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a d�h�$ � @ s� d Z ddlmZ ddlZddlZddlZddlmZmZ ddl m Z ddl m Z m Z mZmZ g d�ZG dd � d ed �ZG d d � d e�ZG d d� de�ZG dd� de�Zeeeddf ZG dd� de�ZdS )aW Implementations for the history of a `Buffer`. NOTE: There is no `DynamicHistory`: This doesn't work well, because the `Buffer` needs to be able to attach an event handler to the event when a history entry is loaded. This loading can be done asynchronously and making the history swappable would probably break this. � )� annotationsN)�ABCMeta�abstractmethod)�get_running_loop)�AsyncGenerator�Iterable�Sequence�Union)�History�ThreadedHistory� DummyHistory� FileHistory�InMemoryHistoryc @ sp e Zd ZdZdd�dd�Zdd�dd�Zd d�d d �Zd dd �dd�Zedd�dd��Z ed dd �dd��Z dS )r zg Base ``History`` class. This also includes abstract methods for loading/storing history. �None��returnc C s d| _ g | _d S )NF)�_loaded�_loaded_strings��self� r ��/root/rpmbuild/BUILDROOT/imh-python39-modules-3.9.7-92.el8.x86_64/opt/imh-python/lib/python3.9/site-packages/prompt_toolkit/history.py�__init__$ s zHistory.__init__�AsyncGenerator[str, None]c C s0 | j st| �� �| _d| _ | jD ] }|V q dS )a� Load the history and yield all the entries in reverse order (latest, most recent history entry first). This method can be called multiple times from the `Buffer` to repopulate the history when prompting for a new input. So we are responsible here for both caching, and making sure that strings that were were appended to the history will be incorporated next time this method is called. TN)r �list�load_history_stringsr )r �itemr r r �load0 s z History.loadz list[str]c C s | j ddd� S )zq Get the strings from the history that are loaded so far. (In order. Oldest item first.) N���)r r r r r � get_stringsB s zHistory.get_strings�str��stringr c C s | j �d|� | �|� dS )zAdd string to the history.r N)r �insert� store_string�r r" r r r � append_stringI s zHistory.append_string� Iterable[str]c c s dS )z� This should be a generator that yields `str` instances. It should yield the most recent items first, because they are the most important. (The history can already be used, even when it's only partially loaded.) Nr r r r r r R s z History.load_history_stringsc C s dS )z9 Store the string in persistent storage. Nr r% r r r r$ ^ s zHistory.store_stringN) �__name__� __module__� __qualname__�__doc__r r r r& r r r$ r r r r r s r )� metaclassc s� e Zd ZdZddd�� fdd� Zdd�d d �Zdd�d d �Zd dd�dd�Zdd�dd�Zd dd�dd�Z d d�dd�Z � Z S )r a$ Wrapper around `History` implementations that run the `load()` generator in a thread. Use this to increase the start-up time of prompt_toolkit applications. History entries are available as soon as they are loaded. We don't have to wait for everything to be loaded. r r )�historyr c s* t � �� || _d | _t�� | _g | _d S �N)�superr r- � _load_thread� threading�Lock�_lock�_string_load_events)r r- �� __class__r r r o s zThreadedHistory.__init__r r c s� �j s"tj�jdd��_ �j �� t� }t�� � � �� �j� � � d�z�|� d� fdd��I dH }|sjqJdd�� ��fd d � }|� d|�I dH \}}�t |�7 �|D ] }|V q�|rJq�qJW �j� � � n�j� � � 0 dS ) zn Like `History.load(), but call `self.load_history_strings()` in a background thread. T)�target�daemonr Nc s � j dd�S )Ng �?)�timeout)�waitr )�eventr r �<lambda>� � z&ThreadedHistory.load.<locals>.<lambda>ztuple[list[str], bool]r c sJ �j �, �j�d � } �j}� �� W d � n1 s80 Y | |fS r. )r3 r r �clear)� new_items�done�r; Z items_yieldedr r r � in_executor� s &z)ThreadedHistory.load.<locals>.in_executor) r0 r1 �Thread�_in_load_thread�startr �Event�setr4 �appendZrun_in_executor�len�remove)r �loopZ got_timeoutrB r? r@ r r rA r r ~ s2 � � zThreadedHistory.loadc C s� z�g | _ | j�� D ]J}| j� | j �|� W d � n1 s>0 Y | jD ] }|�� qNqW | j� d| _W d � n1 s�0 Y | jD ] }|�� q�nB| j� d| _W d � n1 s�0 Y | jD ] }|�� q�0 d S )NT)r r- r r3 rH r4 rG r )r r r; r r r rD � s * $ �$ z ThreadedHistory._in_load_threadr r! c C sB | j � | j�d|� W d � n1 s*0 Y | �|� d S )Nr )r3 r r# r$ r% r r r r& � s ,z ThreadedHistory.append_stringr' c C s | j �� S r. )r- r r r r r r � s z$ThreadedHistory.load_history_stringsc C s | j �|� d S r. )r- r$ r% r r r r$ � s z ThreadedHistory.store_stringc C s d| j �d�S )NzThreadedHistory(�))r- r r r r �__repr__� s zThreadedHistory.__repr__) r( r) r* r+ r r rD r& r r$ rM � __classcell__r r r5 r r e s 9r c sH e Zd ZdZdddd�� fdd� Zdd �d d �Zd dd �dd�Z� ZS )r z� :class:`.History` class that keeps a list of all strings in memory. In order to prepopulate the history, it's possible to call either `append_string` for all items or pass a list of strings to `__init__` here. NzSequence[str] | Noner )�history_stringsr c s( t � �� |d u rg | _n t|�| _d S r. )r/ r �_storager )r rO r5 r r r � s zInMemoryHistory.__init__r' r c c s | j d d d� E d H d S )Nr )rP r r r r r � s z$InMemoryHistory.load_history_stringsr r! c C s | j �|� d S r. )rP rH r% r r r r$ � s z InMemoryHistory.store_string)N�r( r) r* r+ r r r$ rN r r r5 r r � s r c @ s> e Zd ZdZdd�dd�Zddd�d d �Zddd�d d �Zd S )r zB :class:`.History` object that doesn't remember anything. r' r c C s g S r. r r r r r r � s z!DummyHistory.load_history_stringsr r r! c C s d S r. r r% r r r r$ � s zDummyHistory.store_stringc C s d S r. r r% r r r r& � s zDummyHistory.append_stringN)r( r) r* r+ r r$ r& r r r r r � s r zos.PathLike[str]zos.PathLike[bytes]c sF e Zd ZdZddd�� fdd� Zdd�d d �Zd dd �d d�Z� ZS )r zD :class:`.History` class that stores all strings in a file. �_StrOrBytesPathr )�filenamer c s || _ t� �� d S r. )rS r/ r )r rS r5 r r r s zFileHistory.__init__r' r c s� g �g � dd�� �fdd� }t j�| j�r�t| jd��V}|D ]:}|jddd�}|�d �rl� �|d d � � q<|� g � q<|� W d � n1 s�0 Y t��S ) Nr r c s$ � r d� � �d d� } ��| � d S )N� r )�joinrH )r" ��lines�stringsr r �add s z-FileHistory.load_history_strings.<locals>.add�rb�utf-8�replace)�errors�+� ) �os�path�existsrS �open�decode� startswithrH �reversed)r rY �fZ line_bytes�liner rV r r s $z FileHistory.load_history_stringsr r! c sz t | jd��Z� ddd�� fdd� }|dtj�� � d�� |�d�D ]}|d |� d�� qBW d � n1 sl0 Y d S ) N�abr r )�tr c s � � | �d�� d S )Nr[ )�write�encode)rj �rg r r rk - s z'FileHistory.store_string.<locals>.writez # � r^ )rc rS �datetime�now�split)r r" rk rh r rm r r$ ) s zFileHistory.store_stringrQ r r r5 r r s r )r+ � __future__r ro r` r1 �abcr r �asyncior �typingr r r r �__all__r r r r r �bytesrR r r r r r �<module> s Hv
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