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a o�h�2 � @ sp d Z ddlZddlZddlZddlZddlmZ ddl m Z m Z ddl m Z G dd� de�ZG dd � d e�ZdS ) zaDisplayhook for IPython. This defines a callable class that IPython uses for `sys.displayhook`. � N)� Configurable)�Instance�Float)�warnc s� e Zd ZdZeddd�Zeddd�Zed�Zd+� fd d � Z e d d � �Z d d� Z dd� Z edd� �Zdd� Zdd� Zdd� ZdZd,dd�dd �Zd d � Zd d � Zd!d"� Zd#d$� Zd-d%d&�Zd'd(� Zd)d*� Z� Z S ).� DisplayHookz�The custom IPython displayhook to replace sys.displayhook. This class does many things, but the basic idea is that it is a callable that gets called anytime user code returns a value. z1IPython.core.interactiveshell.InteractiveShellABCT)� allow_nonez-IPython.core.interactiveshell.ExecutionResultg�������?N�� c s� t t| �jf d|i|�� d}|dkr2d| _d}n*||k rVd| _d}td| dd� nd| _|| _|| _d\| _| _| _ | j| j| j d�}| jj � |� d S ) N�shell� r z6caching was disabled (min value for cache size is %s).)� stacklevel� �� r r ��_�__�___) �superr �__init__� do_full_cacher � cache_sizer r r r �user_ns�update)�selfr r �kwargsZcache_size_minZ to_user_ns�� __class__� ��/root/rpmbuild/BUILDROOT/imh-python39-modules-3.9.7-92.el8.x86_64/opt/imh-python/lib/python3.9/site-packages/IPython/core/displayhook.pyr $ s& ��zDisplayHook.__init__c C s | j jS �N)r �execution_count�r r r r � prompt_count= s zDisplayHook.prompt_countc C sL dt jv rHz*| jjd }|| jur(W dS | jjd= W n tyF Y n0 dS )z3Check if the user has set the '_' variable by hand.r N)� builtin_mod�__dict__r r r �KeyError)r Z user_valuer r r �check_for_underscoreF s z DisplayHook.check_for_underscorec C s2 z| j jjd }W n ty& Y dS 0 | �|�S )z2Should we silence the display hook because of ';'?���F)r �history_managerZinput_hist_parsed� IndexError� semicolon_at_end_of_expression)r �cellr r r �quietT s zDisplayHook.quietc C sp t �| �}tt�|j��}t|�D ]H}|d tjtjtj tj fv rDq"|d tj krd|d dkrd dS dS q"dS )z=Parse Python expression and detects whether last token is ';'r r �;TFN) �_io�StringIO�list�tokenize�generate_tokens�readline�reversed� ENDMARKER�NL�NEWLINE�COMMENT�OP)� expression�sio�tokens�tokenr r r r* ` s z*DisplayHook.semicolon_at_end_of_expressionc C s dS )z.Start the displayhook, initializing resources.Nr r! r r r �start_displayhooko s z DisplayHook.start_displayhookc C s4 t j�| jj� d�| jj�}| jr0t j�|� dS )zyWrite the output prompt. The default implementation simply writes the prompt to ``sys.stdout``. z Out[{}]: N)�sys�stdout�writer Z separate_out�formatr r )r Z outpromptr r r �write_output_prompts s z DisplayHook.write_output_promptc C s | j j�|�S )a� Compute format data of the object to be displayed. The format data is a generalization of the :func:`repr` of an object. In the default implementation the format data is a :class:`dict` of key value pair where the keys are valid MIME types and the values are JSON'able data structure containing the raw data for that MIME type. It is up to frontends to determine pick a MIME to to use and display that data in an appropriate manner. This method only computes the format data for the object and should NOT actually print or write that to a stream. Parameters ---------- result : object The Python object passed to the display hook, whose format will be computed. Returns ------- (format_dict, md_dict) : dict format_dict is a :class:`dict` whose keys are valid MIME types and values are JSON'able raw data for that MIME type. It is recommended that all return values of this should always include the "text/plain" MIME type representation of the object. md_dict is a :class:`dict` with the same MIME type keys of metadata associated with each output. )r �display_formatterrB �r �resultr r r �compute_format_data s z DisplayHook.compute_format_dataF)�returnc C sl d|vr dS |d }d|v r*| j s*d| }z t|� W n0 tyf t|�tjjd��tjj�� Y n0 dS )a Write the format data dict to the frontend. This default version of this method simply writes the plain text representation of the object to ``sys.stdout``. Subclasses should override this method to send the entire `format_dict` to the frontends. Parameters ---------- format_dict : dict The format dict for the object passed to `sys.displayhook`. md_dict : dict (optional) The metadata dict to be associated with the display data. � text/plainN� �backslashreplace)�prompt_end_newline�print�UnicodeEncodeError�encoder? r@ �encoding�decode)r � format_dict�md_dictZ result_reprr r r �write_format_data� s z DisplayHook.write_format_datac C s | j �r|| jjd u�rt| jjd �| j kr>| jr>| �� d}dd� tdd�D �D ].}|| jjvrhqVt| |�| jj�|�urVd}qV| j | _ | j | _ || _ dt j vr�|r�| jj| j | j | j d �dd � i }| j�rd | j }|||< | jj|dd � || jjd | j< d S ) z7Update user_ns with various things like _, __, _1, etc.�_ohTc S s g | ] }d | �qS )r r )�.0�ir r r � <listcomp>� � z.DisplayHook.update_user_ns.<locals>.<listcomp>r � Fr r )� interactivez_%sN)r r r �lenr � cull_cache�range�getattr�getr r r r# r$ �pushr" )r rF Z update_undersZundersZto_mainZ new_resultr r r �update_user_ns� s2 �� zDisplayHook.update_user_nsc C s | j d ur|| j _d S r )� exec_resultrF rE r r r �fill_exec_result� s z DisplayHook.fill_exec_resultc C sB d|vr dS | j jjr*| j j�|d d� |d | j jj| j< dS )zLog the output.rI N�output)r �logger� log_outputZ log_writer( Zoutput_hist_reprsr" )r rR r r r rg � s �zDisplayHook.log_outputc C s t j�| jj� t j�� dS )z%Finish up all displayhook activities.N)r? r@ rA r Z separate_out2�flushr! r r r �finish_displayhook� s z DisplayHook.finish_displayhookc C sp | � � |durl| �� sl| �� | �� | �|�\}}| �|� | �|� |rd| �||� | �|� | � � dS )z�Printing with history cache management. This is invoked every time the interpreter needs to print, and is activated by setting the variable sys.displayhook to it. N) r& r, r> rC rG rb rd rT rg ri �r rF rR rS r r r �__call__ s zDisplayHook.__call__c C s� | j j�di �}t|�}tt|| j �d�}tdj||d�� t t |��D ]4\}}||kr^ q�| j j� d| d� |� |d� qJdS )z-Output cache is full, cull the oldest entriesrU � zVOutput cache limit (currently {sz} entries) hit. Flushing oldest {cull_count} entries.)�sz� cull_countz_%iN) r r r` r\ �max�int� cull_fractionr rB � enumerate�sorted�pop)r �ohrm rn rW �nr r r r] s �zDisplayHook.cull_cachec C s� | j std��td| jd �D ]T}dt|� }z| jj|= W n tyN Y n0 z| jj|= W q typ Y q 0 q | jj� dd �}|d ur�|� � d\| _ | _ | _ dtjvr�| jj�| j | j | j d�� dd l}tjdkr�|�� d S ) NzJYou shouldn't have reached the cache flush if full caching is not enabled!r r rU r r r �cli)r � ValueErrorr^ r" �reprr Zuser_ns_hiddenr% r r` �clearr r r r# r$ r �gcr? �platformZcollect)r rv �keyru r{ r r r rh # s* zDisplayHook.flush)Nr )N)N) �__name__� __module__� __qualname__�__doc__r r rc r rq r �propertyr" r& r, � staticmethodr* r> rC rG rL rT rb rd rg ri rk r] rh � __classcell__r r r r r s6 �� !)$ r c @ s e Zd Zddd�Zddd�ZdS )�CapturingDisplayHookNc C s || _ |d u rg }|| _d S r )r �outputs)r r r� r r r r F s z CapturingDisplayHook.__init__c C s4 |d u r d S | j j�|�\}}| j�||d�� d S )N)�data�metadata)r rD rB r� �appendrj r r r rk L s z CapturingDisplayHook.__call__)N)N)r~ r r� r rk r r r r r� E s r� )r� �builtinsr# r? �ior. r1 Z traitlets.config.configurabler Z traitletsr r �warningsr r �objectr� r r r r �<module> s 0
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