U
e5dS @ st d dl mZ d dlmZ d dlZd dlZd dlZd dlZd dl Zd dl
Z
d dl m Z d dl
Z
ddddd d
d d d
dddg ZeddZde_dd Zdd Zd*dd Zd+dd
Zed,ddZd-dd Zeejje d d ZG d d d ZG d d
d
Z z.d dl Z d d!l m Z d.d"d#Z ee e W n e k
r< Y nX d$d Z!d/d%dZ"d&d Z#d'd Z$d(d Z%d)d Z&dS )0 )
namedtuple)singledispatchN)
ModuleType get_importeriter_importers
get_loader find_loader
walk_packages iter_modulesget_data ImpImporter ImpLoader read_code extend_path
ModuleInfozmodule_finder name ispkgz.A namedtuple with minimal info about a module.c C sR z
| j }W n: tk
rD | |}|d kr2Y d S tj|| Y S X ||S d S N) find_specAttributeError find_module importlibutilspec_from_loader)findernamer loader r /usr/lib64/python3.8/pkgutil.py _get_spec s
r c C s6 dd l }| d}|tjjkr"d S | d || S )Nr )marshalreadr r MAGIC_NUMBERload)streamr magicr r r r ( s
c # s i fdd t | |D ]}|V |jrzt|j W nN tk
rZ |d k rV||j Y q tk
r |d k r|||j n Y qX ttj|j dd pg } fdd| D } t | |jd |E d H qd S )Nc S s | |kr dS d|| < d S )NTr )pmr r r seenR s zwalk_packages..seen__path__c s g | ]} |s|qS r r ).0r' r) r r
i s z!walk_packages...)
r
ispkg
__import__r ImportError Exceptiongetattrsysmodulesr )pathprefixonerrorinfor r, r r 5 s c c sr | d krt }n t| tr$tdn
tt| }i }|D ]6}t||D ]&\}}||krDd||< t|||V qDq6d S )Nz9path must be None or list of paths to look for modules in )r
isinstancestr
ValueErrormapr iter_importer_modulesr )r6 r7 Z importersyieldedir r/ r r r r
n s
c C s t | dsg S | |S )Nr
)hasattrr
)importerr7 r r r r? s
r? c c s$ | j d kstj | j s d S i }dd l}zt| j }W n tk
rP g }Y nX | |D ]}||}|dks^||kr~q^tj | j |}d}|stj |rd|kr|}zt|} W n tk
r g } Y nX | D ] }||}
|
dkrd} qqq^|r^d|kr^d||< || |fV q^d S Nr __init__Fr. Tr: r6 osisdirinspectlistdirOSErrorsort
getmodulenamejoin) rC r7 r@ rI filenamesfnmodnamer6 r/ dircontentssubnamer r r _iter_file_finder_modules s<
rT c C s. t t dt tdaW 5 Q R X d S )Nignoreimp)warningscatch_warnings simplefilterDeprecationWarningr
import_modulerV r r r r _import_imp s
r\ c @ s* e Zd Zd ddZd
ddZd ddZdS ) r Nc C s t dt t || _d S Nz5This emulation is deprecated, use 'importlib' instead)rW warnrZ r\ r6 )selfr6 r r r rE s
zImpImporter.__init__c C s | dd }||kr$| jd kr$d S | jd kr4d }ntj| jg}zt||\}}}W n tk
rp Y d S X t||||S )Nr. )splitr6 rG realpathrV r r1 r
)r_ fullnamer6 rS filefilenameetcr r r r s
zImpImporter.find_moduler& c c s$ | j d kstj | j s d S i }dd l}zt| j }W n tk
rP g }Y nX | |D ]}||}|dks^||kr~q^tj | j |}d}|stj |rd|kr|}zt|} W n tk
r g } Y nX | D ] }||}
|
dkrd} qqq^|r^d|kr^d||< || |fV q^d S rD rF ) r_ r7 r@ rI rO rP rQ r6 r/ rR rS r r r r
s<
zImpImporter.iter_modules)N)N)r& )__name__
__module__ __qualname__rE r r
r r r r r s
c @ sj e Zd Zd ZZdd Zdd Zdd Zdd Zd
d Z d d
Z
dddZ dddZ dd Z
dddZdS )r
Nc C s. t dt t || _|| _|| _|| _d S r] )rW r^ rZ r\ rd re rc rf )r_ rc rd re rf r r r rE s zImpLoader.__init__c C s: | zt|| j| j| j}W 5 | jr4| j X |S r )_reopenrd closerV load_modulere rf )r_ rc modr r r rl s zImpLoader.load_modulec
C s* t |d}| W 5 Q R S Q R X d S )Nrb)openr! )r_ pathnamerd r r r r % s zImpLoader.get_datac C sT | j rP| j jrP| jd }|tjkr2t| jd| _ n |tjtjfkrPt| jd| _ d S )N rrn ) rd closedrf rV PY_SOURCEro re PY_COMPILED C_EXTENSION)r_ mod_typer r r rj ) s
zImpLoader._reopenc C s0 |d kr| j }n || j kr,td| j |f |S )Nz,Loader for module %s cannot handle module %s)rc r1 r_ rc r r r _fix_name1 s
zImpLoader._fix_namec C s | |}| jd tjkS Nrq )ry rf rV
PKG_DIRECTORYrx r r r
is_package9 s
zImpLoader.is_packagec C s | |}| jd kr| jd }|tjkrD| |}t|| jd| _nJ|tjkrv| zt | j
| _W 5 | j
X n|tj
kr| | _| jS )Nrq exec)ry coderf rV rt
get_sourcecompilere ru rj rd rk r r{
_get_delegateget_code)r_ rc rw sourcer r r r = s
zImpLoader.get_codec C s | |}| jd kr| jd }|tjkrP| z| j | _W 5 | j X nd|tj krt
j | j
d d rt| j
d d d}| | _W 5 Q R X n|tjkr| | _| jS )Nrq r` rr )ry r rf rV rt rj rd rk r! ru rG r6 existsre ro r{ r r )r_ rc rw fr r r r N s
zImpLoader.get_sourcec C s t | j}t|d}|jS )NrE )r re r r )r_ r specr r r r ` s
zImpLoader._get_delegatec C sH | |}| jd }|tjkr*| S |tjtjtjfkrD| j S d S rz )
ry rf rV r{ r get_filenamert ru rv re )r_ rc rw r r r r e s
zImpLoader.get_filename)N)N)N)rg rh ri r~ r rE rl r rj ry r| r r r r r r r r r
s
) zipimporterc c s t tj| j }| j}t|}i }dd l}|D ]}||s>q.||d t j
}t|dkr|d dr|d |krd||d < ||d dfV t|dkrq.| |d }|dkrq.|r.d|kr.||kr.d||< || dfV q.d S ) Nr rq r: z __init__.pyTrE r. F) sorted zipimport_zip_directory_cachearchiver7 lenrI
startswithra rG seprM ) rC r7 Zdirlist_prefixZplenr@ rI rP rQ r r r iter_zipimport_moduless s*
r c C sx t | } ztj| }W nZ tk
rr tjD ]:}z || }tj| | W qnW q. tk
rf Y q.X q.d }Y nX |S r )rG fsdecoder4 path_importer_cacheKeyError
path_hooks
setdefaultr1 )Z path_itemrC path_hookr r r r s
c c s | dr d| }t|d| krV| dd }t|}t|dd }|d krhd S ntjE d H tj }|D ]}t
|V qld S )Nr. 'Relative module name {!r} not supportedr r* ) r formatr1
rpartitionr r[ r3 r4 meta_pathr6 r )rc msgZpkg_nameZpkgr6 itemr r r r s
c C sn | t jkr t j| } | d kr d S t| trb| }t|dd }|d k rF|S t|dd d krZd S |j}n| }t|S )N
__loader____spec__)r4 r5 r; r r3 rg r )Zmodule_or_namemoduler rc r r r r s
c C s | dr d| }t|ztj| }W nF ttttfk
rr } z d}t|| t |||W 5 d }~X Y nX |d k r|j
S d S )Nr. r z,Error while finding loader for {!r} ({}: {})) r r r1 r r r r TypeErrorr= typer )rc r r Zexr r r r s
*c C s t | ts| S |d }| d d } |d\}}}|rfztj| j}W ql ttfk
rb | Y S X ntj}|D ]&}t |t sqpt
|}|d k rg } t |dr| |}
|
d k r|
j
pg } nt |dr||\}} | D ]} | | kr| | qtj||} tj| rpz t| }
W n8 tk
rP } ztjd| |f W 5 d }~X Y qpX |
< |
D ]0}|d}|r\|drq\| | q\W 5 Q R X qp| S )Nz.pkgr. r r zCan't open %s: %s
#)r; listr r4 r5 r* r r r6 r< r rB r submodule_search_locationsr appendrG rN isfilero rK stderrwriterstripr )r6 r Z sname_pkgZparent_package_Z
final_nameZ search_pathdirr portionsr ZportionZpkgfiler r liner r r r sR !
c C s t j| }|d krd S |j}|d ks0t|ds4d S tj| pJt j |}|d ks^t|dsbd S |
d}| dt j
|j t j
j| }||S )Nr __file__/r )r r r r rB r4 r5 get
_bootstrap_loadra insertrG r6 dirnamer rN r )packageresourcer r rm partsZ
resource_namer r r r V s
)Nr& N)Nr& )r& )r& )r& )r& )' collectionsr functoolsr Z
simplegenericr importlib.utilimportlib.machineryrG Zos.pathr4 typesr rW __all__r __doc__r r r r
r? rT register machinery
FileFinderr\ r r
r r r r1 r r r r r r r r r r sf
9
( Jc
^