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16a29f7e5d
Author | SHA1 | Date | |
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16a29f7e5d | |||
0f0fd6ebf2 |
63
event_mgr.py
63
event_mgr.py
@ -1,6 +1,7 @@
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#!/usr/bin/env python
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#!/usr/bin/env python
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import otime
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import otime
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import pickle
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import mtr_log_extractor as mle
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import json
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import asyncio
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import asyncio
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from difflib import Differ
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from difflib import Differ
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from watchgod import awatch
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from watchgod import awatch
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@ -18,52 +19,70 @@ def start():
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event.import_ttime_db(config['db_file'])
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event.import_ttime_db(config['db_file'])
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event.import_mtr_file('/home/trygve/Documents/sprintcup040330/sprintcup040330.log')
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event.import_mtr_file('/home/trygve/Documents/sprintcup040330/sprintcup040330.log')
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event.match_runners_cards()
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event.match_runners_cards()
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#event.get_xml_res().write(config['xml_res_file'])
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global db_file
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global db_file
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global db_file_u
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global db_file_u
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db_file = open(config['db_file'], 'r', encoding='latin_1').read().splitlines()
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db_file = open(config['db_file'], 'r', encoding='latin_1').read().splitlines()
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async def main():
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async def main():
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async for changes in awatch(config['db_file']):
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async for changes in awatch(config['db_file']):
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#print(dir(changes))
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#print(changes.difference()
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global event
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global event
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global db_file
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global db_file
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global db_file_u
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global db_file_u
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print(len(event.runners))
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db_file_u = open(config['db_file'], 'r', encoding='latin_1').read().splitlines()
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db_file_u = open(config['db_file'], 'r', encoding='latin_1').read().splitlines()
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d = Differ()
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d = Differ()
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result = list(d.compare(db_file, db_file_u))
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result = list(d.compare(db_file, db_file_u))
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db_file = db_file_u
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db_file = db_file_u
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added_raw = []
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removed_raw = []
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added = []
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removed = []
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changed = []
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for line in result:
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for line in result:
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if line[:1] == '+':
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if line[:1] == '+':
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print(line)
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#print(line)
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clean = str(line).replace('+ ', '').split(';')
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clean = str(line).replace('+ ', '').split(';')
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runner = otime.runner.from_string(clean, event.o_classes)
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runner = otime.runner.from_string(clean, event.o_classes)
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inspect(runner)
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added_raw.append(runner)
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for i, n in enumerate(event.runners):
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if n.id == runner.id:
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inspect(n)
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event.runners[i] = runner
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inspect(n)
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event.match_runners_cards()
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inspect(n)
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elif line[:1] == '-':
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elif line[:1] == '-':
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print(line)
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#print(line)
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print('MINUS')
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clean = str(line).replace('- ', '').split(';')
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clean = str(line).replace('- ', '').split(';')
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r_id = clean[1]
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runner = otime.runner.from_string(clean, event.o_classes)
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print(r_id)
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removed_raw.append(runner)
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for plus in added_raw:
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for index, minus in enumerate(removed_raw):
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if plus.id == minus.id:
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changed.append(plus)
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removed_raw[index] = plus
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break
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added = [x for x in added_raw if x not in changed]
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removed = [x for x in removed_raw if x not in changed]
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#print(len(added_raw),len(removed_raw))
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#print(len(added),len(removed),len(changed))
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event.runners.extend(added)
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for r in removed:
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for n in event.runners:
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if n.id == r.id:
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event.runners.remove(n)
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for change in changed:
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for i, n in enumerate(event.runners):
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for i, n in enumerate(event.runners):
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if n.id == r_id:
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if n.id == runner.id:
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inspect(n)
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event.runners[i] = runner
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print(len(event.runners))
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event.match_runners_cards()
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event.runners.remove(n)
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print(len(event.runners))
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print(len(event.runners))
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event.get_xml_res().write(config['xml_res_file'])
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db_file_u = None
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db_file_u = None
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if __name__ == "__main__":
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if __name__ == "__main__":
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print(dir(mle))
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print('🤔')
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start()
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start()
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asyncio.run(main())
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asyncio.run(main())
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200
mtr_log_extractor.py
Normal file
200
mtr_log_extractor.py
Normal file
@ -0,0 +1,200 @@
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#!/usr/bin/env python3
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import argparse
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import logging
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import logging.handlers
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import os
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import serial
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import sys
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from datetime import datetime, timedelta
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import time
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import mtrreader
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import mtrlog
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def create_argparser():
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argparser = argparse.ArgumentParser(
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formatter_class=argparse.ArgumentDefaultsHelpFormatter)
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argparser.add_argument(
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'-p',
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'--serial-port',
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default='/dev/ttyMTR',
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help="Serial port device of MTR")
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argparser.add_argument(
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'-t',
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'--serial-port-polling-timeout',
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metavar='TIMEOUT',
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type=int,
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help=(
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'Number of seconds to spend polling MTR for status before '
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'giving up. (Exits with status code {} on timeout.)'.format(
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exit_code_serial_port_unresponsive)))
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argparser.add_argument(
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'-f',
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'--output-file-name',
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default="mtr-{}.log",
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help=(
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'Name of output file in the "MTR log file" format read by '
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'tTime (See http://ttime.no. Format described at '
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'http://ttime.no/rs232.pdf.) '
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'A {} in the filename will be replaced with a timestamp in '
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'the ISO 8601 combined date and time basic format.'))
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argparser.add_argument(
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'-d',
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'--destination',
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nargs='+',
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metavar='DEST_ARG',
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help=(
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"Send MTR log file to a destination. Supported destinations: "
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"an HTTP URL (accepting POST form uploads) or "
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"'dropbox path/to/apitokenfile [/upload/dir]'"))
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argparser.add_argument(
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'-l',
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'--log',
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nargs='+',
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metavar='LOG_ARG',
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default=['syslog', '/dev/log', 'local0'],
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help=(
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"Configure logging. LOG_ARG can be a log file path or the "
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"default (using multiple values) 'syslog [SOCKET] [FACILITY]' "
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"where SOCKET is '/dev/log' and FACILITY is 'local0' by "
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"default."))
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return argparser
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def initialize_logging():
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logger = logging.getLogger()
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logger.setLevel(logging.DEBUG)
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if args.log[0] == 'syslog':
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address = args.log[1] if len(args.log) >= 2 else '/dev/log'
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facility = args.log[2] if len(args.log) >= 3 else 'local0'
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syslog_handler = logging.handlers.SysLogHandler(
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address=address,
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facility=facility)
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syslog_handler.setFormatter(logging.Formatter(logging.BASIC_FORMAT))
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logger.addHandler(syslog_handler)
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else:
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log_file = args.log[0]
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file_handler = logging.handlers.WatchedFileHandler(log_file)
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file_handler.setFormatter(logging.Formatter(logging.BASIC_FORMAT))
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logger.addHandler(file_handler)
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return logger
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def should_poll_mtr_for_status(timeout_uptime):
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no_timeout_set = timeout_uptime is None
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return no_timeout_set or uptime() < timeout_uptime
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def uptime():
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with open('/proc/uptime', 'r') as f:
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uptime_seconds = float(f.readline().split()[0])
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return timedelta(seconds=uptime_seconds)
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def is_status_response(messages):
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return (len(messages) == 1
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and isinstance(messages[0], mtrreader.MtrStatusMessage))
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def serial_port_with_live_mtr(
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port, polling_timeout_secs, retry_wait_time_secs, serial_timeout_secs):
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if polling_timeout_secs is None:
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polling_timeout_uptime = None
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logger.info("Polling serial port %s forever", port)
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else:
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polling_timeout_uptime = (
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uptime() + timedelta(seconds=polling_timeout_secs))
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logger.info(
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"Polling serial port %s for status for %s seconds (until "
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"uptime is %s)",
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port, polling_timeout_secs, polling_timeout_uptime)
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while should_poll_mtr_for_status(polling_timeout_uptime):
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try:
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serial_port = serial.Serial(
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port=port, baudrate=9600, timeout=serial_timeout_secs)
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logger.info(
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"Opened serial port %s, sending 'status' command '/ST'...",
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port)
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mtr_reader_status = mtrreader.MtrReader(serial_port)
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mtr_reader_status.send_status_command()
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messages = mtr_reader_status.receive()
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if is_status_response(messages):
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logger.info(
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"MTR status response received, ID is %d",
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messages[0].mtr_id())
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return serial_port
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except serial.SerialException:
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# Just log the error, the device could have been suddenly
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# connected and could be responding next time.
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logger.info((
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"MTR status polling failed; Serial port %s was closed or "
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"couldn't be opened"), port)
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logger.info(
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"Retrying MTR status polling in %d seconds",
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retry_wait_time_secs)
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time.sleep(retry_wait_time_secs)
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logger.info(
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"No status response received on serial port %s in %d seconds. "
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"Giving up.",
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port, polling_timeout_secs)
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return None
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def write_mtr_log_file(log_lines, output_filename):
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with open(output_filename, 'wb') as output_file:
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for log_line in log_lines:
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output_file.write(("%s\n" % log_line).encode('utf-8'))
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logger.info("Wrote log file %s", output_filename)
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return output_filename
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def upload_mtr_log_file_dropbox(log_file_name, upload_dir, token):
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dbx = dropbox.Dropbox(token)
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with open(log_file_name, 'rb') as f:
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upload_filename = os.path.basename(f.name)
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dbx.files_upload(f.read(), upload_dir + "/" + upload_filename)
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return
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def upload_mtr_log_file_http(log_file_name, url):
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with open(log_file_name, 'rb') as f:
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requests.post(url, files={'file': f})
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return
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exit_code_serial_port_unresponsive = 100
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argparser = create_argparser()
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args = argparser.parse_args()
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logger = initialize_logging()
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serial_port = serial_port_with_live_mtr(
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args.serial_port,
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polling_timeout_secs=args.serial_port_polling_timeout,
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retry_wait_time_secs=5,
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serial_timeout_secs=3)
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if serial_port is None:
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logger.info(
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"Serial port is unresponsive, exiting... (status=%d)",
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exit_code_serial_port_unresponsive)
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sys.exit(exit_code_serial_port_unresponsive)
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mtr_reader = mtrreader.MtrReader(serial_port)
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destination_args = args.destination
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dropbox_api_token = None
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output_filename = (
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args.output_file_name.format(datetime.now().strftime('%Y%m%dT%H%M%S')))
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mtr_reader.send_spool_all_command()
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data_messages = mtr_reader.receive()
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datetime_extracted = datetime.now()
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log_lines = mtrlog.MtrLogFormatter().format_all(
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data_messages, datetime_extracted)
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mtr_log_file_name = write_mtr_log_file(log_lines, output_filename)
|
47
mtrlog.py
Normal file
47
mtrlog.py
Normal file
@ -0,0 +1,47 @@
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|
import logging
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|
|
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|
logger = logging.getLogger()
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|
|
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|
|
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|
class MtrLogFormatter:
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|
|
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|
def format_all(self, data_messages, datetime_extracted):
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log_lines = []
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for data_message in data_messages:
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log_lines.append(self.format(data_message, datetime_extracted))
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return log_lines
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|
def format(self, msg, datetime_extracted):
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|
log_line = []
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log_line.append('"M"')
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log_line.append('"0"')
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log_line.append('"%d"' % msg.mtr_id())
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log_line.append('"%06d"' % msg.card_id())
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print('"%06d"' % msg.card_id())
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|
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|
log_line.append(
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|
'"%s"' % datetime_extracted.strftime('%d.%m.%y %H:%M:%S.000'))
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|
log_line.append(
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|
'"%02d.%02d.%02d %02d:%02d:%02d.%03d"' % (
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|
msg.timestamp_day(),
|
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|
msg.timestamp_month(),
|
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|
msg.timestamp_year(),
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||||||
|
msg.timestamp_hours(),
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|
msg.timestamp_minutes(),
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|
msg.timestamp_seconds(),
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|
msg.timestamp_milliseconds()))
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|
log_line.append('%06d' % msg.card_id())
|
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|
log_line.append('%04d' % 0) # skipped product week
|
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|
log_line.append('%04d' % 0) # skipped product year
|
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|
controls = []
|
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|
for (control_code, time_at_control) in msg.splits():
|
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|
log_line.append('%03d' % control_code)
|
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|
controls.append('%03d' % control_code)
|
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|
|
||||||
|
log_line.append('%05d' % time_at_control)
|
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|
print(controls)
|
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|
log_line.append('%07d' % msg.packet_num())
|
||||||
|
|
||||||
|
log_line_str = ",".join(log_line)
|
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|
logger.info("Converted message to log line format: %s", log_line_str)
|
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|
return log_line_str
|
276
mtrreader.py
Normal file
276
mtrreader.py
Normal file
@ -0,0 +1,276 @@
|
|||||||
|
# From http://ttime.no/rs232.pdf
|
||||||
|
#
|
||||||
|
# MESSAGE DESCRIPTION:
|
||||||
|
# ====================
|
||||||
|
#
|
||||||
|
# MTR--datamessage
|
||||||
|
# ---------------
|
||||||
|
# Fieldname # bytes
|
||||||
|
# Preamble 4 FFFFFFFF(hex) (4 "FF"'s never occur "inside" a message).
|
||||||
|
# (Can be used to "resynchronize" logic if a connection is
|
||||||
|
# broken)
|
||||||
|
# Package-size 1 number of bytes excluding preamble (=230)
|
||||||
|
# Package-type 1 'M' as "MTR-datamessage"
|
||||||
|
# MTR-id 2 Serial number of MTR2; Least significant byte first
|
||||||
|
# Timestamp 6 Binary Year, Month, Day, Hour, Minute, Second
|
||||||
|
# TS-milliseconds 2 Milliseconds NOT YET USED, WILL BE 0 IN THIS VERSION
|
||||||
|
# Package# 4 Binary Counter, from 1 and up; Least sign byte first
|
||||||
|
# Card-id 3 Binary, Least sign byte first
|
||||||
|
# Producweek 1 0-53 ; 0 when package is retrived from "history"
|
||||||
|
# Producyear 1 94-99,0-..X ; 0 when package is retrived from "history"
|
||||||
|
# ECardHeadSum 1 Headchecksum from card; 0 when package is retrived from
|
||||||
|
# "history"
|
||||||
|
# The following fields are repeated 50 times:
|
||||||
|
# CodeN 1 ControlCode; unused positions have 0
|
||||||
|
# TimeN 2 Time binary seconds. Least sign. first, Most sign. last;
|
||||||
|
# unused:0
|
||||||
|
# ASCII-string 56 Various info depending on ECard-type; 20h (all spaces)
|
||||||
|
# when retr. from "history" (See ASCII-String)
|
||||||
|
# Checksum 1 Binary SUM (MOD 256) of all bytes including Preamble
|
||||||
|
# NULL-Filler 1 Binary 0 (to avoid potential 5 FF's. Making it easier to
|
||||||
|
# hunt PREAMBLE
|
||||||
|
# ---------------------------------------
|
||||||
|
# Size 234
|
||||||
|
#
|
||||||
|
# Status-message
|
||||||
|
# --------------
|
||||||
|
# Fieldname # bytes
|
||||||
|
# Preamble 4 FFFFFFFF(hex) (FFFFFFFF never occur elsewhere within
|
||||||
|
# a frame).
|
||||||
|
# Package-size 1 number of bytes excluding preamble (=55)
|
||||||
|
# Package-type 1 'S' as "Status-message" (0x53)
|
||||||
|
# MTR-id 2 Serial number of MTR2.
|
||||||
|
# CurrentTime 6 Binary Year, Month, Day, Hour, Minute, Second
|
||||||
|
# CurrentMilliseconds 2 Milliseconds NOT YET USED, WILL BE 0 IN THIS VERSION
|
||||||
|
# BatteryStatus 1 1 if battery low. 0 if battery OK.
|
||||||
|
# RecentPackage# 4 if this is 0, then ALL following # should be ignored!
|
||||||
|
# OldestPackage# 4 note: If RecentPack==0 then this is still 1! meaning:
|
||||||
|
# Number of packages in MTR is
|
||||||
|
# "RecentPackage# - OldestPackage# + 1"
|
||||||
|
# CurrentSessionStart# 4 Current session is from here to RecentPackage
|
||||||
|
# (if NOT = 0)
|
||||||
|
# Prev1SessStart# 4 Prev session was from Prev1SessStart# to
|
||||||
|
# CurrentSessionStart# - 1
|
||||||
|
# Prev2SessStart# 4
|
||||||
|
# Prev3SessStart# 4
|
||||||
|
# Prev4SessStart# 4
|
||||||
|
# Prev5SessStart# 4
|
||||||
|
# Prev6SessStart# 4
|
||||||
|
# Prev7SessStart# 4
|
||||||
|
# Checksum 1 Binary SUM (MOD 256) of all bytes including Preamble
|
||||||
|
# NULL-Filler 1 Binary 0 (to avoid potential 5 FF's. Making it easier
|
||||||
|
# to hunt PREAMBLE
|
||||||
|
# ---------------------------------------
|
||||||
|
# Size 59
|
||||||
|
|
||||||
|
import logging
|
||||||
|
|
||||||
|
logger = logging.getLogger()
|
||||||
|
|
||||||
|
|
||||||
|
def extend_with(old_items, new_items):
|
||||||
|
old_items.extend(new_items)
|
||||||
|
return new_items
|
||||||
|
|
||||||
|
|
||||||
|
def checksum_of(message_bytes):
|
||||||
|
return sum(message_bytes) % 256
|
||||||
|
|
||||||
|
|
||||||
|
class MtrReader:
|
||||||
|
|
||||||
|
def __init__(self, serial_port):
|
||||||
|
self.serial_port = serial_port
|
||||||
|
|
||||||
|
def send_status_command(self):
|
||||||
|
self.serial_port.write(b'/ST')
|
||||||
|
|
||||||
|
def send_spool_all_command(self):
|
||||||
|
self.serial_port.write(b'/SA')
|
||||||
|
|
||||||
|
def receive(self):
|
||||||
|
messages = []
|
||||||
|
timed_out = False
|
||||||
|
PREAMBLE = b'\xFF\xFF\xFF\xFF'
|
||||||
|
while not timed_out:
|
||||||
|
preamble_buffer = bytearray()
|
||||||
|
while preamble_buffer != PREAMBLE:
|
||||||
|
if len(preamble_buffer) == len(PREAMBLE):
|
||||||
|
# make room for incoming byte
|
||||||
|
preamble_buffer.pop(0)
|
||||||
|
|
||||||
|
bytes_read_waiting = self.serial_port.read()
|
||||||
|
timed_out = len(bytes_read_waiting) == 0
|
||||||
|
if timed_out:
|
||||||
|
logger.debug(
|
||||||
|
'Timed out, returning %d messages', len(messages))
|
||||||
|
return messages
|
||||||
|
|
||||||
|
preamble_buffer.extend(bytes_read_waiting)
|
||||||
|
logger.debug(
|
||||||
|
'Byte read waiting (hex): %s '
|
||||||
|
'(current preamble buffer: %s)',
|
||||||
|
bytes_read_waiting.hex(),
|
||||||
|
preamble_buffer.hex())
|
||||||
|
|
||||||
|
logger.debug('Saw preable, start package parsing')
|
||||||
|
message_bytes = bytearray()
|
||||||
|
message_bytes.extend(preamble_buffer)
|
||||||
|
|
||||||
|
package_size_numbytes = 1
|
||||||
|
package_type_numbytes = 1
|
||||||
|
package_size = int.from_bytes(
|
||||||
|
extend_with(
|
||||||
|
message_bytes,
|
||||||
|
self.serial_port.read(package_size_numbytes)),
|
||||||
|
'little')
|
||||||
|
package_type = int.from_bytes(
|
||||||
|
extend_with(
|
||||||
|
message_bytes,
|
||||||
|
self.serial_port.read(package_type_numbytes)),
|
||||||
|
'little')
|
||||||
|
|
||||||
|
num_remaining_bytes_expected = (
|
||||||
|
package_size
|
||||||
|
- package_size_numbytes
|
||||||
|
- package_type_numbytes)
|
||||||
|
remaining_bytes = self.serial_port.read(
|
||||||
|
num_remaining_bytes_expected)
|
||||||
|
if len(remaining_bytes) < num_remaining_bytes_expected:
|
||||||
|
logger.warning('Did not receive expected number of bytes')
|
||||||
|
continue
|
||||||
|
message_bytes.extend(remaining_bytes)
|
||||||
|
|
||||||
|
msg = None
|
||||||
|
if (package_type == ord('M')):
|
||||||
|
msg = MtrDataMessage(message_bytes)
|
||||||
|
elif package_type == ord('S'):
|
||||||
|
msg = MtrStatusMessage(message_bytes)
|
||||||
|
else:
|
||||||
|
logger.warning('Got unsupported package type %d', package_type)
|
||||||
|
continue
|
||||||
|
|
||||||
|
logger.info(
|
||||||
|
"Got message number %d (hex): %s",
|
||||||
|
len(messages) + 1, message_bytes.hex())
|
||||||
|
if not msg.is_checksum_valid():
|
||||||
|
logger.warning("Message has incorrect checksum")
|
||||||
|
continue
|
||||||
|
|
||||||
|
messages.append(msg)
|
||||||
|
|
||||||
|
return messages
|
||||||
|
|
||||||
|
|
||||||
|
class MtrStatusMessage:
|
||||||
|
|
||||||
|
def __init__(self, message_bytes):
|
||||||
|
self.message_bytes = message_bytes
|
||||||
|
|
||||||
|
def mtr_id(self):
|
||||||
|
return int.from_bytes(self.message_bytes[6:8], 'little')
|
||||||
|
|
||||||
|
def timestamp_year(self):
|
||||||
|
return int.from_bytes(self.message_bytes[8:9], 'little')
|
||||||
|
|
||||||
|
def timestamp_month(self):
|
||||||
|
return int.from_bytes(self.message_bytes[9:10], 'little')
|
||||||
|
|
||||||
|
def timestamp_day(self):
|
||||||
|
return int.from_bytes(self.message_bytes[10:11], 'little')
|
||||||
|
|
||||||
|
def timestamp_hours(self):
|
||||||
|
return int.from_bytes(self.message_bytes[11:12], 'little')
|
||||||
|
|
||||||
|
def timestamp_minutes(self):
|
||||||
|
return int.from_bytes(self.message_bytes[12:13], 'little')
|
||||||
|
|
||||||
|
def timestamp_seconds(self):
|
||||||
|
return int.from_bytes(self.message_bytes[13:14], 'little')
|
||||||
|
|
||||||
|
def timestamp_milliseconds(self):
|
||||||
|
return int.from_bytes(self.message_bytes[14:16], 'little')
|
||||||
|
|
||||||
|
def battery_status(self):
|
||||||
|
return int.from_bytes(self.message_bytes[16:17], 'little')
|
||||||
|
|
||||||
|
# package number fields not supported (yet)
|
||||||
|
|
||||||
|
def is_checksum_valid(self):
|
||||||
|
checksum = int.from_bytes(self.message_bytes[57:58], 'little')
|
||||||
|
# calculate checksum for message bytes up until checksum
|
||||||
|
calculated_checksum = checksum_of(self.message_bytes[:57])
|
||||||
|
logger.debug(
|
||||||
|
"Calculated checksum %d, read %d",
|
||||||
|
calculated_checksum, checksum)
|
||||||
|
return checksum == calculated_checksum
|
||||||
|
|
||||||
|
|
||||||
|
class MtrDataMessage:
|
||||||
|
|
||||||
|
def __init__(self, message_bytes):
|
||||||
|
self.message_bytes = message_bytes
|
||||||
|
|
||||||
|
def mtr_id(self):
|
||||||
|
return int.from_bytes(self.message_bytes[6:8], 'little')
|
||||||
|
|
||||||
|
def timestamp_year(self):
|
||||||
|
return int.from_bytes(self.message_bytes[8:9], 'little')
|
||||||
|
|
||||||
|
def timestamp_month(self):
|
||||||
|
return int.from_bytes(self.message_bytes[9:10], 'little')
|
||||||
|
|
||||||
|
def timestamp_day(self):
|
||||||
|
return int.from_bytes(self.message_bytes[10:11], 'little')
|
||||||
|
|
||||||
|
def timestamp_hours(self):
|
||||||
|
return int.from_bytes(self.message_bytes[11:12], 'little')
|
||||||
|
|
||||||
|
def timestamp_minutes(self):
|
||||||
|
return int.from_bytes(self.message_bytes[12:13], 'little')
|
||||||
|
|
||||||
|
def timestamp_seconds(self):
|
||||||
|
return int.from_bytes(self.message_bytes[13:14], 'little')
|
||||||
|
|
||||||
|
def timestamp_milliseconds(self):
|
||||||
|
return int.from_bytes(self.message_bytes[14:16], 'little')
|
||||||
|
|
||||||
|
def packet_num(self):
|
||||||
|
return int.from_bytes(self.message_bytes[16:20], 'little')
|
||||||
|
|
||||||
|
def card_id(self):
|
||||||
|
return int.from_bytes(self.message_bytes[20:23], 'little')
|
||||||
|
|
||||||
|
# product week (1 byte)
|
||||||
|
# product year (1 byte)
|
||||||
|
# ecard head checksum (1 byte)
|
||||||
|
|
||||||
|
def splits(self):
|
||||||
|
splits = []
|
||||||
|
splits_offset = 26
|
||||||
|
code_numbytes = 1
|
||||||
|
time_numbytes = 2
|
||||||
|
split_numbytes = code_numbytes + time_numbytes
|
||||||
|
for split_index in range(50):
|
||||||
|
code_offset = splits_offset + split_index * split_numbytes
|
||||||
|
time_offset = code_offset + code_numbytes
|
||||||
|
code = int.from_bytes(
|
||||||
|
self.message_bytes[code_offset:code_offset+code_numbytes],
|
||||||
|
'little')
|
||||||
|
time = int.from_bytes(
|
||||||
|
self.message_bytes[time_offset:time_offset+time_numbytes],
|
||||||
|
'little')
|
||||||
|
splits.append((code, time))
|
||||||
|
return splits
|
||||||
|
|
||||||
|
def ascii_string(self):
|
||||||
|
return self.message_bytes[176:232].decode('ascii')
|
||||||
|
|
||||||
|
def is_checksum_valid(self):
|
||||||
|
checksum = int.from_bytes(self.message_bytes[232:233], 'little')
|
||||||
|
# calculate checksum for message bytes up until checksum
|
||||||
|
calculated_checksum = checksum_of(self.message_bytes[:232])
|
||||||
|
logger.debug(
|
||||||
|
"Calculated checksum %d, read %d",
|
||||||
|
calculated_checksum, checksum)
|
||||||
|
return checksum == calculated_checksum
|
41
serial_async_test.py
Normal file
41
serial_async_test.py
Normal file
@ -0,0 +1,41 @@
|
|||||||
|
import asyncio
|
||||||
|
import serial_asyncio
|
||||||
|
from rich.console import Console
|
||||||
|
from rich import inspect
|
||||||
|
from datetime import datetime
|
||||||
|
|
||||||
|
import mtrreader
|
||||||
|
import mtrlog
|
||||||
|
|
||||||
|
class OutputProtocol(asyncio.Protocol):
|
||||||
|
def connection_made(self, transport):
|
||||||
|
self.transport = transport
|
||||||
|
print('port opened', transport)
|
||||||
|
transport.serial.rts = False # You can manipulate Serial object via transport
|
||||||
|
transport.write(b'Hello, World!\n') # Write serial data via transport
|
||||||
|
|
||||||
|
def data_received(self, data):
|
||||||
|
print('data received', repr(data))
|
||||||
|
msg = mtrreader.MtrDataMessage(data)
|
||||||
|
inspect(msg)
|
||||||
|
print(mtrlog.MtrLogFormatter.format(self, msg, datetime.now()))
|
||||||
|
if b'\n' in data:
|
||||||
|
self.transport.close()
|
||||||
|
|
||||||
|
def connection_lost(self, exc):
|
||||||
|
print('port closed')
|
||||||
|
self.transport.loop.stop()
|
||||||
|
|
||||||
|
def pause_writing(self):
|
||||||
|
print('pause writing')
|
||||||
|
print(self.transport.get_write_buffer_size())
|
||||||
|
|
||||||
|
def resume_writing(self):
|
||||||
|
print(self.transport.get_write_buffer_size())
|
||||||
|
print('resume writing')
|
||||||
|
|
||||||
|
loop = asyncio.get_event_loop()
|
||||||
|
coro = serial_asyncio.create_serial_connection(loop, OutputProtocol, '/dev/ttyUSB0', baudrate=9600)
|
||||||
|
transport, protocol = loop.run_until_complete(coro)
|
||||||
|
loop.run_forever()
|
||||||
|
loop.close()
|
Loading…
Reference in New Issue
Block a user