U
    @vg%                     @   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-gw11q0wt/pip/_internal/cli/parser.pyr      s    zPrettyHelpFormatter.__init__c                 C   s   |  |ddS )N <%s>, )_format_option_stringsr   optionr   r   r   format_option_strings!   s    z)PrettyHelpFormatter.format_option_stringsr   r   c                 C   s|   g }|j r||j d  |jr0||jd  t|dkrH|d| | rr|jp^|j }|||   d	|S )a  
        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 - evaluated as mvarfmt % metavar
        :param optsep:  separator
        r   r    )
_short_optsappend
_long_optsleninserttakes_valuemetavardestlower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: %s
  )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||f }|S dS d S )NmainCommandsDescription
r/   z%s:
%s
r   )hasattrparserlstriprstripr0   r1   r2   )r   descriptionlabelr   r   r   format_descriptionH   s    
z&PrettyHelpFormatter.format_descriptionc                 C   s   |r|S dS d S )Nr   r   )r   epilogr   r   r   format_epilogZ   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>b   s     z4PrettyHelpFormatter.indent_lines.<locals>.<listcomp>r9   )splitr(   )r   textrF   	new_linesr   rE   r   r0   a   s    z PrettyHelpFormatter.indent_linesN)r   r   )__name__
__module____qualname____doc__r   r   r   r.   r5   r@   rB   r0   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 )N)r;   _update_defaultsdefaultsr   r   expand_defaultr   r   r   r   rR   m   s    
z,UpdatingDefaultsHelpFormatter.expand_defaultN)rK   rL   rM   rN   rR   r   r   r   r   rO   f   s   rO   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_groupu   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_listrU   extend)r   resir   r   r   option_list_all~   s    
z"CustomOptionParser.option_list_allN)rK   rL   rM   rY   propertyr^   r   r   r   r   rS   s   s   	rS   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)rV   ra   r   configAssertionErrorr   OptionParserr   )r   r   r   rb   r   r   r   r      s
    

zConfigOptionParser.__init__c              
   C   sN   z| ||W S  tjk
rH } ztd|  td W 5 d }~X Y nX d S )Nz*An error occurred during configuration: %s   )check_valuer   OptionValueErrorprint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   )rC   ra   r   r   r   
<dictcomp>   s      zGConfigOptionParser._get_ordered_configuration_items.<locals>.<dictcomp>z7Ignoring configuration key '%s' as it's value is empty..r   )ra   rc   itemsloggerdebugrH   r    )r   override_ordersection_itemssection_keyrm   sectionrl   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   )ro   )rC   vrl   r   r   r   r   rG      s     z7ConfigOptionParser._update_defaults.<locals>.<listcomp>callbackr   )r   ValuesrQ   valuessetrz   
get_optionactionr   
ValueErrorinvalid_config_error_messageerrorrH   addr&   get_opt_stringconvert_valuecallback_argscallback_kwargsr   ro   getattr)r   rQ   	late_evalrm   	error_msgopt_strr   r   r   r   r   rP      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   rQ   rc   loadr   rk   r   strrP   copy_get_all_optionsgetr&   
isinstancer   r   rg   )r   errrQ   r   defaultr   r   r   r   get_default_values   s    "
z%ConfigOptionParser.get_default_valuesc                 C   s    |  tj | td|  d S )Nz%s
)print_usagerj   stderrrk   r   )r   r4   r   r   r   r      s    zConfigOptionParser.errorN)
rK   rL   rM   rN   r   ro   rz   rP   r   r   r   r   r   r   r`      s   	1r`   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.)format)r   rl   rm   r   r   r   r      s      r   )rN   
__future__r   loggingr   rj   r1   distutils.utilr   Zpip._vendor.sixr   pip._internal.cli.status_codesr   pip._internal.configurationr   r   pip._internal.utils.compatr   	getLoggerrK   rt   r   r	   rO   re   rS   r`   r   r   r   r   r   <module>   s    
Ow