru get_importeru iter_importersu get_loaderu find_loaderu extend_pathu get_data( ( ( u, /opt/alt/python33/lib64/python3.3/pkgutil.pyu <module> sD (: (Hb \
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