109 lines
3.1 KiB
Python
109 lines
3.1 KiB
Python
import os
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import sys
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import time
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import string
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import serial
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import logging
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import signal
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import json
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# Get environment variables
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env = dict(os.environ)
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LOGGER: logging.Logger
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class Runner:
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running: bool = True
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def __init__(self):
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signal.signal(signal.SIGINT, self.stop)
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signal.signal(signal.SIGTERM, self.stop)
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def stop(self, _):
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self.running = False
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def send(port: serial.Serial, d: str):
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port.write((d+'\r').encode('ascii'))
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port.flush()
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def receive(port: serial.Serial, d: str) -> str:
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r = port.read_until(b'\r').decode('ascii').rstrip()
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LOGGER.debug(f"{d} : {r}")
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return r
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def bruteforceCommands(port: serial.Serial):
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# T and S cause unwanted shutdown
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letters = string.ascii_uppercase.replace('T','').replace('S','')
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LOGGER.debug(f"Test commands: {letters}")
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for c in letters:
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send(port, c)
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receive(port, c)
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for n in range(10):
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d = c+f"{n:1d}"
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send(port, d)
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receive(port, d)
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for n in range(100):
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d = c+f"{n:02d}"
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send(port, d)
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receive(port, d)
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def main():
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INTERVAL = int(env['INTERVAL'])
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run = Runner.running
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port = serial.Serial(port=env['PORT'], baudrate=int(env['BAUD']), bytesize=8, parity='N', stopbits=1)
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while run:
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try:
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send(port, "Q1")
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data = receive(port, "Q1").lstrip('(').split()
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if len(data) < 8:
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LOGGER.error(f"Incomplete data: {data}")
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continue
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values = {
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'inV': float(data[0]),
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'outV': float(data[2]),
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'loadPercent': float(data[3]),
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'lineFreq': float(data[4]),
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'timeLeft': float(data[5]),
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'onBatt': True if str(data[7]).startswith('1') else False,
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'onLine': True if str(data[7]).endswith('1') else False,
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}
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LOGGER.debug(f"UPS Status: \n{json.dumps(values, indent=2)}")
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time.sleep(INTERVAL)
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except KeyboardInterrupt:
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run = False
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except Exception as e:
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print(f"Unexpected exception: [{e}]")
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return 1
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port.close()
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if __name__ == "__main__":
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# Logger Constants
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LOG_FORMAT = '%(asctime)s| %(levelname)-7s|%(funcName)-10s|%(lineno)-3d: %(message)-50s'
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# Enabling Logger
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LOGGER = logging.getLogger(__name__)
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LOGGER.setLevel(logging.DEBUG)
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LOGGER.propagate = False
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formatter = logging.Formatter(LOG_FORMAT, None)
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levels = logging.getLevelNamesMapping()
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# File logging
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log_name = os.path.abspath(env['LOG_FILE'])
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fh = logging.FileHandler(log_name)
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fh.setLevel(levels[env['LOG_FILE_LVL']])
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fh.setFormatter(formatter)
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LOGGER.addHandler(fh)
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# Console logging
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cl = logging.StreamHandler(sys.stdout)
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cl.setLevel(levels[env['LOG_CLI_LVL']])
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cl.setFormatter(formatter)
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LOGGER.addHandler(cl)
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LOGGER.warning(f"UPSmon started on: {time.asctime()}")
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while main():
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LOGGER.error("Main thread exited unexpectedly")
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time.sleep(15)
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sys.exit(0)
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