Update noaacap for CAP 1.2 data source
This commit is contained in:
K2IE
parent
af645f510f
commit
df64969adf
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@ -11,6 +11,7 @@ version = "1.0"
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import sys
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import pytz
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import datetime
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import dateutil.parser
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import string
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import requests
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from bs4 import BeautifulSoup
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@ -29,7 +30,7 @@ if len(sys.argv) == 2 and sys.argv[1] == '-v':
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print("noaacap.py by K2IE, version " + version + "\n")
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print("A weather alert beacon exec for aprx >= 2.9 and Direwolf >= 1.3")
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print("Licensed under the BSD 2 Clause license")
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print("Copyright 2017-2020 by Daniel L. Srebnick\n")
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print("Copyright 2017-2024 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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@ -95,7 +96,7 @@ except:
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log.error("or 30 (for 1h if beacon cycle-size 2m)")
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ErrExit()
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url = 'https://alerts.weather.gov/cap/wwaatmget.php?x=' + myZone + '&y=0'
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url = 'https://api.weather.gov/alerts/active.atom?zone=' + myZone
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try:
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r = requests.get(url, timeout=2)
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@ -135,53 +136,10 @@ def vtecparse(value):
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return ProductClass, Action, Office, Phenomena, Significance, ETN, \
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EventBegin, EventEnd
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def capchildren(children):
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k = None
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list = {}
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for tag in children:
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if tag.name == 'valueName':
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k = tag.string
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elif tag.name == 'value':
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list[k] = tag.string
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return list
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def parsezcs(zcs):
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zonelist = set()
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inprogress = 0
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newprefix = 1
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for z in range(0, len(zcs)):
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if not inprogress:
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zone = ''
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inprogress = 1
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if re.match('[A-Z]',zcs[z]):
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if newprefix == 1:
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prefix = ''
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newprefix = 0
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prefix = prefix + zcs[z]
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if re.match('[0-9]',zcs[z]):
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zone = zone + zcs[z]
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if zcs[z] == '>':
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zonelist.add(prefix + zone)
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inprogress = 0
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endzone = zcs[z+1:z+4]
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z = z + 3
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startzone = int(zone) + 1
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endzone = int(endzone)
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for y in range(startzone, endzone):
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zonelist.add(prefix + str(y).zfill(3))
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elif zcs[z] == '-':
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zonelist.add(prefix + zone)
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inprogress = 0
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if re.match('[A-Z]',zcs[z+1]):
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newprefix = 1
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if inprogress:
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zonelist.add(prefix + zone)
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return zonelist
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hit = 0
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for i in range(0, count):
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log.debug("Processing entry: " + str(count))
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log.debug("Processing entry: " + str(i + 1))
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if ("no active" in entries[i].title.string):
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if os.path.isfile(dbfile):
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os.remove(dbfile)
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@ -200,26 +158,51 @@ for i in range(0, count):
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if (entries[i].status.string == "Actual"):
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# Retrieve link for entry i
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url = entries[i].id.string + ".cap"
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try:
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r = requests.get(url, timeout=2)
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except requests.exceptions.Timeout:
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log.error("Timeout exception requesting " + url)
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ErrExit()
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if r.status_code != 200:
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log.error(str(r1.status_code) + " " + url)
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ErrExit()
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soup = BeautifulSoup(r.text, 'xml')
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for j in soup.select('parameter'):
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if (j.find('valueName').text == 'VTEC'):
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VTEC = j.find('value').text
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log.debug("VTEC String: " + VTEC)
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# Parse P-VTEC string and make sure this is an operational ProductClass
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VTEC = capchildren(entries[i].parameter.children)
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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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EventBegin, EventEnd = vtecparse(VTEC)
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except:
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log.debug("VTEC parse failed")
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continue #Loop if error parsing P-VTEC
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if (ProductClass != "/O"): #Loop if not operational
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continue
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# Is alert expired?
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now = datetime.datetime.utcnow()
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now = datetime.datetime.now(datetime.timezone.utc)
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# Fix exit on exp = '000000T0000Z'
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exp = dateutil.parser.parse(EventEnd)
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try:
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exp = datetime.datetime.strptime(EventEnd,'%y%m%dT%H%MZ')
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exp = dateutil.parser.parse(EventEnd)
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except:
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exp = now
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log.debug('Now: ' + datetime.datetime.strftime(now,"%y-%m-%d %H:%M") + \
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' Exp: ' + datetime.datetime.strftime(exp,"%y-%m-%d %H:%M"))
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if now > exp:
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log.debug("Alert Expired")
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continue
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@ -270,32 +253,22 @@ for i in range(0, count):
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elif 36 <= s <= 61:
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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, timeout=2)
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except requests.exceptions.Timeout:
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log.error("Timeout exception requesting " + url)
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ErrExit()
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if rs.status_code != 200:
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log.error(str(rs.status_code) + " " + rs)
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ErrExit()
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soup2 = BeautifulSoup(rs.text, 'xml')
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parms = soup2.find_all('parameter')
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j = len(parms)
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zcs = ''
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for j in range(0, len(parms)):
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if parms[j].valueName.string == 'UGC':
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zcs = parms[j].value.string
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log.debug('Parameters follow\n' + str(parms))
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zcs_discrete = ''
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for j in soup.select('area'):
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for k in j.select('geocode'):
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if (k.find('valueName').text == 'UGC'):
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addzcs = k.find('value').text
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zcs = zcs + addzcs + '-'
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zcs_discrete = zcs_discrete + addzcs + "\n"
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# This handles messages found to contain empty UGC list
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if zcs == '':
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log.debug('No UGC list in message')
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continue
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zcs = zcs[:-1]
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log.debug("ZCS Value: " + zcs)
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type = pp[bytes(Phenomena, 'utf-8')].decode('utf-8')
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if Action == "CAN":
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@ -307,15 +280,6 @@ for i in range(0, count):
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message = exputc + "z," + type + "," + zcs
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log.info("Msg: " + message)
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# Pull discrete zone UGC values
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soup3 = BeautifulSoup(rs.text, 'xml')
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parms = soup3.find_all('geocode')
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j = len(parms)
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zcs_discrete = ''
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for j in range(0, len(parms)):
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if parms[j].valueName.string == 'UGC':
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zcs_discrete = zcs_discrete + parms[j].value.string + "\n"
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# Determine if adjacent zones are in original message prior
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# to any necessary truncation.
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@ -339,13 +303,13 @@ for i in range(0, count):
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n = zcs.rfind('-')
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zcs = zcs[0:n]
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message = exputc + "z," + type + "," + zcs
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if not myZone in parsezcs(zcs):
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if not myZone in zcs:
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zcs = myZone + "-" + zcs
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message = exputc + "z," + type + "," + zcs
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if adjZone1True and not adjZone1 in parsezcs(zcs):
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if adjZone1True and not adjZone1 in zcs:
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zcs = adjZone1 + "-" + zcs
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message = exputc + "z," + type + "," + zcs
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if adjZone2True and not adjZone2 in parsezcs(zcs):
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if adjZone2True and not adjZone2 in zcs:
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zcs = adjZone2 + "-" + zcs
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message = exputc + "z," + type + "," + zcs
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@ -353,7 +317,7 @@ for i in range(0, count):
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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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if myResend > 0:
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resend[id] = bytes(str(myResend), 'utf-8')
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@ -1,5 +1,9 @@
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noaacap changelog
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##
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Version: 1.1
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Release: March 25, 2024
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Updated to use CAP 1.2 data source
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##
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Version: 1.0
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Release: February 6, 2020
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Added ability to specify up to 2 adjacent zones
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@ -1,6 +1,6 @@
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BSD 2-Clause License
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Copyright (c) 2017-2020, Daniel L. Srebnick
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Copyright (c) 2017-2024, Daniel L. Srebnick
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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