gps303/common.py

   1 """ Common housekeeping for all daemons """
   2
   3 from configparser import ConfigParser
   4 from getopt import getopt
   5 from logging import getLogger, StreamHandler, DEBUG, INFO
   6 from sys import argv, stderr, stdout
   7
   8 CONF = "/etc/gps303.conf"
   9 PORT = 4303
  10 DBFN = "/var/lib/gps303/gps303.sqlite"
  11
  12 def init(log):
  13     opts, _ = getopt(argv[1:], "c:d")
  14     opts = dict(opts)
  15     conf = readconfig(opts["-c"] if "-c" in opts else CONF)
  16     if stdout.isatty():
  17         log.addHandler(StreamHandler(stderr))
  18     else:
  19         log.addHandler(SysLogHandler(address="/dev/log"))
  20     log.setLevel(DEBUG if "-d" in opts else INFO)
  21     log.info("starting with options: %s", opts)
  22     return conf
  23
  24 def readconfig(fname):
  25     config = ConfigParser()
  26     config["collector"] = {
  27         "port": PORT,
  28     }
  29     config["storage"] = {
  30         "dbfn": DBFN,
  31     }
  32     config["device"] = {}
  33     #_print_config(config)
  34     #print("now reading", fname)
  35     config.read(fname)
  36     #_print_config(config)
  37     return config
  38
  39 if __name__ == "__main__":
  40     from sys import argv
  41
  42     def _print_config(conf):
  43         for section in conf.sections():
  44             print("section", section)
  45             for option in conf.options(section):
  46                 print("    ", option, conf[section][option])
  47
  48     conf = readconfig(argv[1])
  49     _print_config(conf)
  50     print("binaryswitch", int(conf.get("device", "binaryswitch"), 0))