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SerialBasezh Serial port base class. Provides __init__ function and properties to
get/set port settings.
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���|du�r| �"� dS )z� Initialize comm port object. If a "port" is given, then the port will be
opened immediately. Otherwise a Serial port object in closed state
is returned.
FNT� writeTimeout�interCharTimeoutz"unexpected keyword arguments: {!r})#�is_open�portstr�name�_port� _baudrate� _bytesize�_parity� _stopbits�_timeout�_write_timeout�_xonxoff�_rtscts�_dsrdtr�_inter_byte_timeout� _rs485_mode�
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ValueErrorr �open)r1 rW rX rY rZ r[ r\ r^ r_ r] r` ra rb �kwargsr r r r2 � sN
zSerialBase.__init__c C s | j S )z{ Get the current port setting. The value that was passed on init or using
setPort() is passed back.
)rG r4 r r r rW � s zSerialBase.portc C sZ |dur$t |t�s$td�t|����| j}|r6| �� || _|| _| j| _ |rV| �
� dS )z! Change the port.
Nz'"port" must be None or a string, not {}) r �
basestringrd r �typerD �closerE rG rF re )r1 rW Zwas_openr r r rW s c C s | j S )z"Get the current baud rate setting.)rH r4 r r r rX s zSerialBase.baudratec C s\ z t |�}W n ty, td�|���Y n,0 |dk rDtd�|���|| _| jrX| �� dS )z� Change baud rate. It raises a ValueError if the port is open and the
baud rate is not possible. If the port is closed, then the value is
accepted and the exception is raised when the port is opened.
zNot a valid baudrate: {!r}r N)�intr rd r rH rD �_reconfigure_port)r1 rX r r r r rX s c C s | j S )z"Get the current byte size setting.)rI r4 r r r rY ) s zSerialBase.bytesizec C s0 || j vrtd�|���|| _| jr,| �� dS )zChange byte size.zNot a valid byte size: {!r}N)� BYTESIZESrd r rI rD rk )r1 rY r r r rY . s
c C s | j S )z)Get the current exclusive access setting.)rV r4 r r r rb 7 s zSerialBase.exclusivec C s || _ | jr| �� dS )z$Change the exclusive access setting.N)rV rD rk )r1 rb r r r rb < s c C s | j S )z Get the current parity setting.)rJ r4 r r r rZ C s zSerialBase.parityc C s0 || j vrtd�|���|| _| jr,| �� dS )zChange parity setting.zNot a valid parity: {!r}N)�PARITIESrd r rJ rD rk )r1 rZ r r r rZ H s
c C s | j S )z"Get the current stop bits setting.)rK r4 r r r r[ Q s zSerialBase.stopbitsc C s0 || j vrtd�|���|| _| jr,| �� dS )zChange stop bits size.z Not a valid stop bit size: {!r}N)�STOPBITSrd r rK rD rk )r1 r[ r r r r[ V s
c C s | j S �z Get the current timeout setting.)rL r4 r r r r\ _ s zSerialBase.timeoutc C sd |durLz |d W n t y4 td�|���Y n0 |dk rLtd�|���|| _| jr`| �� dS )�Change timeout setting.Nr �Not a valid timeout: {!r}r )r rd r rL rD rk �r1 r\ r r r r\ d s c C s | j S ro )rM r4 r r r r] r s zSerialBase.write_timeoutc C sd |durL|dk r t d�|���z |d W n tyJ t d�|���Y n0 || _| jr`| �� dS )rp Nr rq r )rd r r rM rD rk rr r r r r] w s c C s | j S )z0Get the current inter-character timeout setting.)rQ r4 r r r ra � s z SerialBase.inter_byte_timeoutc C sd |durL|dk r t d�|���z |d W n tyJ t d�|���Y n0 || _| jr`| �� dS )z"Change inter-byte timeout setting.Nr rq r )rd r r rQ rD rk )r1 Z
ic_timeoutr r r ra � s c C s | j S )z!Get the current XON/XOFF setting.)rN r4 r r r r^ � s zSerialBase.xonxoffc C s || _ | jr| �� dS )zChange XON/XOFF setting.N)rN rD rk )r1 r^ r r r r^ � s c C s | j S )z-Get the current RTS/CTS flow control setting.)rO r4 r r r r_ � s zSerialBase.rtsctsc C s || _ | jr| �� dS )z$Change RTS/CTS flow control setting.N)rO rD rk )r1 r_ r r r r_ � s c C s | j S )z-Get the current DSR/DTR flow control setting.)rP r4 r r r r` � s zSerialBase.dsrdtrc C s* |du r| j | _n|| _| jr&| �� dS )z#Change DsrDtr flow control setting.N)rO rP rD rk )r1 r` r r r r` � s
c C s | j S �N)rS r4 r r r �rts� s zSerialBase.rtsc C s || _ | jr| �� d S rs )rS rD Z_update_rts_state�r1 �valuer r r rt � s c C s | j S rs )rT r4 r r r �dtr� s zSerialBase.dtrc C s || _ | jr| �� d S rs )rT rD Z_update_dtr_stateru r r r rw � s c C s | j S rs )rU r4 r r r �break_condition� s zSerialBase.break_conditionc C s || _ | jr| �� d S rs )rU rD Z_update_break_stateru r r r rx � s c C s | j S )z� Enable RS485 mode and apply new settings, set to None to disable.
See serial.rs485.RS485Settings for more info about the value.
)rR r4 r r r �
rs485_mode� s zSerialBase.rs485_modec C s || _ | jr| �� d S rs )rR rD rk )r1 Zrs485_settingsr r r ry � s )
rX rY rZ r[ r^ r` r_ r\ r] ra c s t � fdd�� jD ��S )zb Get current port settings as a dictionary. For use with
apply_settings().
c s g | ]}|t � d | �f�qS )�_)�getattr)�.0�keyr4 r r �
<listcomp>� � z+SerialBase.get_settings.<locals>.<listcomp>)�dict�_SAVED_SETTINGSr4 r r4 r � get_settings� s zSerialBase.get_settingsc C s> | j D ]2}||v r|| t| d| �krt| ||| � qdS )z� Apply stored settings from a dictionary returned from
get_settings(). It's allowed to delete keys from the dictionary. These
values will simply left unchanged.
rz N)r� r{ �setattr)r1 �dr} r r r �apply_settings� s
zSerialBase.apply_settingsc C s dj | jjt| �| d�S )zAString representation of the current port settings and its state.z�{name}<id=0x{id:x}, open={p.is_open}>(port={p.portstr!r}, baudrate={p.baudrate!r}, bytesize={p.bytesize!r}, parity={p.parity!r}, stopbits={p.stopbits!r}, timeout={p.timeout!r}, xonxoff={p.xonxoff!r}, rtscts={p.rtscts!r}, dsrdtr={p.dsrdtr!r}))rF �id�p)r � __class__r r� r4 r r r �__repr__ s �zSerialBase.__repr__c C s dS �NTr r4 r r r �readable s zSerialBase.readablec C s dS r� r r4 r r r �writable s zSerialBase.writablec C s dS )NFr r4 r r r �seekable s zSerialBase.seekablec
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d }~0 0 |S )Nr r )�read�lenr �arrayr )r1 r �data�n�errr� r r r �readinto s *zSerialBase.readintoc C s | j s| �� | S rs )rD re r4 r r r � __enter__/ s zSerialBase.__enter__c O s | � � d S rs )ri )r1 �argsrf r r r �__exit__4 s zSerialBase.__exit__� �?c C s$ | j s
t�d| _t�|� d| _dS )za Send break condition. Timed, returns to idle state after given
duration.
TFN)rD �portNotOpenErrorrx r9 �sleepr0 r r r �
send_break9 s
zSerialBase.send_breakc C s | � � d S rs )Zreset_input_bufferr4 r r r �
flushInputG s zSerialBase.flushInputc C s | � � d S rs )Zreset_output_bufferr4 r r r � flushOutputJ s zSerialBase.flushOutputc C s | j S rs )�
in_waitingr4 r r r � inWaitingM s zSerialBase.inWaitingc C s | � |� d S rs )r� r0 r r r � sendBreakP s zSerialBase.sendBreakr c C s
|| _ d S rs )rt ru r r r �setRTSS s zSerialBase.setRTSc C s
|| _ d S rs )rw ru r r r �setDTRV s zSerialBase.setDTRc C s | j S rs )Zctsr4 r r r �getCTSY s zSerialBase.getCTSc C s | j S rs )Zdsrr4 r r r �getDSR\ s zSerialBase.getDSRc C s | j S rs )Zrir4 r r r �getRI_ s zSerialBase.getRIc C s | j S rs )Zcdr4 r r r �getCDb s zSerialBase.getCDc C s
|| _ d S rs )rW )r1 rW r r r �setPorte s zSerialBase.setPortc C s | j S rs �r] r4 r r r rB h s zSerialBase.writeTimeoutc C s
|| _ d S rs r� rr r r r rB l s c C s | j S rs �ra r4 r r r rC p s zSerialBase.interCharTimeoutc C s
|| _ d S rs r� )r1 rC r r r rC t s c C s | � � S rs )r� r4 r r r �getSettingsDictx s zSerialBase.getSettingsDictc C s | � |� d S rs )r� )r1 r� r r r �applySettingsDict{ s z SerialBase.applySettingsDictc C s | j S rs )rD r4 r r r �isOpen~ s zSerialBase.isOpenc C s | � | j�S )zL Read all bytes currently available in the buffer of the OS.
)r� r� r4 r r r �read_all� s zSerialBase.read_allc C sp t |�}t� }t| j�}| �d�}|rh||7 }|| d� |krBqh|dur\t |�|kr\qhnqh|�� rqhqt|�S )z� Read until a termination sequence is found ('
' by default), the size
is exceeded or until timeout occurs.
r N)r� r r) rL r� r5 r )r1 �
terminator�sizeZlenterm�liner\ �cr r r �
read_until� s
zSerialBase.read_untilc o s" | j |i |��}|sq |V q dS )zs Read lines, implemented as generator. It will raise StopIteration on
timeout (empty read).
N)r� )r1 r� rf r� r r r � iread_until� s zSerialBase.iread_until)N)r� )r� )r )r )Fr r r r' � BAUDRATES�FIVEBITS�SIXBITS� SEVENBITS� EIGHTBITSrl � PARITY_NONE� PARITY_EVEN�
PARITY_ODD� PARITY_MARK� PARITY_SPACErm � STOPBITS_ONE�STOPBITS_ONE_POINT_FIVE� STOPBITS_TWOrn r2 �propertyrW �setterrX rY rb rZ r[ r\ r] ra r^ r_ r` rt rw rx ry r� r� r� r� r� r� r� r� r� r� r� r� r� r� r� r� r� r� r� r� r� r� rB rC r� r� r� r� �LFr� r� r r r r r: � s�
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