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shorthand.cpython-310.pyc
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o @&�atD � @ s� d Z ddlZddlZddlmZ e� ZG dd� de�ZG dd� de�Z G dd � d e �Z G d d � d e �Z G d d � d e�Z G dd� de�Z G dd� de�ZG dd� de�ZdS )a� Module for parsing shorthand syntax. This module parses any CLI options that use a "shorthand" syntax:: --foo A=b,C=d |------| | Shorthand syntax This module provides two main classes to do this. First, there's a ``ShorthandParser`` class. This class works on a purely syntactic level. It looks only at the string value provided to it in order to figure out how the string should be parsed. However, because there was a pre-existing shorthand parser, we need to remain backwards compatible with the previous parser. One of the things the previous parser did was use the associated JSON model to control how the expression was parsed. In order to accommodate this a post processing class is provided that takes the parsed values from the ``ShorthandParser`` as well as the corresponding JSON model for the CLI argument and makes any adjustments necessary to maintain backwards compatibility. This is done in the ``BackCompatVisitor`` class. � N)�is_document_typec @ s e Zd Zdd� Zdd� ZdS )� _NamedRegexc C s || _ t�|tj�| _d S �N)�name�re�compile�UNICODE�regex)�selfr � regex_str� r �2/usr/lib/python3/dist-packages/awscli/shorthand.py�__init__3 s z_NamedRegex.__init__c C s | j �|�S r )r �match�r �valuer r r r 7 s z_NamedRegex.matchN)�__name__� __module__� __qualname__r r r r r r r 2 s r c @ s e Zd Zdd� ZdS )�ShorthandParseErrorc C s� | j d| j}}}d| j d | j� v r&| j d | j� �d�}| j| d }d| j | jd � v rL| j| j | jd � �d� }| j d |� }| j |d � }d|d| d |f S )N� � � z%s %s%s� �^)r �index�rindex)r �consumed� remaining� num_spaces� last_newline� next_newliner r r �_error_location= s z#ShorthandParseError._error_locationN)r r r r" r r r r r ; s r c �$ e Zd Z� fdd�Zdd� Z� ZS )�ShorthandParseSyntaxErrorc s4 || _ || _|| _|| _| �� }tt| ��|� d S r )r �expected�actualr �_construct_msg�superr$ r )r r r% r& r �msg�� __class__r r r U s z"ShorthandParseSyntaxError.__init__c C s d| j | j| �� f }|S )Nz,Expected: '%s', received: '%s' for input: %s)r% r& r" �r r) r r r r' ] s �z(ShorthandParseSyntaxError._construct_msg�r r r r r' � __classcell__r r r* r r$ T s r$ c r# )�DuplicateKeyInObjectErrorc s. || _ || _|| _| �� }tt| ��|� d S r )�keyr r r' r( r/ r )r r0 r r r) r* r r r f s z"DuplicateKeyInObjectError.__init__c C s d| j | �� f }|S )NzxSecond instance of key "%s" encountered for input: %s This is often because there is a preceding "," instead of a space.)r0 r" r, r r r r' m s �z(DuplicateKeyInObjectError._construct_msgr- r r r* r r/ e s r/ c @ s e Zd ZdS )� DocumentTypesNotSupportedErrorN)r r r r r r r r1 v s r1 c @ s e Zd ZdZedd�Zedd�ZdZdZdZ d Z ed d j e eed ��Z ed d j e ee d ��Z dd� Zdd� Zdd� Zdd� Zdd� Zdd� Zdd� Zd d � Zd d � Zd d!� Zd"d#� Zd$d%� Zd&d'� Zd>d)d*�Zd+d,� Z d-d.� Z d?d0d1�Z d2d3� Z d4d5� Z d6d7� Z!d8d9� Z"d:d;� Z#d<d=� Z$d(S )@�ShorthandParserz�Parses shorthand syntax in the CLI. Note that this parser does not rely on any JSON models to control how to parse the shorthand syntax. zsingled quotedz\'(?:\\\\|\\\'|[^\'])*\'z double quotedz"(?:\\\\|\\"|[^"])*"u \!\#-&\(-\+\--\<\>-Z\\-z|-u \s\!\#-&\(-\+\--\\\^-\|~-u \s\!\#-&\(-\+\--\<\>-z(\\,)�firstzC({escaped_comma}|[{start_word}])({escaped_comma}|[{follow_chars}])*)� escaped_comma� start_word� follow_chars�secondc C s g | _ d S r )�_tokens�r r r r r � s zShorthandParser.__init__c C s || _ d| _| �� S )aS Parse shorthand syntax. For example:: parser = ShorthandParser() parser.parse('a=b') # {'a': 'b'} parser.parse('a=b,c') # {'a': ['b', 'c']} :type value: str :param value: Any value that needs to be parsed. :return: Parsed value, which will be a dictionary. r )� _input_value�_index� _parameterr r r r �parse� s zShorthandParser.parsec C s� i }| � � \}}|||< | j}| jt| j�k r@| jddd� | � � \}}||v r1t|| j|d ��|||< | j}| jt| j�k s|S �N�,T��consume_whitespacer )�_keyvalr; �lenr: �_expectr/ )r �paramsr0 �val� last_indexr r r r< � s �� zShorthandParser._parameterc C s& | � � }| jddd� | �� }||fS )N�=Tr@ )�_keyrD �_values)r r0 �valuesr r r rB � s zShorthandParser._keyvalc C sR t jt j d }| j}| �� s!| �� |vrn | jd7 _| �� r| j|| j� S )Nz-_.#/:r )�string� ascii_letters�digitsr; �_at_eof�_currentr: )r � valid_chars�startr r r rI � s �zShorthandParser._keyc C s< | � � rdS | �� dkr| �� S | �� dkr| �� S | �� S )Nr �[�{)rO rP �_explicit_list� _hash_literal� _csv_valuer9 r r r rJ � s zShorthandParser._valuesc C s� | � � }| �� | �� s| j| j dkr|S | jddd� |g} z!| �� }| �� | �� r5|�|� W n"| jddd� |�|� W n tyU | �� rN� | � d� Y nw q!t |�dkr_|S |S r> ) � _first_value�_consume_whitespacerO r: r; rD � _second_value�appendr$ � _backtrack_torC )r � first_value�csv_list�currentr r r rW � s2 �� zShorthandParser._csv_valuec C s> | j �| j| jd � �}|d ur | �|�}|�dd��� S dS )N�\,r? r )� _FIRST_VALUEr r: r; �_consume_matched_regex�replace�rstrip)r �resultr r r r �_value s zShorthandParser._valuec C sp | j ddd� g }| �� dkr1| �� }|�|� | �� | �� dkr+| � d� | �� | �� dks| � d� |S )NrS Tr@ �]r? )rD rP �_explicit_valuesr[ rY )r rK rF r r r rU s � z ShorthandParser._explicit_listc C �0 | � � dkr | �� S | � � dkr| �� S | �� S )NrS rT )rP rU rV rX r9 r r r rh " s z ShorthandParser._explicit_valuesc C s� | j ddd� i }| �� dkr;| �� }| j ddd� | �� }| �� | �� dkr1| � d� | �� |||< | �� dks| � d� |S )NrT Tr@ �}rH r? )rD rP rI rh rY )r �keyvalsr0 �vr r r rV + s � z ShorthandParser._hash_literalc C ri )N�'�")rP �_single_quoted_value�_double_quoted_valuerf r9 r r r rX : s z ShorthandParser._first_valuec C � | j | jdd�S )Nrm �� escaped_char)�_consume_quoted�_SINGLE_QUOTEDr9 r r r ro B s z$ShorthandParser._single_quoted_valueNc C s: | � |�dd� }|d ur|�d| |�}|�dd�}|S )Nr ���z\%sz\\�\)�_must_consume_regexrc )r r rs r r r r rt H s z ShorthandParser._consume_quotedc C rq )Nrn rr )rt �_DOUBLE_QUOTEDr9 r r r rp O � z$ShorthandParser._double_quoted_valuec C sD | � � dkr | �� S | � � dkr| �� S | �| j�}|�dd��� S )Nrm rn r` r? )rP ro rp rx � _SECOND_VALUErc rd )r r r r r rZ R s z ShorthandParser._second_valueFc C sv |r| � � | jt| j�krt| j|d| j��| j| j }||kr*t| j||| j��| jd7 _|r9| � � d S d S )N�EOFr )rY r; rC r: r$ )r �charrA r& r r r rD [ s � � �zShorthandParser._expectc C s@ |� | j| jd � �}|d ur| �|�S t| jd|j d| j��)Nz<%s>z<none>)r r: r; rb r$ r )r r re r r r rx i s �z#ShorthandParser._must_consume_regexc C s< |� � \}}| j| j| | j| � }| j|| 7 _|S r )�spanr: r; )r re rR �endrl r r r rb p s z&ShorthandParser._consume_matched_regexc C s | j t| j�k r| j| j S tS r )r; rC r: �_EOFr9 r r r rP v s zShorthandParser._currentc C s | j t| j�kS r )r; rC r: r9 r r r rO } rz zShorthandParser._at_eofc C sR | j dkr#| j| j |kr'| j d8 _ | j dkr%| j| j |ks d S d S d S d S )Nr r )r; r: )r r} r r r r\ � � *�z ShorthandParser._backtrack_toc C sR | � � tkr#| � � tjv r'| jd7 _| � � tkr%| � � tjv s d S d S d S d S )Nr )rP r� rL � whitespacer; r9 r r r rY � r� z#ShorthandParser._consume_whitespacer )F)%r r r �__doc__r ru ry � _START_WORD�_FIRST_FOLLOW_CHARS�_SECOND_FOLLOW_CHARS�_ESCAPED_COMMA�formatra r{ r r= r< rB rI rJ rW rf rU rh rV rX ro rt rp rZ rD rx rb rP rO r\ rY r r r r r2 z sb ���� 0 r2 c @ s< e Zd Zdd� Zdd� Zdd� Zdd� Zd d � Zd d � Zd S )� ModelVisitorc C s | � i |d|� d S )Nr )�_visit)r rE �modelr r r �visit� s zModelVisitor.visitc C s& t | d|j | j�}|||||� d S )Nz _visit_%s)�getattr� type_name� _visit_scalar)r �parent�shaper r �methodr r r r� � s �zModelVisitor._visitc C s< t |t�sd S |j�� D ]\}}| �||||�|�� q d S r )� isinstance�dict�members�itemsr� �get�r r� r� r r � member_name� member_shaper r r �_visit_structure� s ��z ModelVisitor._visit_structurec C s6 t |t�sd S t|�D ] \}}| �||j||� q d S r )r� �list� enumerater� �member)r r� r� r r �i�elementr r r � _visit_list� s �zModelVisitor._visit_listc C s: t |t�sd S |j}|�� D ] \}}| �||||� qd S r )r� r� r r� r� )r r� r� r r � value_shape�krl r r r � _visit_map� s �zModelVisitor._visit_mapc C s d S r r �r r� r� r r r r r r� � s zModelVisitor._visit_scalarN) r r r r� r� r� r� r� r� r r r r r� � s r� c s4 e Zd Zdd� Z� fdd�Zdd� Zdd� Z� ZS ) �BackCompatVisitorc C sf | � ||� t|t�s d S |j�� D ] \}}z | �||||�|�� W q ty0 td| ��w d S )NzwShorthand syntax does not support document types. Use JSON input for top-level argument to specify nested parameter: %s) � _raise_if_document_type_foundr� r� r� r� r� r� r1 r r� r r r r� � s � ����z"BackCompatVisitor._visit_structurec s: t |t�s|d ur|g||< d S d S tt| ��||||�S r )r� r� r( r� r� r� r* r r r� � s � �z BackCompatVisitor._visit_listc C s� |d u rd S |j }|dv rt|�||< d S |dv r!t|�||< d S |dkr=|�� dkr1d||< d S |�� dkr?d||< d S d S d S )N)�integer�long)�double�float�boolean�trueT�falseF)r� �intr� �lower)r r� r� r r r� r r r r� � s �z BackCompatVisitor._visit_scalarc C s |d ur t |�r t� �d S d S r )r r1 )r r r� r r r r� � s �z/BackCompatVisitor._raise_if_document_type_found)r r r r� r� r� r� r. r r r* r r� � s r� )r� r rL � awscli.utilsr �objectr� r � Exceptionr r$ r/ r1 r2 r� r� r r r r �<module> s !