Your IP : 18.118.152.10
3
\�* � @ 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 l
mZ d d
lZd d
lZd d
lZd d
lZdd� Zd dd�Zd!dd�Zedd� �Zdd� Zdd� Zdd� ZG d d � d ej�ZG d d � d ej �Z d
S )"� )�abc)�module_from_spec)�
_resolve_name)�spec_from_loader)�
_find_spec)� MAGIC_NUMBER)�cache_from_source)�
decode_source)�source_from_cache)�spec_from_file_location� )�contextmanagerNc C s^ | j d�s| S |s&tdt| �� d���d}x | D ]}|dkr>P |d7 }q0W t| |d � ||�S )N�.zno package specified for z% (required for relative module names)r r )�
startswith�
ValueError�reprr )�name�package�level� character� r �&/usr/lib64/python3.6/importlib/util.py� resolve_name s
r c C sx | t jkrt| |�S t j| }|d kr*d S y
|j}W n$ tk
rX tdj| ��d �Y n X |d krptdj| ���|S d S )Nz{}.__spec__ is not setz{}.__spec__ is None)�sys�modulesr �__spec__�AttributeErrorr �format)r �path�module�specr r r �_find_spec_from_path# s
r! c C s� | j d�rt| |�n| }|tjkrZ|jd�d }|rNt|dgd�}t||j�S t|d �S n`tj| }|d krpd S y
|j}W n$ t k
r� t
dj | ��d �Y n X |d kr�t
dj | ���|S d S )Nr r �__path__)�fromlistz{}.__spec__ is not setz{}.__spec__ is None) r r r r �
rpartition�
__import__r r" r r r r )r r �fullname� parent_name�parentr r r r r � find_specB s"
r) c c s� | t jk}t jj| �}|s6tt �| �}d|_|t j| < zJy
|V W n: tk
r| |sxy t j| = W n tk
rv Y nX Y nX W d d|_X d S )NTF)r r �get�type�__initializing__� Exception�KeyError)r � is_reloadr r r r �_module_to_loadj s
r0 c s t j� �� fdd��}|S )Nc sR t jdtdd� � | |�}t|dd �d krN|j|_t|d�sN|jjd�d |_|S )Nz7The import system now takes care of this automatically.� )�
stacklevel� __package__r" r r )�warnings�warn�DeprecationWarning�getattr�__name__r3 �hasattrr$ )�args�kwargsr )�fxnr r �set_package_wrapper� s
z(set_package.<locals>.set_package_wrapper)� functools�wraps)r< r= r )r< r � set_package� s
r@ c s t j� �� fdd��}|S )Nc s: t jdtdd� � | f|�|�}t|dd �d kr6| |_|S )Nz7The import system now takes care of this automatically.r1 )r2 �
__loader__)r4 r5 r6 r7 rA )�selfr: r; r )r< r r �set_loader_wrapper� s
z&set_loader.<locals>.set_loader_wrapper)r> r? )r< rC r )r< r �
set_loader� s rD c s* t jdtdd� tj� �� fdd��}|S )Nz7The import system now takes care of this automatically.r1 )r2 c sp t |��^}| |_y| j|�}W n ttfk
r6 Y n X |rD||_n|jd�d |_� | |f|�|�S Q R X d S )Nr r )r0 rA �
is_package� ImportErrorr r3 r$ )rB r& r: r; r rE )r< r r �module_for_loader_wrapper� s
z4module_for_loader.<locals>.module_for_loader_wrapper)r4 r5 r6 r> r? )r< rG r )r< r �module_for_loader� s
rH c @ s e Zd Zdd� Zdd� ZdS )� _LazyModulec C s� t j| _| jj}| jjd }| jjd }| j}i }xF|j� D ]:\}}||krV|||< q<t|| �t|| �kr<|||< q<W | jj j
| � |t j kr�t| �tt j | �kr�t
d|�d���| jj|� t| |�S )N�__dict__� __class__zmodule object for z. substituted in sys.modules during a lazy load)�types�
ModuleTyperK r r � loader_staterJ �items�id�loader� exec_moduler r r �updater7 ) rB �attr�
original_name�
attrs_then�
original_type� attrs_now�
attrs_updated�key�valuer r r �__getattribute__� s"
z _LazyModule.__getattribute__c C s | j |� t| |� d S )N)r\ �delattr)rB rT r r r � __delattr__� s
z_LazyModule.__delattr__N)r8 �
__module__� __qualname__r\ r^ r r r r rI � s #rI c @ s< e Zd Zedd� �Zedd� �Zdd� Zdd� Zd d
� Z d S ) �
LazyLoaderc C s t | d�std��d S )NrR z loader must define exec_module())r9 � TypeError)rQ r r r �__check_eager_loader s
z LazyLoader.__check_eager_loaderc s � j �� � �fdd�S )Nc s � �| |��S )Nr )r: r; )�clsrQ r r �<lambda> s z$LazyLoader.factory.<locals>.<lambda>)� _LazyLoader__check_eager_loader)rd rQ r )rd rQ r �factory s
zLazyLoader.factoryc C s | j |� || _d S )N)rf rQ )rB rQ r r r �__init__
s
zLazyLoader.__init__c C s | j j|�S )N)rQ �
create_module)rB r r r r ri s zLazyLoader.create_modulec C s@ | j |j_ | j |_i }|jj� |d< |j|d< ||j_t|_d S )NrJ rK )rQ r rA rJ �copyrK rN rI )rB r rN r r r rR s
zLazyLoader.exec_moduleN)
r8 r_ r` � staticmethodrf � classmethodrg rh ri rR r r r r ra � s
ra )N)N) � r �
_bootstrapr r r r �_bootstrap_externalr r r r
r �
contextlibr
r> r rL r4 r r! r) r0 r@ rD rH rM rI �Loaderra r r r r �<module> s.
( '/