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Edit File: runtime.cpython-38.pyc
U �\Lf�l � @ sD d Z ddlZddlmZ ddlmZ ddlmZmZ ddl m Z m Z m Z m Z mZmZmZmZmZ ddlmZmZmZ ddlmZmZmZmZm Z m Z m Z m Z d d d d d dddddddddgZ eZ!dd� Z"e#� Z$e#� Z%dd� Z&dd� Z'd7dd �Z(G d d � d e#�Z)d d � Z*G d d!� d!e+�Z,e fd"d#�Z-G d$d%� d%e e,��Z.zdd&l/m0Z0 e0�1e.� W nH e2k �r� zdd&l3m0Z0 e0�1e.� W n e2k �r� Y nX Y nX G d'd(� d(e#�Z4G d)d*� d*e#�Z5G d+d � d e5�Z6eG d,d-� d-e#��Z7G d.d � d e#�Z8e G d/d0� d0e#��Z9d8d1d2�Z:e G d3d4� d4e9��Z;e G d5d6� d6e9��Z<e9`=e;`=e<`=dS )9z} jinja2.runtime ~~~~~~~~~~~~~~ Runtime helpers. :copyright: (c) 2017 by the Jinja Team. :license: BSD. � N)�chain)� MethodType)� EvalContext�_context_function_types) �Markup� soft_unicode�escape�missing�concat� internalcode�object_type_repr�evalcontextfunction� Namespace)�UndefinedError�TemplateRuntimeError�TemplateNotFound)�imap� text_type� iteritems�implements_iterator�implements_to_string� string_types�PY2�with_metaclass� LoopContext�TemplateReference�Macror r r r r � markup_join� unicode_join� to_string�identityr r c C s | S �N� ��xr" r" �0/usr/lib/python3/dist-packages/jinja2/runtime.py�<lambda>% � r& c C sL g }t t| �}|D ]0}|�|� t|d�rtd��t||�� S qt|�S )z@Concatenation that escapes if necessary and converts to unicode.Z__html__� )r r �append�hasattrr �joinr r )�seqZbuf�iterator�argr" r" r% r + s c C s t tt| ��S )z4Simple args to unicode conversion and concatenation.)r r r )r, r" r" r% r 6 s c C sh |dkr i }|r|}nt |p df|�}|rX|r6t |�}t|�D ]\}} | tk r>| ||< q>| �| |||�S )z(Internal helper to for context creation.Nr" )�dictr r Z context_class) � environmentZ template_name�blocks�varsZshared�globals�locals�parent�key�valuer" r" r% � new_context; s �r8 c @ s( e Zd ZdZdd� Zdd� Zdd� ZdS ) r zThe `self` in templates.c C s || _ d S r! )�_TemplateReference__context��self�contextr" r" r% �__init__S s zTemplateReference.__init__c C s | j j| }t|| j |d�S �Nr )r9 r1 �BlockReference)r; �namer1 r" r" r% � __getitem__V s z TemplateReference.__getitem__c C s d| j j| jjf S )Nz<%s %r>)� __class__�__name__r9 r@ �r; r" r" r% �__repr__Z s �zTemplateReference.__repr__N)rC � __module__� __qualname__�__doc__r= rA rE r" r" r" r% r P s c C s t | d| �S )N�__func__)�getattrr# r" r" r% � _get_funca s rK c @ s e Zd Zdd� ZdS )� ContextMetac C sv t �| |||�}|dkr |S t|j�}ttj�}t|j�}ttj�}||k r\||kr\d|_n||krr||krrd|_|S )Nr" T)�type�__new__rK �resolve�Context�resolve_or_missing�_legacy_resolve_mode�_fast_resolve_mode) �clsr@ �bases�d�rvrO Zdefault_resolverQ Zdefault_resolve_or_missingr" r" r% rN g s ��zContextMeta.__new__N)rC rF rG rN r" r" r" r% rL e s rL c C s, || j kr| j | S || jkr(| j| S |S r! �r2 r5 )r< r6 r r" r" r% rQ } s rQ c @ s� e Zd ZdZdZdZdd� Zdd� Zd$dd �Zd d � Z d d � Z dd� Z dd� Z e dd� �Zd%dd�Zdd� Zed�Zed�Zed�Zer�ed�Zed �Zed �Z[d d � Zd d!� Zd"d#� ZdS )&rP a� The template context holds the variables of a template. It stores the values passed to the template and also the names the template exports. Creating instances is neither supported nor useful as it's created automatically at various stages of the template evaluation and should not be created by hand. The context is immutable. Modifications on :attr:`parent` **must not** happen and modifications on :attr:`vars` are allowed from generated template code only. Template filters and global functions marked as :func:`contextfunction`\s get the active context passed as first argument and are allowed to access the context read-only. The template context supports read only dict operations (`get`, `keys`, `values`, `items`, `iterkeys`, `itervalues`, `iteritems`, `__getitem__`, `__contains__`). Additionally there is a :meth:`resolve` method that doesn't fail with a `KeyError` but returns an :class:`Undefined` object for missing variables. Fc C s\ || _ i | _|| _t| j|�| _t� | _|| _tdd� t |�D ��| _ | j rXt t | �| _ d S )Nc s s | ]\}}||gfV qd S r! r" ��.0�k�vr" r" r% � <genexpr>� s z#Context.__init__.<locals>.<genexpr>)r5 r2 r0 r �eval_ctx�set� exported_varsr@ r/ r r1 rS r rQ )r; r0 r5 r@ r1 r" r" r% r= � s zContext.__init__c C s\ z$| j | }|�|�d }|| W n( tk rL | jjd| dd� Y S X t|| ||�S )zRender a parent block.� �#there is no parent block called %r.�super�r@ )r1 �index� LookupErrorr0 � undefinedr? )r; r@ Zcurrentr1 re r" r" r% rc � s �� z Context.superNc C s( z | | W S t k r" | Y S X dS )zfReturns an item from the template context, if it doesn't exist `default` is returned. 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TNc s s | ]\}}|t |�fV qd S r! )�listrY r" r" r% r] s z"Context.derived.<locals>.<genexpr>)r8 r0 r@ ro r^ r1 �updater )r; r4 r< r" r" r% �derived s � zContext.derivedc s$ � fdd�}t t� �j|_� |_|S )Nc s t | �� � �� S r! )rJ ro rD ��methr" r% r& r' z Context._all.<locals>.<lambda>)rJ r/ rH rC )r| �proxyr" r{ r% �_all s z Context._all�keys�values�items�iterkeys� itervaluesr c C s || j kp|| jkS r! rX �r; r@ r" r" r% � __contains__( s zContext.__contains__c C s | � |�}|tkrt|��|S )zTLookup a variable or raise `KeyError` if the variable is undefined. )rQ r rh )r; r6 �itemr" r" r% rA + s zContext.__getitem__c C s d| j jt| �� �| jf S )Nz <%s %s of %r>)rB rC �reprro r@ rD r" r" r% rE 4 s �zContext.__repr__)N)N)rC rF rG rH rR rS r= rc rj rO rQ rn ro r rw rz r~ r r� r� r r� r� r r� rA rE r" r" r" r% rP � s2 ! rP )�Mappingc @ s0 e Zd ZdZdd� Zedd� �Zedd� �ZdS ) r? z"One block on a template reference.c C s || _ || _|| _|| _d S r! )r@ �_context�_stack�_depth)r; r@ r< �stack�depthr" r" r% r= K s zBlockReference.__init__c C sF | j d t| j�kr,| jjjd| j dd�S t| j| j| j| j d �S )zSuper the block.ra rb rc rd )r� �lenr� r� r0 rg r@ r? rD r" r" r% rc Q s ���zBlockReference.superc C s, t | j| j | j��}| jjjr(t|�}|S r! )r r� r� r� r^ � autoescaper �r; rW r" r" r% rp [ s zBlockReference.__call__N) rC rF rG rH r= �propertyrc r rp r" r" r" r% r? H s r? c @ s� e Zd ZdZeZeZeZdZ ddd�Z dd� Z dd � Z e d d � �Ze d d � �Ze d d � �Ze dd � �Ze dd � �Ze dd � �Ze dd� �Ze dd� �Zdd� Zedd� �ZeZ[dd� ZdS ) �LoopContextBasez%A loop context for dynamic iteration.Nr c C s" || _ || _d| _|| _t| _d S )N���)� _undefined�_recurse�index0�depth0r �_last_checked_value)r; rg �recurser� r" r" r% r= k s zLoopContextBase.__init__c G s |s t d��|| jt|� S )z7Cycles among the arguments with the current loop index.zno items for cycling given)� TypeErrorr� r� )r; rt r" r" r% �cycler s zLoopContextBase.cyclec G s | j |kr|| _ dS dS )z9Checks whether the value has changed since the last call.TF)r� )r; r7 r" r" r% �changedx s zLoopContextBase.changedc C s | j dkS r> �r� r# r" r" r% r& r' zLoopContextBase.<lambda>c C s | j tkS r! )�_after�_last_iterationr# r" r" r% r& � r' c C s | j d S �Nra r� r# r" r" r% r& � r' c C s | j | j S r! )�lengthr� r# r" r" r% r& � r' c C s | j | j S r! )r� re r# r" r" r% r& � r' c C s | j d S r� )r� r# r" r" r% r& � r' c C s | j tkr| �d�S | j S )Nzthere is no previous item)�_before�_first_iterationr� rD r" r" r% �previtem� s zLoopContextBase.previtemc C s | j tkr| �d�S | j S )Nzthere is no next item)r� r� r� rD r" r" r% �nextitem� s zLoopContextBase.nextitemc C s | j S r! )r� rD r" r" r% �__len__� s zLoopContextBase.__len__c C s( | j d krtd��| � || j | jd �S )NzMTried to call non recursive loop. Maybe you forgot the 'recursive' modifier.ra )r� r� r� )r; �iterabler" r" r% �loop� s zLoopContextBase.loopc C s d| j j| j| jf S )Nz <%s %r/%r>)rB rC re r� rD r" r" r% rE � s �zLoopContextBase.__repr__)Nr )rC rF rG rH r� r� �_currentr� r� �_lengthr= r� r� r� �firstZlastre ZrevindexZ revindex0r� r� r� r� r r� rp rE r" r" r" r% r� c s0 r� c @ s2 e Zd Zd dd�Zedd� �Zdd� Zd d � ZdS ) r Nr c C sV t �| |||� t|�| _zt|�| _W n ttfk rF d | _Y nX | �� | _ d S r! ) r� r= �iter� _iteratorr� r� r� �AttributeError� _safe_nextr� )r; r� rg r� r� r" r" r% r= � s zLoopContext.__init__c C s< | j d kr6t| j�}t|�| _| jd }t|�| | _ | j S )N� )r� �tupler� r� r� r� )r; r� Ziterations_doner" r" r% r� � s zLoopContext.lengthc C s t | �S r! )�LoopContextIteratorrD r" r" r% �__iter__� s zLoopContext.__iter__c C s* z t | j�W S tk r$ t Y S X d S r! )�nextr� rs r� rD r" r" r% r� � s zLoopContext._safe_next)Nr )rC rF rG r= r� r� r� r� r" r" r" r% r � s c @ s, e Zd ZdZdZdd� Zdd� Zdd� Zd S ) r� z The iterator for a loop context.�r< c C s || _ d S r! r� r: r" r" r% r= � s z LoopContextIterator.__init__c C s | S r! r" rD r" r" r% r� � s z LoopContextIterator.__iter__c C sH | j }| jd7 _|jtkr$t� �|j|_|j|_|�� |_|j|fS r� )r< r� r� r� rs r� r� r� )r; Zctxr" r" r% �__next__� s z LoopContextIterator.__next__N)rC rF rG rH � __slots__r= r� r� r" r" r" r% r� � s r� c @ s: e Zd ZdZd dd�Zeedd� ��Zdd� Zd d � Z dS ) r zWraps a macro function.Nc C sV || _ || _t|�| _|| _|| _|| _|| _|| _d|k| _ |d krL|j }|| _ d S )N�caller) � _environment�_funcr� �_argument_countr@ � arguments� catch_kwargs� catch_varargsr� �explicit_callerr� �_default_autoescape) r; r0 �funcr@ r� r� r� r� Zdefault_autoescaper" r" r% r= � s zMacro.__init__c O s� |r*t |d t�r*|d j}|dd � }n| j}t|d | j� �}t|�}d}|| jkr�t| jt|�d � �D ]F\}}z|� |�} W n t k r� t } Y nX |dkr�d}|� | � qnn| j }| jr�|s�|� dd �} | d kr�| jjddd�} |� | � | j�r |� |� n8|�rBd|k�r(td| j ��td | jtt|��f ��| j�r`|� || jd � � n(t|�| jk�r�td | jt| j�f ��| �||�S ) Nr ra Fr� TzNo caller definedrd zamacro %r was invoked with two values for the special caller argument. This is most likely a bug.z%macro %r takes no keyword argument %rz+macro %r takes not more than %d argument(s))rl r r� r� rx r� r� � enumerater� �poprh r r) r� r� r� rg r� r� r@ r� r� r� �_invoke) r; rt ru r� r� ZoffZ found_caller�idxr@ r7 r� r" r" r% rp � sR � ���zMacro.__call__c C s | j |� }|rt|�}|S )z=This method is being swapped out by the async implementation.)r� r )r; r� r� rW r" r" r% r� E s z Macro._invokec C s$ d| j j| jd krdp t| j�f S )Nz<%s %s>Z anonymous)rB rC r@ r� rD r" r" r% rE L s �zMacro.__repr__)N) rC rF rG rH r= r r rp r� rE r" r" r" r% r � s � Jc @ s� e Zd ZdZdZdedefdd�Zedd� �Z edd � �Z e Z Z Z Z Z Z Z Z Z Z Z Z Z Z Z Z Z Z Z Z Z Z Z! Z" Z# Z$Z%d d � Z&d d � Z'dd� Z(dd� Z)dd� Z*dd� Z+dd� Z,e,Z-dd� Z.dS )rm az The default undefined type. This undefined type can be printed and iterated over, but every other access will raise an :exc:`jinja2.exceptions.UndefinedError`: >>> foo = Undefined(name='foo') >>> str(foo) '' >>> not foo True >>> foo + 42 Traceback (most recent call last): ... jinja2.exceptions.UndefinedError: 'foo' is undefined ��_undefined_hint�_undefined_obj�_undefined_name�_undefined_exceptionNc C s || _ || _|| _|| _d S r! r� )r; �hint�objr@ �excr" r" r% r= e s zUndefined.__init__c O sl | j dkrX| jtkr d| j }q^t| jt�sBdt| j�| jf }q^dt| j�| jf }n| j }| �|��dS )z{Regular callback function for undefined objects that raises an `jinja2.exceptions.UndefinedError` on call. Nz%r is undefinedz%s has no element %rz%r has no attribute %r)r� r� r r� rl r r r� )r; rt ru r� r" r" r% �_fail_with_undefined_errork s ��z$Undefined._fail_with_undefined_errorc C s |d d� dkrt |��| �� S )Nr� �__)r� r� r� r" r" r% � __getattr__� s zUndefined.__getattr__c C s t | �t |�kS r! )rM �r; �otherr" r" r% �__eq__� s zUndefined.__eq__c C s | � |� S r! )r� r� r" r" r% �__ne__� s zUndefined.__ne__c C s t t| ��S r! )�idrM rD r" r" r% �__hash__� s zUndefined.__hash__c C s dS )Nr( r" rD r" r" r% �__str__� s zUndefined.__str__c C s dS r> r" rD r" r" r% r� � s zUndefined.__len__c c s d S r! r" rD r" r" r% r� � s zUndefined.__iter__c C s dS )NFr" rD r" r" r% � __nonzero__� s zUndefined.__nonzero__c C s dS )Nrm r" rD r" r" r% rE � s zUndefined.__repr__)/rC rF rG rH r� r r r= r r� r� �__add__�__radd__�__mul__�__rmul__Z__div__Z__rdiv__� __truediv__� __rtruediv__� __floordiv__� __rfloordiv__�__mod__�__rmod__�__pos__�__neg__rp rA �__lt__�__le__�__gt__�__ge__�__int__� __float__� __complex__�__pow__�__rpow__�__sub__�__rsub__r� r� r� r� r� r� r� �__bool__rE r" r" r" r% rm S st ��������������������rm c s` �dkr,ddl }|�t����|�tj�� �dkr8t��fdd�� G � ��fdd�d��}|S )ak Given a logger object this returns a new undefined class that will log certain failures. It will log iterations and printing. If no logger is given a default logger is created. Example:: logger = logging.getLogger(__name__) LoggingUndefined = make_logging_undefined( logger=logger, base=Undefined ) .. versionadded:: 2.8 :param logger: the logger to use. If not provided, a default logger is created. :param base: the base class to add logging functionality to. This defaults to :class:`Undefined`. Nr c sn | j d krX| jtkr d| j }q^t| jt�sBdt| j�| jf }q^dt| j�| jf }n| j }� �d|� d S )Nz%s is undefinedz%s has no element %sz%s has no attribute %sz Template variable warning: %s)r� r� r r� rl r r Zwarning)Zundefr� )�loggerr" r% � _log_message� s ��z,make_logging_undefined.<locals>._log_messagec sf e Zd Z��fdd�Z� �fdd�Z� �fdd�ZerT� �fdd�Z� �fd d �Zn� �fd d �Z d S )z0make_logging_undefined.<locals>.LoggingUndefinedc sR z� j | f|�|�W S | jk rL } z��dt|�� |�W 5 d }~X Y nX d S )NzTemplate variable error: %s)r� r� �error�str)r; rt ru �e)�baser� r" r% r� � s zKmake_logging_undefined.<locals>.LoggingUndefined._fail_with_undefined_errorc s �� | �}� | � |S r! )r� r� �r� r� r" r% r� � s z8make_logging_undefined.<locals>.LoggingUndefined.__str__c s �� | �}� | � |S r! )r� r� r� r" r% r� � s z9make_logging_undefined.<locals>.LoggingUndefined.__iter__c s �� | �}� | � |S r! )r� r� r� r" r% r� � s z<make_logging_undefined.<locals>.LoggingUndefined.__nonzero__c s �� | �}� | � |S r! )� __unicode__r� r� r" r% r� � s z<make_logging_undefined.<locals>.LoggingUndefined.__unicode__c s �� | �}� | � |S r! )r� r� r� r" r% r� � s z9make_logging_undefined.<locals>.LoggingUndefined.__bool__N) rC rF rG r� r� r� r r� r� r� r" �r� r� r� r" r% �LoggingUndefined� s r� )�loggingZ getLoggerrC Z addHandlerZ StreamHandler�sys�stderrrm )r� r� r� r� r" r� r% �make_logging_undefined� s #r� c @ s e Zd ZdZdZdd� ZdS )�DebugUndefineda An undefined that returns the debug info when printed. >>> foo = DebugUndefined(name='foo') >>> str(foo) '{{ foo }}' >>> not foo True >>> foo + 42 Traceback (most recent call last): ... jinja2.exceptions.UndefinedError: 'foo' is undefined r" c C s< | j d kr2| jtkr d| j S dt| j�| jf S d| j S )Nz{{ %s }}z {{ no such element: %s[%r] }}z!{{ undefined value printed: %s }})r� r� r r� r rD r" r" r% r� s �zDebugUndefined.__str__N)rC rF rG rH r� r� r" r" r" r% r� � s r� c @ s6 e Zd ZdZdZej Z Z Z Z Z Z Z ZdS )�StrictUndefinedas An undefined that barks on print and iteration as well as boolean tests and all kinds of comparisons. In other words: you can do nothing with it except checking if it's defined using the `defined` test. >>> foo = StrictUndefined(name='foo') >>> str(foo) Traceback (most recent call last): ... jinja2.exceptions.UndefinedError: 'foo' is undefined >>> not foo Traceback (most recent call last): ... jinja2.exceptions.UndefinedError: 'foo' is undefined >>> foo + 42 Traceback (most recent call last): ... jinja2.exceptions.UndefinedError: 'foo' is undefined r" N)rC rF rG rH r� rm r� r� r� r� r� r� r� r� r� r" r" r" r% r s �� �r )NNNN)NN)>rH r� � itertoolsr �typesr Z jinja2.nodesr r Z jinja2.utilsr r r r r r r r r Zjinja2.exceptionsr r r Zjinja2._compatr r r r r r r r �__all__r r �objectr� r� r r r8 r rK rM rL rQ rP Zcollections.abcr� �register� ImportError� collectionsr? r� r r� r rm r� r� r r� r" r" r" r% �<module> sv ,( � � 9 F'mU Q