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serialutil.cpython-310.pyc
o &a_%U @ s d dl mZ d dlZd dlZze W n eefy% G dd deZY nw ze W n eefy7 e ZY nw ze W n eefyJ e fZ Y nw dd Z dd Z e d gZ e d gZe d gZe d gZd \ZZZZZd\ZZZd\ZZZZ ededededediZ G dd de Z G dd de Z G dd de Z!G dd d eZ"G d d d ej#Z$e%d krd dl&Z&e$ Z'e&j()d *e'j+ e&j()d!*e'j, e&j()d"*e'j- e&j()d#*e'j. e&j()d$*e'j/ e&j()d%*e' dS dS )& )absolute_importNc @ s e Zd ZdS ) memoryviewN)__name__ __module__ __qualname__ r r 3/usr/lib/python3/dist-packages/serial/serialutil.pyr s r c c sD t | tr | } d} | ||d }|d7 }|r |V ndS q )z=Iterate over bytes, returning bytes instead of ints (python3)r T N) isinstancer tobytes)biar r r iterbytes( s r c C sV t | tr| S t | trt| S t | tr| S t | tr%td| tt| S )z"convert a sequence to a bytes typez?unicode strings are not supported, please encode to bytes: {!r})r bytes bytearrayr r unicode TypeErrorformat)seqr r r to_bytes8 s r )NEOMS)r g ? ) NoneZEvenZOddZMarkZSpacec @ e Zd ZdZdS )SerialExceptionz.Base class for serial port related exceptions.Nr r r __doc__r r r r r' \ r' c @ r& )SerialTimeoutExceptionz Write timeouts give an exceptionNr( r r r r r+ ` r* r+ c s e Zd ZdZ fddZ ZS )PortNotOpenErrorzPort is not openc s t t| d d S )Nz)Attempting to use a port that is not open)superr, __init__self __class__r r r. f s zPortNotOpenError.__init__)r r r r) r. __classcell__r r r1 r r, d s r, c @ sH e Zd ZdZeedrejZnejZdd Zdd Z dd Z d d Z d S ) Timeouta> Abstraction for timeout operations. Using time.monotonic() if available or time.time() in all other cases. The class can also be initialized with 0 or None, in order to support non-blocking and fully blocking I/O operations. The attributes is_non_blocking and is_infinite are set accordingly. monotonicc C s> |du | _ |dk| _|| _|dur| | | _dS d| _dS )z(Initialize a timeout with given durationNr ) is_infiniteis_non_blockingdurationTIME target_timer0 r8 r r r r. s zTimeout.__init__c C s | j duo | dkS )z4Return a boolean, telling if the timeout has expiredNr )r: time_leftr/ r r r expired s zTimeout.expiredc C sL | j rdS | jr dS | j| }|| jkr!| | j | _| jS td|S )z:Return how many seconds are left until the timeout expiresr N)r7 r6 r: r9 r8 max)r0 Zdeltar r r r< s zTimeout.time_leftc C s || _ | | | _dS )zb Restart a timeout, only supported if a timeout was already set up before. N)r8 r9 r: r; r r r restart s zTimeout.restartN) r r r r) hasattrtimer5 r9 r. r= r< r? r r r r r4 j s r4 c @ s e Zd ZdZdZeeeefZ e e e e efZeeefZddee edddddddf ddZedd Zejd d Zed d Zejd d Zedd Zejdd Zedd Zejdd Zedd Zejdd Zedd Z e jdd Z edd Z e jd d Z ed d Z e jd d Z ed d! Z e jd"d! Z ed#d$ Z e jd%d$ Z ed&d' Z!e!jd(d' Z!ed)d* Z"e"jdwd+d*Z"ed,d- Z#e#jd.d- Z#ed/d0 Z$e$jd1d0 Z$ed2d3 Z%e%jd4d3 Z%ed5d6 Z&e&jd7d6 Z&d8Z'd9d: Z(d;d< Z)d=d> Z*d?d@ Z+dAdB Z,dCdD Z-dEdF Z.dGdH Z/dIdJ Z0dxdLdMZ1dNdO Z2dPdQ Z3dRdS Z4dxdTdUZ5dydWdXZ6dydYdZZ7d[d\ Z8d]d^ Z9d_d` Z:dadb Z;dcdd Z<ededf Z=e=jdgdf Z=edhdi Z>e>jdjdi Z>dkdl Z?dmdn Z@dodp ZAdqdr ZBeCdfdsdtZDdudv ZEdS )z SerialBasezh Serial port base class. Provides __init__ function and properties to get/set port settings. ) 2 K n i, iX i i i` i % i K i i i i i i i i i@B i i` i i%& i- ig5 i = NrI Fc K s d| _ d| _d| _d| _d| _d| _d| _d| _d| _d| _ d| _ d| _ d| _ d| _ d| _d| _d| _d| _d| _|| _|| _|| _|| _|| _|| _| | _|| _|| _| | _ | | _ | | _ d| v rg| d| _d| v rq| d| _ | rzt d!| |dur| " dS 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 writeTimeoutinterCharTimeoutz"unexpected keyword arguments: {!r})#is_openportstrname_port _baudrate _bytesize_parity _stopbits_timeout_write_timeout_xonxoff_rtscts_dsrdtr_inter_byte_timeout _rs485_mode _rts_state _dtr_state _break_state _exclusiveportbaudratebytesizeparitystopbitstimeout write_timeoutxonxoffrtsctsdsrdtrinter_byte_timeout exclusivepop ValueErrorr open)r0 r_ r` ra rb rc rd rf rg re rh ri rj kwargsr r r r. sP zSerialBase.__init__c C | j S )z{ Get the current port setting. The value that was passed on init or using setPort() is passed back. )rO r/ r r r r_ zSerialBase.portc C s^ |durt |tstdt|| j}|r| || _|| _| j| _ |r-| dS dS )z! Change the port. Nz'"port" must be None or a string, not {}) r basestringrl r typerL closerM rO rN rm )r0 r_ Zwas_openr r r r_ s c C ro )z"Get the current baud rate setting.)rP r/ r r r r` zSerialBase.baudratec C s\ zt |}W n ty td|w |dk r td||| _| jr,| dS 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 rl r rP rL _reconfigure_port)r0 r` r r r r r` s c C ro )z"Get the current byte size setting.)rQ r/ r r r ra - rt zSerialBase.bytesizec C 4 || j vr td||| _| jr| dS dS )zChange byte size.zNot a valid byte size: {!r}N) BYTESIZESrl r rQ rL rv )r0 ra r r r ra 2 c C ro )z)Get the current exclusive access setting.)r^ r/ r r r rj ; rt zSerialBase.exclusivec C || _ | jr | dS dS )z$Change the exclusive access setting.N)r^ rL rv )r0 rj r r r rj @ c C ro )z Get the current parity setting.)rR r/ r r r rb G rt zSerialBase.parityc C rw )zChange parity setting.zNot a valid parity: {!r}N)PARITIESrl r rR rL rv )r0 rb r r r rb L ry c C ro )z"Get the current stop bits setting.)rS r/ r r r rc U rt zSerialBase.stopbitsc C rw )zChange stop bits size.z Not a valid stop bit size: {!r}N)STOPBITSrl r rS rL rv )r0 rc r r r rc Z ry c C ro z Get the current timeout setting.)rT r/ r r r rd c rt zSerialBase.timeoutc C sd |dur$z|d W n t y td|w |dk r$td||| _| jr0| dS dS )Change timeout setting.Nr Not a valid timeout: {!r}r )r rl r rT rL rv r0 rd r r r rd h s c C ro r~ )rU r/ r r r re v rt zSerialBase.write_timeoutc C d |dur$|dk rt d|z|d W n ty# t d|w || _| jr0| dS dS )r Nr r r )rl r r rU rL rv r r r r re { c C ro )z0Get the current inter-character timeout setting.)rY r/ r r r ri rt z SerialBase.inter_byte_timeoutc C r )z"Change inter-byte timeout setting.Nr r r )rl r r rY rL rv )r0 Z ic_timeoutr r r ri r c C ro )z!Get the current XON/XOFF setting.)rV r/ r r r rf rt zSerialBase.xonxoffc C rz )zChange XON/XOFF setting.N)rV rL rv )r0 rf r r r rf r{ c C ro )z-Get the current RTS/CTS flow control setting.)rW r/ r r r rg rt zSerialBase.rtsctsc C rz )z$Change RTS/CTS flow control setting.N)rW rL rv )r0 rg r r r rg r{ c C ro )z-Get the current DSR/DTR flow control setting.)rX r/ r r r rh rt zSerialBase.dsrdtrc C s. |du r | j | _n|| _| jr| dS dS )z#Change DsrDtr flow control setting.N)rW rX rL rv )r0 rh r r r rh s c C ro N)r[ r/ r r r rts zSerialBase.rtsc C || _ | jr | d S d S r )r[ rL Z_update_rts_stater0 valuer r r r c C ro r )r\ r/ r r r dtr r zSerialBase.dtrc C r r )r\ rL Z_update_dtr_stater r r r r r c C ro r )r] r/ r r r break_condition r zSerialBase.break_conditionc C r r )r] rL Z_update_break_stater r r r r r c C ro )z Enable RS485 mode and apply new settings, set to None to disable. See serial.rs485.RS485Settings for more info about the value. )rZ r/ r r r rs485_mode rp zSerialBase.rs485_modec C r r )rZ rL rv )r0 Zrs485_settingsr r r r r ) r` ra rb rc rf rh rg rd re ri c s t fdd jD S )zb Get current port settings as a dictionary. For use with apply_settings(). c s g | ] }|t d | fqS )_)getattr).0keyr/ r r <listcomp> s z+SerialBase.get_settings.<locals>.<listcomp>)dict_SAVED_SETTINGSr/ r r/ r get_settings s zSerialBase.get_settingsc C s> | j D ]}||v r || t| d| kr t| ||| 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. r N)r r setattr)r0 dr r r r apply_settings s zSerialBase.apply_settingsc C s dj | jjt| | dS )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}))rN idp)r r2 r r r/ r r r __repr__ s zSerialBase.__repr__c C dS NTr r/ r r r readable zSerialBase.readablec C r r r r/ r r r writable r zSerialBase.writablec C r )NFr r/ r r r seekable! r zSerialBase.seekablec C s| | t|}t|}z ||d |< W |S ty= } z dd l}t||js(||d||d |< W Y d }~|S d }~ww )Nr r )readlenr arrayr )r0 r datanerrr r r r readinto$ s zSerialBase.readintoc C s | j d ur | js | | S r )rO rL rm r/ r r r __enter__3 s zSerialBase.__enter__c O | d S r )rs )r0 argsrn r r r __exit__8 zSerialBase.__exit__ ?c C s& | j st d| _t| d| _dS )za Send break condition. Timed, returns to idle state after given duration. TFN)rL r, r rA sleepr; r r r send_break= s zSerialBase.send_breakc C r r )Zreset_input_bufferr/ r r r flushInputK r zSerialBase.flushInputc C r r )Zreset_output_bufferr/ r r r flushOutputN r zSerialBase.flushOutputc C ro r ) in_waitingr/ r r r inWaitingQ zSerialBase.inWaitingc C | | d S r )r r; r r r sendBreakT zSerialBase.sendBreakr c C || _ d S r )r r r r r setRTSW zSerialBase.setRTSc C r r )r r r r r setDTRZ r zSerialBase.setDTRc C ro r )Zctsr/ r r r getCTS] r zSerialBase.getCTSc C ro r )Zdsrr/ r r r getDSR` r zSerialBase.getDSRc C ro r )Zrir/ r r r getRIc r zSerialBase.getRIc C ro r )Zcdr/ r r r getCDf r zSerialBase.getCDc C r r )r_ )r0 r_ r r r setPorti r zSerialBase.setPortc C ro r re r/ r r r rJ l r zSerialBase.writeTimeoutc C r r r r r r r rJ p c C ro r ri r/ r r r rK t r zSerialBase.interCharTimeoutc C r r r )r0 rK r r r rK x r c C s | S r )r r/ r r r getSettingsDict| s zSerialBase.getSettingsDictc C r r )r )r0 r r r r applySettingsDict r z SerialBase.applySettingsDictc C ro r )rL r/ r r r isOpen r zSerialBase.isOpenc C s | | jS )zL Read all bytes currently available in the buffer of the OS. )r r r/ r r r read_all s zSerialBase.read_allc C s t |}t }t| j} | d}|r6||7 }|| d |kr& t|S |dur5t ||kr5 t|S n t|S | rD t|S q )z Read until an expected sequence is found (' ' by default), the size is exceeded or until timeout occurs. Tr N)r r r4 rT r r= r )r0 ZexpectedsizeZlentermlinerd cr r r read_until s( zSerialBase.read_untilc o s$ | j |i |}|sdS |V q)zs Read lines, implemented as generator. It will raise StopIteration on timeout (empty read). TN)r )r0 r rn r r r r iread_until s zSerialBase.iread_untilr )r )r )Fr r r r) BAUDRATESFIVEBITSSIXBITS SEVENBITS EIGHTBITSrx PARITY_NONE PARITY_EVEN PARITY_ODD PARITY_MARK PARITY_SPACEr| STOPBITS_ONESTOPBITS_ONE_POINT_FIVE STOPBITS_TWOr} r. propertyr_ setterr` ra rj rb rc rd re ri rf rg rh r r r r r r r r r r r r r r r r r r r r r r r r r r rJ rK r r r r LFr r r r r r rB s J rB __main__zport name: {} zbaud rates: {} zbyte sizes: {} zparities: {} zstop bits: {} z{} )0Z __future__r iorA r NameErrorAttributeErrorobjectr strrq r r ZXONZXOFFZCRr r r r r r r r r r r r r Z PARITY_NAMESIOErrorr' r+ r, r4 RawIOBaserB r syssstdoutwriter rN r rx r| r} r r r r <module> sh ;