a
i9, @ s( d dl mZ d dlmZ d dlmZ d dlmZ d dlmZ d dlmZ d dlm Z d dlm
Z
d d lm Z d d
lm Z d d lm
Z
d d
lmZ d dlZd dlZd dlZd dlZd dlZdd Zdd Zd#ddZd$ddZedd Zdd Zdd Zd d Z G d d d ej Z G d!d" d"ej Z dS )% )abc)module_from_spec)
_resolve_name)spec_from_loader)
_find_spec) MAGIC_NUMBER)_RAW_MAGIC_NUMBER)cache_from_source)
decode_source)source_from_cache)spec_from_file_location )contextmanagerNc C s t t| S N)_imp source_hashr ) source_bytes r &/usr/lib64/python3.9/importlib/util.pyr s r c C s\ | ds| S |s&tdt| dd}| D ]}|dkr> qH|d7 }q.t| |d ||S )N.zno package specified for z% (required for relative module names)r
r )
startswith ImportErrorreprr )namepackagelevel characterr r r resolve_name s
r c C sv | t jvrt| |S t j| }|d u r*d S z
|j}W n" tyV td| d Y n 0 |d u rntd| |S d S )N{}.__spec__ is not set{}.__spec__ is None)sysmodulesr __spec__AttributeError
ValueErrorformat)r pathmodulespecr r r _find_spec_from_path* s
r) c
C s | drt| |n| }|tjvr|dd }|rt|dgd}z
|j}W q ty } z&td|d||d|W Y d }~qd }~0 0 nd }t ||S tj| }|d u rd S z
|j
}W n" ty t d | d Y n 0 |d u rt d | |S d S )
Nr r
__path__)fromlistz __path__ attribute not found on z while trying to find )r r r )
r r r r!
rpartition
__import__r* r# ModuleNotFoundErrorr r" r$ r% ) r r fullname parent_nameparent parent_pather' r( r r r find_specI s8
r4 c c s | t jv }t j| }|s6tt | }d|_|t j| < zLz
|V W n6 tyx |stz t j| = W n tyr Y n0 Y n0 W d|_nd|_0 d S )NTF)r r! gettype__initializing__ ExceptionKeyError)r is_reloadr' r r r _module_to_loadv s
r; c s t fdd}|S )Nc sV t jdtdd | i |}t|dd d u rR|j|_t|dsR|jdd |_|S )N7The import system now takes care of this automatically.
stacklevel __package__r* r r
)warningswarnDeprecationWarninggetattr__name__r@ hasattrr, )argskwargsr' fxnr r set_package_wrapper s
z(set_package..set_package_wrapper functoolswraps)rJ rK r rI r set_package s rO c s t fdd}|S )Nc s@ t jdtdd | g|R i |}t|dd d u r<| |_|S )Nr< r= r>
__loader__)rA rB rC rD rP )selfrG rH r' rI r r set_loader_wrapper s z&set_loader..set_loader_wrapperrL )rJ rR r rI r
set_loader s rS c s* t jdtdd t fdd}|S )Nr< r= r> c
s t |p}| |_z| |}W n ttfy4 Y n 0 |rB||_n|dd |_ | |g|R i |W d S 1 s~0 Y d S )Nr r
)r; rP
is_packager r# r@ r, )rQ r/ rG rH r' rT rI r r module_for_loader_wrapper s
z4module_for_loader..module_for_loader_wrapper)rA rB rC rM rN )rJ rU r rI r module_for_loader s rV c @ s e Zd Zdd Zdd ZdS ) _LazyModulec C s t j| _| jj}| jjd }| jjd }| j}i }| D ]:\}}||vrT|||< q:t|| t|| kr:|||< q:| jj
| |t j v rt| tt j | krt
d|d| j| t| |S )N__dict__ __class__zmodule object for z. substituted in sys.modules during a lazy load)types
ModuleTyperY r" r loader_staterX itemsidloader exec_moduler r! r$ updaterD ) rQ attr
original_name
attrs_then
original_type attrs_now
attrs_updatedkeyvaluer r r __getattribute__ s"
z _LazyModule.__getattribute__c C s | | t| | d S r )rj delattr)rQ rb r r r __delattr__ s
z_LazyModule.__delattr__N)rE
__module__ __qualname__rj rl r r r r rW s #rW c @ s< e Zd Zedd Zedd Zdd Zdd Zd d
Z d S )
LazyLoaderc C s t | dstdd S )Nr` z loader must define exec_module())rF TypeError)r_ r r r __check_eager_loader s
z LazyLoader.__check_eager_loaderc s fddS )Nc s | i |S r r )rG rH clsr_ r r z$LazyLoader.factory..) _LazyLoader__check_eager_loaderrr r rr r factory s
zLazyLoader.factoryc C s | | || _d S r )rv r_ )rQ r_ r r r __init__ s
zLazyLoader.__init__c C s | j |S r )r_
create_module)rQ r( r r r ry s zLazyLoader.create_modulec C s@ | j |j_ | j |_i }|j |d< |j|d< ||j_t|_d S )NrX rY )r_ r" rP rX copyrY r\ rW )rQ r' r\ r r r r` s
zLazyLoader.exec_moduleN)
rE rm rn staticmethodrv classmethodrw rx ry r` r r r r ro
s
ro )N)N)! r
_bootstrapr r r r _bootstrap_externalr r r r
r r
contextlibr r rM r rZ rA r r r) r4 r; rO rS rV r[ rW Loaderro r r r r s6
-
'/