U
    Zޫ^%                     @   s   d Z ddlmZ ddl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 ddlmZmZ ddlmZ eeZG d	d
 d
ejZG dd deZG dd dejZG dd deZdd ZdS )zBase option parser setup    )absolute_importN)	strtobool)string_types)UNKNOWN_ERROR)ConfigurationConfigurationError)get_terminal_sizec                   @   sR   e Zd ZdZdd Zdd Zddd	Zd
d Zdd Zdd Z	dd Z
dd ZdS )PrettyHelpFormatterz4A prettier/less verbose help formatter for optparse.c                 O   s:   d|d< d|d< t  d d |d< tjj| f|| d S )N   max_help_position   indent_incrementr      width)r   optparseIndentedHelpFormatter__init__)selfargskwargs r   </tmp/pip-unpacked-wheel-huh_82lg/pip/_internal/cli/parser.pyr      s    zPrettyHelpFormatter.__init__c                 C   s
   |  |S N)_format_option_stringsr   optionr   r   r   format_option_strings!   s    z)PrettyHelpFormatter.format_option_strings <{}>, c                 C   s~   g }|j r||j d  |jr0||jd  t|dkrH|d| | rt|jp^|j }||	|  d
|S )z
        Return a comma-separated list of option strings and metavars.

        :param option:  tuple of (short opt, long opt), e.g: ('-f', '--format')
        :param mvarfmt: metavar format string
        :param optsep:  separator
        r   r    )_short_optsappend
_long_optsleninserttakes_valuemetavardestlowerformatjoin)r   r   mvarfmtoptsepoptsr&   r   r   r   r   $   s    z*PrettyHelpFormatter._format_option_stringsc                 C   s   |dkrdS |d S )NOptionsr   z:
r   )r   headingr   r   r   format_heading;   s    z"PrettyHelpFormatter.format_headingc                 C   s   d | t|d}|S )zz
        Ensure there is only one newline between usage and the first heading
        if there is no description.
        z
Usage: {}
  )r)   indent_linestextwrapdedent)r   usagemsgr   r   r   format_usage@   s    z PrettyHelpFormatter.format_usagec                 C   sV   |rNt | jdrd}nd}|d}| }| t|d}d||}|S dS d S )NmainCommandsDescription
r1   z{}:
{}
r   )hasattrparserlstriprstripr2   r3   r4   r)   )r   descriptionlabelr   r   r   format_descriptionI   s    
z&PrettyHelpFormatter.format_descriptionc                 C   s   |r|S dS d S )Nr   r   )r   epilogr   r   r   format_epilog[   s    z!PrettyHelpFormatter.format_epilogc                    s"    fdd| dD }d|S )Nc                    s   g | ]} | qS r   r   ).0lineindentr   r   
<listcomp>c   s     z4PrettyHelpFormatter.indent_lines.<locals>.<listcomp>r;   )splitr*   )r   textrH   	new_linesr   rG   r   r2   b   s    z PrettyHelpFormatter.indent_linesN)r   r   )__name__
__module____qualname____doc__r   r   r   r0   r7   rB   rD   r2   r   r   r   r   r	      s   
	r	   c                   @   s   e Zd ZdZdd ZdS )UpdatingDefaultsHelpFormatterzCustom help formatter for use in ConfigOptionParser.

    This is updates the defaults before expanding them, allowing
    them to show up correctly in the help listing.
    c                 C   s(   | j d k	r| j | j j tj| |S r   )r=   _update_defaultsdefaultsr   r   expand_defaultr   r   r   r   rT   n   s    
z,UpdatingDefaultsHelpFormatter.expand_defaultN)rM   rN   rO   rP   rT   r   r   r   r   rQ   g   s   rQ   c                   @   s    e Zd Zdd Zedd ZdS )CustomOptionParserc                 O   s(   | j ||}| j  | j|| |S )z*Insert an OptionGroup at a given position.)add_option_groupoption_groupspopr$   )r   idxr   r   groupr   r   r   insert_option_groupv   s    
z&CustomOptionParser.insert_option_groupc                 C   s*   | j dd }| jD ]}||j  q|S )z<Get a list of all options, including those in option groups.N)option_listrW   extend)r   resir   r   r   option_list_all   s    
z"CustomOptionParser.option_list_allN)rM   rN   rO   r[   propertyr`   r   r   r   r   rU   t   s   	rU   c                   @   s@   e Zd ZdZdd Zdd Zdd Zdd	 Zd
d Zdd Z	dS )ConfigOptionParserzsCustom option parser which updates its defaults by checking the
    configuration files and environmental variablesc                 O   sD   | d| _| dd}t|| _| js,ttjj| f|| d S )NnameisolatedF)rX   rc   r   configAssertionErrorr   OptionParserr   )r   r   r   rd   r   r   r   r      s
    

zConfigOptionParser.__init__c              
   C   sP   z| ||W S  tjk
rJ } ztd| td W 5 d }~X Y nX d S )Nz*An error occurred during configuration: {}   )check_valuer   OptionValueErrorprintr)   sysexit)r   r   keyvalexcr   r   r   check_default   s
    z ConfigOptionParser.check_defaultc                 c   s   d| j dg}dd |D }| j D ]D\}}|s>td| q$|dd\}}||kr$|| ||f q$|D ] }|| D ]\}}||fV  qzqnd S )Nglobalz:env:c                 S   s   i | ]
}|g qS r   r   )rE   rc   r   r   r   
<dictcomp>   s      zGConfigOptionParser._get_ordered_configuration_items.<locals>.<dictcomp>z7Ignoring configuration key '%s' as it's value is empty..r   )rc   re   itemsloggerdebugrJ   r!   )r   override_ordersection_itemssection_keyro   sectionrn   r   r   r    _get_ordered_configuration_items   s    z3ConfigOptionParser._get_ordered_configuration_itemsc              	      sH  t j_t } D ]\ }d  dkr>qjdkrzt|}W n, t	k
r   t
j |}| Y nX njdkr| } fdd|D }nhjdkr|j  }||}jpd}jpi }j||f|| n |}||j< q|D ] tj | < q&d_|S )	zUpdates the given defaults with values from the config files and
        the environ. Does a little special handling for certain types of
        options (lists).z--N)
store_truestore_falsecountr!   c                    s   g | ]}  |qS r   )rq   )rE   vrn   r   r   r   r   rI      s     z7ConfigOptionParser._update_defaults.<locals>.<listcomp>callbackr   )r   ValuesrS   valuessetr|   
get_optionactionr   
ValueErrorinvalid_config_error_messageerrorrJ   addr'   get_opt_stringconvert_valuecallback_argscallback_kwargsr   rq   getattr)r   rS   	late_evalro   	error_msgopt_strr   r   r   r   r   rR      s@    
  


z#ConfigOptionParser._update_defaultsc              
   C   s   | j st| jS z| j  W n2 tk
rR } z| tt	| W 5 d}~X Y nX | 
| j }|  D ]4}||j}t|trl| }|||||j< qlt|S )zOverriding to make updating the defaults after instantiation of
        the option parser possible, _update_defaults() does the dirty work.N)process_default_valuesr   r   rS   re   loadr   rm   r   strrR   copy_get_all_optionsgetr'   
isinstancer   r   ri   )r   errrS   r   defaultr   r   r   r   get_default_values   s    "
z%ConfigOptionParser.get_default_valuesc                 C   s"   |  tj | td| d S )Nz{}
)print_usagerl   stderrrm   r   r)   )r   r6   r   r   r   r      s    zConfigOptionParser.errorN)
rM   rN   rO   rP   r   rq   r|   rR   r   r   r   r   r   r   rb      s   	1rb   c                 C   s    | dkrd ||S d ||S )zQReturns a better error message when invalid configuration option
    is provided.)r}   r~   zo{0} is not a valid value for {1} option, please specify a boolean value like yes/no, true/false or 1/0 instead.z[{0} is not a valid value for {1} option, please specify a numerical value like 1/0 instead.)r)   )r   rn   ro   r   r   r   r      s      r   )rP   
__future__r   loggingr   rl   r3   distutils.utilr   pip._vendor.sixr   pip._internal.cli.status_codesr   pip._internal.configurationr   r   pip._internal.utils.compatr   	getLoggerrM   rv   r   r	   rQ   rg   rU   rb   r   r   r   r   r   <module>   s    
Pw