U
    1e2'                     @   s   d 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lm	Z	m
Z
 ddlmZ edZd	d
 ZG dd deZG dd deZG dd deZG dd deZdS )zE
System command aliases.

Authors:

* Fernando Perez
* Brian Granger
    N)Configurable   )
UsageError)ListInstance)errorz^(\s*)()(\S+)(.*$)c                  C   s   t jdkr|ddddddg} tjdr8d	d
ddddg}n:tjdsPtjdrbddddddg}nddddddg}| | } n$t jdkrddd ddd!d"d#g} ng } | S )$z1Return list of shell aliases to auto-define.
    posix)mkdirr	   )rmdirr
   )mvr   )rmr   )cpr   )catr   linux)lszls -F --color)llzls -F -o --color)lfzls -F -o --color %l | grep ^-)lkzls -F -o --color %l | grep ^l)ldirzls -F -o --color %l | grep /$)lxz ls -F -o --color %l | grep ^-..xZopenbsdZnetbsd)r   zls -F)r   zls -F -l)r   zls -F -l %l | grep ^-)r   zls -F -l %l | grep ^l)r   zls -F -l %l | grep /$)r   zls -F -l %l | grep ^-..x)r   zls -F -G)r   zls -F -l -G)r   zls -F -l -G %l | grep ^-)r   zls -F -l -G %l | grep ^l)r   zls -F -G -l %l | grep /$)r   zls -F -l -G %l | grep ^-..x)ntdos)r   zdir /on)ddirdir /ad /on)r   r   )echor   )renr   )copyr   )osnamesysplatform
startswith)default_aliasesZ
ls_aliases r#   6/tmp/pip-unpacked-wheel-3hxk2k58/IPython/core/alias.pyr"   (   sV    

  

    r"   c                   @   s   e Zd ZdS )
AliasErrorN__name__
__module____qualname__r#   r#   r#   r$   r%   q   s   r%   c                   @   s   e Zd ZdS )InvalidAliasErrorNr&   r#   r#   r#   r$   r*   u   s   r*   c                   @   sB   e Zd ZdZddddddhZdd	 Zd
d Zdd ZdddZdS )AliaszCallable object storing the details of one alias.

    Instances are registered as magic functions to allow use of aliases.
    ZcdZpopdZpushdZdhistaliasZunaliasc                 C   s,   || _ || _|| _d|| _|  | _d S )NzAlias for `!{}`)shellr   cmdformat__doc__validatenargs)selfr-   r   r.   r#   r#   r$   __init__   s
    zAlias.__init__c                 C   s   | j | jkrtd| j  z| jjjd | j  }W n tk
rF   Y nX t|ts`td| j  t| j	t
sztd| j	 | j	d| j	d }|dkr| j	ddkrtd	|S )
z7Validate the alias, and return the number of arguments.z@The name %s can't be aliased because it is a keyword or builtin.linezAThe name %s can't be aliased because it is another magic command.z*An alias command must be a string, got: %r%s%%sr   %lzEThe %s and %l specifiers are mutually exclusive in alias definitions.)r   	blacklistr*   r-   magics_managermagicsKeyError
isinstancer+   r.   strcountfind)r3   callerr2   r#   r#   r$   r1      s(    
zAlias.validatec                 C   s   d | j| jS )Nz<alias {} for {!r}>)r/   r   r.   r3   r#   r#   r$   __repr__   s    zAlias.__repr__ c                 C   s   | j }| j}|ddkr*|d|}d}|dkrZ|ddkrL|dd}d||f }nZ|d |}t||k rtd| j|t|f d|t|d |  d		||d  f }| j
| d S )
Nr8   r   rD   r7   r   r6   z%s %sz+Alias <%s> requires %s arguments, %s given. )r.   r2   r@   replacesplitlenr   r   tuplejoinr-   system)r3   restr.   r2   argsr#   r#   r$   __call__   s     *zAlias.__call__N)rD   )	r'   r(   r)   r0   r9   r4   r1   rC   rN   r#   r#   r#   r$   r+   x   s   r+   c                       s   e Zd Zee jddZeg djddZedddZd fdd	Z	d	d
 Z
edd Zdd Zdd Zdd Zdd Zdd Zdd Zdd Z  ZS )AliasManagerT)config)default_valuez1IPython.core.interactiveshell.InteractiveShellABC)
allow_noneNc                    s6   t t| jf d|i| | jjjd | _|   d S )Nr-   r5   )superrO   r4   r-   r:   r;   
linemagicsinit_aliases)r3   r-   kwargs	__class__r#   r$   r4      s    zAliasManager.__init__c                 C   sH   | j | j D ]6\}}|dr6| jjdkr6|dd}| || qd S )Nzls ZNoColorz --colorrD   )r"   user_aliasesr!   r-   colorsrF   soft_define_aliasr3   r   r.   r#   r#   r$   rU      s    zAliasManager.init_aliasesc                 C   s   dd | j  D S )Nc                 S   s$   g | ]\}}t |tr||jfqS r#   )r=   r+   r.   ).0nfuncr#   r#   r$   
<listcomp>   s    
z(AliasManager.aliases.<locals>.<listcomp>)rT   itemsrB   r#   r#   r$   aliases   s    zAliasManager.aliasesc              
   C   sD   z|  || W n. tk
r> } ztd|  W 5 d}~X Y nX dS )z2Define an alias, but don't raise on an AliasError.zInvalid alias: %sN)define_aliasr%   r   )r3   r   r.   er#   r#   r$   r[      s    zAliasManager.soft_define_aliasc                 C   s(   t | j||d}| jjj|d|d dS )zDefine a new alias after validating it.

        This will raise an :exc:`AliasError` if there are validation
        problems.
        )r-   r   r.   r5   )Z
magic_kindZ
magic_nameN)r+   r-   r:   Zregister_function)r3   r   r.   rA   r#   r#   r$   rc      s    zAliasManager.define_aliasc                 C   s    | j |d}t|tr|S dS )z9Return an alias, or None if no alias by that name exists.N)rT   getr=   r+   )r3   r   anamer#   r#   r$   	get_alias   s    zAliasManager.get_aliasc                 C   s   |  |dk	S )z?Return whether or not a given name has been defined as an aliasN)rg   r3   r   r#   r#   r$   is_alias   s    zAliasManager.is_aliasc                 C   s$   |  |r| j|= ntd| d S )N%s is not an alias)ri   rT   
ValueErrorrh   r#   r#   r$   undefine_alias   s    

zAliasManager.undefine_aliasc                 C   s   | j D ]\}}| | qd S )N)rb   rl   r\   r#   r#   r$   clear_aliases   s    zAliasManager.clear_aliasesc                 C   s$   |  |}|r|jS td| dS )z/Retrieve the command to which an alias expands.rj   N)rg   r.   rk   )r3   r   rA   r#   r#   r$   retrieve_alias   s    
zAliasManager.retrieve_alias)N)r'   r(   r)   r   r"   tagrY   r   r-   r4   rU   propertyrb   r[   rc   rg   ri   rl   rm   rn   __classcell__r#   r#   rW   r$   rO      s   

rO   )r0   r   rer   Ztraitlets.config.configurabler   r   r   Z	traitletsr   r   loggingcompileZshell_line_splitr"   	Exceptionr%   r*   objectr+   rO   r#   r#   r#   r$   <module>   s   
IH