U
    d                     @   s`   d dl Z d dlZe jdddd Zdd Zdd	 Zd
d Zdd Zdd Zdd Z	dd Z
dS )    Ni   )maxsizec                 C   s(   t t| j }|r$|dd  }|S )N   )tupleinspect	signature
parametersvalues)funcremove_firstr    r   8/tmp/pip-unpacked-wheel-7vj2equ7/django/utils/inspect.py_get_func_parameters   s    r   c                 C   s$   t | }|r| jn| }t||dS )N)r
   )r   ismethod__func__r   )Zmeth_or_funcZ	is_methodr	   r   r   r   _get_callable_parameters   s    
r   c                 C   s   t | }dd |D S )Nc                 S   s    g | ]}|j tjjkr|jqS r   )kindr   	ParameterPOSITIONAL_OR_KEYWORDname.0paramr   r   r   
<listcomp>   s   z!get_func_args.<locals>.<listcomp>)r   )r	   paramsr   r   r   get_func_args   s    r   c                 C   s   t | }g }|D ]n}|j}|dkr$q|jtjjkr<d| }n|jtjjkrRd| }|jtjjkrr|	||jf q|	|f q|S )z
    Return a list of (argument name, default value) tuples. If the argument
    does not have a default value, omit it in the tuple. Arguments such as
    *args and **kwargs are also included.
    self*z**)
r   r   r   r   r   VAR_POSITIONALVAR_KEYWORDdefaultemptyappend)r	   r   argsr   r   r   r   r   get_func_full_args   s    
r#   c                 C   s   t dd t| D S )zBReturn True if function 'func' accepts keyword arguments **kwargs.c                 s   s   | ]}|j |jkr|V  qd S N)r   r   r   pr   r   r   	<genexpr>6   s      z&func_accepts_kwargs.<locals>.<genexpr>anyr   r	   r   r   r   func_accepts_kwargs4   s    r+   c                 C   s   t dd t| D S )zL
    Return True if function 'func' accepts positional arguments *args.
    c                 s   s   | ]}|j |jkr|V  qd S r$   )r   r   r%   r   r   r   r'   =   s      z(func_accepts_var_args.<locals>.<genexpr>r(   r*   r   r   r   func_accepts_var_args9   s    r,   c                 C   s0   t dd t| D }t| r(|dkS |dkS )z,Return True if a method only accepts 'self'.c                 S   s   g | ]}|j |jkr|qS r   )r   r   r%   r   r   r   r   C   s      z&method_has_no_args.<locals>.<listcomp>r   r   )lenr   r   r   )methcountr   r   r   method_has_no_args@   s    r0   c                    s   t  fddt| D S )Nc                 3   s   | ]}|j  kV  qd S r$   r   r   r1   r   r   r'   I   s     z*func_supports_parameter.<locals>.<genexpr>r(   )r	   r   r   r1   r   func_supports_parameterH   s    r2   )	functoolsr   	lru_cacher   r   r   r#   r+   r,   r0   r2   r   r   r   r   <module>   s   

	