Mercurial > ~darius > hgwebdir.cgi > beermon.old
annotate beermon.py @ 12:9d5b291cfd01
Add/correct docstrings & comments.
| author | darius |
|---|---|
| date | Sat, 29 Sep 2007 14:51:20 +0000 |
| parents | 483375ca5d10 |
| children | c029d2195d19 |
| rev | line source |
|---|---|
| 1 | 1 #!/usr/bin/env python |
| 2 | |
| 3 | 3 ############################################################################ |
| 4 # Monitor & control fermenter temperature | |
| 5 # v1.0 | |
| 6 # | |
| 8 | 7 # $Id: beermon.py,v 1.7 2007/09/29 14:39:59 darius Exp $ |
| 3 | 8 # |
| 9 # Depends on: Python 2.3 (I think) | |
| 10 # | |
| 11 ############################################################################ | |
| 12 # | |
| 13 # Copyright (C) 2007 Daniel O'Connor. All rights reserved. | |
| 14 # | |
| 15 # Redistribution and use in source and binary forms, with or without | |
| 16 # modification, are permitted provided that the following conditions | |
| 17 # are met: | |
| 18 # 1. Redistributions of source code must retain the above copyright | |
| 19 # notice, this list of conditions and the following disclaimer. | |
| 20 # 2. Redistributions in binary form must reproduce the above copyright | |
| 21 # notice, this list of conditions and the following disclaimer in the | |
| 22 # documentation and/or other materials provided with the distribution. | |
| 23 # | |
| 24 # THIS SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS ``AS IS'' AND | |
| 25 # ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
| 26 # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
| 27 # ARE DISCLAIMED. IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE | |
| 28 # FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
| 29 # DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |
| 30 # OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
| 31 # HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |
| 32 # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | |
| 33 # OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |
| 34 # SUCH DAMAGE. | |
| 35 # | |
| 36 ############################################################################ | |
| 37 | |
| 38 | |
| 8 | 39 import time, logging, sys, traceback, ConfigParser, MonitorDev, Control |
| 1 | 40 from logging.handlers import RotatingFileHandler |
| 41 | |
| 3 | 42 def initLog(): |
| 43 # Init our logging | |
| 44 log = logging.getLogger("monitor") | |
| 45 | |
| 46 # Default to warts and all logging | |
| 47 log.setLevel(logging.DEBUG) | |
| 48 | |
| 49 # Log to this file | |
| 50 logfile = logging.handlers.RotatingFileHandler(filename = "/tmp/beermon.log", | |
| 51 maxBytes = 1000000, backupCount = 3) | |
| 52 | |
| 53 # And stderr | |
| 54 logstderr = logging.StreamHandler() | |
| 55 | |
| 56 # Format it nicely | |
| 57 formatter = logging.Formatter(fmt = "%(asctime)s: %(message)s", datefmt = "%Y/%m/%d %H:%M:%S") | |
| 58 | |
| 59 # Glue it all together | |
| 60 logfile.setFormatter(formatter) | |
| 61 logstderr.setFormatter(formatter) | |
| 62 log.addHandler(logfile) | |
| 63 log.addHandler(logstderr) | |
| 64 return(log) | |
| 65 | |
| 1 | 66 def main(): |
|
4
618372f83862
Wait on a condition var instead of using time.sleep() - this works
darius
parents:
3
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changeset
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67 global log |
|
618372f83862
Wait on a condition var instead of using time.sleep() - this works
darius
parents:
3
diff
changeset
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68 log = initLog() |
| 3 | 69 |
| 8 | 70 conf = ConfigParser.ConfigParser() |
| 71 conf.read('beermon.ini') | |
| 72 | |
| 73 for s in ['control', 'hardware']: | |
| 74 if (not conf.has_section(s)): | |
| 75 log.debug("Mandatory '%s' section missing from config file, exiting" % (s)) | |
| 76 sys.exit(1) | |
| 77 | |
| 3 | 78 log.debug("=== Initing ===") |
| 8 | 79 log.debug("$Id: beermon.py,v 1.7 2007/09/29 14:39:59 darius Exp $") |
| 1 | 80 |
| 8 | 81 try: |
| 82 m = MonitorDev.MonitorDev(log, conf) | |
| 83 c = Control.Control(log, m, conf) | |
| 84 except ConfigParser.NoOptionError, e: | |
| 85 log.debug("Mandatory option '%s' missing from section '%s'" % (e.option, e.section)) | |
| 86 sys.exit(1) | |
| 87 except ValueError, e: | |
| 88 log.debug("Unable to parse option - " + str(e)) | |
| 89 | |
|
4
618372f83862
Wait on a condition var instead of using time.sleep() - this works
darius
parents:
3
diff
changeset
|
90 exitCode = 0 |
| 1 | 91 try: |
| 92 # Wait for the first temperature readings to come through, saves | |
| 93 # getting an 'invalid data' message | |
| 8 | 94 # XXX: sleep on condvar holding data? |
| 1 | 95 time.sleep(3) |
| 96 c.doit() | |
| 97 log.debug("doit exited") | |
| 98 | |
| 99 except KeyboardInterrupt: | |
| 100 log.debug("Exiting due to keyboard interrupt") | |
| 3 | 101 |
|
4
618372f83862
Wait on a condition var instead of using time.sleep() - this works
darius
parents:
3
diff
changeset
|
102 except Exception, e: |
| 5 | 103 log.debug("Something went wrong, details below:") |
|
4
618372f83862
Wait on a condition var instead of using time.sleep() - this works
darius
parents:
3
diff
changeset
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104 log.debug(e) |
| 5 | 105 log.debug(reduce(lambda x, y: x + y, traceback.format_exception( |
| 106 sys.exc_type, sys.exc_value, sys.exc_traceback))) | |
|
4
618372f83862
Wait on a condition var instead of using time.sleep() - this works
darius
parents:
3
diff
changeset
|
107 exitCode = 1 |
| 8 | 108 |
| 1 | 109 finally: |
| 110 # Make sure we try and turn it off if something goes wrong | |
|
4
618372f83862
Wait on a condition var instead of using time.sleep() - this works
darius
parents:
3
diff
changeset
|
111 if (m != None): |
|
618372f83862
Wait on a condition var instead of using time.sleep() - this works
darius
parents:
3
diff
changeset
|
112 m.setState('idle') |
| 1 | 113 |
| 3 | 114 sys.exit(exitCode) |
| 1 | 115 |
| 116 if __name__ == "__main__": | |
| 117 main() |