Publish 0.6 - migration to Python 3 and systemd-journal support
This commit is contained in:
Dan Srebnick
parent
616f3f2b5e
commit
ac275bee56
12
README
12
README
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@ -3,13 +3,13 @@ https://github.com/K2DLS/noaacap/wiki/noaacap
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ABOUT NOAACAP
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This software is written in python 2.7 and has been tested with aprx 2.9.x.
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This software is written in python 3.4 and has been tested with aprx 2.9.x.
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If you are running a version < 2.9.0 you should first update aprx. The current
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release may be found at http://thelifeofkenneth.com/aprx/debs/.
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Once you are running aprx >= 2.9, install noaacap:
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Install via sudo dpkg -i noaacap-0.5.deb. Then, to satisfy the dependencies,
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Install via sudo dpkg -i noaacap-0.6.deb. Then, to satisfy the dependencies,
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run sudo apt-get -f install.
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CONFIGURATION
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@ -23,10 +23,16 @@ cycle-size 2m
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beacon via WIDE2-1 \
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srccall N0CALL-13 \
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timeout 20 \
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exec /usr/local/bin/noaacap.py
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</beacon>
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The timeout was needed on my older and slower single core Raspberry Pi Model B.
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The aprx default timeout is 10 seconds and the timeout may not be needed on a
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RPi 2 or newer. If you need lots of "BEACON EXEC abnormal close" messages in
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aprx.log, then you likely need to add the timeout.
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The program will check for a new alert or update every 2 minutes, but only
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send if there is a change.
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@ -50,4 +56,4 @@ k2dls@k2dls.net with the callsign-SSID of your APRS station that is sending
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weather alerts via this program.
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Dan Srebnick, K2DLS
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08/19/2017
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09/13/2017
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@ -1,5 +1,5 @@
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Package: noaacap
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Version: 0.5
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Version: 0.6
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Section: hamradio
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Priority: extra
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Maintainer: Dan Srebnick <k2dls at k2dls.net>
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@ -1,4 +1,4 @@
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#!/usr/bin/python
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#!/usr/bin/python3
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## Author: Dan Srebnick, K2DLS
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## License: BSD-2-Clause (/usr/local/share/noaacap/LICENSE)
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@ -6,49 +6,84 @@
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##
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## See /usr/local/share/noaacap/CHANGELOG for change history
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##
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version = "0.5"
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version = "0.6"
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import sys
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import pytz, datetime
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import pytz
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import datetime
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import string
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import requests
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from bs4 import BeautifulSoup
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import bsddb
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import os
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import ConfigParser
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from bsddb3 import db
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from os import remove
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import os.path
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import configparser
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import re
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import logging
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from systemd.journal import JournalHandler
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log = logging.getLogger('noaacap')
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log.addHandler(JournalHandler(SYSLOG_IDENTIFIER='noaacap'))
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log.setLevel(logging.INFO)
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log.info("Starting")
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if len(sys.argv) == 2 and sys.argv[1] == '-v':
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print "noaacap.py by K2DLS, version " + version
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print
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print "A weather alert beacon exec for aprx >= 2.9"
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print "Licensed under the BSD 2 Clause license"
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print "Copyright 2017 by Daniel L. Srebnick"
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print
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print("noaacap.py by K2DLS, version " + version + "\n")
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print("A weather alert beacon exec for aprx >= 2.9")
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print("Licensed under the BSD 2 Clause license")
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print("Copyright 2017 by Daniel L. Srebnick\n")
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sys.exit(0)
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# We need this function early in execution
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def Exiting():
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log.info("Exiting")
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print()
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exit(0)
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conffile = '/etc/noaacap.conf'
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if not os.path.isfile(conffile):
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exit("\nError: " + conffile + " not found\n")
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log.error(conffile + " not found")
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Exiting()
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config = ConfigParser.ConfigParser()
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config = configparser.ConfigParser()
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try:
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config.read(conffile)
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except:
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exit("\nError: Check " + conffile + " for proper [noaacap] section heading\n")
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log.error("Check " + conffile + " for proper [noaacap] section heading")
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Exiting()
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try:
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myTZ = config.get('noaacap', 'myTZ')
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except:
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exit("\nError: Check " + conffile + " for proper myTZ value in [noaacap] section\n")
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log.error("Check " + conffile + " for proper myTZ value in [noaacap] section")
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Exiting()
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try:
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myZone = config.get('noaacap', 'myZone')
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except:
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exit("\nError: Check " + conffile + " for proper myZone value in [noaacap] section\n")
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log.error("Check " + conffile + " for proper myZone value in [noaacap] section")
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Exiting()
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url = 'https://alerts.weather.gov/cap/wwaatmget.php?x=' + myZone + '&y=0'
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r = requests.get(url)
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if r.status_code != 200:
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log.error(str(r.status_code) + " " + url)
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Exiting()
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soup = BeautifulSoup(r.text, 'xml')
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entries = soup.find_all('entry')
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count = len(entries)
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dbfile = '/dev/shm/noaacap.db'
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ppmap = '/usr/local/share/noaacap/ppmap.db'
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sg = {"W":"WARN ","A":"WATCH","Y":"ADVIS","S":"STMNT","F":"4CAST",
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"O":"OUTLK","N":"SYNOP"}
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# Define functions used in the for loop
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def aprstime(timestr,TZ):
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local = pytz.timezone (TZ)
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naive = datetime.datetime.strptime(timestr, "%Y-%m-%dT%H:%M:%S")
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@ -107,22 +142,6 @@ def parsezcs(zcs):
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zonelist.add(prefix + zone)
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return zonelist
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sg = {"W":"WARN ","A":"WATCH","Y":"ADVIS","S":"STMNT","F":"4CAST",
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"O":"OUTLK","N":"SYNOP"}
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url = 'https://alerts.weather.gov/cap/wwaatmget.php?x=' + myZone + '&y=0'
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try:
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r = requests.get(url)
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except:
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exit('\n')
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soup = BeautifulSoup(r.text, 'xml')
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entries = soup.find_all('entry')
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count = len(entries)
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dbfile = '/dev/shm/noaacap.db'
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ppmap = '/usr/local/share/noaacap/ppmap.db'
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hit = 0
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for i in range(0, count):
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@ -132,10 +151,12 @@ for i in range(0, count):
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break
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else:
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if i == 0:
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alerts = bsddb.hashopen(dbfile,'c')
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pp = bsddb.hashopen(ppmap,'r')
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alerts = db.DB()
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alerts.open(dbfile, None, db.DB_HASH, db.DB_CREATE)
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pp = db.DB()
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pp.open(ppmap, None, db.DB_HASH, db.DB_RDONLY)
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updated = str(entries[i].updated.string)
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updated = entries[i].updated.string
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if (entries[i].status.string == "Actual"):
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@ -144,15 +165,16 @@ for i in range(0, count):
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try:
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ProductClass, Action, Office, Phenomena, Significance, ETN, \
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EventBegin, EventEnd = vtecparse(VTEC['VTEC'].string)
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if (ProductClass <> "/O"): #Loop if not operational
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if (ProductClass != "/O"): #Loop if not operational
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continue
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except:
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continue #Loop if error parsing P-VTEC
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id = str(Office + Phenomena + Significance + ETN)
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id = bytes(str(Office + Phenomena + Significance + ETN), 'utf-8')
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if alerts.has_key(id):
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if alerts[id] == updated:
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if alerts[id].decode('utf-8') == updated:
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log.debug(id.decode('utf-8') + " " + updated + " found")
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continue
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alerts[id] = updated
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@ -176,10 +198,10 @@ for i in range(0, count):
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t = t + chr(s+61)
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# Pull specific alert to get compressed UGC zones
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try:
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rs = requests.get(entries[i].id.string)
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except:
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exit('\n')
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if rs.status_code != 200:
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log.error(str(rs.status_code) + " " + rs)
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Exiting()
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soup2 = BeautifulSoup(rs.text, 'xml')
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parms = soup2.find_all('parameter')
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@ -188,19 +210,22 @@ for i in range(0, count):
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if parms[j].valueName.string == 'UGC':
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zcs = parms[j].value.string
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type = pp[str(Phenomena)]
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event = sg[Significance]
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type = pp[bytes(Phenomena, 'utf-8')].decode('utf-8')
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if Action == "CAN":
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event = "CANCL"
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else:
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event = sg[Significance]
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hit = 1
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message = exputc + "z," + type + "," + zcs
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log.info("Msg: " + message)
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# Make sure message does not exceed 67 chars. If it
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# does, trim it. Also be certain that myZone is included
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# included in the trimmed zcs.
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n = 0
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while len(message) > 67:
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n = zcs.rfind('-')
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zcs = zcs[0:n]
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@ -209,10 +234,15 @@ for i in range(0, count):
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zcs = myZone + "-" + zcs
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message = exputc + "z," + type + "," + zcs
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if n > 0:
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log.info("Truncated Msg: " + message)
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line = "{" + t + "00"
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print ":NWS_" + event + ":" + message + line
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print(":NWS_" + event + ":" + message + line)
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break
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if (hit == 0):
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print
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print()
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log.info("Exiting")
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@ -1,5 +1,10 @@
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noaacap changelog
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##
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Version: 0.6
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Release: September 15, 2017
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Converted to Python3
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Added systemd journal support for logging and debugging
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##
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Version: 0.5
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Release: August 31, 2017
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Bug fix for long messages to ensure myZone is included
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@ -1,10 +1,10 @@
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This software is written in python 2.7 and has been tested with aprx 2.9.x.
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This software is written in python 3.4 and has been tested with aprx 2.9.x.
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If you are running a version < 2.9.0 you should first update aprx. The current
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release may be found at http://thelifeofkenneth.com/aprx/debs/.
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Once you are running aprx >= 2.9, install noaacap:
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Install via sudo dpkg -i noaacap-0.5.deb. Then, to satisfy the dependencies,
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Install via sudo dpkg -i noaacap-0.6.deb. Then, to satisfy the dependencies,
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run sudo apt-get -f install.
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CONFIGURATION
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@ -18,10 +18,16 @@ cycle-size 2m
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beacon via WIDE2-1 \
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srccall N0CALL-13 \
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timeout 20 \
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exec /usr/local/bin/noaacap.py
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</beacon>
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The timeout was needed on my older and slower single core Raspberry Pi Model B.
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The aprx default timeout is 10 seconds and the timeout may not be needed on a
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RPi 2 or newer. If you need lots of "BEACON EXEC abnormal close" messages in
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aprx.log, then you likely need to add the timeout.
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The program will check for a new alert or update every 2 minutes, but only
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send if there is a change.
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@ -45,4 +51,4 @@ k2dls@k2dls.net with the callsign-SSID of your APRS station that is sending
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weather alerts via this program.
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Dan Srebnick, K2DLS
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08/19/2017
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09/13/2017
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