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Name	Size	Permission	Date
__pycache__	[ DIR ]	drwxr-xr-x	2016-11-15 15:19
__init__.py	0 B	-rw-r--r--	2015-08-03 00:00
protocol_alt.py	1.65 KB	-rw-r--r--	2015-12-16 22:50
protocol_hwgrep.py	2.97 KB	-rw-r--r--	2015-12-22 22:46
protocol_loop.py	9.26 KB	-rw-r--r--	2015-12-16 22:51
protocol_rfc2217.py	269 B	-rw-r--r--	2015-12-16 23:01
protocol_socket.py	9.6 KB	-rw-r--r--	2015-12-16 23:00
protocol_spy.py	8.1 KB	-rw-r--r--	2015-12-16 22:51

Rename

#! python
#
# This module implements a special URL handler that allows selecting an
# alternate implementation provided by some backends.
#
# This file is part of pySerial. https://github.com/pyserial/pyserial
# (C) 2015 Chris Liechti <cliechti@gmx.net>
#
# SPDX-License-Identifier:    BSD-3-Clause
#
# URL format:    alt://port[?option[=value][&option[=value]]]
# options:
# - class=X used class named X instead of Serial
#
# example:
#   use poll based implementation on Posix (Linux):
#   python -m serial.tools.miniterm alt:///dev/ttyUSB0?class=PosixPollSerial

import sys
import time

import serial

try:
    import urlparse
except ImportError:
    import urllib.parse as urlparse

def serial_class_for_url(url):
    """extract host and port from an URL string"""
    parts = urlparse.urlsplit(url)
    if parts.scheme != 'alt':
        raise serial.SerialException('expected a string in the form "alt://port[?option[=value][&option[=value]]]": not starting with alt:// (%r)' % (parts.scheme,))
    class_name = 'Serial'
    try:
        for option, values in urlparse.parse_qs(parts.query, True).items():
            if option == 'class':
                class_name = values[0]
            else:
                raise ValueError('unknown option: %r' % (option,))
    except ValueError as e:
        raise serial.SerialException('expected a string in the form "alt://port[?option[=value][&option[=value]]]": %s' % e)
    return (''.join([parts.netloc, parts.path]), getattr(serial, class_name))

# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
if __name__ == '__main__':
    s = serial_for_url('alt:///dev/ttyS0?class=PosixPollSerial')
    print(s)