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Edit: compiler.cpython-37.pyc
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The return value is a set of all the undeclared names from the sequence of names found. )�UndeclaredNameVisitorr+ � VisitorExit� undeclared)r rd r> r% r- r- r. �find_undeclared� s rh c @ s* e Zd Zejejejf dd�dd�ZdS )�MacroRefN)r% r! c C s || _ d| _d| _d| _d S )NF)r% �accesses_caller�accesses_kwargs�accesses_varargs)r$ r% r- r- r. �__init__� s zMacroRef.__init__) �__name__� __module__� __qualname__r1 �Unionr �Macro� CallBlockrm r- r- r- r. ri � s ri c @ sd e Zd ZdZdeejd eje dd�dd�Zd d�dd�Z de d d �d d �Z d d�d d�Z e Z dS )r# z&Holds compile time information for us.N)r) �parent�levelr! c C s~ || _ || _|d kr4t|d�| _d| _d | _d | _n(t|j|d�| _|j| _|j| _|j| _d| _d| _d| _ d| _ d| _ d S )N)ru F) r) rt r �symbols�require_output_check�buffer�block�toplevel� rootlevel� loop_frame� block_frame� soft_frame)r$ r) rt ru r- r- r. rm � s zFrame.__init__)r! c C s2 t �tt�| j��}|j�| j� | j� � |_|S )z!Create a copy of the current one.) r1 r3 r# �object�__new__� __class__�__dict__�updaterv �copy)r$ �rvr- r- r. r� � s z Frame.copyF)�isolatedr! c C s& |rt | j| jjd d�S t | j| �S )zReturn an inner frame.r )ru )r# r) rv ru )r$ r� r- r- r. �inner� s z Frame.innerc C s | � � }d|_d|_|S )a& Return a soft frame. 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FT)r� r{ r~ )r$ r� r- r- r. �soft� s z Frame.soft)NN)F)rn ro rp �__doc__r r1 �OptionalrX rm r� rW r� r� �__copy__r- r- r- r. r# � s . c @ s e Zd ZdZdS )rf z?Exception used by the `UndeclaredNameVisitor` to signal a stop.N)rn ro rp r� r- r- r- r. rf � s rf c @ sT e Zd ZdZdd�dd�Zejdd�dd�Zejdd�d d �Z ej dd�d d �Z dS ) �DependencyFinderVisitorz.A visitor that collects filter and test calls.N)r! c C s t � | _t � | _d S )N)r_ �filters�tests)r$ r- r- r. rm � s z DependencyFinderVisitor.__init__)r% r! c C s | � |� | j�|j� d S )N)� generic_visitr� �addrC )r$ r% r- r- r. � visit_Filter s z$DependencyFinderVisitor.visit_Filterc C s | � |� | j�|j� d S )N)r� r� r� rC )r$ r% r- r- r. � visit_Test s z"DependencyFinderVisitor.visit_Testc C s dS )zStop visiting at blocks.Nr- )r$ r% r- r- r. � visit_Block s z#DependencyFinderVisitor.visit_Block) rn ro rp r� rm r �Filterr� �Testr� �Blockr� r- r- r- r. r� � s r� c @ sJ e Zd ZdZeje dd�dd�Zej dd�dd�Z ej dd�d d �Z dS ) re z�A visitor that checks if a name is accessed without being declared. 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If the current frame is no buffer a dummy ``if 0: yield None`` is written automatically. �passN)r� r+ r� )r$ r r& r% r- r- r. � blockvisit� s zCodeGenerator.blockvisit)�xr! c C s� | j rp| jsR| j�d| j � | j| j 7 _| jdk rR| j�| j| jf� d| _d| _| j�d| j � d| _ | j�|� dS )z&Write a string into the output stream.� NFz r ) r� r� rE r; r� r� r� �appendr� )r$ r� r- r- r. r; � s zCodeGenerator.writer )r� r% �extrar! c C s | � ||� | �|� dS )z!Combination of newline and write.N)�newliner; )r$ r� r% r� r- r- r. r� � s zCodeGenerator.writeline)r% r� r! c C s: t | jd| �| _|dk r6|j| jkr6|j| _|j| _dS )z/Add one or more newlines before the next write.r N)�maxr� r� r� r� )r$ r% r� r- r- r. r� � s zCodeGenerator.newline)r% r& � extra_kwargsr! c C s� t dd� tdd� |jD �|p d�D ��}x$|jD ]}| �d� | �||� q0W |s�x$|jD ]}| �d� | �||� qZW |dk r�x*|�� D ] \}}| �d|� d|� �� q�W |jr�| �d� | �|j|� |�r�|jdk r�| �d � n | �d � x8|jD ].}| �|j �d �� | �|j |� | �d� q�W |dk �rbx,|�� D ] \}}| �|�d |� d�� �q>W |jdk �r�| �d � | �|j|� | �d � n | �d� n$|jdk �r�| �d� | �|j|� dS )a+ Writes a function call to the stream for the current node. A leading comma is added automatically. The extra keyword arguments may not include python keywords otherwise a syntax error could occur. The extra keyword arguments should be given as python dict. c s s | ]}t t�t|��V qd S )N)�is_python_keywordr1 r3 r\ )rP rS r- r- r. rR � s z*CodeGenerator.signature.<locals>.<genexpr>c s s | ] }|j V qd S )N)�key)rP r� r- r- r. rR � s r- z, N�=z, *z , **dict({z, **{z: z}, **r8 �}z, **) �anyr r' �argsr; r+ rc Zdyn_argsZ dyn_kwargsr� rN ) r$ r% r& r� Zkwarg_workaround�arg�kwargr� rN r- r- r. � signature� sF zCodeGenerator.signature)r r! c C s t � }x|D ]}|�|� q W x�| j|jdf| j|jdffD ]�\}}}x�t|�D ]�}||krh| �� ||< | �d� | �� | �|| � d|� d|�d�� | �� | �d� | �� | �d� | �d || � d �� | �� | �d |d d � � d|�d�� | �� | �� qPW q<W d S )a� Find all filter and test names used in the template and assign them to variables in the compiled namespace. Checking that the names are registered with the environment is done when compiling the Filter and Test nodes. 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Primarily this sets up common local helpers and enforces a generator through a dead branch. z$resolve = context.resolve_or_missingz!undefined = environment.undefinedz cond_expr_undefined = Undefinedzif 0: yield NoneN)r� )r$ r- r- r. � write_commons� s zCodeGenerator.write_commonsc C s | j �|j�� � dS )aQ Pushes all parameter targets from the given frame into a local stack that permits tracking of yet to be assigned parameters. In particular this enables the optimization from `visit_Name` to skip undefined expressions for parameters in macros as macros can reference otherwise unbound parameters. N)r� r� rv Zdump_param_targets)r$ r& r- r- r. r� � s z(CodeGenerator.push_parameter_definitionsc C s | j �� dS )z+Pops the current parameter definitions set.N)r� �pop)r$ r- r- r. r� � s z'CodeGenerator.pop_parameter_definitions)r� r! c C s | j r| j d �|� dS )z�Marks a parameter in the current parameter definitions as stored. This will skip the enforced undefined checks. r� N)r� r� )r$ r� r- r- r. r� � s z#CodeGenerator.mark_parameter_storedc C s | j �|� d S )N)r� r� )r$ r� r- r- r. �push_context_reference� s z$CodeGenerator.push_context_referencec C s | j �� d S )N)r� r )r$ r- r- r. �pop_context_reference� s z#CodeGenerator.pop_context_referencec C s | j d S )Nr� )r� )r$ r- r- r. �get_context_ref� s z CodeGenerator.get_context_refc C s | j d }|dkrdS |� d�S )Nr� r� �resolvez.resolve)r� )r$ r� r- r- r. r� � s z CodeGenerator.get_resolve_funcc C s | � � � d| �|�� d�S )Nz .derived(r8 )r r� )r$ r& r- r- r. �derive_context� s z CodeGenerator.derive_contextc C s | j s dS || j d kS )z4Checks if a given target is an undeclared parameter.Fr� )r� )r$ r� r- r- r. �parameter_is_undeclared s z%CodeGenerator.parameter_is_undeclaredc C s | j �t� � dS )z+Pushes a new layer for assignment tracking.N)r� r� r_ )r$ r- r- r. �push_assign_tracking s z"CodeGenerator.push_assign_trackingc C s� | j �� }|js |js |jr |s$dS dd� |D �}t|�dkr�tt|��}|j� |�}|jrv| � d|�d|� �� dS |jr�| � d|�d|� �� dS | � d|�d|� �� n||jr�| � d � n |jr�| � d � n | � d � xBt |�D ]6\}}|r�| � d � |j� |�}| � |�d |� �� q�W | � d� |j�s�|j�s�|�r�t|�dk�rf| � d|d �d�� n"d � tt|��}| � d|� d�� dS )zoPops the topmost level for assignment tracking and updates the context variables if necessary. Nc S s g | ]}|d d� dkr|�qS )Nr �_r- )rP r� r- r- r. � <listcomp> s z5CodeGenerator.pop_assign_tracking.<locals>.<listcomp>r z _loop_vars[z] = z _block_vars[z context.vars[z_loop_vars.update({z_block_vars.update({zcontext.vars.update({z, z: z})zcontext.exported_vars.add(r r8 z context.exported_vars.update((z)))r� r r} r| rz r� �next�iterrv r� r� r� r; r� �mapr� )r$ r& �varsZ public_namesrC r� r� � names_strr- r- r. �pop_assign_tracking sB z!CodeGenerator.pop_assign_trackingc C s$ |d kst d��t| j| j�}ddlm}m} | jjrDt|| �}nt|�}| � d� | � dd� |� � | j rtdnd}|� t j�d k }xD|�t j�D ]4} | j| jkr�| �d | j�d �| j� | | j| j< q�W x�|�t j�D ]v} | j| jkr�| j} | �� | j| < } d | k�r<| �d d�\} }| � d | � d |� d| � �� q�| � d| � d| � �� q�W | � d| j��� | j | �d�� d|� d�dd� | �� | �� t |�}dt |j d�k�r�|j � d�}| � |� d�� |j �!|� d |_"|_#|�o�| j$ |_%|�r| � d� | �&|� | �'|j � | �(|j |� | j)|dd� | �*� |�r�| j$�s`| �� | � d� | �� | jj�s~| � d � n$| � d � | �� | � d � | �*� | �*d| j$ � �x| j�+� D �]\}} | � | �d | �� d|� d�| d� | �� | �� t |�}d|_,t | j d �}d|k�r@|j � d�}| � |� d�� d!|k�rr|j � d!�}| � |� d"|�d#|� d$�� |j �!| � ||_-| � d%� | �&|� | �'| j � | �(| j |� | j)|dd� | �*� �q�W d� d&d'� | jD ��}| j d(|� d)�dd� d*� d+d'� | j.D ��}| � d,|��� d S )-Nzno root frame allowedr )�exported�async_exportedz%from __future__ import generator_stopzfrom jinja2.runtime import z, r� z, environment=environmentzblock z defined twice�.zfrom z import z as zimport zname = �rootz(context, missing=missingz):)r� r$ )r$ z = TemplateReference(context)Tzparent_template = None)r� z if parent_template is not None:z4yield from parent_template.root_render_func(context)z=async for event in parent_template.root_render_func(context):z yield eventZblock_)r$ �superr z = context.super(z, block_r8 z_block_vars = {}c s s | ]}|�d |� �V qdS )z: block_Nr- )rP r� r- r- r. rR � s z/CodeGenerator.visit_Template.<locals>.<genexpr>z blocks = {r� �&c s s | ]\}}|� d |� �V qdS )r� Nr- )rP rS rQ r- r- r. rR � s z debug_info = )/�AssertionErrorr r9 rC Zruntimer r r� r� r� r� rF �findr �Extends�find_allr� r� r� r� � ImportedName� importnamer� r� �rsplitr� r� r� r# rh r� rv r� r� rz r{ r� rw r� r� r� r� r� rc r} ry r� )r$ r% r& r) r r Zexported_namesZenvenvZ have_extendsry �import_�imp�alias�module�objr� rC r} rg Z blocks_kv_strZ debug_kv_strr- r- r. �visit_Template9 s� z CodeGenerator.visit_Templatec C s d}|j r8| jrdS | jdkr8| �d� | �� |d7 }|jrJ| �|�}n| �� }|jr�| �d|j �d�|� | �� | �d|j �d�|� | � � | j j s�|j dkr�| �d |j �d |� d �|� n@| �| �� � d |j �d |� d �|� | �� | �d|� | � � | � |� dS )z.Call a block and register it for the template.r Nzif parent_template is None:r zif len(context.blocks[z]) <= 1:z+raise TemplateRuntimeError("Required block z not found")zyield from context.blocks[z][0](r8 z for event in context.blocks[z):�event)rz r� r� r� r� �scopedr r �requiredrC r� r9 r� rx r� r� )r$ r% r& ru r� r- r- r. r� � s8 zCodeGenerator.visit_Blockc C s� |j s| �d|j� | jdkrV| js6| �d� | �� | �d� | jrNt� �n| �� | �d|� | � |j |� | � d| j �d�� | �d� | �� | �d � | �� |j r�d | _| jd 7 _d S ) zCalls the extender.z,cannot use extend from a non top-level scoper z if parent_template is not None:z5raise TemplateRuntimeError("extended multiple times")z+parent_template = environment.get_template(z, r8 z9for name, parent_block in parent_template.blocks.items():z8context.blocks.setdefault(name, []).append(parent_block)Tr N)rz r� r� r� r� r� r� r� r� r+ �templater; rC r{ )r$ r% r& r- r- r. � visit_Extends� s( zCodeGenerator.visit_Extendsc C sp |j r| �d� | �� d}t|jtj�rVt|jjt�r>d}qnt|jjt t f�rnd}nt|jtj tj f�rnd}| �d|� d�|� | � |j|� | �d| j�d�� |j r�| �� | �d � | �� | �d � | �� | �d � | �� d }|j�r| �| �� � d | �|�� d�� n$| jj�r,| �d� n| �d� d}|�s\| �� | �d|� | �� |j �rl| �� dS )zHandles includes.ztry:Zget_or_select_templateZ get_templateZselect_templateztemplate = environment.r6 z, r8 zexcept TemplateNotFound:r� zelse:FzUfor event in template.root_render_func(template.new_context(context.get_all(), True, z)):zGfor event in (await template._get_default_module_async())._body_stream:z6yield from template._get_default_module()._body_streamTr# N)Zignore_missingr� r� rH r& r �ConstrN r\ r] r^ �Tuple�Listr+ r; rC r� � with_contextr� r� r9 r� r� )r$ r% r& � func_nameZskip_event_yieldr- r- r. � visit_Include sJ zCodeGenerator.visit_Includec C s� | � | �d�� d�� | �|j|� | � d| j�d�� |jrld| �d�� �}| � |� d| �|�� d�� n| � d | �d�� d �� d S ) Nzawait zenvironment.get_template(z, z).Z make_moduleZ_asyncz(context.get_all(), True, r8 Z_get_default_modulez (context))r; r� r+ r& rC r+ r� )r$ r% r& �f_namer- r- r. �_import_common9 s z CodeGenerator._import_commonc C sl | � |j�|j�� d�|� |jr6| �d|j�d�� | �||� |jrh|j�d�sh| � d|j�d�� dS )zVisit regular imports.z = z context.vars[z] = r z context.exported_vars.discard(r8 N)r� rv r� r� rz r; r/ � startswith)r$ r% r& r- r- r. � visit_ImportH s zCodeGenerator.visit_Importc s� | � |� | �d� | �|� � g }g }x�|jD ]�}t|t�rH|\}}n|}| �� j�|�� d|�d�� | �d� j�|�� d�� | � � d| � |�� d|��}| �� j�|�� d|�d |�d �� | � � � j r0|� |� |�d �s0|� |� q0W |�r\t|�d k�r2|d }| �d|�d� j�|�� �� n*d�� fdd�|D ��}| �d|� d�� |�r�t|�d k�r�| �d|d �d �� n"d�tt|��} | �d| � d�� dS )zVisit named imports.zincluded_template = z = getattr(included_template, z , missing)zif z is missing:z9the template {included_template.__name__!r} (imported on z%) does not export the requested name z = undefined(fz, name=r8 r r r z context.vars[z] = z, c 3 s$ | ] }|�d � j �|�� �V qdS )z: N)rv r� )rP rC )r& r- r. rR y s z1CodeGenerator.visit_FromImport.<locals>.<genexpr>zcontext.vars.update({z})z context.exported_vars.discard(z)context.exported_vars.difference_update((z))N)r� r; r/ rd rH r] r� rv r� r� r� r� rz r� r0 r� r� r r� ) r$ r% r& Z var_namesZdiscarded_namesrC r �messageZnames_kvr r- )r& r. �visit_FromImportS sD z CodeGenerator.visit_FromImportc C s� |� � }d|_|� � }|� � }|jpRdt|jdd�d�kpRtdd� |�tj�D ��}d }|rh|j � d�}|j j |dd � |j r�|j j |d d � |j �r�| �� }|j j |d d � | �| �|�� d �|j � | �� | �|� | �| �d d�� | �|j|� | �d� | �| �dd�� | �d� | �� | �d|j � | �|j |� | �d� | �� | �d� | �|j|� | �d� | j|dd� |j�r�| �| �d�� d�|� | �� | �|� |j|_|�r�| �|� d�� x<|�tj�D ],} | jdk�r�| j dk�r�| � d| j � �q�W |j �r4| �� } | �| � d�� | �| �d d�|� | �|j|� |�r|| �d |� d| �d �� d �� n | �d� |j �r�| �|� d �� |j�r�| �d � nB| j j �r�|�s�| �d!� | �|j!|� | j j �r�|�s�| �d"� |j �r| �d"� |j�r| �d#� n| �|�r(d$nd� | �� | �|� | �d%� | �"|j#|� |j �rp| �| � d&�� | �� | j||j�o�|j d� |j �r�| �d| � d�� | �� | �|� | �"|j |� | �|� | �� |j�rd| �$|� | �� | �%||� | �| �d'�� d(�� | j j �r.| �d!� | �|j!|� | j j �rP| �d"� | �d)� | �&|� | j'�r�| j'd* �(|j j)� d S )+NT�loop)r� )�only)r4 c s s | ] }|j V qd S )N)r$ )rP ry r- r- r. rR � s z*CodeGenerator.visit_For.<locals>.<genexpr>r� )Z for_branch�else�testz(fiter):z async for zfor z in zauto_aiter(fiter)Zfiter�:zif zyield � )r� z%(reciter, loop_render_func, depth=0):z = missing�storez8Can't assign to special loop variable in for-loop targetz = 1z, ZAsyncz LoopContext(r6 Zreciterz auto_aiter(r8 z&, undefined, loop_render_func, depth):z , undefined):z_loop_vars = {}z = 0zawait zloop(z, loop)r� )*r� r| � recursiverh �iter_child_nodesr� r r r� rv r� r� �else_r7 r� r� r� r� r� r� r+ r� r; r� r� rx r� r� rC r� r� r9 r� r r� r� r� r� r� r� �difference_updateZstores) r$ r% r& r| Z test_frameZ else_frameZ extended_loopZloop_refZloop_filter_funcrC Ziteration_indicatorr- r- r. � visit_For� s� zCodeGenerator.visit_Forc C s� |� � }| �d|� | �|j|� | �d� | �� | �|j|� | �� xP|j D ]F}| �d|� | �|j|� | �d� | �� | �|j|� | �� qRW |j r�| �d� | �� | �|j |� | �� d S )Nzif r8 zelif zelse:) r� r� r+ r7 r; r� r� r� r� �elif_r= )r$ r% r& Zif_framer@ r- r- r. �visit_If s& zCodeGenerator.visit_Ifc C s| | � ||�\}}| �� |jrR|j�d�s>| �d|j�d�� | �d|j�d�� | �|j�|j�� d�� | � ||� d S )Nr zcontext.exported_vars.add(r8 z context.vars[z] = z = ) r� r� rz rC r0 r; r� rv r� r� )r$ r% r& Z macro_framer� r- r- r. � visit_Macro% s zCodeGenerator.visit_Macroc C sR | � ||�\}}| �d� | �||� | �||� | j|j|dd� | �|� d S )Nz caller = T)�forward_caller)r� r� r� r� � visit_Call�callr� )r$ r% r& Z call_framer� r- r- r. �visit_CallBlock/ s z CodeGenerator.visit_CallBlockc C sh |� � }|j�|� | �|� | �|� | �|j|� | �||� | �|j |� | � |� | � |� d S )N) r� rv r� r� rx r� r� r� r� �filterr� r� )r$ r% r& Z filter_framer- r- r. �visit_FilterBlock7 s z CodeGenerator.visit_FilterBlockc C s� |� � }|j�|� | �|� xDt|j|j�D ]2\}}| �� | �||� | � d� | �||� q.W | � |j |� | � |� d S )Nz = ) r� rv r� r� �zip�targets�valuesr� r+ r; r� r� r� )r$ r% r& Z with_framer� �exprr- r- r. � visit_WithB s zCodeGenerator.visit_Withc C s | � |� | �|j|� d S )N)r� r+ r% )r$ r% r& r- r- r. �visit_ExprStmtN s z CodeGenerator.visit_ExprStmtc @ s4 e Zd ZU ejejdef ed< eje ed< dS )zCodeGenerator._FinalizeInfo.�const�srcN)rn ro rp r1 r� �Callabler\ �__annotations__r- r- r- r. � _FinalizeInfoR s rS )rN r! c C s t | �S )z�The default finalize function if the environment isn't configured with one. Or, if the environment has one, this is called on that function's output for constants. )r\ )rN r- r- r. �_default_finalizeV s z CodeGenerator._default_finalize� _finalizec s� �j dk r�j S �j }� d}�jjr�d}�jj�tjdtjdtjdi�t����}d}|dkr|t j t j d�� �fdd� }n2|� |� d �}|dkr�t j t j d�� ��fd d� }�� ||��_ �j S ) a� Build the finalize function to be used on constants and at runtime. Cached so it's only created once for all output nodes. Returns a ``namedtuple`` with the following attributes: ``const`` A function to finalize constant data at compile time. ``src`` Source code to output around nodes to be evaluated at runtime. Nzenvironment.finalize(r� zcontext.eval_ctxr9 )rN r! c s � �| ��S )Nr- )rN )r� � env_finalizer- r. �finalize� s z.CodeGenerator._make_finalize.<locals>.finalizez, c s � ��j | ��S )N)r9 )rN )r� rV r$ r- r. rW � s ) rU rT r9 rW r r� � eval_context�get�from_objr1 r2 rS )r$ rW rP �pass_argr- )r� rV r$ r. �_make_finalize` s& z CodeGenerator._make_finalize)�groupr! c C s t t|��S )z�Given a group of constant values converted from ``Output`` child nodes, produce a string to write to the template module source. )r� r )r$ r] r- r- r. �_output_const_repr� s z CodeGenerator._output_const_repr)r% r& rW r! c C s: |� |j�}|jjr t|�}t|tj�r0t|�S |�|�S )aC Try to optimize a child of an ``Output`` node by trying to convert it to constant, finalized data at compile time. If :exc:`Impossible` is raised, the node is not constant and will be evaluated at runtime. Any other exception will also be evaluated at runtime for easier debugging. ) �as_constr) r� r rH r � TemplateDatar\ rO )r$ r% r& rW rO r- r- r. �_output_child_to_const� s z$CodeGenerator._output_child_to_constc C sL |j jr| �d� n |j jr(| �d� n | �d� |jdk rH| �|j� dS )zXOutput extra source code before visiting a child of an ``Output`` node. z1(escape if context.eval_ctx.autoescape else str)(zescape(zstr(N)r) r* r; r� rP )r$ r% r& rW r- r- r. �_output_child_pre� s z CodeGenerator._output_child_prec C s" | � d� |jdk r | � d� dS )zWOutput extra source code after visiting a child of an ``Output`` node. r8 N)r; rP )r$ r% r& rW r- r- r. �_output_child_post� s z CodeGenerator._output_child_postc C s� |j r"| jrd S | �d� | �� | �� }g }x�|jD ]�}y,|jsVt|tj�sVt� � �| � |||�}W n& tj t fk r� |� |� w6Y nX |r�t|d t �r�|d � |� q6|� |g� q6W |jd k �rt|�dkr�| �|j� d�� n| �|j� d�� | �� x�|D ]�}t|t ��rR| �|�}|jd k�rB| �d| � n| �|d � nb|jd k�rl| �d|� n | �|� | �|||� | �||� | �|||� |jd k �r | �d� �q W |jd k �r�| �� | �t|�dk�r�dnd � |j �r�| �� d S ) Nzif parent_template is None:r� r z.append(z .extend((zyield r� r8 z)))rw r� r� r� r\ r rO rH r` � Impossiblera � Exceptionr� r^ rx r� r^ r� rb r+ rc r; r� ) r$ r% r& rW r� �childrO �item�valr- r- r. � visit_Output� sV zCodeGenerator.visit_Outputc C sF | � � | �|� | �|j|� | �d� | �|j|� | �|� d S )Nz = )r r� r+ r� r; r% r )r$ r% r& r- r- r. � visit_Assign s zCodeGenerator.visit_Assignc C s� | � � |�� }d|_|j�|� | �|� | �|� | �|j|� | � |� | � |j |� | � d� |j d k r�| �|j |� n| � d|j� d�� | � d� | �|� | �|� d S )NFz9 = (Markup if context.eval_ctx.autoescape else identity)(zconcat(r8 )r r� rw rv r� r� rx r� r� r� r+ r� r; rG r� r r� )r$ r% r& r} r- r- r. �visit_AssignBlock s z CodeGenerator.visit_AssignBlockc C s� |j dkr4|js |js |jr4| jr4| jd �|j� |j�|j�}|j dkr�|j� |�}|d k rv|d t krv| � |�r�| � d|j�d|� d|� d�� d S | � |� d S ) Nr: r� r� r z(undefined(name=z) if z is missing else r8 ) r� rz r| r} r� r� rC rv r� Z find_loadr r r; )r$ r% r& r� r� r- r- r. r� 6 s zCodeGenerator.visit_Namec C sV |j �|j�}| �d|� d�� | �� | �d� | �� | �|� d|j�d�� d S )Nzif not isinstance(z , Namespace):zMraise TemplateRuntimeError("cannot assign attribute on non-namespace object")r� r� )rv r� rC r� r� r� �attr)r$ r% r& r� r- r- r. � visit_NSRefO s zCodeGenerator.visit_NSRefc C s8 |� |j�}t|t�r&| �t|�� n| �t|�� d S )N)r_ r) rH rY r; r\ r� )r$ r% r& rh r- r- r. � visit_Const] s zCodeGenerator.visit_Constc C sJ y| � t|�|j��� W n* tjk rD | � d|j�d�� Y nX d S )Nz6(Markup if context.eval_ctx.autoescape else identity)(r8 )r; r� r_ r) r rd �data)r$ r% r& r- r- r. �visit_TemplateDatad s z CodeGenerator.visit_TemplateDatac C sZ | � d� d}x0t|j�D ]"\}}|r0| � d� | �||� qW | � |dkrPdnd� d S )Nr6 r� z, r z,)r8 )r; r� rc r+ )r$ r% r& r� rg r- r- r. � visit_Tuplel s zCodeGenerator.visit_Tuplec C sJ | � d� x0t|j�D ]"\}}|r,| � d� | �||� qW | � d� d S )Nr� z, r� )r; r� rc r+ )r$ r% r& r� rg r- r- r. � visit_Listu s zCodeGenerator.visit_Listc C sd | � d� xJt|j�D ]<\}}|r,| � d� | �|j|� | � d� | �|j|� qW | � d� d S )Nr� z, z: r� )r; r� rc r+ r� rN )r$ r% r& r� rg r- r- r. � visit_Dict} s zCodeGenerator.visit_Dict�+�-�*�/z//z**�%�and�orznot c C sd |j jrd}n|j jr d}nd}| �|� d�� x$|jD ]}| �||� | �d� q8W | �d� d S )Nz8(markup_join if context.eval_ctx.volatile else str_join)Z markup_joinZstr_joinz((z, z)))r) r* r� r; r r+ )r$ r% r& r, r� r- r- r. � visit_Concat� s zCodeGenerator.visit_Concatc C sB | � d� | �|j|� x|jD ]}| �||� q W | � d� d S )Nr6 r8 )r; r+ rL Zops)r$ r% r& r5 r- r- r. � visit_Compare� s zCodeGenerator.visit_Comparec C s* | � dt|j � d�� | �|j|� d S )Nr7 )r; � operatorsr5 r+ rL )r$ r% r& r- r- r. � visit_Operand� s zCodeGenerator.visit_Operandc C sT | j jr| �d� | �d� | �|j|� | �d|j�d�� | j jrP| �d� d S )Nz(await auto_await(zenvironment.getattr(z, r8 z)))r9 r� r; r+ r% rl )r$ r% r& r- r- r. � visit_Getattr� s zCodeGenerator.visit_Getattrc C s� t |jtj�r@| �|j|� | �d� | �|j|� | �d� n^| jjrR| �d� | �d� | �|j|� | �d� | �|j|� | �d� | jjr�| �d� d S )Nr� r� z(await auto_await(zenvironment.getitem(z, r8 z))) rH r� r �Slicer+ r% r; r9 r� )r$ r% r& r- r- r. � visit_Getitem� s zCodeGenerator.visit_Getitemc C s` |j d k r| �|j |� | �d� |jd k r:| �|j|� |jd k r\| �d� | �|j|� d S )Nr8 )�startr+ r; �stopr� )r$ r% r& r- r- r. � visit_Slice� s zCodeGenerator.visit_Slice)r% r& � is_filterr! c c s | j jr| �d� |r@| �| j|j � d�� | j j�|j�}n(| �| j|j � d�� | j j�|j�}|d kr�|js�|r~dnd}| �d|� d|j�d�|j � t j dt j d t j d i�t � |��}|d k r�| �|� d �� d V | �||� | �d � | j j�r | �d � d S ) Nzawait auto_await(r6 rG r7 zNo z named r r� zcontext.eval_ctxr9 z, r8 )r9 r� r; r� rC rY r� r~ r� r� r r� rX rZ r� )r$ r% r& r� r� Z type_namer[ r- r- r. �_filter_test_common� s* z!CodeGenerator._filter_test_commonc C s� | � ||d��x |jd k r*| �|j|� nX|jjrP| �d|j� d|j� d�� n2|jjrn| �d|j� d�� n| �d|j� d�� W d Q R X d S )NTz(Markup(concat(z.)) if context.eval_ctx.autoescape else concat(z))zMarkup(concat(zconcat(r8 )r� r% r+ r) r* r; rx r� )r$ r% r& r- r- r. r� s zCodeGenerator.visit_Filterc C s, | � ||d�� | �|j|� W d Q R X d S )NF)r� r+ r% )r$ r% r& r- r- r. r� s zCodeGenerator.visit_Testc sl � � � � d d�� ��fdd� }��d� ���j� � ��d� ���j� � ��d� |� ��d� d S )N)r! c s8 �j d k r ���j � � d S ��d����� d�� d S )Nz1cond_expr_undefined("the inline if-expression on z6 evaluated to false and no else section was defined."))Zexpr2r+ r; r� r- )r& r% r$ r- r. � write_expr2 s z1CodeGenerator.visit_CondExpr.<locals>.write_expr2r6 z if z else r8 )r� r; r+ Zexpr1r7 )r$ r% r& r� r- )r& r% r$ r. �visit_CondExpr s z CodeGenerator.visit_CondExpr)r% r& rC r! c C s� | j jr| �d� | j jr&| �d� n | �d� | �|j|� |rJddind }|jr\ddini }|jrnddini }|r�|j|f|� n|s�|r�t |f|�}| � |||� | �d� | j jr�| �d� d S )Nzawait auto_await(zenvironment.call(context, z context.call(r� Z _loop_varsZ _block_varsr8 ) r9 r� r; r: r+ r% r| r} r� rb r� )r$ r% r& rC r� Z loop_kwargsZ block_kwargsr- r- r. rD 0 s" zCodeGenerator.visit_Callc C s" | � |jd � | �|j|� d S )Nr� )r; r� r+ rN )r$ r% r& r- r- r. � visit_KeywordG s zCodeGenerator.visit_Keywordc C s& | � d� | �|j|� | � d� d S )NzMarkup(r8 )r; r+ rL )r$ r% r& r- r- r. �visit_MarkSafeM s z CodeGenerator.visit_MarkSafec C s& | � d� | �|j|� | � d� d S )Nz6(Markup if context.eval_ctx.autoescape else identity)(r8 )r; r+ rL )r$ r% r& r- r- r. �visit_MarkSafeIfAutoescapeR s z(CodeGenerator.visit_MarkSafeIfAutoescapec C s | � d|j � d S )Nz environment.)r; rC )r$ r% r& r- r- r. �visit_EnvironmentAttributeY s z(CodeGenerator.visit_EnvironmentAttributec C s | � d|j�d|j� �� d S )Nzenvironment.extensions[z].)r; � identifierrC )r$ r% r& r- r- r. �visit_ExtensionAttribute^ s z&CodeGenerator.visit_ExtensionAttributec C s | � | j|j � d S )N)r; r� r )r$ r% r& r- r- r. �visit_ImportedNamec s z CodeGenerator.visit_ImportedNamec C s | � |j� d S )N)r; rC )r$ r% r& r- r- r. �visit_InternalNamef s z CodeGenerator.visit_InternalNamec C s | � d� d S )Nr� )r; )r$ r% r& r- r- r. �visit_ContextReferencei s z$CodeGenerator.visit_ContextReferencec C s | � | �|�� d S )N)r; r )r$ r% r& r- r- r. � visit_DerivedContextReferencen s z+CodeGenerator.visit_DerivedContextReferencec C s | � d|� d S )N�continue)r� )r$ r% r& r- r- r. �visit_Continues s z CodeGenerator.visit_Continuec C s | � d|� d S )N�break)r� )r$ r% r& r- r- r. � visit_Breakv s zCodeGenerator.visit_Breakc C s: |� � }|j�|� | �|� | �|j|� | �|� d S )N)r� rv r� r� r� r� r� )r$ r% r& � scope_framer- r- r. � visit_Scopey s zCodeGenerator.visit_Scopec C s� | � � }| �|� d| �|�� �� | �|� d�� | �|j|� | �|� |jdd�}|j�|� | � |� | � |j |� | � |� | � � d S )Nz = z.vars = T)r� )r� r� r r+ r� r r� rv r� r� r� r� r� r )r$ r% r& r� r� r- r- r. �visit_OverlayScope� s z CodeGenerator.visit_OverlayScopec C sx xr|j D ]h}| �d|j� d�� | �|j|� y|j�|j�}W n tjk r^ d|j_ Y qX t |j|j|� qW d S )Nzcontext.eval_ctx.z = T) �optionsr� r� r+ rN r_ r) r rd r* �setattr)r$ r% r& �keywordrh r- r- r. �visit_EvalContextModifier� s z'CodeGenerator.visit_EvalContextModifierc C sl | � � }|j�� }| �|� d�� | �||� x|jD ]}| �||� q6W |j�|� | �d|� d�� d S )Nz = context.eval_ctx.save()zcontext.eval_ctx.revert(r8 )r� r) Zsaver� r� r� r+ Zrevert)r$ r% r& Z old_ctx_nameZ saved_ctxrf r- r- r. � visit_ScopedEvalContextModifier� s z-CodeGenerator.visit_ScopedEvalContextModifier)NFT)F)r )N)N)Nr )Nr )N)F)r� r� )N)F)�rn ro rp r1 r� r\ �TextIOrW rm �propertyrG rX r� r� r# rx r� r� r� r �Noder� r� r� r� r� r; r� r� rq �Callr� r� �Mappingr2 r� r� r� r� r� r� rr rs r) ri r� r� r� r� r� r� r� r� r r r r� r r r r rI r" r� r� r r' �Includer- �ImportZ FromImportr/ r1 r3 �Forr? �IfrA rB rF Z FilterBlockrH �WithrM ZExprStmtrN � NamedTuplerS � staticmethodrT rU rR r\ r^ r0 ra rb rc ZOutputri �Assignrj Z AssignBlockrk r� r� ZNSRefrm r( rn r` rp rq r* rr �Dictrs r@ Z visit_AddZ visit_SubZ visit_MulZ visit_DivZvisit_FloorDivZ visit_PowZ visit_ModZ visit_AndZvisit_OrrB Z visit_PosZ visit_NegZ visit_Notr4 ZConcatr{ �Comparer| ZOperandr~ ZGetattrr ZGetitemr� r� r� r �Iteratorr� r� r� ZCondExprr� rD �Keywordr� ZMarkSafer� ZMarkSafeIfAutoescaper� ZEnvironmentAttributer� ZExtensionAttributer� r r� Z InternalNamer� ZContextReferencer� ZDerivedContextReferencer� �Continuer� �Breakr� ZScoper� Z OverlayScoper� ZEvalContextModifierr� ZScopedEvalContextModifierr� r- r- r- r. r" , s "A ,4+Q .u++4 2 0 O ' )NFT)Fr� �typingr1 � contextlibr � functoolsr �ior � itertoolsr r� r r� Z markupsafer r r� r � exceptionsr Z idtrackingr r r r r r r( r �utilsr r r> r � TYPE_CHECKINGZtyping_extensions�ter9 r �TypeVarrQ r2 r r} r4 r\ r? r@ rA rB rI r� r� rW rM rO r� r� �Setrh ri r# � RuntimeErrorrf r� re re r� r" r- r- r- r. �<module> sd " & S
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