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expect.cpython-39.opt-1.pyc
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a ��!^6 � @ sL d dl Z ddlmZmZ G dd� de�ZG dd� de�ZG dd � d e�ZdS ) � N� )�EOF�TIMEOUTc @ sT e Zd Zddd�Zdd� Zdd� Zdd � Zdd d �Zdd d�Zdd� Z ddd�Z d S )�Expecter���c C s< || _ || _|dkr|j}|| _d | _t|d�r8|j| _d S )Nr �longest_string)�spawn�searcher�searchwindowsize�lookback�hasattrr )�selfr r r � r �2/usr/lib/python3.9/site-packages/pexpect/expect.py�__init__ s zExpecter.__init__c C s | j }| j}|t|�kr t|�}|�||| j�}|dkr�|�� |_|j�||jd � � |j � � dt|�|j � |_ |�� |_ |j �||jd � � ||j |j� |_ |j|_||_|S | js�| j�r| jp�| j}|j�� |k�r|�� |_|j�|| d � � d S �Nr )r r �len�searchr � buffer_type�_buffer�write�end�_before�getvalue�start�before�after�match� match_indexr �tell)r �window�freshlenr r �indexZmaintainr r r � do_search s, � zExpecter.do_searchc C s� | j }|j�� }|j�� }|}||kr�| jsN|�� |_|j�� }|j�|� q�|| jk r�|�� |_|j�t d|| j �� |j� � }|j�|� q�|j�t d|| j �� |j� � }n4| jr�|j�t d|| j �� |j� � }n |j�� }| � ||�S r ) r r r r r r r r �seek�max�readr# )r r Z before_lenZbuf_lenr! r r r r � existing_data* s. � zExpecter.existing_datac C s | j }t|�}|j�|� | jst| jr`|j�� }|j�|� |j�t d|| j �� |j� � }q�|j�|� |j }n�t|�| jks�|j�� s�|| j d � }|� � |_|j�|| j d � � n8|j�|� |j�� }|j�t d|| j �� |j� � }| � ||�S r )r r r r r r r r r$ r% r& �bufferr r# )r �datar r! Zold_lenr Znew_lenr r r �new_dataH s( zExpecter.new_dataNc C s� | j }|j�� |_|�� |_|�� |_t|_| jj }|dkrLt|_ ||_ |S d |_ d |_ t |�}|d| j 7 }|d ur�t |�d | }t|�}d |_ |�d S �Nr z searcher: %s� )r r r r r r r r r � eof_indexr r �str� __cause__�r �errr r" �msg�excr r r �eofd s& z Expecter.eofc C s� | j }|j�� |_t|_| jj}|dkr8t|_||_ |S d |_d |_ t |�}|d| j 7 }|d urrt |�d | }t|�}d |_ |�d S r+ ) r r r r r r r � timeout_indexr r r. r/ r0 r r r �timeout| s" zExpecter.timeoutc C s( | j }|j�� |_d |_d |_d |_d S )N)r r r r r r r )r r r r r �errored� s zExpecter.erroredc C s | j }|durt�� | }z�| �� }|dur2|W S |durL|dk rL| �� W S |�|j|�}| j jdurtt�| j j� | �|�}|dur�|W S |dur2|t�� }q2W np t y� } z| � |�W Y d}~S d}~0 t �y } z| �|�W Y d}~S d}~0 | � � � Y n0 dS )zBlocking expectNr ) r �timer' r6 Zread_nonblockingZmaxreadZdelayafterread�sleepr* r r4 r r7 )r r6 r Zend_time�idxZincoming�er r r � expect_loop� s0 zExpecter.expect_loop)r )N)N)r ) �__name__� __module__� __qualname__r r# r' r* r4 r6 r7 r< r r r r r s r c @ s* e Zd ZdZdd� Zdd� Zd dd�ZdS ) �searcher_stringa- This is a plain string search helper for the spawn.expect_any() method. This helper class is for speed. For more powerful regex patterns see the helper class, searcher_re. Attributes: eof_index - index of EOF, or -1 timeout_index - index of TIMEOUT, or -1 After a successful match by the search() method the following attributes are available: start - index into the buffer, first byte of match end - index into the buffer, first byte after match match - the matching string itself c C sv d| _ d| _g | _d| _t|�D ]P\}}|tu r8|| _ q |tu rH|| _q | j�||f� t|�| jkr t|�| _q dS )z�This creates an instance of searcher_string. This argument 'strings' may be a list; a sequence of strings; or the EOF or TIMEOUT types. r r N) r- r5 �_stringsr � enumerater r �appendr )r �strings�n�sr r r r � s zsearcher_string.__init__c C s| dd� | j D �}|�d� | jdkr:|�| jd| j f� | jdkrZ|�| jd| j f� |�� tt|� �d }d�|�S ) �UThis returns a human-readable string that represents the state of the object.c S s g | ]}|d d| f�qS )r z %d: %rr )�.0�nsr r r � <listcomp>� � z+searcher_string.__str__.<locals>.<listcomp>)r zsearcher_string:r � %d: EOF� %d: TIMEOUTr r, )rA rC r- r5 �sort�list�zip�join)r �ssr r r �__str__� s �zsearcher_string.__str__Nc C s� d}| j D ]X\}}|du r*|t|� }n| }|�||�}|dkr |du sT||k r |}|| } } q |du rpdS | | _|| _| jt| j� | _| S )a� This searches 'buffer' for the first occurrence of one of the search strings. 'freshlen' must indicate the number of bytes at the end of 'buffer' which have not been searched before. It helps to avoid searching the same, possibly big, buffer over and over again. See class spawn for the 'searchwindowsize' argument. If there is a match this returns the index of that string, and sets 'start', 'end' and 'match'. Otherwise, this returns -1. Nr r )rA r �findr r r ) r r( r! r � first_matchr" rF �offsetrE � best_indexZ best_matchr r r r � s zsearcher_string.search)N�r= r> r? �__doc__r rS r r r r r r@ � s r@ c @ s* e Zd ZdZdd� Zdd� Zd dd�ZdS ) � searcher_reaV This is regular expression string search helper for the spawn.expect_any() method. This helper class is for powerful pattern matching. For speed, see the helper class, searcher_string. Attributes: eof_index - index of EOF, or -1 timeout_index - index of TIMEOUT, or -1 After a successful match by the search() method the following attributes are available: start - index into the buffer, first byte of match end - index into the buffer, first byte after match match - the re.match object returned by a successful re.search c C sX d| _ d| _g | _t|�D ]8\}}|tu r2|| _ q|tu rB|| _q| j�||f� qdS )z�This creates an instance that searches for 'patterns' Where 'patterns' may be a list or other sequence of compiled regular expressions, or the EOF or TIMEOUT types.r N)r- r5 � _searchesrB r r rC )r �patternsrE rF r r r r 0 s zsearcher_re.__init__c C s� t � }| jD ] \}}|�|d||jf f� q |�d� | jdkrX|�| jd| j f� | jdkrx|�| jd| j f� |�� t t|� �d }d�|�S )rG z %d: re.compile(%r))r z searcher_re:r rL rM r r, ) rO r[ rC �patternr- r5 rN rP rQ )r rR rE rF r r r rS A s �zsearcher_re.__str__Nc C s� d}|du rd}nt dt|�| �}| jD ]B\}}|�||�}|du rHq*|�� } |du s`| |k r*| }|} |} q*|du rzdS || _| | _| j�� | _| S )a� This searches 'buffer' for the first occurrence of one of the regular expressions. 'freshlen' must indicate the number of bytes at the end of 'buffer' which have not been searched before. See class spawn for the 'searchwindowsize' argument. If there is a match this returns the index of that string, and sets 'start', 'end' and 'match'. Otherwise, returns -1.Nr r )r% r r[ r r r r ) r r( r! r rU Z searchstartr" rF r rE Z the_matchrW r r r r T s& zsearcher_re.search)NrX r r r r rZ s rZ )r8 � exceptionsr r �objectr r@ rZ r r r r �<module> s 7b