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a d�h� � @ s� d Z ddlmZ ddlmZmZ ddlmZmZ ddl m Z ddl m Z ddl mZmZ erhdd lmZ g d �ZG d d � d �ZG d d� ded�ZG dd� de�ZG dd� de�ZG dd� de�ZG dd� de�ZG dd� de�ZdS )a) `Fish-style <http://fishshell.com/>`_ like auto-suggestion. While a user types input in a certain buffer, suggestions are generated (asynchronously.) Usually, they are displayed after the input. When the cursor presses the right arrow and the cursor is at the end of the input, the suggestion will be inserted. If you want the auto suggestions to be asynchronous (in a background thread), because they take too much time, and could potentially block the event loop, then wrap the :class:`.AutoSuggest` instance into a :class:`.ThreadedAutoSuggest`. � )� annotations)�ABCMeta�abstractmethod)� TYPE_CHECKING�Callable�� run_in_executor_with_context� )�Document)�Filter� to_filter)�Buffer)� Suggestion� AutoSuggest�ThreadedAutoSuggest�DummyAutoSuggest�AutoSuggestFromHistory�ConditionalAutoSuggest�DynamicAutoSuggestc @ s. e Zd ZdZddd�dd�Zdd�dd �Zd S ) r zb Suggestion returned by an auto-suggest algorithm. :param text: The suggestion text. �str�None)�text�returnc C s || _ d S �N�r )�selfr � r ��/root/rpmbuild/BUILDROOT/imh-python39-modules-3.9.7-92.el8.x86_64/opt/imh-python/lib/python3.9/site-packages/prompt_toolkit/auto_suggest.py�__init__. s zSuggestion.__init__�r c C s d| j � d�S )Nz Suggestion(�)r )r r r r �__repr__1 s zSuggestion.__repr__N)�__name__� __module__� __qualname__�__doc__r r! r r r r r ' s r c @ s8 e Zd ZdZedddd�dd��Zdddd�d d �Zd S ) r z9 Base class for auto suggestion implementations. r r �Suggestion | None��buffer�documentr c C s dS )a� Return `None` or a :class:`.Suggestion` instance. We receive both :class:`~prompt_toolkit.buffer.Buffer` and :class:`~prompt_toolkit.document.Document`. The reason is that auto suggestions are retrieved asynchronously. (Like completions.) The buffer text could be changed in the meantime, but ``document`` contains the buffer document like it was at the start of the auto suggestion call. So, from here, don't access ``buffer.text``, but use ``document.text`` instead. :param buffer: The :class:`~prompt_toolkit.buffer.Buffer` instance. :param document: The :class:`~prompt_toolkit.document.Document` instance. Nr �r r( r) r r r �get_suggestion: s zAutoSuggest.get_suggestion��buffr) r c � s | � ||�S )z� Return a :class:`.Future` which is set when the suggestions are ready. This function can be overloaded in order to provide an asynchronous implementation. �r+ �r r- r) r r r �get_suggestion_asyncK s z AutoSuggest.get_suggestion_asyncN)r" r# r$ r% r r+ r0 r r r r r 5 s r )� metaclassc @ sD e Zd ZdZddd�dd�Zddd d �d d �Zddd d �d d�ZdS )r z� Wrapper that runs auto suggestions in a thread. (Use this to prevent the user interface from becoming unresponsive if the generation of suggestions takes too much time.) r r )� auto_suggestr c C s || _ d S r )r2 )r r2 r r r r ] s z ThreadedAutoSuggest.__init__r r r& r, c C s | j �||�S r )r2 r+ r/ r r r r+ ` s z"ThreadedAutoSuggest.get_suggestionc � s$ dd�� ��fdd� }t |�I dH S )z@ Run the `get_suggestion` function in a thread. r& r c s �� � ��S r r. r �r- r) r r r �run_get_suggestion_threadj s zKThreadedAutoSuggest.get_suggestion_async.<locals>.run_get_suggestion_threadNr )r r- r) r4 r r3 r r0 c s z(ThreadedAutoSuggest.get_suggestion_asyncN�r" r# r$ r% r r+ r0 r r r r r V s r c @ s" e Zd ZdZdddd�dd�ZdS ) r z? AutoSuggest class that doesn't return any suggestion. r r r& r' c C s d S r r r* r r r r+ u s z DummyAutoSuggest.get_suggestionN�r" r# r$ r% r+ r r r r r p s r c @ s" e Zd ZdZdddd�dd�ZdS ) r z= Give suggestions based on the lines in the history. r r r& r' c C sr |j }|j�dd�d }|�� rntt|�� ��D ]<}t|�� �D ]*}|�|�r@t |t |�d � � S q@q0d S )N� r ���) �historyr �rsplit�strip�reversed�listZ get_strings� splitlines� startswithr �len)r r( r) r9 r �string�liner r r r+ ~ s z%AutoSuggestFromHistory.get_suggestionNr6 r r r r r y s r c @ s4 e Zd ZdZdddd�dd�Zdd d d �d d �ZdS )r zU Auto suggest that can be turned on and of according to a certain condition. r z bool | Filterr )r2 �filterr c C s || _ t|�| _d S r )r2 r rC )r r2 rC r r r r � s z ConditionalAutoSuggest.__init__r r r& r' c C s | � � r| j�||�S d S r )rC r2 r+ r* r r r r+ � s z%ConditionalAutoSuggest.get_suggestionN)r" r# r$ r% r r+ r r r r r � s r c @ sD e Zd ZdZddd�dd�Zddd d �d d �Zddd d �d d�ZdS )r z� Validator class that can dynamically returns any Validator. :param get_validator: Callable that returns a :class:`.Validator` instance. z Callable[[], AutoSuggest | None]r )�get_auto_suggestr c C s || _ d S r )rD )r rD r r r r � s zDynamicAutoSuggest.__init__r r r& r, c C s | � � p t� }|�||�S r )rD r r+ �r r- r) r2 r r r r+ � s z!DynamicAutoSuggest.get_suggestionc � s | � � p t� }|�||�I d H S r )rD r r0 rE r r r r0 � s z'DynamicAutoSuggest.get_suggestion_asyncNr5 r r r r r � s r N)r% � __future__r �abcr r �typingr r Zprompt_toolkit.eventloopr r) r �filtersr r r( r �__all__r r r r r r r r r r r �<module> s !
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