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/snap/core22/2437/usr/lib/python3/dist-packages/serial/

/snap/core22/2437/usr/lib/python3/dist-packages/serial

Name	Size	Mode	Actions
threaded/	-	0755	rm
tools/	-	0755	rm
urlhandler/	-	0755	rm
__pycache__/	-	0755	rm
rfc2217.py	59700	0644	edit dl rm
rs485.py	3305	0644	edit dl rm
serialcli.py	9190	0644	edit dl rm
serialjava.py	8480	0644	edit dl rm
serialposix.py	35127	0644	edit dl rm
serialutil.py	21797	0644	edit dl rm
serialwin32.py	20284	0644	edit dl rm
win32.py	11138	0644	edit dl rm
__init__.py	3212	0644	edit dl rm
__main__.py	45	0644	edit dl rm

Edit: /snap/core22/2437/usr/lib/python3/dist-packages/serial/serialcli.py (9190B)

#! python
#
# Backend for .NET/Mono (IronPython), .NET >= 2
#
# This file is part of pySerial. https://github.com/pyserial/pyserial
# (C) 2008-2015 Chris Liechti <cliechti@gmx.net>
#
# SPDX-License-Identifier:    BSD-3-Clause

from __future__ import absolute_import

import System
import System.IO.Ports
from serial.serialutil import *

# must invoke function with byte array, make a helper to convert strings
# to byte arrays
sab = System.Array[System.Byte]

def as_byte_array(string):
    return sab([ord(x) for x in string])  # XXX will require adaption when run with a 3.x compatible IronPython

class Serial(SerialBase):
    """Serial port implementation for .NET/Mono."""

BAUDRATES = (50, 75, 110, 134, 150, 200, 300, 600, 1200, 1800, 2400, 4800,
                 9600, 19200, 38400, 57600, 115200)

def open(self):
        """\
        Open port with current settings. This may throw a SerialException
        if the port cannot be opened.
        """
        if self._port is None:
            raise SerialException("Port must be configured before it can be used.")
        if self.is_open:
            raise SerialException("Port is already open.")
        try:
            self._port_handle = System.IO.Ports.SerialPort(self.portstr)
        except Exception as msg:
            self._port_handle = None
            raise SerialException("could not open port %s: %s" % (self.portstr, msg))

# if RTS and/or DTR are not set before open, they default to True
        if self._rts_state is None:
            self._rts_state = True
        if self._dtr_state is None:
            self._dtr_state = True

self._reconfigure_port()
        self._port_handle.Open()
        self.is_open = True
        if not self._dsrdtr:
            self._update_dtr_state()
        if not self._rtscts:
            self._update_rts_state()
        self.reset_input_buffer()

def _reconfigure_port(self):
        """Set communication parameters on opened port."""
        if not self._port_handle:
            raise SerialException("Can only operate on a valid port handle")

#~ self._port_handle.ReceivedBytesThreshold = 1

if self._timeout is None:
            self._port_handle.ReadTimeout = System.IO.Ports.SerialPort.InfiniteTimeout
        else:
            self._port_handle.ReadTimeout = int(self._timeout * 1000)

# if self._timeout != 0 and self._interCharTimeout is not None:
            # timeouts = (int(self._interCharTimeout * 1000),) + timeouts[1:]

if self._write_timeout is None:
            self._port_handle.WriteTimeout = System.IO.Ports.SerialPort.InfiniteTimeout
        else:
            self._port_handle.WriteTimeout = int(self._write_timeout * 1000)

# Setup the connection info.
        try:
            self._port_handle.BaudRate = self._baudrate
        except IOError as e:
            # catch errors from illegal baudrate settings
            raise ValueError(str(e))

if self._bytesize == FIVEBITS:
            self._port_handle.DataBits = 5
        elif self._bytesize == SIXBITS:
            self._port_handle.DataBits = 6
        elif self._bytesize == SEVENBITS:
            self._port_handle.DataBits = 7
        elif self._bytesize == EIGHTBITS:
            self._port_handle.DataBits = 8
        else:
            raise ValueError("Unsupported number of data bits: %r" % self._bytesize)

if self._parity == PARITY_NONE:
            self._port_handle.Parity = getattr(System.IO.Ports.Parity, 'None')  # reserved keyword in Py3k
        elif self._parity == PARITY_EVEN:
            self._port_handle.Parity = System.IO.Ports.Parity.Even
        elif self._parity == PARITY_ODD:
            self._port_handle.Parity = System.IO.Ports.Parity.Odd
        elif self._parity == PARITY_MARK:
            self._port_handle.Parity = System.IO.Ports.Parity.Mark
        elif self._parity == PARITY_SPACE:
            self._port_handle.Parity = System.IO.Ports.Parity.Space
        else:
            raise ValueError("Unsupported parity mode: %r" % self._parity)

if self._stopbits == STOPBITS_ONE:
            self._port_handle.StopBits = System.IO.Ports.StopBits.One
        elif self._stopbits == STOPBITS_ONE_POINT_FIVE:
            self._port_handle.StopBits = System.IO.Ports.StopBits.OnePointFive
        elif self._stopbits == STOPBITS_TWO:
            self._port_handle.StopBits = System.IO.Ports.StopBits.Two
        else:
            raise ValueError("Unsupported number of stop bits: %r" % self._stopbits)

if self._rtscts and self._xonxoff:
            self._port_handle.Handshake = System.IO.Ports.Handshake.RequestToSendXOnXOff
        elif self._rtscts:
            self._port_handle.Handshake = System.IO.Ports.Handshake.RequestToSend
        elif self._xonxoff:
            self._port_handle.Handshake = System.IO.Ports.Handshake.XOnXOff
        else:
            self._port_handle.Handshake = getattr(System.IO.Ports.Handshake, 'None')   # reserved keyword in Py3k

#~ def __del__(self):
        #~ self.close()

def close(self):
        """Close port"""
        if self.is_open:
            if self._port_handle:
                try:
                    self._port_handle.Close()
                except System.IO.Ports.InvalidOperationException:
                    # ignore errors. can happen for unplugged USB serial devices
                    pass
                self._port_handle = None
            self.is_open = False

#  -  -  -  -  -  -  -  -  -  -  -  -  -  -  -  -  -  -  -  -  -  -  -  -

@property
    def in_waiting(self):
        """Return the number of characters currently in the input buffer."""
        if not self.is_open:
            raise PortNotOpenError()
        return self._port_handle.BytesToRead

def read(self, size=1):
        """\
        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.
        """
        if not self.is_open:
            raise PortNotOpenError()
        # must use single byte reads as this is the only way to read
        # without applying encodings
        data = bytearray()
        while size:
            try:
                data.append(self._port_handle.ReadByte())
            except System.TimeoutException:
                break
            else:
                size -= 1
        return bytes(data)

def write(self, data):
        """Output the given string over the serial port."""
        if not self.is_open:
            raise PortNotOpenError()
        #~ if not isinstance(data, (bytes, bytearray)):
            #~ raise TypeError('expected %s or bytearray, got %s' % (bytes, type(data)))
        try:
            # must call overloaded method with byte array argument
            # as this is the only one not applying encodings
            self._port_handle.Write(as_byte_array(data), 0, len(data))
        except System.TimeoutException:
            raise SerialTimeoutException('Write timeout')
        return len(data)

def reset_input_buffer(self):
        """Clear input buffer, discarding all that is in the buffer."""
        if not self.is_open:
            raise PortNotOpenError()
        self._port_handle.DiscardInBuffer()

def reset_output_buffer(self):
        """\
        Clear output buffer, aborting the current output and
        discarding all that is in the buffer.
        """
        if not self.is_open:
            raise PortNotOpenError()
        self._port_handle.DiscardOutBuffer()

def _update_break_state(self):
        """
        Set break: Controls TXD. When active, to transmitting is possible.
        """
        if not self.is_open:
            raise PortNotOpenError()
        self._port_handle.BreakState = bool(self._break_state)

def _update_rts_state(self):
        """Set terminal status line: Request To Send"""
        if not self.is_open:
            raise PortNotOpenError()
        self._port_handle.RtsEnable = bool(self._rts_state)

def _update_dtr_state(self):
        """Set terminal status line: Data Terminal Ready"""
        if not self.is_open:
            raise PortNotOpenError()
        self._port_handle.DtrEnable = bool(self._dtr_state)

@property
    def cts(self):
        """Read terminal status line: Clear To Send"""
        if not self.is_open:
            raise PortNotOpenError()
        return self._port_handle.CtsHolding

@property
    def dsr(self):
        """Read terminal status line: Data Set Ready"""
        if not self.is_open:
            raise PortNotOpenError()
        return self._port_handle.DsrHolding

@property
    def ri(self):
        """Read terminal status line: Ring Indicator"""
        if not self.is_open:
            raise PortNotOpenError()
        #~ return self._port_handle.XXX
        return False  # XXX an error would be better

@property
    def cd(self):
        """Read terminal status line: Carrier Detect"""
        if not self.is_open:
            raise PortNotOpenError()
        return self._port_handle.CDHolding

# - - platform specific - - - -
    # none

cmd: