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편집 파일: protocol_socket.cpython-39.pyc
a =Y27 � @ s d dl Z d dlZd dlZd dlZd dlZz d dlZW n eyR d dlmZ Y n0 d dl m Z m Z m Z m Z mZmZ ejejejejd�ZdZG dd� de �Zedk�rd dlZed�Zej�d � e�� ej�d � e�d � e� � ej�d � e� d��� e� � dS ) � N)� SerialBase�SerialException�to_bytes�portNotOpenError�writeTimeoutError�Timeout)�debug�infoZwarning�error� c @ s� e Zd ZdZdZdd� Zdd� Zdd� Zd d � Ze d d � �Z d*dd�Z dd� Z dd� Z dd� Zd+dd�Zdd� Zdd � Zd d � Ze d d � �Ze d!d"� �Ze d#d$� �Ze d%d&� �Zd'd(� Zd)S ),�Serialz-Serial port implementation for plain sockets.)�2 �K �n � � �� i, iX i� i i` i� i�% i K i � i � i � c C s� d| _ | jdu rtd��| jr&td��z tj| �| j�td�| _ W n< t y~ } z$d| _ td� | j|���W Y d}~n d}~0 0 | j � d� | � � d| _| js�| �� | js�| �� | �� | �� dS )zx Open port with current settings. This may throw a SerialException if the port cannot be opened. Nz.Port must be configured before it can be used.zPort is already open.)�timeoutzCould not open port {}: {}FT)�loggerZ_portr �is_open�socketZcreate_connection�from_urlZportstr� POLL_TIMEOUT�_socket� Exception�formatZ setblocking�_reconfigure_portZ_dsrdtr�_update_dtr_stateZ_rtscts�_update_rts_state�reset_input_buffer�reset_output_buffer)�self�msg� r# �E/usr/lib/python3.9/site-packages/serial/urlhandler/protocol_socket.py�open1 s& ( z Serial.openc C s( | j du rtd��| jr$| j�d� dS )zz Set communication parameters on opened port. For the socket:// protocol all settings are ignored! Nz Can only operate on open portsz!ignored port configuration change)r r r r �r! r# r# r$ r O s zSerial._reconfigure_portc C sP | j rL| jr<z | j�tj� | j�� W n Y n0 d| _d| _ t�d� dS )z Close portNFg333333�?)r r Zshutdownr Z SHUT_RDWR�close�time�sleepr& r# r# r$ r' Y s z Serial.closec C s� t �|�}|jdkr$td�|j���z�t �|jd��� D ]T\}}|dkr~t� � t� d�| _ | j � t |d � | j �d� q8td�|���q8d|j kr�d k s�n td ��W n2 ty� } ztd �|���W Y d }~n d }~0 0 |j|jfS ) z(extract host and port from an URL stringr zexpected a string in the form "socket://<host>:<port>[?logging={debug|info|warning|error}]": not starting with socket:// ({!r})T�loggingzpySerial.socketr zenabled loggingzunknown option: {!r}i zport not in range 0...65535z_expected a string in the form "socket://<host>:<port>[?logging={debug|info|warning|error}]": {}N)�urlparse�urlsplit�schemer r �parse_qs�query�itemsr* Z basicConfigZ getLoggerr ZsetLevel� LOGGER_LEVELSr � ValueError�port�hostname)r! �url�parts�option�values�er# r# r$ r h s0 �� ��zSerial.from_urlc C s, | j s t�t�| jgg g d�\}}}t|�S )z9Return the number of bytes currently in the input buffer.r )r r �selectr �len)r! ZlrZlwZlxr# r# r$ � in_waiting� s zSerial.in_waiting� c C sB | j s t�t� }t| j�}t|�|k �r:zVt�| jgg g |�� �\}}}|sRW �q:| j� |t|� �}|srt d��|� |� W n� t y� } z8|j t jt jt jt jt jfvr�t d�|���W Y d}~nfd}~0 tjtjf�y* } z<|d t jt jt jt jt jfv�rt d�|���W Y d}~n d}~0 0 |�� r�q:qt|�S )z� Read size bytes from the serial port. If a timeout is set it may return less characters as requested. With no timeout it will block until the requested number of bytes is read. zsocket disconnected�read failed: {}Nr )r r � bytearrayr �_timeoutr; r: r � time_left�recvr �extend�OSError�errno�EAGAIN�EALREADY� EWOULDBLOCK� EINPROGRESS�EINTRr r r �expired�bytes)r! �size�readr �ready�_�bufr9 r# r# r$ rN � s, ""$z Serial.readc C s� | j s t�t|�}t|� }}t| j�}|dk�r�z�| j�|�}|jrL|W S |j s�|� � r^t �t � g | jgg |� � �\}}}|s�t �n6|� � du s�J �t � g | jgg d�\}}}|s�td��||d� }||8 }W n� ty� � Y n� t�y8 } z:| jtjtjtjtjtjfv�r$td�| ���W Y d} ~ n`d} ~ 0 t j�y� } z<| d tjtjtjtjtjfv�rztd�| ���W Y d} ~ n d} ~ 0 0 |js(|� � r(t �q(|t|� S )z� Output the given byte string over the serial port. Can block if the connection is blocked. May raise SerialException if the connection is closed. r Nzwrite failed (select)zwrite failed: {})r r r r; r Z_write_timeoutr �sendZis_non_blockingZ is_infiniterK r r: rA r rD rE rF rG rH rI rJ r r ) r! �data�dZtx_len�lengthr �nrP rO r9 r# r# r$ �write� sB ""$z Serial.writec C s� | j s t�d}|r�t�| jgg g d�\}}}z| j�d� W q ty� } z8|jtjtjtj tj tj fvrxt d� |���W Y d}~qd}~0 tjtjfy� } z:|d tjtjtj tj tj fvr�t d� |���W Y d}~qd}~0 0 qdS )z9Clear input buffer, discarding all that is in the buffer.Tr i r> N)r r r: r rB rD rE rF rG rH rI rJ r r r r )r! rO rP r9 r# r# r$ r � s " zSerial.reset_input_bufferc C s | j s t�| jr | j�d� dS )zs Clear output buffer, aborting the current output and discarding all that is in the buffer. zignored reset_output_bufferN�r r r r r& r# r# r$ r s zSerial.reset_output_buffer� �?c C s& | j s t�| jr"| j�d�|�� dS )za Send break condition. Timed, returns to idle state after given duration. zignored send_break({!r})N)r r r r r )r! Zdurationr# r# r$ � send_break s zSerial.send_breakc C s | j r| j �d�| j�� dS )zJSet break: Controls TXD. When active, to transmitting is possible.z!ignored _update_break_state({!r})N)r r r Z _break_stater& r# r# r$ �_update_break_state s zSerial._update_break_statec C s | j r| j �d�| j�� dS )z)Set terminal status line: Request To Sendz ignored _update_rts_state({!r})N)r r r Z _rts_stater& r# r# r$ r " s zSerial._update_rts_statec C s | j r| j �d�| j�� dS )z-Set terminal status line: Data Terminal Readyz ignored _update_dtr_state({!r})N)r r r Z _dtr_stater& r# r# r$ r ' s zSerial._update_dtr_statec C s | j s t�| jr | j�d� dS )z(Read terminal status line: Clear To Sendzreturning dummy for ctsTrX r& r# r# r$ �cts, s z Serial.ctsc C s | j s t�| jr | j�d� dS )z)Read terminal status line: Data Set Readyzreturning dummy for dsrTrX r& r# r# r$ �dsr5 s z Serial.dsrc C s | j s t�| jr | j�d� dS )z)Read terminal status line: Ring Indicatorzreturning dummy for riFrX r& r# r# r$ �ri> s z Serial.ric C s | j s t�| jr | j�d� dS )z)Read terminal status line: Carrier Detectzreturning dummy for cd)TrX r& r# r# r$ �cdG s z Serial.cdc C s | j �� S )z@Get the file handle of the underlying socket for use with select)r �filenor& r# r# r$ r` S s z Serial.filenoN)r= )rY )�__name__� __module__� __qualname__�__doc__Z BAUDRATESr% r r' r �propertyr< rN rW r r rZ r[ r r r\ r] r^ r_ r` r# r# r# r$ r + s2 )5 r �__main__zsocket://localhost:7000z{} z write... s hello z read: {} ) rE r* r: r r( r+ � ImportError� urllib.parse�parseZserial.serialutilr r r r r r �DEBUG�INFOZWARNINGZERRORr1 r r ra �sys�s�stdoutrW r �flushrN r' r# r# r# r$ �<module> s6 � 1