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� ��L]c @ s d Z d d l Z d d l m Z d d l m Z d d l m Z m Z m Z m Z m Z m Z e e f Z i e j d 6e j d 6e j d 6e j d 6e j d 6e j d 6e j d 6Z i e j d 6e j d 6e j d 6Z i e j d 6e j d 6e j d 6e j d 6e j d 6e j d 6d � d 6d � d 6Z d e! f d � � YZ" d e# f d � � YZ$ d e% f d � � YZ& d � Z' d e e$ e% � f d � � YZ( d! e( f d" � � YZ) d# e( f d$ � � YZ* d% e( f d& � � YZ+ d' e) f d( � � YZ, d) e) f d* � � YZ- d+ e) f d, � � YZ. d- e) f d. � � YZ/ d/ e) f d0 � � YZ0 d1 e) f d2 � � YZ1 d3 e) f d4 � � YZ2 d5 e) f d6 � � YZ3 d7 e) f d8 � � YZ4 d9 e) f d: � � YZ5 d; e) f d< � � YZ6 d= e) f d> � � YZ7 d? e) f d@ � � YZ8 dA e( f dB � � YZ9 dC e9 f dD � � YZ: dE e9 f dF � � YZ; dG e9 f dH � � YZ< dI e9 f dJ � � YZ= dK e= f dL � � YZ> dM e= f dN � � YZ? dO e= f dP � � YZ@ dQ e= f dR � � YZA dS e= f dT � � YZB dU e* f dV � � YZC dW e* f dX � � YZD dY e9 f dZ � � YZE d[ e9 f d\ � � YZF d] e9 f d^ � � YZG d_ e9 f d` � � YZH da e9 f db � � YZI dc e9 f dd � � YZJ de e9 f df � � YZK dg e9 f dh � � YZL di e9 f dj � � YZM dk e* f dl � � YZN dm e: f dn � � YZO do e: f dp � � YZP dq e: f dr � � YZQ ds e: f dt � � YZR du e: f dv � � YZS dw e: f dx � � YZT dy e: f dz � � YZU d{ e: f d| � � YZV d} e: f d~ � � YZW d e; f d� � � YZX d� e; f d� � � YZY d� e; f d� � � YZZ d� e9 f d� � � YZ[ d� e9 f d� � � YZ\ d� e9 f d� � � YZ] d� e9 f d� � � YZ^ d� e9 f d� � � YZ_ d� e9 f d� � � YZ` d� e9 f d� � � YZa d� e) f d� � � YZb d� e) f d� � � YZc d� e) f d� � � YZd d� e) f d� � � YZe d� ee f d� � � YZf d� � Zg eh eg � e$ _i [g d S(� s} jinja2.nodes ~~~~~~~~~~~~ This module implements additional nodes derived from the ast base node. It also provides some node tree helper functions like `in_lineno` and `get_nodes` used by the parser and translator in order to normalize python and jinja nodes. :copyright: (c) 2010 by the Jinja Team. :license: BSD, see LICENSE for more details. i����N( t deque( t Markup( t nextt izipt with_metaclasst text_typet method_typet function_typet *t /s //s **t %t +t -t nott eqt net gtt gteqt ltt lteqc C s | | k S( N( ( t at b( ( s0 /usr/lib/python2.7/site-packages/jinja2/nodes.pyt <lambda>2 s t inc C s | | k S( N( ( R R ( ( s0 /usr/lib/python2.7/site-packages/jinja2/nodes.pyR 3 s t notint Impossiblec B s e Z d Z RS( s8 Raised if the node could not perform a requested action.( t __name__t __module__t __doc__( ( ( s0 /usr/lib/python2.7/site-packages/jinja2/nodes.pyR 7 s t NodeTypec B s e Z d Z d � Z RS( s� A metaclass for nodes that handles the field and attribute inheritance. fields and attributes from the parent class are automatically forwarded to the child.c C s� xZ d D]R } g } | j t | d | d � � | j | j | d � � t | � | | <q W| j d t � t j | | | | � S( Nt fieldst attributesi t abstract( s fieldss attributes( ( ( t extendt getattrt gett tuplet setdefaultt Falset typet __new__( t clst namet basest dt attrt storage( ( s0 /usr/lib/python2.7/site-packages/jinja2/nodes.pyR( @ s ( R R R R( ( ( ( s0 /usr/lib/python2.7/site-packages/jinja2/nodes.pyR ; s t EvalContextc B s, e Z d Z d d � Z d � Z d � Z RS( sc Holds evaluation time information. Custom attributes can be attached to it in extensions. c C sF | | _ t | j � r- | j | � | _ n | j | _ t | _ d S( N( t environmentt callablet autoescapeR& t volatile( t selfR0 t template_name( ( s0 /usr/lib/python2.7/site-packages/jinja2/nodes.pyt __init__Q s c C s | j j � S( N( t __dict__t copy( R4 ( ( s0 /usr/lib/python2.7/site-packages/jinja2/nodes.pyt saveY s c C s! | j j � | j j | � d S( N( R7 t cleart update( R4 t old( ( s0 /usr/lib/python2.7/site-packages/jinja2/nodes.pyt revert\ s N( R R R t NoneR6 R9 R= ( ( ( s0 /usr/lib/python2.7/site-packages/jinja2/nodes.pyR/ L s c C s; | d k r7 | j d k r* t d � � n t | j � S| S( NsI if no eval context is passed, the node must have an attached environment.( R> R0 t RuntimeErrorR/ ( t nodet ctx( ( s0 /usr/lib/python2.7/site-packages/jinja2/nodes.pyt get_eval_contexta s t Nodec B s� e Z d Z d Z d Z e Z d � Z d d d � Z d d d � Z d � Z d � Z d � Z e d � Z d � Z d � Z d � Z e j Z d � Z RS( s� Baseclass for all Jinja2 nodes. There are a number of nodes available of different types. There are four major types: - :class:`Stmt`: statements - :class:`Expr`: expressions - :class:`Helper`: helper nodes - :class:`Template`: the outermost wrapper node All nodes have fields and attributes. Fields may be other nodes, lists, or arbitrary values. Fields are passed to the constructor as regular positional arguments, attributes as keyword arguments. Each node has two attributes: `lineno` (the line number of the node) and `environment`. The `environment` attribute is set at the end of the parsing process for all nodes automatically. t linenoR0 c O s0 | j r t d � � n | r� t | � t | j � k r� | j s[ t d | j j � � n t d | j j t | j � t | j � d k r� d p� d f � � n x3 t | j | � D] \ } } t | | | � q� Wn x- | j D]" } t | | | j | d � � q� W| r,t d t t | � � � � n d S( Ns# abstract nodes are not instanciables %r takes 0 argumentss %r takes 0 or %d argument%si t st s unknown attribute %r( R t TypeErrort lenR t __class__R R t setattrR t popR> R t iter( R4 R R R* t argR- ( ( s0 /usr/lib/python2.7/site-packages/jinja2/nodes.pyR6 s$ + c c s� x� | j D]� } | | k o' d k n s\ | d k rD | | k s\ | d k r | | k r y | t | | � f VWq� t k r� q� Xq q Wd S( sZ This method iterates over all fields that are defined and yields ``(key, value)`` tuples. Per default all fields are returned, but it's possible to limit that to some fields by providing the `only` parameter or to exclude some using the `exclude` parameter. Both should be sets or tuples of field names. N( R R> R" t AttributeError( R4 t excludet onlyR* ( ( s0 /usr/lib/python2.7/site-packages/jinja2/nodes.pyt iter_fields� s c c sx xq | j | | � D]] \ } } t | t � rY x? | D] } t | t � r5 | Vq5 q5 Wq t | t � r | Vq q Wd S( s� Iterates over all direct child nodes of the node. This iterates over all fields and yields the values of they are nodes. If the value of a field is a list all the nodes in that list are returned. N( RQ t isinstancet listRC ( R4 RO RP t fieldt itemt n( ( s0 /usr/lib/python2.7/site-packages/jinja2/nodes.pyt iter_child_nodes� s c C s x | j | � D] } | SWd S( si Find the first node of a given type. If no such node exists the return value is `None`. N( t find_all( R4 t node_typet result( ( s0 /usr/lib/python2.7/site-packages/jinja2/nodes.pyt find� s c c sQ xJ | j � D]< } t | | � r* | Vn x | j | � D] } | Vq: Wq Wd S( s� Find all the nodes of a given type. If the type is a tuple, the check is performed for any of the tuple items. N( RW RR RX ( R4 RY t childRZ ( ( s0 /usr/lib/python2.7/site-packages/jinja2/nodes.pyRX � s c C sZ t | g � } xD | rU | j � } d | j k r? | | _ n | j | j � � q W| S( s Reset the context of a node and all child nodes. Per default the parser will all generate nodes that have a 'load' context as it's the most common one. This method is used in the parser to set assignment targets and other nodes to a store context. RA ( R t popleftR RA R! RW ( R4 RA t todoR@ ( ( s0 /usr/lib/python2.7/site-packages/jinja2/nodes.pyt set_ctx� s c C sr t | g � } x\ | rm | j � } d | j k rW | j d k sH | rW | | _ qW n | j | j � � q W| S( s. Set the line numbers of the node and children.RD N( R R] R RD R> R! RW ( R4 RD t overrideR^ R@ ( ( s0 /usr/lib/python2.7/site-packages/jinja2/nodes.pyt set_lineno� s c C sH t | g � } x2 | rC | j � } | | _ | j | j � � q W| S( s" Set the environment for all nodes.( R R] R0 R! RW ( R4 R0 R^ R@ ( ( s0 /usr/lib/python2.7/site-packages/jinja2/nodes.pyt set_environment� s c C s: t | � t | � k o9 t | j � � t | j � � k S( N( R' R$ RQ ( R4 t other( ( s0 /usr/lib/python2.7/site-packages/jinja2/nodes.pyt __eq__� s c C s | j | � S( N( Rd ( R4 Rc ( ( s0 /usr/lib/python2.7/site-packages/jinja2/nodes.pyt __ne__� s c s0 d � j j d j � f d � � j D� � f S( Ns %s(%s)s , c 3 s+ | ]! } d | t � | d � f Vq d S( s %s=%rN( R" R> ( t .0RM ( R4 ( s0 /usr/lib/python2.7/site-packages/jinja2/nodes.pys <genexpr>� s ( RI R t joinR ( R4 ( ( R4 s0 /usr/lib/python2.7/site-packages/jinja2/nodes.pyt __repr__� s ( ( s linenos environmentN( R R R R R t TrueR R6 R> RQ RW R[ RX R_ R& Ra Rb Rd Re t objectt __hash__Rh ( ( ( s0 /usr/lib/python2.7/site-packages/jinja2/nodes.pyRC k s t Stmtc B s e Z d Z e Z RS( s Base node for all statements.( R R R Ri R ( ( ( s0 /usr/lib/python2.7/site-packages/jinja2/nodes.pyRl � s t Helperc B s e Z d Z e Z RS( s, Nodes that exist in a specific context only.( R R R Ri R ( ( ( s0 /usr/lib/python2.7/site-packages/jinja2/nodes.pyRm � s t Templatec B s e Z d Z d Z RS( sj Node that represents a template. This must be the outermost node that is passed to the compiler. t body( Ro ( R R R R ( ( ( s0 /usr/lib/python2.7/site-packages/jinja2/nodes.pyRn s t Outputc B s e Z d Z d Z RS( s� A node that holds multiple expressions which are then printed out. This is used both for the `print` statement and the regular template data. t nodes( s nodes( R R R R ( ( ( s0 /usr/lib/python2.7/site-packages/jinja2/nodes.pyRp s t Extendsc B s e Z d Z d Z RS( s Represents an extends statement.t template( s template( R R R R ( ( ( s0 /usr/lib/python2.7/site-packages/jinja2/nodes.pyRr s t Forc B s e Z d Z d Z RS( sx The for loop. `target` is the target for the iteration (usually a :class:`Name` or :class:`Tuple`), `iter` the iterable. `body` is a list of nodes that are used as loop-body, and `else_` a list of nodes for the `else` block. If no else node exists it has to be an empty list. For filtered nodes an expression can be stored as `test`, otherwise `None`. t targetRL Ro t else_t testt recursive( Ru s iters bodyRv s testRx ( R R R R ( ( ( s0 /usr/lib/python2.7/site-packages/jinja2/nodes.pyRt s t Ifc B s e Z d Z d Z RS( s4 If `test` is true, `body` is rendered, else `else_`.Rw Ro Rv ( s tests bodys else_( R R R R ( ( ( s0 /usr/lib/python2.7/site-packages/jinja2/nodes.pyRy s t Macroc B s e Z d Z d Z RS( s� A macro definition. `name` is the name of the macro, `args` a list of arguments and `defaults` a list of defaults if there are any. `body` is a list of nodes for the macro body. R* t argst defaultsRo ( s names argsR| s body( R R R R ( ( ( s0 /usr/lib/python2.7/site-packages/jinja2/nodes.pyRz # s t CallBlockc B s e Z d Z d Z RS( s� Like a macro without a name but a call instead. `call` is called with the unnamed macro as `caller` argument this node holds. t callR{ R| Ro ( s calls argss defaultss body( R R R R ( ( ( s0 /usr/lib/python2.7/site-packages/jinja2/nodes.pyR} + s t FilterBlockc B s e Z d Z d Z RS( s Node for filter sections.Ro t filter( s bodys filter( R R R R ( ( ( s0 /usr/lib/python2.7/site-packages/jinja2/nodes.pyR 2 s t Blockc B s e Z d Z d Z RS( s A node that represents a block.R* Ro t scoped( s names bodyR� ( R R R R ( ( ( s0 /usr/lib/python2.7/site-packages/jinja2/nodes.pyR� 7 s t Includec B s e Z d Z d Z RS( s' A node that represents the include tag.Rs t with_contextt ignore_missing( s templateR� R� ( R R R R ( ( ( s0 /usr/lib/python2.7/site-packages/jinja2/nodes.pyR� < s t Importc B s e Z d Z d Z RS( s& A node that represents the import tag.Rs Ru R� ( s templates targets with_context( R R R R ( ( ( s0 /usr/lib/python2.7/site-packages/jinja2/nodes.pyR� A s t FromImportc B s e Z d Z d Z RS( s A node that represents the from import tag. It's important to not pass unsafe names to the name attribute. The compiler translates the attribute lookups directly into getattr calls and does *not* use the subscript callback of the interface. As exported variables may not start with double underscores (which the parser asserts) this is not a problem for regular Jinja code, but if this node is used in an extension extra care must be taken. The list of names may contain tuples if aliases are wanted. Rs t namesR� ( s templates namess with_context( R R R R ( ( ( s0 /usr/lib/python2.7/site-packages/jinja2/nodes.pyR� F s t ExprStmtc B s e Z d Z d Z RS( sA A statement that evaluates an expression and discards the result.R@ ( s node( R R R R ( ( ( s0 /usr/lib/python2.7/site-packages/jinja2/nodes.pyR� T s t Assignc B s e Z d Z d Z RS( s" Assigns an expression to a target.Ru R@ ( s targets node( R R R R ( ( ( s0 /usr/lib/python2.7/site-packages/jinja2/nodes.pyR� Y s t Exprc B s) e Z d Z e Z d d � Z d � Z RS( s Baseclass for all expressions.c C s t � � d S( sn Return the value of the expression as constant or raise :exc:`Impossible` if this was not possible. An :class:`EvalContext` can be provided, if none is given a default context is created which requires the nodes to have an attached environment. .. versionchanged:: 2.4 the `eval_ctx` parameter was added. N( R ( R4 t eval_ctx( ( s0 /usr/lib/python2.7/site-packages/jinja2/nodes.pyt as_constb s c C s t S( s8 Check if it's possible to assign something to this node.( R& ( R4 ( ( s0 /usr/lib/python2.7/site-packages/jinja2/nodes.pyt can_assigno s N( R R R Ri R R> R� R� ( ( ( s0 /usr/lib/python2.7/site-packages/jinja2/nodes.pyR� ^ s t BinExprc B s, e Z d Z d Z d Z e Z d d � Z RS( s% Baseclass for all binary expressions.t leftt rightc C s� t | | � } | j j r< | j | j j k r< t � � n t | j } y) | | j j | � | j j | � � SWn t k r� t � � n Xd S( N( RB R0 t sandboxedt operatort intercepted_binopsR t _binop_to_funcR� R� R� t Exception( R4 R� t f( ( s0 /usr/lib/python2.7/site-packages/jinja2/nodes.pyR� z s ) ( s lefts rightN( R R R R R> R� Ri R R� ( ( ( s0 /usr/lib/python2.7/site-packages/jinja2/nodes.pyR� t s t UnaryExprc B s, e Z d Z d Z d Z e Z d d � Z RS( s$ Baseclass for all unary expressions.R@ c C s� t | | � } | j j r< | j | j j k r< t � � n t | j } y | | j j | � � SWn t k r t � � n Xd S( N( RB R0 R� R� t intercepted_unopsR t _uaop_to_funcR@ R� R� ( R4 R� R� ( ( s0 /usr/lib/python2.7/site-packages/jinja2/nodes.pyR� � s ( s nodeN( R R R R R> R� Ri R R� ( ( ( s0 /usr/lib/python2.7/site-packages/jinja2/nodes.pyR� � s t Namec B s e Z d Z d Z d � Z RS( s Looks up a name or stores a value in a name. The `ctx` of the node can be one of the following values: - `store`: store a value in the name - `load`: load that name - `param`: like `store` but if the name was defined as function parameter. R* RA c C s | j d k S( Nt truet falset noneRi R& R> ( R� R� R� s Trues Falses None( R* ( R4 ( ( s0 /usr/lib/python2.7/site-packages/jinja2/nodes.pyR� � s ( s names ctx( R R R R R� ( ( ( s0 /usr/lib/python2.7/site-packages/jinja2/nodes.pyR� � s t Literalc B s e Z d Z e Z RS( s Baseclass for literals.( R R R Ri R ( ( ( s0 /usr/lib/python2.7/site-packages/jinja2/nodes.pyR� � s t Constc B s5 e Z d Z d Z d d � Z e d d d � � Z RS( s All constant values. The parser will return this node for simple constants such as ``42`` or ``"foo"`` but it can be used to store more complex values such as lists too. Only constants with a safe representation (objects where ``eval(repr(x)) == x`` is true). t valuec C s | j S( N( R� ( R4 R� ( ( s0 /usr/lib/python2.7/site-packages/jinja2/nodes.pyR� � s c C s> d d l m } | | � s( t � � n | | d | d | �S( s� Return a const object if the value is representable as constant value in the generated code, otherwise it will raise an `Impossible` exception. i ( t has_safe_reprRD R0 ( t compilerR� R ( R) R� RD R0 R� ( ( s0 /usr/lib/python2.7/site-packages/jinja2/nodes.pyt from_untrusted� s ( s valueN( R R R R R> R� t classmethodR� ( ( ( s0 /usr/lib/python2.7/site-packages/jinja2/nodes.pyR� � s t TemplateDatac B s e Z d Z d Z d d � Z RS( s A constant template string.t datac C sA t | | � } | j r$ t � � n | j r: t | j � S| j S( N( RB R3 R R2 R R� ( R4 R� ( ( s0 /usr/lib/python2.7/site-packages/jinja2/nodes.pyR� � s ( s dataN( R R R R R> R� ( ( ( s0 /usr/lib/python2.7/site-packages/jinja2/nodes.pyR� � s t Tuplec B s) e Z d Z d Z d d � Z d � Z RS( s� For loop unpacking and some other things like multiple arguments for subscripts. Like for :class:`Name` `ctx` specifies if the tuple is used for loading the names or storing. t itemsRA c s, t | � � � t � f d � | j D� � S( Nc 3 s | ] } | j � � Vq d S( N( R� ( Rf t x( R� ( s0 /usr/lib/python2.7/site-packages/jinja2/nodes.pys <genexpr>� s ( RB R$ R� ( R4 R� ( ( R� s0 /usr/lib/python2.7/site-packages/jinja2/nodes.pyR� � s c C s( x! | j D] } | j � s t Sq Wt S( N( R� R� R& Ri ( R4 RU ( ( s0 /usr/lib/python2.7/site-packages/jinja2/nodes.pyR� � s ( s itemss ctxN( R R R R R> R� R� ( ( ( s0 /usr/lib/python2.7/site-packages/jinja2/nodes.pyR� � s t Listc B s e Z d Z d Z d d � Z RS( s& Any list literal such as ``[1, 2, 3]``R� c C s2 t | | � } g | j D] } | j | � ^ q S( N( RB R� R� ( R4 R� R� ( ( s0 /usr/lib/python2.7/site-packages/jinja2/nodes.pyR� � s ( s itemsN( R R R R R> R� ( ( ( s0 /usr/lib/python2.7/site-packages/jinja2/nodes.pyR� � s t Dictc B s e Z d Z d Z d d � Z RS( se Any dict literal such as ``{1: 2, 3: 4}``. The items must be a list of :class:`Pair` nodes. R� c s, t | � � � t � f d � | j D� � S( Nc 3 s | ] } | j � � Vq d S( N( R� ( Rf R� ( R� ( s0 /usr/lib/python2.7/site-packages/jinja2/nodes.pys <genexpr>� s ( RB t dictR� ( R4 R� ( ( R� s0 /usr/lib/python2.7/site-packages/jinja2/nodes.pyR� � s ( s itemsN( R R R R R> R� ( ( ( s0 /usr/lib/python2.7/site-packages/jinja2/nodes.pyR� � s t Pairc B s e Z d Z d Z d d � Z RS( s A key, value pair for dicts.t keyR� c C s1 t | | � } | j j | � | j j | � f S( N( RB R� R� R� ( R4 R� ( ( s0 /usr/lib/python2.7/site-packages/jinja2/nodes.pyR� � s ( s keys valueN( R R R R R> R� ( ( ( s0 /usr/lib/python2.7/site-packages/jinja2/nodes.pyR� � s t Keywordc B s e Z d Z d Z d d � Z RS( s> A key, value pair for keyword arguments where key is a string.R� R� c C s( t | | � } | j | j j | � f S( N( RB R� R� R� ( R4 R� ( ( s0 /usr/lib/python2.7/site-packages/jinja2/nodes.pyR� s ( s keys valueN( R R R R R> R� ( ( ( s0 /usr/lib/python2.7/site-packages/jinja2/nodes.pyR� s t CondExprc B s e Z d Z d Z d d � Z RS( sZ A conditional expression (inline if expression). (``{{ foo if bar else baz }}``) Rw t expr1t expr2c C s\ t | | � } | j j | � r1 | j j | � S| j d k rL t � � n | j j | � S( N( RB Rw R� R� R� R> R ( R4 R� ( ( s0 /usr/lib/python2.7/site-packages/jinja2/nodes.pyR� s ( s tests expr1s expr2N( R R R R R> R� ( ( ( s0 /usr/lib/python2.7/site-packages/jinja2/nodes.pyR� s t Filterc B s e Z d Z d Z d d � Z RS( s This node applies a filter on an expression. `name` is the name of the filter, the rest of the fields are the same as for :class:`Call`. If the `node` of a filter is `None` the contents of the last buffer are filtered. Buffers are created by macros and filter blocks. R@ R* R{ t kwargst dyn_argst dyn_kwargsc s� t | � � � � j s' | j d k r3 t � � n | j j j | j � } | d k si t | d t � ru t � � n | j j � � } g | j D] } | j � � ^ q� } t | d t � r� | j d � � n( t | d t � r� | j d | j � n t � f d � | j D� � } | j d k rdy | j | j j � � � Wqdt k r`t � � qdXn | j d k r�y | j | j j � � � Wq�t k r�t � � q�Xn y | | | | � SWn t k r�t � � n Xd S( Nt contextfiltert evalcontextfilteri t environmentfilterc 3 s | ] } | j � � Vq d S( N( R� ( Rf R� ( R� ( s0 /usr/lib/python2.7/site-packages/jinja2/nodes.pys <genexpr>7 s ( RB R3 R@ R> R R0 t filtersR# R* R" R& R� R{ t insertR� R� R� R! R� R� R; ( R4 R� t filter_t objR� R{ R� ( ( R� s0 /usr/lib/python2.7/site-packages/jinja2/nodes.pyR� % s6 % ( s nodes names argss kwargss dyn_argss dyn_kwargsN( R R R R R> R� ( ( ( s0 /usr/lib/python2.7/site-packages/jinja2/nodes.pyR� s t Testc B s e Z d Z d Z RS( s� Applies a test on an expression. `name` is the name of the test, the rest of the fields are the same as for :class:`Call`. R@ R* R{ R� R� R� ( s nodes names argss kwargss dyn_argss dyn_kwargs( R R R R ( ( ( s0 /usr/lib/python2.7/site-packages/jinja2/nodes.pyR� H s t Callc B s e Z d Z d Z d d � Z RS( s/ Calls an expression. `args` is a list of arguments, `kwargs` a list of keyword arguments (list of :class:`Keyword` nodes), and `dyn_args` and `dyn_kwargs` has to be either `None` or a node that is used as node for dynamic positional (``*args``) or keyword (``**kwargs``) arguments. R@ R{ R� R� R� c s� t | � � � � j s$ � j j r0 t � � n | j j � � } g | j D] } | j � � ^ qL } t | t � r� t | d t � r� t � � q� t | d t � r� | j d � � q� t | d t � r� | j d | j � q� n t � f d � | j D� � } | j d k rOy | j | j j � � � WqOt k rKt � � qOXn | j d k r�y | j | j j � � � Wq�t k r�t � � q�Xn y | | | � SWn t k r�t � � n Xd S( Nt contextfunctiont evalcontextfunctioni t environmentfunctionc 3 s | ] } | j � � Vq d S( N( R� ( Rf R� ( R� ( s0 /usr/lib/python2.7/site-packages/jinja2/nodes.pys <genexpr>h s ( RB R3 R0 R� R R@ R� R{ RR t _context_function_typesR" R& R� R� R� R� R> R! R� R� R; ( R4 R� R� R� R{ R� ( ( R� s0 /usr/lib/python2.7/site-packages/jinja2/nodes.pyR� X s6 % ( s nodes argss kwargss dyn_argss dyn_kwargsN( R R R R R> R� ( ( ( s0 /usr/lib/python2.7/site-packages/jinja2/nodes.pyR� O s t Getitemc B s) e Z d Z d Z d d � Z d � Z RS( s@ Get an attribute or item from an expression and prefer the item.R@ RM RA c C sz t | | � } | j d k r* t � � n y/ | j j | j j | � | j j | � � SWn t k ru t � � n Xd S( Nt load( RB RA R R0 t getitemR@ R� RM R� ( R4 R� ( ( s0 /usr/lib/python2.7/site-packages/jinja2/nodes.pyR� } s c C s t S( N( R& ( R4 ( ( s0 /usr/lib/python2.7/site-packages/jinja2/nodes.pyR� � s ( s nodes args ctxN( R R R R R> R� R� ( ( ( s0 /usr/lib/python2.7/site-packages/jinja2/nodes.pyR� y s t Getattrc B s) e Z d Z d Z d d � Z d � Z RS( sn Get an attribute or item from an expression that is a ascii-only bytestring and prefer the attribute. R@ R- RA c C sq | j d k r t � � n y5 t | | � } | j j | j j | � | j � SWn t k rl t � � n Xd S( NR� ( RA R RB R0 R" R@ R� R- R� ( R4 R� ( ( s0 /usr/lib/python2.7/site-packages/jinja2/nodes.pyR� � s c C s t S( N( R& ( R4 ( ( s0 /usr/lib/python2.7/site-packages/jinja2/nodes.pyR� � s ( s nodes attrs ctxN( R R R R R> R� R� ( ( ( s0 /usr/lib/python2.7/site-packages/jinja2/nodes.pyR� � s t Slicec B s e Z d Z d Z d d � Z RS( s_ Represents a slice object. This must only be used as argument for :class:`Subscript`. t startt stopt stepc sI t | � � � � f d � } t | | j � | | j � | | j � � S( Nc s | d k r d S| j � � S( N( R> R� ( R� ( R� ( s0 /usr/lib/python2.7/site-packages/jinja2/nodes.pyt const� s ( RB t sliceR� R� R� ( R4 R� R� ( ( R� s0 /usr/lib/python2.7/site-packages/jinja2/nodes.pyR� � s ( s starts stops stepN( R R R R R> R� ( ( ( s0 /usr/lib/python2.7/site-packages/jinja2/nodes.pyR� � s t Concatc B s e Z d Z d Z d d � Z RS( sX Concatenates the list of expressions provided after converting them to unicode. Rq c s/ t | � � � d j � f d � | j D� � S( NRF c 3 s$ | ] } t | j � � � Vq d S( N( R R� ( Rf R� ( R� ( s0 /usr/lib/python2.7/site-packages/jinja2/nodes.pys <genexpr>� s ( RB Rg Rq ( R4 R� ( ( R� s0 /usr/lib/python2.7/site-packages/jinja2/nodes.pyR� � s ( s nodesN( R R R R R> R� ( ( ( s0 /usr/lib/python2.7/site-packages/jinja2/nodes.pyR� � s t Comparec B s e Z d Z d Z d d � Z RS( si Compares an expression with some other expressions. `ops` must be a list of :class:`Operand`\s. t exprt opsc C s� t | | � } | j j | � } } yF x? | j D]4 } | j j | � } t | j | | � } | } q2 WWn t k r� t � � n X| S( N( RB R� R� R� t _cmpop_to_funct opR� R ( R4 R� RZ R� R� t new_value( ( s0 /usr/lib/python2.7/site-packages/jinja2/nodes.pyR� � s ( s exprs opsN( R R R R R> R� ( ( ( s0 /usr/lib/python2.7/site-packages/jinja2/nodes.pyR� � s t Operandc B s e Z d Z d Z RS( s$ Holds an operator and an expression.R� R� ( s ops expr( R R R R ( ( ( s0 /usr/lib/python2.7/site-packages/jinja2/nodes.pyR� � s t Mulc B s e Z d Z d Z RS( s( Multiplies the left with the right node.R ( R R R R� ( ( ( s0 /usr/lib/python2.7/site-packages/jinja2/nodes.pyR� � s t Divc B s e Z d Z d Z RS( s# Divides the left by the right node.R ( R R R R� ( ( ( s0 /usr/lib/python2.7/site-packages/jinja2/nodes.pyR� � s t FloorDivc B s e Z d Z d Z RS( sj Divides the left by the right node and truncates conver the result into an integer by truncating. s //( R R R R� ( ( ( s0 /usr/lib/python2.7/site-packages/jinja2/nodes.pyR� � s t Addc B s e Z d Z d Z RS( s Add the left to the right node.R ( R R R R� ( ( ( s0 /usr/lib/python2.7/site-packages/jinja2/nodes.pyR� � s t Subc B s e Z d Z d Z RS( s' Substract the right from the left node.R ( R R R R� ( ( ( s0 /usr/lib/python2.7/site-packages/jinja2/nodes.pyR� � s t Modc B s e Z d Z d Z RS( s Left modulo right.R ( R R R R� ( ( ( s0 /usr/lib/python2.7/site-packages/jinja2/nodes.pyR� � s t Powc B s e Z d Z d Z RS( s Left to the power of right.s **( R R R R� ( ( ( s0 /usr/lib/python2.7/site-packages/jinja2/nodes.pyR� � s t Andc B s e Z d Z d Z d d � Z RS( s Short circuited AND.t andc C s1 t | | � } | j j | � o0 | j j | � S( N( RB R� R� R� ( R4 R� ( ( s0 /usr/lib/python2.7/site-packages/jinja2/nodes.pyR� � s N( R R R R� R> R� ( ( ( s0 /usr/lib/python2.7/site-packages/jinja2/nodes.pyR� � s t Orc B s e Z d Z d Z d d � Z RS( s Short circuited OR.t orc C s1 t | | � } | j j | � p0 | j j | � S( N( RB R� R� R� ( R4 R� ( ( s0 /usr/lib/python2.7/site-packages/jinja2/nodes.pyR� s N( R R R R� R> R� ( ( ( s0 /usr/lib/python2.7/site-packages/jinja2/nodes.pyR� s t Notc B s e Z d Z d Z RS( s Negate the expression.R ( R R R R� ( ( ( s0 /usr/lib/python2.7/site-packages/jinja2/nodes.pyR� s t Negc B s e Z d Z d Z RS( s Make the expression negative.R ( R R R R� ( ( ( s0 /usr/lib/python2.7/site-packages/jinja2/nodes.pyR� s t Posc B s e Z d Z d Z RS( s8 Make the expression positive (noop for most expressions)R ( R R R R� ( ( ( s0 /usr/lib/python2.7/site-packages/jinja2/nodes.pyR� s t EnvironmentAttributec B s e Z d Z d Z RS( s� Loads an attribute from the environment object. This is useful for extensions that want to call a callback stored on the environment. R* ( s name( R R R R ( ( ( s0 /usr/lib/python2.7/site-packages/jinja2/nodes.pyR� s t ExtensionAttributec B s e Z d Z d Z RS( s� Returns the attribute of an extension bound to the environment. The identifier is the identifier of the :class:`Extension`. This node is usually constructed by calling the :meth:`~jinja2.ext.Extension.attr` method on an extension. t identifierR* ( R� s name( R R R R ( ( ( s0 /usr/lib/python2.7/site-packages/jinja2/nodes.pyR� & s t ImportedNamec B s e Z d Z d Z RS( s& If created with an import name the import name is returned on node access. For example ``ImportedName('cgi.escape')`` returns the `escape` function from the cgi module on evaluation. Imports are optimized by the compiler so there is no need to assign them to local variables. t importname( R� ( R R R R ( ( ( s0 /usr/lib/python2.7/site-packages/jinja2/nodes.pyR� 0 s t InternalNamec B s e Z d Z d Z d � Z RS( s7 An internal name in the compiler. You cannot create these nodes yourself but the parser provides a :meth:`~jinja2.parser.Parser.free_identifier` method that creates a new identifier for you. This identifier is not available from the template and is not threated specially by the compiler. R* c C s t d � � d S( NsK Can't create internal names. Use the `free_identifier` method on a parser.( RG ( R4 ( ( s0 /usr/lib/python2.7/site-packages/jinja2/nodes.pyR6 B s ( s name( R R R R R6 ( ( ( s0 /usr/lib/python2.7/site-packages/jinja2/nodes.pyR� 9 s t MarkSafec B s e Z d Z d Z d d � Z RS( s: Mark the wrapped expression as safe (wrap it as `Markup`).R� c C s% t | | � } t | j j | � � S( N( RB R R� R� ( R4 R� ( ( s0 /usr/lib/python2.7/site-packages/jinja2/nodes.pyR� K s ( s exprN( R R R R R> R� ( ( ( s0 /usr/lib/python2.7/site-packages/jinja2/nodes.pyR� G s t MarkSafeIfAutoescapec B s e Z d Z d Z d d � Z RS( s� Mark the wrapped expression as safe (wrap it as `Markup`) but only if autoescaping is active. .. versionadded:: 2.5 R� c C sM t | | � } | j r$ t � � n | j j | � } | j rI t | � S| S( N( RB R3 R R� R� R2 R ( R4 R� R� ( ( s0 /usr/lib/python2.7/site-packages/jinja2/nodes.pyR� X s ( s exprN( R R R R R> R� ( ( ( s0 /usr/lib/python2.7/site-packages/jinja2/nodes.pyR� P s t ContextReferencec B s e Z d Z RS( sr Returns the current template context. It can be used like a :class:`Name` node, with a ``'load'`` ctx and will return the current :class:`~jinja2.runtime.Context` object. Here an example that assigns the current template name to a variable named `foo`:: Assign(Name('foo', ctx='store'), Getattr(ContextReference(), 'name')) ( R R R ( ( ( s0 /usr/lib/python2.7/site-packages/jinja2/nodes.pyR� b s t Continuec B s e Z d Z RS( s Continue a loop.( R R R ( ( ( s0 /usr/lib/python2.7/site-packages/jinja2/nodes.pyR� o s t Breakc B s e Z d Z RS( s Break a loop.( R R R ( ( ( s0 /usr/lib/python2.7/site-packages/jinja2/nodes.pyR� s s t Scopec B s e Z d Z d Z RS( s An artificial scope.Ro ( s body( R R R R ( ( ( s0 /usr/lib/python2.7/site-packages/jinja2/nodes.pyR� w s t EvalContextModifierc B s e Z d Z d Z RS( s Modifies the eval context. For each option that should be modified, a :class:`Keyword` has to be added to the :attr:`options` list. Example to change the `autoescape` setting:: EvalContextModifier(options=[Keyword('autoescape', Const(True))]) t options( R� ( R R R R ( ( ( s0 /usr/lib/python2.7/site-packages/jinja2/nodes.pyR� | s t ScopedEvalContextModifierc B s e Z d Z d Z RS( s� Modifies the eval context and reverts it later. Works exactly like :class:`EvalContextModifier` but will only modify the :class:`~jinja2.nodes.EvalContext` for nodes in the :attr:`body`. Ro ( s body( R R R R ( ( ( s0 /usr/lib/python2.7/site-packages/jinja2/nodes.pyR� � s c O s t d � � d S( Ns can't create custom node types( RG ( R{ R� ( ( s0 /usr/lib/python2.7/site-packages/jinja2/nodes.pyt _failing_new� s (j R R� t collectionsR t jinja2.utilsR t jinja2._compatR R R R R R R� t mult truedivt floordivt powt modt addt subR� t not_t post negR� R R R t geR t leR� R� R R' R Rj R/ RB RC Rl Rm Rn Rp Rr Rt Ry Rz R} R R� R� R� R� R� R� R� R� R� R� R� R� R� R� R� R� R� R� R� R� R� R� R� R� R� R� R� R� R� R� R� R� R� R� R� R� R� R� R� R� R� R� R� R� R� R� R� R� R� R� R� R� R� t staticmethodR( ( ( ( s0 /usr/lib/python2.7/site-packages/jinja2/nodes.pyt <module> s� . � ,*
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