Your IP : 3.12.165.68
a
R�f9, � @ 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#dd�Zd$dd�Zedd� �Zdd� Zdd � Zd d � Z G d d � d ej �Z G d!d"� d"ej �Z dS )%� )�abc)�module_from_spec)�
_resolve_name)�spec_from_loader)�
_find_spec)� MAGIC_NUMBER)�_RAW_MAGIC_NUMBER)�cache_from_source)�
decode_source)�source_from_cache)�spec_from_file_location� )�contextmanagerNc C s t �t| �S �N)�_imp� source_hashr )� source_bytes� r �3/opt/alt/python39/lib64/python3.9/importlib/util.pyr s r c C s\ | � d�s| S |s&tdt| �� d���d}| D ]}|dkr> qH|d7 }q.t| |d � ||�S )N�.zno package specified for z% (required for relative module names)r
r )�
startswith� ImportError�reprr )�name�package�level� characterr r r � resolve_name s
r c C sv | t jvrt| |�S t j| }|d u r*d S z
|j}W n" tyV td�| ��d �Y n 0 |d u rntd�| ���|S d S )N�{}.__spec__ is not set�{}.__spec__ is None)�sys�modulesr �__spec__�AttributeError�
ValueError�format)r �path�module�specr r r �_find_spec_from_path* s
r) c
C s� | � d�rt| |�n| }|tjvr�|�d�d }|r�t|dgd�}z
|j}W q� ty� } z&td|�d|��|d�|�W Y d }~q�d }~0 0 nd }t ||�S tj| }|d u r�d S z
|j
}W n" ty� t d� | ��d �Y n 0 |d u r�t d � | ���|S d S )
Nr r
�__path__)�fromlistz __path__ attribute not found on z while trying to find )r r r )
r r r r! �
rpartition�
__import__r* r# �ModuleNotFoundErrorr r" r$ r% ) r r �fullname� parent_name�parent� parent_path�er' 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! �get�type�__initializing__� Exception�KeyError)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|d�sR|j�d�d |_|S )N�7The import system now takes care of this automatically.� ��
stacklevel� __package__r* r r
)�warnings�warn�DeprecationWarning�getattr�__name__r@ �hasattrr, )�args�kwargsr' ��fxnr r �set_package_wrapper� s �
z(set_package.<locals>.set_package_wrapper�� functools�wraps)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.<locals>.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|�d�d |_� | |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.<locals>.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 r�t| �tt j | �kr�t
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 �items�id�loader� exec_moduler r! r$ �updaterD ) rQ �attr�
original_name�
attrs_then�
original_type� attrs_now�
attrs_updated�key�valuer 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 | d�std��d S )Nr` z loader must define exec_module())rF � TypeError)r_ r r r �__check_eager_loader s
z LazyLoader.__check_eager_loaderc s � � �� � �fdd�S )Nc s � �| i |���S r r )rG rH ��clsr_ r r �<lambda> � z$LazyLoader.factory.<locals>.<lambda>)� _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 �<module> s6
-
'/