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fancy_getopt.cpython-36.pyc
3 \xE � @ s� d Z ddlZddlZddlZddlZddlT dZejde �Zejdeef �Z e j dd�Z G d d � d �Z d d � Zd d� ejD �Zdd� Zdd� ZG dd� d�Zedkr�dZx2d D ]*Zede � ed jeee��� e� q�W dS ) a6 distutils.fancy_getopt Wrapper around the standard getopt module that provides the following additional features: * short and long options are tied together * options have help strings, so fancy_getopt could potentially create a complete usage summary * options set attributes of a passed-in object � N)�*z[a-zA-Z](?:[a-zA-Z0-9-]*)z^%s$z ^(%s)=!(%s)$�-�_c @ s� e Zd ZdZd dd�Zdd� Zdd� Zd d d �Zd d � Zd d� Z dd� Z dd� Z dd� Z dd� Z d!dd�Zdd� Zd"dd �Zd#d d �ZdS )$� FancyGetopta� Wrapper around the standard 'getopt()' module that provides some handy extra functionality: * short and long options are tied together * options have help strings, and help text can be assembled from them * options set attributes of a passed-in object * boolean options can have "negative aliases" -- eg. if --quiet is the "negative alias" of --verbose, then "--quiet" on the command line sets 'verbose' to false Nc C sN || _ i | _| j r| j� i | _i | _g | _g | _i | _i | _i | _ g | _ d S )N) � option_table� option_index� _build_index�alias�negative_alias� short_opts� long_opts� short2long� attr_name� takes_arg� option_order)�selfr � r �./usr/lib64/python3.6/distutils/fancy_getopt.py�__init__) s zFancyGetopt.__init__c C s, | j j� x | jD ]}|| j |d < qW d S )Nr )r �clearr )r �optionr r r r Q s zFancyGetopt._build_indexc C s || _ | j� d S )N)r r )r r r r r �set_option_tableV s z FancyGetopt.set_option_tablec C s< || j krtd| ��n |||f}| jj|� || j |< d S )Nz'option conflict: already an option '%s')r �DistutilsGetoptErrorr �append)r � long_optionZ short_optionZ help_stringr r r r � add_optionZ s zFancyGetopt.add_optionc C s || j kS )zcReturn true if the option table for this parser has an option with long name 'long_option'.)r )r r r r r � has_optionc s zFancyGetopt.has_optionc C s |j t�S )z�Translate long option name 'long_option' to the form it has as an attribute of some object: ie., translate hyphens to underscores.)� translate� longopt_xlate)r r r r r � get_attr_nameh s zFancyGetopt.get_attr_namec C s` t |t�st�xL|j� D ]@\}}|| jkr<td|||f ��|| jkrtd|||f ��qW d S )Nz(invalid %s '%s': option '%s' not definedz0invalid %s '%s': aliased option '%s' not defined)� isinstance�dict�AssertionError�itemsr r )r �aliasesZwhatr �optr r r �_check_alias_dictn s z FancyGetopt._check_alias_dictc C s | j |d� || _dS )z'Set the aliases for this option parser.r N)r& r )r r r r r � set_aliasesx s zFancyGetopt.set_aliasesc C s | j |d� || _dS )z�Set the negative aliases for this option parser. 'negative_alias' should be a dictionary mapping option names to option names, both the key and value must already be defined in the option table.znegative aliasN)r& r )r r r r r �set_negative_aliases} s z FancyGetopt.set_negative_aliasesc C s� g | _ g | _| jj� i | _�x�| jD �]�}t|�dkrH|\}}}d}n(t|�dkrb|\}}}}ntd|f ��t|t � s�t|�dk r�t d| ��|dkp�t|t �o�t|�dks�t d | ��|| j|< | j j |� |d d k�r|r�|d }|dd� }d| j |< nF| j j|�}|dk �rB| j | �r8t d ||f ��|| j d< d| j |< | jj|�}|dk �r�| j | | j | k�r�t d ||f ��tj|��s�t d| ��| j|�| j|< |r&| jj |� || j|d < q&W dS )z�Populate the various data structures that keep tabs on the option table. Called by 'getopt()' before it can do anything worthwhile. � r � zinvalid option tuple: %r� z9invalid long option '%s': must be a string of length >= 2N� z:invalid short option '%s': must a single character or None�=�:z>invalid negative alias '%s': aliased option '%s' takes a valuezginvalid alias '%s': inconsistent with aliased option '%s' (one of them takes a value, the other doesn'tzEinvalid long option name '%s' (must be letters, numbers, hyphens only���r/ r/ )r r r r �repeatr �len� ValueErrorr �strr r r r �getr � longopt_re�matchr r )r r �long�short�helpr0 Zalias_tor r r �_grok_option_table� s^ z FancyGetopt._grok_option_tablec C s� |dkrt jdd� }|dkr*t� }d}nd}| j� dj| j�}ytj||| j�\}}W n, tjk r� } zt |��W Y dd}~X nX �x|D � ]�\}}t |�dkr�|d dkr�| j |d }n,t |�dkr�|dd� d ks�t �|dd� }| j j|�} | �r| }| j| �sB|d k�s"t d ��| jj|�} | �r>| }d}nd}| j| } |�rt| jj| �dk �rtt|| d�d }t|| |� | jj||f� q�W |�r�||fS |S dS ) a Parse command-line options in args. Store as attributes on object. If 'args' is None or not supplied, uses 'sys.argv[1:]'. If 'object' is None or not supplied, creates a new OptionDummy object, stores option values there, and returns a tuple (args, object). If 'object' is supplied, it is modified in place and 'getopt()' just returns 'args'; in both cases, the returned 'args' is a modified copy of the passed-in 'args' list, which is left untouched. Nr, TF� r+ r r z--� z boolean option can't have value)�sys�argv� OptionDummyr: �joinr �getoptr �errorZDistutilsArgErrorr1 r r" r r4 r r r r0 �getattr�setattrr r ) r �args�objectZcreated_objectr Zopts�msgr% �valr �attrr r r rA � sF zFancyGetopt.getoptc C s | j dkrtd��n| j S dS )z�Returns the list of (option, value) tuples processed by the previous run of 'getopt()'. Raises RuntimeError if 'getopt()' hasn't been called yet. Nz!'getopt()' hasn't been called yet)r � RuntimeError)r r r r �get_option_order s z FancyGetopt.get_option_orderc C sx d}xV| j D ]L}|d }|d }t|�}|d dkr<|d }|dk rL|d }||kr |}q W |d d d }d}|| } d| } |r�|g} nd g} x�| j D ]�}|dd � \}}} t| | �} |d dkr�|dd� }|dk�r| � r�| jd ||| d f � n| jd ||f � n:d ||f }| �r<| jd ||| d f � n| jd| � x$| dd� D ]}| j| | � �qXW q�W | S )z�Generate help text (a list of strings, one per suggested line of output) from the option table for this FancyGetopt object. r r, r- N� r+ �N r; zOption summary:r) z --%-*s %sz --%-*s z%s (-%s)z --%-*sr/ r/ r/ )r r1 � wrap_textr )r �headerZmax_optr r7 r8 �lZ opt_widthZ line_widthZ text_widthZ big_indent�linesr9 �textZ opt_namesr r r � generate_help sF zFancyGetopt.generate_helpc C s4 |d krt j}x | j|�D ]}|j|d � qW d S )N� )r= �stdoutrS �write)r rO �file�liner r r � print_helph s zFancyGetopt.print_help)N)NN)NN)N)NN)�__name__� __module__� __qualname__�__doc__r r r r r r r& r' r( r: rA rK rS rY r r r r r s ( M = Or c C s t | �}|j|� |j||�S )N)r r( rA )�optionsZ negative_optrF rE �parserr r r � fancy_getopto s r` c C s i | ]}d t |��qS )r; )�ord)�.0Z_wscharr r r � <dictcomp>u s rc c C s" | dkr g S t | �|kr | gS | j� } | jt�} tjd| �}dd� |D �}g }x�|�r g }d}xZ|r�t |d �}|| |kr�|j|d � |d= || }q`|r�|d d dkr�|d = P q`W |�r |dkr�|j|d d|� � |d |d� |d< |d d dk�r |d= |jdj|�� qPW |S ) z�wrap_text(text : string, width : int) -> [string] Split 'text' into multiple lines of no more than 'width' characters each, and return the list of strings that results. Nz( +|-+)c S s g | ] }|r|�qS r r )rb Zchr r r � <listcomp>� s z wrap_text.<locals>.<listcomp>r r, r; r< r/ r/ )r1 � expandtabsr �WS_TRANS�re�splitr r@ )rR �widthZchunksrQ Zcur_lineZcur_lenrP r r r rN w s: rN c C s | j t�S )zXConvert a long option name to a valid Python identifier by changing "-" to "_". )r r )r% r r r �translate_longopt� s rj c @ s e Zd ZdZg fdd�ZdS )r? z_Dummy class just used as a place to hold command-line option values as instance attributes.c C s x|D ]}t | |d� qW dS )zkCreate a new OptionDummy instance. The attributes listed in 'options' will be initialized to None.N)rD )r r^ r% r r r r � s zOptionDummy.__init__N)rZ r[ r\ r] r r r r r r? � s r? �__main__z�Tra-la-la, supercalifragilisticexpialidocious. How *do* you spell that odd word, anyways? (Someone ask Mary -- she'll know [or she'll say, "How should I know?"].)� � � �( z width: %drT )rl rm rn ro )r] r= �stringrg rA Zdistutils.errorsZ longopt_pat�compiler5 Z neg_alias_rer3 � maketransr r r` Z whitespacerf rN rj r? rZ rR �w�printr@ r r r r �<module> s* T6
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