Loosen alert/forecast expiry filter by 24 hours
[weather.git] / weather.py
index dbba754..8187fb6 100644 (file)
@@ -1,12 +1,12 @@
 """Contains various object definitions needed by the weather utility."""
 
 weather_copyright = """\
-# Copyright (c) 2006-2021 Jeremy Stanley <fungi@yuggoth.org>. Permission to
+# Copyright (c) 2006-2024 Jeremy Stanley <fungi@yuggoth.org>. Permission to
 # use, copy, modify, and distribute this software is granted under terms
 # provided in the LICENSE file distributed with this software.
 #"""
 
-weather_version = "2.4.1"
+weather_version = "2.4.4"
 
 radian_to_km = 6372.795484
 radian_to_mi = 3959.871528
@@ -130,7 +130,7 @@ def filter_units(line, units="imperial"):
     # filter lines with both pressures in the form of "X inches (Y hPa)" or
     # "X in. Hg (Y hPa)"
     dual_p = re.match(
-        "(.* )(\d*(\.\d+)? (inches|in\. Hg)) \((\d*(\.\d+)? hPa)\)(.*)",
+        r"(.* )(\d*(\.\d+)? (inches|in\. Hg)) \((\d*(\.\d+)? hPa)\)(.*)",
         line
     )
     if dual_p:
@@ -139,7 +139,7 @@ def filter_units(line, units="imperial"):
         elif units == "metric": line = preamble + hpa + trailer
     # filter lines with both temperatures in the form of "X F (Y C)"
     dual_t = re.match(
-        "(.* )(-?\d*(\.\d+)? F) \((-?\d*(\.\d+)? C)\)(.*)",
+        r"(.* )(-?\d*(\.\d+)? F) \((-?\d*(\.\d+)? C)\)(.*)",
         line
     )
     if dual_t:
@@ -150,7 +150,7 @@ def filter_units(line, units="imperial"):
     # "Y kilometer(s)"
     if units == "metric":
         imperial_d = re.match(
-            "(.* )(\d+)( mile\(s\))(.*)",
+            r"(.* )(\d+)( mile\(s\))(.*)",
             line
         )
         if imperial_d:
@@ -160,7 +160,7 @@ def filter_units(line, units="imperial"):
     # filter speeds in the form of "X MPH (Y KT)" to just "X MPH"; if metric is
     # desired, convert to "Z KPH"
     imperial_s = re.match(
-        "(.* )(\d+)( MPH)( \(\d+ KT\))(.*)",
+        r"(.* )(\d+)( MPH)( \(\d+ KT\))(.*)",
         line
     )
     if imperial_s:
@@ -170,7 +170,7 @@ def filter_units(line, units="imperial"):
             line = preamble + str(int(round(int(mph)*1.609344))) + " KPH" + \
                 trailer
     imperial_s = re.match(
-        "(.* )(\d+)( MPH)( \(\d+ KT\))(.*)",
+        r"(.* )(\d+)( MPH)( \(\d+ KT\))(.*)",
         line
     )
     if imperial_s:
@@ -182,7 +182,7 @@ def filter_units(line, units="imperial"):
     # if imperial is desired, qualify given forcast temperatures like "X F"; if
     # metric is desired, convert to "Y C"
     imperial_t = re.match(
-        "(.* )(High |high |Low |low )(\d+)(\.|,)(.*)",
+        r"(.* )(High |high |Low |low )(\d+)(\.|,)(.*)",
         line
     )
     if imperial_t:
@@ -342,7 +342,19 @@ def get_alert(
                 muted = True
             lines = alert.split("\n")
             import time
-            valid_time = time.strftime("%Y%m%d%H%M")
+            # TODO: make this offset configurable
+            # TODO: adjust offset relative to the difference between the user's
+            #       local time and the zone's local time (will need to extend
+            #       the schema in the zones file to store each tz
+            offset = 86400  # one day
+
+            # report alerts and forecasts that expired less than offset ago;
+            # this is a cheap hack since expiration times seem to be relative
+            # to the zone's local timezone, and converting from the user's
+            # would get complicated, but also there can sometimes be a lag
+            # between expiration and the next update
+            valid_time = time.strftime(
+                "%Y%m%d%H%M", time.localtime(time.time() - offset))
             output = []
             for line in lines:
                 if line.startswith("Expires:") \
@@ -608,7 +620,11 @@ def get_config():
         "weatherrc"
         ]
     for rcfile in rcfiles:
-        if os.access(rcfile, os.R_OK): config.read(rcfile)
+        if os.access(rcfile, os.R_OK):
+            if pyversion("3"):
+                config.read(rcfile, encoding="utf-8")
+            else:
+                config.read(rcfile)
     for section in config.sections():
         if section != section.lower():
             if config.has_section(section.lower()):
@@ -644,7 +660,10 @@ def integrate_search_cache(config, cachedir, setpath):
             pass
         return config
     scache = configparser.ConfigParser()
-    scache.read(scache_fn)
+    if pyversion("3"):
+        scache.read(scache_fn, encoding="utf-8")
+    else:
+        scache.read(scache_fn)
     for section in scache.sections():
         if not config.has_section(section):
             config.add_section(section)
@@ -740,9 +759,12 @@ def guess(
             if pyversion("3"):
                 stations.read_string(
                     gzip.open(datafile).read().decode("utf-8") )
-            else: stations.readfp( gzip.open(datafile) )
+            else: stations.read_file( gzip.open(datafile) )
         else:
-            stations.read(datafile)
+            if pyversion("3"):
+                stations.read(datafile, encoding="utf-8")
+            else:
+                stations.read(datafile)
     else:
         message = "%s error: can't find \"%s\" data file\n" % (
             os.path.basename( sys.argv[0] ),
@@ -758,9 +780,12 @@ def guess(
             import gzip
             if pyversion("3"):
                 zones.read_string( gzip.open(datafile).read().decode("utf-8") )
-            else: zones.readfp( gzip.open(datafile) )
+            else: zones.read_file( gzip.open(datafile) )
         else:
-            zones.read(datafile)
+            if pyversion("3"):
+                zones.read(datafile, encoding="utf-8")
+            else:
+                zones.read(datafile)
     else:
         message = "%s error: can't find \"%s\" data file\n" % (
             os.path.basename( sys.argv[0] ),
@@ -785,9 +810,12 @@ def guess(
                 if pyversion("3"):
                     airports.read_string(
                         gzip.open(datafile).read().decode("utf-8") )
-                else: airports.readfp( gzip.open(datafile) )
+                else: airports.read_file( gzip.open(datafile) )
             else:
-                airports.read(datafile)
+                if pyversion("3"):
+                    airports.read(datafile, encoding="utf-8")
+                else:
+                    airports.read(datafile)
         else:
             message = "%s error: can't find \"%s\" data file\n" % (
                 os.path.basename( sys.argv[0] ),
@@ -874,9 +902,12 @@ def guess(
                 if pyversion("3"):
                     zctas.read_string(
                         gzip.open(datafile).read().decode("utf-8") )
-                else: zctas.readfp( gzip.open(datafile) )
+                else: zctas.read_file( gzip.open(datafile) )
             else:
-                zctas.read(datafile)
+                if pyversion("3"):
+                    zctas.read(datafile, encoding="utf-8")
+                else:
+                    zctas.read(datafile)
         else:
             message = "%s error: can't find \"%s\" data file\n" % (
                 os.path.basename( sys.argv[0] ),
@@ -932,9 +963,12 @@ def guess(
                 if pyversion("3"):
                     places.read_string(
                         gzip.open(datafile).read().decode("utf-8") )
-                else: places.readfp( gzip.open(datafile) )
+                else: places.read_file( gzip.open(datafile) )
             else:
-                places.read(datafile)
+                if pyversion("3"):
+                    places.read(datafile, encoding="utf-8")
+                else:
+                    places.read(datafile)
         else:
             message = "%s error: can't find \"%s\" data file\n" % (
                 os.path.basename( sys.argv[0] ),
@@ -1151,7 +1185,10 @@ def guess(
             )
         try:
             scache_existing = configparser.ConfigParser()
-            scache_existing.read(scache_fn)
+            if pyversion("3"):
+                scache_existing.read(scache_fn, encoding="utf-8")
+            else:
+                scache_existing.read(scache_fn)
             if not scache_existing.has_section(search[0]):
                 scache_fd = codecs.open(scache_fn, "a", "utf-8")
                 scache_fd.writelines(search_cache)
@@ -1202,7 +1239,7 @@ def gecos(formatted):
     return tuple(coordinates)
 
 def correlate():
-    import codecs, csv, datetime, hashlib, os, re, sys, tarfile, time, zipfile
+    import codecs, csv, datetime, hashlib, os, re, sys, time, zipfile
     if pyversion("3"): import configparser
     else: import ConfigParser as configparser
     for filename in os.listdir("."):
@@ -1390,7 +1427,7 @@ def correlate():
     sys.stdout.write(message)
     sys.stdout.flush()
     count = 0
-    slist = codecs.open(slist_fn, "rU", "utf-8")
+    slist = codecs.open(slist_fn, "r", "utf-8")
     for line in slist:
         icao = line.split("#")[0].strip()
         if icao:
@@ -1405,7 +1442,7 @@ def correlate():
     sys.stdout.write(message)
     sys.stdout.flush()
     count = 0
-    nsdcccc = codecs.open(nsdcccc_fn, "rU", "utf-8")
+    nsdcccc = codecs.open(nsdcccc_fn, "r", "utf-8")
     for line in nsdcccc:
         line = str(line)
         fields = line.split(";")
@@ -1434,7 +1471,7 @@ def correlate():
     sys.stdout.write(message)
     sys.stdout.flush()
     count = 0
-    ourairports = open(ourairports_fn, "rU")
+    ourairports = open(ourairports_fn, "r")
     for row in csv.reader(ourairports):
         icao = row[12].lower()
         if icao in stations:
@@ -1472,7 +1509,7 @@ def correlate():
     sys.stdout.write(message)
     sys.stdout.flush()
     count = 0
-    zlist = codecs.open(zlist_fn, "rU", "utf-8")
+    zlist = codecs.open(zlist_fn, "r", "utf-8")
     for line in zlist:
         line = line.split("#")[0].strip()
         if line:
@@ -1485,7 +1522,7 @@ def correlate():
     sys.stdout.flush()
     count = 0
     cpfz = {}
-    cpfzcf = codecs.open(cpfzcf_fn, "rU", "utf-8")
+    cpfzcf = codecs.open(cpfzcf_fn, "r", "utf-8")
     for line in cpfzcf:
         fields = line.strip().split("|")
         if len(fields) == 11 \
@@ -1580,7 +1617,7 @@ def correlate():
     removed = 0
     changed = 0
     overrides = configparser.ConfigParser()
-    overrides.readfp( codecs.open(overrides_fn, "r", "utf8") )
+    overrides.read_file( codecs.open(overrides_fn, "r", "utf8") )
     overrideslog = []
     for section in overrides.sections():
         addopt = 0
@@ -2003,15 +2040,30 @@ def correlate():
     sys.stdout.write(message)
     sys.stdout.flush()
     airports = configparser.ConfigParser()
-    airports.read(airports_fn)
+    if pyversion("3"):
+        airports.read(airports_fn, encoding="utf-8")
+    else:
+        airports.read(airports_fn)
     places = configparser.ConfigParser()
-    places.read(places_fn)
+    if pyversion("3"):
+        places.read(places_fn, encoding="utf-8")
+    else:
+        places.read(places_fn)
     stations = configparser.ConfigParser()
-    stations.read(stations_fn)
+    if pyversion("3"):
+        stations.read(stations_fn, encoding="utf-8")
+    else:
+        stations.read(stations_fn)
     zctas = configparser.ConfigParser()
-    zctas.read(zctas_fn)
+    if pyversion("3"):
+        zctas.read(zctas_fn, encoding="utf-8")
+    else:
+        zctas.read(zctas_fn)
     zones = configparser.ConfigParser()
-    zones.read(zones_fn)
+    if pyversion("3"):
+        zones.read(zones_fn, encoding="utf-8")
+    else:
+        zones.read(zones_fn)
     qalog = []
     places_nocentroid = 0
     places_nodescription = 0