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�Zejd�Zejdej �Z ejdej ej B �Z ejdej ej B �Z!e d�Z"e d�Z#e d�Z$e d�Z%e d�Z&e d�Z'e d�Z(e d�Z)e d�Z*e d�Z+e d �Z,e d �Z-e d �Z.e d �Z/e d �Z0e d!�Z1e d"�Z2e d#�Z3e d$�Z4e d%�Z5e d&�Z6e d'�Z7e d(�Z8e d)�Z9e d*�Z:e d+�Z;e d,�Z<e d-�Z=e d.�Z>e d/�Z?e d0�Z@e d1�ZAe d2�ZBe d3�ZCe d4�ZDe d5�ZEe d6�ZFe d7�ZGe d8�ZHe d9�ZIe d:�ZJe d;�ZKe d<�ZLe d=�ZMe d>�ZNe d?�ZOe d@�ZPe dA�ZQe dB�ZRe"e:e&e)e2e1e5e;e-e7e.e8e,e6e(e3e*e+e/e0e#e'e$e4e%e9dC�ZSdDdE� eSjT� D �ZUeVeS�eVeU�k�s�tWdF��ejdGdHjXdIdJ� eYeSdKdL� dM�D ��� dN��ZZe[eHeJeIe<eMeNeOg�Z\e[e<ePeJeOg�Z]e^e^dO�dPdQ�Z_dRe^dS�dTdU�Z`e^e^dV�dWdX�Zae^ebdY�dZd[�Zcd\ejdeje^e^f d]�d^d_�ZeG d`da� da�ZfG dbdR� dRejg�ZhG dcdd� dd�ZiG dedf� df�Zjd\d d]�dgdh�ZkG didj� djel�ZmG dkdl� dlejg�ZnG dmd � d �ZodS )nz�Implements a Jinja / Python combination lexer. The ``Lexer`` class
is used to do some preprocessing. It filters out invalid operators like
the bitshift operators we don't allow in templates. It separates
template code and python code in expressions.
� N)� literal_eval)�deque)�intern� )�pattern)�TemplateSyntaxError)�LRUCache)� Environment�2 �Lexerz\s+z (\r\n|\r|\n)z7('([^'\\]*(?:\\.[^'\\]*)*)'|"([^"\\]*(?:\\.[^"\\]*)*)")z�
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0o(_?[0-7])+ # octal
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0(_?0)* # decimal zero
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(?<!\.) # doesn't start with a .
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token_type�returnc C sL | t krt | S tdtdtdtdtdtdtdtdt dt
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newline_re�findall)r[ r9 r9 r= �count_newlines� s rb r )� environmentrG c C s� t j}t| j�t|| j�ft| j�t|| j�ft| j�t|| j�fg}| j dk rp|j
t| j �t d|| j � f� | j dk r�|j
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d|| j � f� dd� t|dd�D �S )zACompiles all the rules from the environment into a list of rules.Nz ^[ \t\v]*z(?:^|(?<=\S))[^\S\r\n]*c S s g | ]}|d d� �qS )r Nr9 )r: rA r9 r9 r= �
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compile_rules� s*
rp c @ s> e Zd ZdZefeeje dd�dd�Ze edd�dd �Z
dS )
�FailurezjClass that raises a `TemplateSyntaxError` if called.
Used by the `Lexer` to specify known errors.
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S ) rW )rG c C s t | �S )N)r\ )ru r9 r9 r= �__str__ s z
Token.__str__)r] rG c C s2 | j |krdS d|kr.|jdd�| j | jgkS dS )z�Test a token against a token expression. This can either be a
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Token.test)�iterablerG c s t � fdd�|D ��S )z(Test against multiple token expressions.c 3 s | ]}� j |�V qd S )N)r� )r: r] )ru r9 r= rB $ s z!Token.test_any.<locals>.<genexpr>)�any)ru r� r9 )ru r= �test_any" s zToken.test_anyN) rz r{ r| r� rw r~ rY r[ r� �boolr� r� r9 r9 r9 r= rW s
c @ s< e Zd ZdZddd�dd�Zd d�dd �Zed�d
d �ZdS ) �TokenStreamIteratorz`The iterator for tokenstreams. Iterate over the stream
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|| _ d S )N)r� )ru r� r9 r9 r= rv , s z TokenStreamIterator.__init__)rG c C s | S )Nr9 )ru r9 r9 r= �__iter__/ s z TokenStreamIterator.__iter__c C s. | j j}|jtkr | j j� t�t| j � |S )N)r� �currentrY rT �close�
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z TokenStreamIterator.__next__)rz r{ r| r} rv r� rW r� r9 r9 r9 r= r� ' s r� c @ s� e Zd ZdZeje eje eje d�dd�Z e
d�dd�Z e d�dd �Z
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�dd�Zed�dd�Zd!ed d�dd�Zeeje d�dd�Zee d�dd�Zed�dd �Zd d�d d �Zeed�d d �Zd S )"r� z�A token stream is an iterable that yields :class:`Token`\s. The
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one token ahead. The current active token is stored as :attr:`current`.
)� generatorr rx c C s> t |�| _t� | _|| _|| _d| _tdtd�| _ t
| � d S )NFr � ) �iter�_iterr �_pushedr rx �closedrW �
TOKEN_INITIALr� r� )ru r� r rx r9 r9 r= rv C s
zTokenStream.__init__)rG c C s t | �S )N)r� )ru r9 r9 r= r� Q s zTokenStream.__iter__c C s t | j�p| jjtk S )N)r� r� r� rY rT )ru r9 r9 r= �__bool__T s zTokenStream.__bool__c C s | S )z Are we at the end of the stream?r9 )ru r9 r9 r= �eosW s zTokenStream.eosN)rX rG c C s | j j|� dS )z Push a token back to the stream.N)r� rj )ru rX r9 r9 r= �push\ s zTokenStream.pushc C s" t | �}| j}| j|� || _|S )zLook at the next token.)r� r� r� )ru Z old_token�resultr9 r9 r= �look` s
zTokenStream.lookr )�nrG c C s xt |�D ] }t| � q
W dS )zGot n tokens ahead.N)�ranger� )ru r� �_r9 r9 r= �skiph s zTokenStream.skip)r] rG c C s | j j|�rt| �S dS )zqPerform the token test and return the token if it matched.
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rR | j� Y nX |S )z|Go one token ahead and return the old one.
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zTokenStream.closec C sn | j j|�sft|�}| j jtkr>td|�d�| j j| j| j��td|�dt | j ���| j j| j| j��t
| �S )z}Expect a given token type and return it. This accepts the same
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zTokenStream.expect)r )rz r{ r| r} r �IterablerW �Optionalr~ rv r� r� r� r� �propertyr� r� r� r� r� r� r� r� r� r� r9 r9 r9 r= r� = s
r� c C sZ | j | j| j| j| j| j| j| j| j| j | j
| j f }t j
|�}|dkrVt| � t |< }|S )z(Return a lexer which is probably cached.N)rg �block_end_stringrh �variable_end_stringrf �comment_end_stringri rk � trim_blocks�
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Class that implements a lexer for a given environment. Automatically
created by the environment class, usually you don't have to do that.
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r N)rc rG c
C s0 t j}ttjt d�dd�}tttd �ttt d �tt
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d �tttd �tttd �g}t|�}||j�}||j�}||j�}||j�} |jr�dnd}
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�t t t(�d�t|d�t"d �fd �gt)t|d �t*d�g| t+t|d �t,t-fd�gi| _.d S ) N)rA rG c S s t j| t jt jB �S )N)r? �compile�M�S)rA r9 r9 r= �c� s zLexer.__init__.<locals>.cz\n?r� z[^ \t]z(?P<raw_begin>z(\-|\+|)\s*raw\s*(?:\-z\s*|z))r6 c S s" g | ]\}}d |� d|� d��qS )z(?P<r1 z (\-|\+|))r9 )r: r� �rr9 r9 r= rd
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whitespace_re�TOKEN_WHITESPACE�float_re� TOKEN_FLOAT�
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ru rc rn r� Z tag_rulesZroot_tag_rulesZblock_start_reZ block_end_reZcomment_end_reZvariable_end_reZblock_suffix_reZ root_raw_reZ
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"zLexer.__init__)r[ rG c C s t j| j|�S )z`Replace all newlines with the configured sequence in strings
and template data.
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c sz �xr|D �]h\}}}|t kr q|}|tkr2t}�n2|tkrBt}�n"|ttfkrTq�n|tkrj| j|�}� n�|dkrx|}n�|t kr�|}|j
� s�t d|||��n�|t k�ry$| j|dd � �j
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�r } z,t|�jd�d
j� } t | |||�|�W Y dd}~X nX nL|tk�r6t|jd d
�d �}n.|tk�rRt|jd d
��}n|tk�rdt| }t|||�V qW dS )z�This is called with the stream as returned by `tokenize` and wraps
every token in a :class:`Token` and converts the value.
�keywordz Invalid character in identifierr �ascii�backslashreplacezunicode-escaper5 Nr� r� r ���r� )�ignored_tokensrQ rM rR rN r� r� rS r� rZ � isidentifierr r� �encode�decode� Exceptionr~ r^ �stripr� r� �replacer� r r� � operatorsrW )
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�q�W n�|j � } |t k�r:| dk�r�| jd� n�| dk�r�| jd� nj| dk�r�| jd� nT| d%k�r:| �s t!d| � d�|||��| j"� } | | k�r:t!d| � d| � d�|||��| �sJ|t k�rV||| fV || jd�7 }|j � d&d� dk}|j#� } |dk �r|d k�r�|j"� nV|dk�r�xJ|j� j � D ] \}}|dk �r�|j|� P �q�W t |�d ���n
|j|� | j|d' } n| |k�r t |�d ���| }P q�W ||
k�r4dS t!d || �d |� �|||��q�W dS )(a This method tokenizes the text and returns the tokens in a
generator. Use this method if you just want to tokenize a template.
.. versionchanged:: 3.0
Only ``\n``, ``\r\n`` and ``\r`` are treated as line
breaks.
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IGNORECASE�VERBOSEr� r� Z TOKEN_ADDZ TOKEN_ASSIGNZ TOKEN_COLONZ TOKEN_COMMAZ TOKEN_DIVZ TOKEN_DOTZTOKEN_EQZTOKEN_FLOORDIVZTOKEN_GTZ
TOKEN_GTEQZ TOKEN_LBRACEZTOKEN_LBRACKETZ TOKEN_LPARENZTOKEN_LTZ
TOKEN_LTEQZ TOKEN_MODZ TOKEN_MULZTOKEN_NEZ
TOKEN_PIPEZ TOKEN_POWZ TOKEN_RBRACEZTOKEN_RBRACKETZ TOKEN_RPARENZTOKEN_SEMICOLONZ TOKEN_SUBZ TOKEN_TILDEr� r� r� rZ r� r� rM rN rO rP r� r� rI rJ rK rQ rR rl r� rL rS r� rT r� r� rH rC r� r� rm r� � frozensetr� r� r~ rV r\ r_ r� rb ZListrp rq Z
NamedTuplerW r� r� r� r� r� r� r r9 r9 r9 r= �<module> s�
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