Edit File: pty.cpython-311.pyc
� � f� � � � d Z ddlmZ ddlZddlZddlZddlmZmZ ddlmZmZm Z g d�Z dZ dZ dZ dZd � Zd � Zd � Zd � Zd � Zd� Zeefd�Zeefd�ZdS )zPseudo terminal utilities.� )�selectN)�close�waitpid)�setraw� tcgetattr� tcsetattr)�openpty�fork�spawn� � c � � t j � � S # t t f$ r Y nw xY wt � � \ } }t |� � }| |fS )zdopenpty() -> (master_fd, slave_fd) Open a pty master/slave pair, using os.openpty() if possible.)�osr �AttributeError�OSError�_open_terminal� slave_open)� master_fd� slave_name�slave_fds �*/opt/alt/python311/lib64/python3.11/pty.pyr r s` � � ��z�|�|��� �G� $� � � � �� ���� *� ,� ,��I�z��*�%�%�H� �h� � s � �)�)c �� � t j � � \ } }t j |� � }t j |� � | |fS # t t f$ r Y nw xY wt � � S )z�master_open() -> (master_fd, slave_name) Open a pty master and return the fd, and the filename of the slave end. Deprecated, use openpty() instead.)r r �ttynamer r r r )r r r s r � master_openr & sx � � %� �j�l�l�� �8� �Z��)�)� � �������*�$�$�� �G� $� � � � �� ���� � � �s �A �A�Ac � � dD ]M} dD ]H}d| z |z } t j |t j � � }n# t $ r Y �7w xY w|d| z |z fc c S �Nt d� � �)z1Open pty master and return (master_fd, tty_name).�pqrstuvwxyzPQRST�0123456789abcdefz/dev/ptyz/dev/ttyzout of pty devices)r �open�O_RDWRr )�x�y�pty_name�fds r r r 6 s� � � � ,� ,��#� ,� ,�A�!�A�~��)�H� ��W�X�r�y�1�1����� � � ��� ����� �Q���*�+� +� +� +� +� +� ,� �&� '� '�'s � 2� ?�?c �� � t j | t j � � } ddlm}m} n# t $ r |cY S w xY w |||d� � |||d� � n# t $ r Y nw xY w|S )z�slave_open(tty_name) -> slave_fd Open the pty slave and acquire the controlling terminal, returning opened filedescriptor. Deprecated, use openpty() instead.r )�ioctl�I_PUSH�ptem�ldterm)r r r �fcntlr% r& � ImportErrorr )�tty_name�resultr% r& s r r r B s� � � �W�X�r�y� )� )�F��'�'�'�'�'�'�'�'�'�� � � � �� � � ����� � ��f�f�f�%�%�%� ��f�f�h�'�'�'�'�� � � � � �� ���� �Ms �* � 9�9�A � A%�$A%c � � t j � � \ } }| t k r% t j � � n# t $ r Y nw xY w| |fS # t t f$ r Y nw xY wt � � \ }}t j � � } | t k r�t j � � t j |� � t j |t � � t j |t � � t j |t � � |t k rt j |� � t j t j t � � t j � � }t j |� � nt j |� � | |fS )zdfork() -> (pid, master_fd) Fork and make the child a session leader with a controlling terminal.)r �forkpty�CHILD�setsidr r r r r �dup2� STDIN_FILENO� STDOUT_FILENO� STDERR_FILENOr r r )�pidr# r r �tmp_fds r r r T se � � ��*�,�,���R� �%�<�<� �� � � � � ��� � � ��� ���� �B�w��� �G� $� � � � �� ���� "�)�)��I�x� �'�)�)�C� �e�|�|� � � � � � ������ ���,�'�'�'� ���-�(�(�(� ���-�(�(�(� �m� #� #� �H�X� � � � ����M�2�2�B�I�>�>�� ������� ������ � �>�s �A �8 � A�A� A � A c �, � t j | d� � S )zDefault read function.i )r �read)r# s r �_readr9 | s � � �7�2�t� � � � c � � t j | � � rZt j | d� � t | ||�� � t j | d� � n# t j | d� � w xY wdS d}| t k }| t k }d}d} g }g } |r-t |� � |k r|� t � � |r(t |� � |k r|� | � � |r-t |� � dk r| � t � � t |� � dk r| � | � � t || g � � \ }} } t | v r8 t j t |� � } || d� }n# t $ r d}Y nw xY w| |v r( || � � } n# t $ r d} Y nw xY w| sdS || z }| | v r t j | |� � } || d� }|r#t |v r |t � � } | sd}n|| z }���) z�Parent copy loop. Copies pty master -> standard output (master_read) standard input -> pty master (stdin_read)F)� master_read� stdin_readTNi r: r r ) r � get_blocking� set_blocking�_copyr2 r3 �len�appendr �writer ) r r< r= �high_waterlevel� stdin_avail� stdout_avail�i_buf�o_buf�rfds�wfds�_xfds�n�datas r r@ r@ � sx � � ��y�!�!� � �� �5�)�)�)� -� �)��� L� L� L� L� �O�I�t� ,� ,� ,� ,��B�O�I�t� ,� ,� ,� ,�������O��|�+�K� � �-�L� �E� �E�* ����� � &�3�u�:�:��7�7� �K�K� � %� %� %� � #�C��J�J� � 8� 8� �K�K� � "� "� "� � '�C��J�J��N�N� �K�K� � &� &� &� �u�:�:��>�>� �K�K� � "� "� "� "�4��r� 2� 2���d�E� �D� � � %��H�]�E�2�2�� �a�b�b� ����� %� %� %� $� � � � %���� �� � � �"�{�9�-�-����� � � ����� ����� ��� �T�M�E� �� � ����E�*�*�A��!�"�"�I�E� � �<�4�/�/� �:�l�+�+�D�� � #� � ��� ��U* s/ �A �A*� $F � F�F� F' �' F6�5F6c �d � t | � � t d� � k r| f} t j d| � � t � � \ }}|t k rt j | d g| �R � t t � � }t t � � d}n# t j $ r d}Y nw xY w t |||� � |r t t t j |� � n(# |r!t t t j |� � w w xY wt |� � t! |d� � d S )zCreate a spawned process.� z pty.spawnr TFr )�type�sys�auditr r/ r �execlpr r2 r �tty�errorr@ r � TCSAFLUSHr r )�argvr< r= r5 r �mode�restores r r r � s2 � � �D�z�z�T�"�X�X� � ��w���I�k�4� � � ��V�V�N�C�� �e�|�|� � �$�q�'�!�D�!�!�!�!��� �&�&���|� � � ����� �9� � � ���������9� �i��j�1�1�1� � 9� �l�C�M�4� 8� 8� 8��� � 9� �l�C�M�4� 8� 8� 8� 8� 9���� �)���� �3��?�?�1� � s �.*B �B-�,B-�1C% �%%D )�__doc__r r rQ rT r r r r r �__all__r2 r3 r4 r/ r r r r r r9 r@ r � r: r �<module>r] s- �� � � � � � � � � � � � � � � � � � � � � � � � � � � � � ,� ,� ,� ,� ,� ,� ,� ,� ,� ,� &� &� &��� �� �� � �� � � � � � � (� (� (�� � �$&� &� &�P � � � "'�5� ? � ? � ? � ? �B "�e� � � � � � r: