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N)r" �remover( r$ r$ r% �remove_handler] s zEvent.remove_handlerzEvent[_Sender]c C s | � |� | S )zC `event += handler` notation for adding a handler. )r- r( r$ r$ r% �__iadd__d s zEvent.__iadd__c C s | � |� | S )zE `event -= handler` notation for removing a handler. )r/ r( r$ r$ r% �__isub__k s zEvent.__isub__)N) �__name__� __module__� __qualname__�__doc__r& r) r+ r- r/ r0 r1 r$ r$ r$ r% r - s � r c @ s. e Zd ZdZdd�dd�Zddd�dd �Zd S ) r z5 (contextlib.nested is not available on Py3) r r' c C s d S r! r$ r* r$ r$ r% � __enter__x s zDummyContext.__enter__�object)�ar c G s d S r! r$ )r# r8 r$ r$ r% �__exit__{ s zDummyContext.__exit__N)r2 r3 r4 r5 r6 r9 r$ r$ r$ r% r s s r c s> e Zd ZdZdZdZdd�� fdd� Zdd d �d d �Z� ZS ) �_CharSizesCachez" Cache for wcwidth sizes. �@ � r r' c s t � �� t� | _d S r! )�superr& r � _long_stringsr* �� __class__r$ r% r& � s z_CharSizesCache.__init__�str�int��stringr c s� t |�dkr tdt|��}nt� fdd�|D ��}|� |< t |�� jkr|� j}|�|� t |�� jkr||�� }|� v r|� |= |S )N� r c 3 s | ]}� | V qd S r! r$ )�.0�cr* r$ r% � <genexpr>� � z._CharSizesCache.__missing__.<locals>.<genexpr>) �len�maxr �sum�LONG_STRING_MIN_LENr> r, �MAX_LONG_STRINGS�popleft)r# rD �resultZ long_stringsZ key_to_remover$ r* r% � __missing__� s z_CharSizesCache.__missing__) r2 r3 r4 r5 rM rN r& rQ � __classcell__r$ r$ r? r% r: s r: rA rB rC c C s t | S )z? Return width of a string. Wrapper around ``wcwidth``. )�_CHAR_SIZES_CACHE)rD r$ r$ r% r � s r �boolr' c C s t td�S )z� Returns `True` when the Python implementation supports suspend-to-background. This is typically `False' on Windows systems. �SIGTSTP)�hasattr�signalr$ r$ r$ r% r � s r c C s t jdkS )z) True when we are using Windows. �win32)�sys�platformr$ r$ r$ r% r � s r c C s t jdkr ddlm} | � S dS )zS True when we are using Windows, but VT100 escape sequences are supported. rX r ��is_win_vt100_enabledF)rY rZ Z prompt_toolkit.output.windows10r\ r[ r$ r$ r% �is_windows_vt100_supported� s r] c C s t jdkotj�dd�dkS )z7 True when the ConEmu Windows console is used. rX Z ConEmuANSIZOFF�ON)rY rZ �os�environ�getr$ r$ r$ r% r � s r c C s t �� jjdkS )z: True when the current thread is the main thread. � _MainThread)� threading�current_threadr@ r2 r$ r$ r$ r% r � s r c C s t j�dd�} | �� dv S )zD True if env variable is set to true (true, TRUE, True, 1). ZPROMPT_TOOLKIT_BELL�true)�1re )r_ r` ra �lower��valuer$ r$ r% r � s r c C s t j�dd�S )z&Return the $TERM environment variable.�TERM� )r_ r` ra r$ r$ r$ r% r � s r �_Tzlist[_T]z list[int]zGenerator[_T, None, None])�items�weightsr c c s� t | �t |�ksJ �t | �dks$J �g }g }t| |�D ]$\}}|dkr6|�|� |�|� q6|} |}| sptd��dd� | D �}t | �}t|�}d} d} | r�d} tt|�| |�D ]<\} }} || | | t|� k r�|V || d7 < d} q�q�| d7 } q�dS ) a� Generator that keeps yielding items from the items list, in proportion to their weight. For instance:: # Getting the first 70 items from this generator should have yielded 10 # times A, 20 times B and 40 times C, all distributed equally.. take_using_weights(['A', 'B', 'C'], [5, 10, 20]) :param items: List of items to take from. :param weights: Integers representing the weight. (Numbers have to be integers, not floats.) r z+Did't got any items with a positive weight.c S s g | ]}d �qS )r r$ )rF �ir$ r$ r% � <listcomp> rI z&take_using_weights.<locals>.<listcomp>TFrE N)rJ �zipr, � ValueErrorrK �range�float) rm rn Zitems2Zweights2�item�wZ already_taken� item_countZ max_weightro ZaddingZitem_i�weightr$ r$ r% r � s2 r zCallable[[], str] | str)ri r c C s t | �rt| � �S t| �S dS )z$Turn callable or string into string.N)�callabler rA rh r$ r$ r% r " s r zCallable[[], int] | intc C s t | �rt| � �S t| �S dS )z Turn callable or int into int.N)ry r rB rh r$ r$ r% r * s r r rt c C s t | �rt| � �S t| �S dS )z"Turn callable or float into float.N)ry r rt rh r$ r$ r% r 5 s r z str | None)�termr c C s& | du rt tj�dd��S | �� dv S )z� True if this terminal type is considered "dumb". If so, we should fall back to the simplest possible form of line editing, without cursor positioning and color support. Nrj rk )�dumb�unknown)r r_ r` ra rg )rz r$ r$ r% r = s r )N)+� __future__r r_ rW rY rc � collectionsr �typingr r r r r r r r �__all__�modulesZSPHINX_AUTODOC_RUNNINGr r r rA rB r: rS r r r r] r r r r rl r r r rt r r r r$ r$ r$ r% �<module> s: $ F ) 6
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