weather.py

   1 """Contains various object definitions needed by the weather utility."""
   2
   3 weather_copyright = """\
   4 # Copyright (c) 2006-2020 Jeremy Stanley <fungi@yuggoth.org>. Permission to
   5 # use, copy, modify, and distribute this software is granted under terms
   6 # provided in the LICENSE file distributed with this software.
   7 #"""
   8
   9 weather_version = "2.4.1"
  10
  11 radian_to_km = 6372.795484
  12 radian_to_mi = 3959.871528
  13
  14 def pyversion(ref=None):
  15     """Determine the Python version and optionally compare to a reference."""
  16     import platform
  17     ver = platform.python_version()
  18     if ref:
  19         return [
  20             int(x) for x in ver.split(".")[:2]
  21         ] >= [
  22             int(x) for x in ref.split(".")[:2]
  23         ]
  24     else: return ver
  25
  26 class Selections:
  27     """An object to contain selection data."""
  28     def __init__(self):
  29         """Store the config, options and arguments."""
  30         self.config = get_config()
  31         self.options, self.arguments = get_options(self.config)
  32         if self.get_bool("cache") and self.get_bool("cache_search") \
  33             and not self.get_bool("longlist"):
  34             integrate_search_cache(
  35                 self.config,
  36                 self.get("cachedir"),
  37                 self.get("setpath")
  38             )
  39         if not self.arguments:
  40             if "id" in self.options.__dict__ \
  41                 and self.options.__dict__["id"]:
  42                 self.arguments.append( self.options.__dict__["id"] )
  43                 del( self.options.__dict__["id"] )
  44                 import sys
  45                 message = "WARNING: the --id option is deprecated and will eventually be removed\n"
  46                 sys.stderr.write(message)
  47             elif "city" in self.options.__dict__ \
  48                 and self.options.__dict__["city"] \
  49                 and "st" in self.options.__dict__ \
  50                 and self.options.__dict__["st"]:
  51                 self.arguments.append(
  52                     "^%s city, %s" % (
  53                         self.options.__dict__["city"],
  54                         self.options.__dict__["st"]
  55                     )
  56                 )
  57                 del( self.options.__dict__["city"] )
  58                 del( self.options.__dict__["st"] )
  59                 import sys
  60                 message = "WARNING: the --city/--st options are deprecated and will eventually be removed\n"
  61                 sys.stderr.write(message)
  62     def get(self, option, argument=None):
  63         """Retrieve data from the config or options."""
  64         if argument:
  65             if self.config.has_section(argument) and (
  66                 self.config.has_option(argument, "city") \
  67                     or self.config.has_option(argument, "id") \
  68                     or self.config.has_option(argument, "st")
  69             ):
  70                 self.config.remove_section(argument)
  71                 import sys
  72                 message = "WARNING: the city/id/st options are now unsupported in aliases\n"
  73                 sys.stderr.write(message)
  74             if not self.config.has_section(argument):
  75                 guessed = guess(
  76                     argument,
  77                     path=self.get("setpath"),
  78                     info=self.get("info"),
  79                     cache_search=(
  80                         self.get("cache") and self.get("cache_search")
  81                     ),
  82                     cachedir=self.get("cachedir"),
  83                     quiet=self.get_bool("quiet")
  84                 )
  85                 self.config.add_section(argument)
  86                 for item in guessed.items():
  87                     self.config.set(argument, *item)
  88             if self.config.has_option(argument, option):
  89                 return self.config.get(argument, option)
  90         if option in self.options.__dict__:
  91             return self.options.__dict__[option]
  92         import sys
  93         message = "WARNING: no URI defined for %s\n" % option
  94         sys.stderr.write(message)
  95         return None
  96     def get_bool(self, option, argument=None):
  97         """Get data and coerce to a boolean if necessary."""
  98         # Mimic configparser's getboolean() method by treating
  99         # false/no/off/0 as False and true/yes/on/1 as True values,
 100         # case-insensitively
 101         value = self.get(option, argument)
 102         if isinstance(value, bool):
 103             return value
 104         if isinstance(value, str):
 105             vlower = value.lower()
 106             if vlower in ('false', 'no', 'off', '0'):
 107                 return False
 108             elif vlower in ('true', 'yes', 'on', '1'):
 109                 return True
 110         raise ValueError("Not a boolean: %s" % value)
 111     def getint(self, option, argument=None):
 112         """Get data and coerce to an integer if necessary."""
 113         value = self.get(option, argument)
 114         if value: return int(value)
 115         else: return 0
 116
 117 def average(coords):
 118     """Average a list of coordinates."""
 119     x = 0
 120     y = 0
 121     for coord in coords:
 122         x += coord[0]
 123         y += coord[1]
 124     count = len(coords)
 125     return (x/count, y/count)
 126
 127 def filter_units(line, units="imperial"):
 128     """Filter or convert units in a line of text between US/UK and metric."""
 129     import re
 130     # filter lines with both pressures in the form of "X inches (Y hPa)" or
 131     # "X in. Hg (Y hPa)"
 132     dual_p = re.match(
 133         "(.* )(\d*(\.\d+)? (inches|in\. Hg)) \((\d*(\.\d+)? hPa)\)(.*)",
 134         line
 135     )
 136     if dual_p:
 137         preamble, in_hg, i_fr, i_un, hpa, h_fr, trailer = dual_p.groups()
 138         if units == "imperial": line = preamble + in_hg + trailer
 139         elif units == "metric": line = preamble + hpa + trailer
 140     # filter lines with both temperatures in the form of "X F (Y C)"
 141     dual_t = re.match(
 142         "(.* )(-?\d*(\.\d+)? F) \((-?\d*(\.\d+)? C)\)(.*)",
 143         line
 144     )
 145     if dual_t:
 146         preamble, fahrenheit, f_fr, celsius, c_fr, trailer = dual_t.groups()
 147         if units == "imperial": line = preamble + fahrenheit + trailer
 148         elif units == "metric": line = preamble + celsius + trailer
 149     # if metric is desired, convert distances in the form of "X mile(s)" to
 150     # "Y kilometer(s)"
 151     if units == "metric":
 152         imperial_d = re.match(
 153             "(.* )(\d+)( mile\(s\))(.*)",
 154             line
 155         )
 156         if imperial_d:
 157             preamble, mi, m_u, trailer = imperial_d.groups()
 158             line = preamble + str(int(round(int(mi)*1.609344))) \
 159                 + " kilometer(s)" + trailer
 160     # filter speeds in the form of "X MPH (Y KT)" to just "X MPH"; if metric is
 161     # desired, convert to "Z KPH"
 162     imperial_s = re.match(
 163         "(.* )(\d+)( MPH)( \(\d+ KT\))(.*)",
 164         line
 165     )
 166     if imperial_s:
 167         preamble, mph, m_u, kt, trailer = imperial_s.groups()
 168         if units == "imperial": line = preamble + mph + m_u + trailer
 169         elif units == "metric":
 170             line = preamble + str(int(round(int(mph)*1.609344))) + " KPH" + \
 171                 trailer
 172     imperial_s = re.match(
 173         "(.* )(\d+)( MPH)( \(\d+ KT\))(.*)",
 174         line
 175     )
 176     if imperial_s:
 177         preamble, mph, m_u, kt, trailer = imperial_s.groups()
 178         if units == "imperial": line = preamble + mph + m_u + trailer
 179         elif units == "metric":
 180             line = preamble + str(int(round(int(mph)*1.609344))) + " KPH" + \
 181                 trailer
 182     # if imperial is desired, qualify given forcast temperatures like "X F"; if
 183     # metric is desired, convert to "Y C"
 184     imperial_t = re.match(
 185         "(.* )(High |high |Low |low )(\d+)(\.|,)(.*)",
 186         line
 187     )
 188     if imperial_t:
 189         preamble, parameter, fahrenheit, sep, trailer = imperial_t.groups()
 190         if units == "imperial":
 191             line = preamble + parameter + fahrenheit + " F" + sep + trailer
 192         elif units == "metric":
 193             line = preamble + parameter \
 194                 + str(int(round((int(fahrenheit)-32)*5/9))) + " C" + sep \
 195                 + trailer
 196     # hand off the resulting line
 197     return line
 198
 199 def get_uri(
 200     uri,
 201     ignore_fail=False,
 202     cache_data=False,
 203     cacheage=900,
 204     cachedir="."
 205 ):
 206     """Return a string containing the results of a URI GET."""
 207     if pyversion("3"):
 208         import urllib, urllib.error, urllib.request
 209         URLError = urllib.error.URLError
 210         urlopen = urllib.request.urlopen
 211     else:
 212         import urllib2 as urllib
 213         URLError = urllib.URLError
 214         urlopen = urllib.urlopen
 215     import os, time
 216     if cache_data:
 217         dcachedir = os.path.join( os.path.expanduser(cachedir), "datacache" )
 218         if not os.path.exists(dcachedir):
 219             try: os.makedirs(dcachedir)
 220             except (IOError, OSError): pass
 221         dcache_fn = os.path.join(
 222             dcachedir,
 223             uri.split(":",1)[1].replace("/","_")
 224         )
 225     now = time.time()
 226     if cache_data and os.access(dcache_fn, os.R_OK) \
 227         and now-cacheage < os.stat(dcache_fn).st_mtime <= now:
 228         dcache_fd = open(dcache_fn)
 229         data = dcache_fd.read()
 230         dcache_fd.close()
 231     else:
 232         try:
 233             data = urlopen(uri).read().decode("utf-8")
 234         except URLError:
 235             if ignore_fail: return ""
 236             import os, sys
 237             sys.stderr.write("%s error: failed to retrieve\n   %s\n\n" % (
 238                 os.path.basename( sys.argv[0] ), uri))
 239             raise
 240         # Some data sources are HTML with the plain text wrapped in pre tags
 241         if "<pre>" in data:
 242             data = data[data.find("<pre>")+5:data.find("</pre>")]
 243         if cache_data:
 244             try:
 245                 import codecs
 246                 dcache_fd = codecs.open(dcache_fn, "w", "utf-8")
 247                 dcache_fd.write(data)
 248                 dcache_fd.close()
 249             except (IOError, OSError): pass
 250     return data
 251
 252 def get_metar(
 253     uri=None,
 254     verbose=False,
 255     quiet=False,
 256     headers=None,
 257     imperial=False,
 258     metric=False,
 259     cache_data=False,
 260     cacheage=900,
 261     cachedir="."
 262 ):
 263     """Return a summarized METAR for the specified station."""
 264     if not uri:
 265         import os, sys
 266         message = "%s error: METAR URI required for conditions\n" % \
 267             os.path.basename( sys.argv[0] )
 268         sys.stderr.write(message)
 269         sys.exit(1)
 270     metar = get_uri(
 271         uri,
 272         cache_data=cache_data,
 273         cacheage=cacheage,
 274         cachedir=cachedir
 275     )
 276     if pyversion("3") and type(metar) is bytes: metar = metar.decode("utf-8")
 277     if verbose: return metar
 278     else:
 279         import re
 280         lines = metar.split("\n")
 281         if not headers:
 282             headers = \
 283                 "relative_humidity," \
 284                 + "precipitation_last_hour," \
 285                 + "sky conditions," \
 286                 + "temperature," \
 287                 + "heat index," \
 288                 + "windchill," \
 289                 + "weather," \
 290                 + "wind"
 291         headerlist = headers.lower().replace("_"," ").split(",")
 292         output = []
 293         if not quiet:
 294             title = "Current conditions at %s"
 295             place = lines[0].split(", ")
 296             if len(place) > 1:
 297                 place = "%s, %s" % ( place[0].title(), place[1] )
 298             else: place = "<UNKNOWN>"
 299             output.append(title%place)
 300             output.append("Last updated " + lines[1])
 301         header_match = False
 302         for header in headerlist:
 303             for line in lines:
 304                 if line.lower().startswith(header + ":"):
 305                     if re.match(r".*:\d+$", line): line = line[:line.rfind(":")]
 306                     if imperial: line = filter_units(line, units="imperial")
 307                     elif metric: line = filter_units(line, units="metric")
 308                     if quiet: output.append(line)
 309                     else: output.append("   " + line)
 310                     header_match = True
 311         if not header_match:
 312             output.append(
 313                 "(no conditions matched your header list, try with --verbose)"
 314             )
 315         return "\n".join(output)
 316
 317 def get_alert(
 318     uri=None,
 319     verbose=False,
 320     quiet=False,
 321     cache_data=False,
 322     cacheage=900,
 323     cachedir="."
 324 ):
 325     """Return alert notice for the specified URI."""
 326     if not uri:
 327         return ""
 328     alert = get_uri(
 329         uri,
 330         ignore_fail=True,
 331         cache_data=cache_data,
 332         cacheage=cacheage,
 333         cachedir=cachedir
 334     ).strip()
 335     if pyversion("3") and type(alert) is bytes: alert = alert.decode("utf-8")
 336     if alert:
 337         if verbose: return alert
 338         else:
 339             if alert.find("\nNATIONAL WEATHER SERVICE") == -1:
 340                 muted = False
 341             else:
 342                 muted = True
 343             lines = alert.split("\n")
 344             import time
 345             valid_time = time.strftime("%Y%m%d%H%M")
 346             output = []
 347             for line in lines:
 348                 if line.startswith("Expires:") \
 349                     and "Expires:" + valid_time > line:
 350                     return ""
 351                 if muted and line.startswith("NATIONAL WEATHER SERVICE"):
 352                     muted = False
 353                     line = ""
 354                 elif line == "&&":
 355                     line = ""
 356                 elif line == "$$":
 357                     muted = True
 358                 if line and not muted:
 359                     if quiet: output.append(line)
 360                     else: output.append("   " + line)
 361             return "\n".join(output)
 362
 363 def get_options(config):
 364     """Parse the options passed on the command line."""
 365
 366     # for optparse's builtin -h/--help option
 367     usage = \
 368         "usage: %prog [options] [alias1|search1 [alias2|search2 [...]]]"
 369
 370     # for optparse's builtin --version option
 371     verstring = "%prog " + weather_version
 372
 373     # create the parser
 374     import optparse
 375     option_parser = optparse.OptionParser(usage=usage, version=verstring)
 376     # separate options object from list of arguments and return both
 377
 378     # the -a/--alert option
 379     if config.has_option("default", "alert"):
 380         default_alert = config.getboolean("default", "alert")
 381     else: default_alert = False
 382     option_parser.add_option("-a", "--alert",
 383         dest="alert",
 384         action="store_true",
 385         default=default_alert,
 386         help="include local alert notices")
 387
 388     # the --atypes option
 389     if config.has_option("default", "atypes"):
 390         default_atypes = config.get("default", "atypes")
 391     else:
 392         default_atypes = \
 393             "coastal_flood_statement," \
 394             + "flash_flood_statement," \
 395             + "flash_flood_warning," \
 396             + "flash_flood_watch," \
 397             + "flood_statement," \
 398             + "flood_warning," \
 399             + "severe_thunderstorm_warning," \
 400             + "severe_weather_statement," \
 401             + "special_weather_statement," \
 402             + "urgent_weather_message"
 403     option_parser.add_option("--atypes",
 404         dest="atypes",
 405         default=default_atypes,
 406         help="list of alert notification types to display")
 407
 408     # the --build-sets option
 409     option_parser.add_option("--build-sets",
 410         dest="build_sets",
 411         action="store_true",
 412         default=False,
 413         help="(re)build location correlation sets")
 414
 415     # the --cacheage option
 416     if config.has_option("default", "cacheage"):
 417         default_cacheage = config.getint("default", "cacheage")
 418     else: default_cacheage = 900
 419     option_parser.add_option("--cacheage",
 420         dest="cacheage",
 421         default=default_cacheage,
 422         help="duration in seconds to refresh cached data")
 423
 424     # the --cachedir option
 425     if config.has_option("default", "cachedir"):
 426         default_cachedir = config.get("default", "cachedir")
 427     else: default_cachedir = "~/.weather"
 428     option_parser.add_option("--cachedir",
 429         dest="cachedir",
 430         default=default_cachedir,
 431         help="directory for storing cached searches and data")
 432
 433     # the -f/--forecast option
 434     if config.has_option("default", "forecast"):
 435         default_forecast = config.getboolean("default", "forecast")
 436     else: default_forecast = False
 437     option_parser.add_option("-f", "--forecast",
 438         dest="forecast",
 439         action="store_true",
 440         default=default_forecast,
 441         help="include a local forecast")
 442
 443     # the --headers option
 444     if config.has_option("default", "headers"):
 445         default_headers = config.get("default", "headers")
 446     else:
 447         default_headers = \
 448             "temperature," \
 449             + "relative_humidity," \
 450             + "wind," \
 451             + "heat_index," \
 452             + "windchill," \
 453             + "weather," \
 454             + "sky_conditions," \
 455             + "precipitation_last_hour"
 456     option_parser.add_option("--headers",
 457         dest="headers",
 458         default=default_headers,
 459         help="list of conditions headers to display")
 460
 461     # the --imperial option
 462     if config.has_option("default", "imperial"):
 463         default_imperial = config.getboolean("default", "imperial")
 464     else: default_imperial = False
 465     option_parser.add_option("--imperial",
 466         dest="imperial",
 467         action="store_true",
 468         default=default_imperial,
 469         help="filter/convert conditions for US/UK units")
 470
 471     # the --info option
 472     option_parser.add_option("--info",
 473         dest="info",
 474         action="store_true",
 475         default=False,
 476         help="output detailed information for your search")
 477
 478     # the -l/--list option
 479     option_parser.add_option("-l", "--list",
 480         dest="list",
 481         action="store_true",
 482         default=False,
 483         help="list all configured aliases and cached searches")
 484
 485     # the --longlist option
 486     option_parser.add_option("--longlist",
 487         dest="longlist",
 488         action="store_true",
 489         default=False,
 490         help="display details of all configured aliases")
 491
 492     # the -m/--metric option
 493     if config.has_option("default", "metric"):
 494         default_metric = config.getboolean("default", "metric")
 495     else: default_metric = False
 496     option_parser.add_option("-m", "--metric",
 497         dest="metric",
 498         action="store_true",
 499         default=default_metric,
 500         help="filter/convert conditions for metric units")
 501
 502     # the -n/--no-conditions option
 503     if config.has_option("default", "conditions"):
 504         default_conditions = config.getboolean("default", "conditions")
 505     else: default_conditions = True
 506     option_parser.add_option("-n", "--no-conditions",
 507         dest="conditions",
 508         action="store_false",
 509         default=default_conditions,
 510         help="disable output of current conditions")
 511
 512     # the --no-cache option
 513     if config.has_option("default", "cache"):
 514         default_cache = config.getboolean("default", "cache")
 515     else: default_cache = True
 516     option_parser.add_option("--no-cache",
 517         dest="cache",
 518         action="store_false",
 519         default=True,
 520         help="disable all caching (searches and data)")
 521
 522     # the --no-cache-data option
 523     if config.has_option("default", "cache_data"):
 524         default_cache_data = config.getboolean("default", "cache_data")
 525     else: default_cache_data = True
 526     option_parser.add_option("--no-cache-data",
 527         dest="cache_data",
 528         action="store_false",
 529         default=True,
 530         help="disable retrieved data caching")
 531
 532     # the --no-cache-search option
 533     if config.has_option("default", "cache_search"):
 534         default_cache_search = config.getboolean("default", "cache_search")
 535     else: default_cache_search = True
 536     option_parser.add_option("--no-cache-search",
 537         dest="cache_search",
 538         action="store_false",
 539         default=True,
 540         help="disable search result caching")
 541
 542     # the -q/--quiet option
 543     if config.has_option("default", "quiet"):
 544         default_quiet = config.getboolean("default", "quiet")
 545     else: default_quiet = False
 546     option_parser.add_option("-q", "--quiet",
 547         dest="quiet",
 548         action="store_true",
 549         default=default_quiet,
 550         help="skip preambles and don't indent")
 551
 552     # the --setpath option
 553     if config.has_option("default", "setpath"):
 554         default_setpath = config.get("default", "setpath")
 555     else: default_setpath = ".:~/.weather"
 556     option_parser.add_option("--setpath",
 557         dest="setpath",
 558         default=default_setpath,
 559         help="directory search path for correlation sets")
 560
 561     # the -v/--verbose option
 562     if config.has_option("default", "verbose"):
 563         default_verbose = config.getboolean("default", "verbose")
 564     else: default_verbose = False
 565     option_parser.add_option("-v", "--verbose",
 566         dest="verbose",
 567         action="store_true",
 568         default=default_verbose,
 569         help="show full decoded feeds")
 570
 571     # deprecated options
 572     if config.has_option("default", "city"):
 573         default_city = config.get("default", "city")
 574     else: default_city = ""
 575     option_parser.add_option("-c", "--city",
 576         dest="city",
 577         default=default_city,
 578         help=optparse.SUPPRESS_HELP)
 579     if config.has_option("default", "id"):
 580         default_id = config.get("default", "id")
 581     else: default_id = ""
 582     option_parser.add_option("-i", "--id",
 583         dest="id",
 584         default=default_id,
 585         help=optparse.SUPPRESS_HELP)
 586     if config.has_option("default", "st"):
 587         default_st = config.get("default", "st")
 588     else: default_st = ""
 589     option_parser.add_option("-s", "--st",
 590         dest="st",
 591         default=default_st,
 592         help=optparse.SUPPRESS_HELP)
 593
 594     options, arguments = option_parser.parse_args()
 595     return options, arguments
 596
 597 def get_config():
 598     """Parse the aliases and configuration."""
 599     if pyversion("3"): import configparser
 600     else: import ConfigParser as configparser
 601     config = configparser.ConfigParser()
 602     import os
 603     rcfiles = [
 604         "/etc/weatherrc",
 605         "/etc/weather/weatherrc",
 606         os.path.expanduser("~/.weather/weatherrc"),
 607         os.path.expanduser("~/.weatherrc"),
 608         "weatherrc"
 609         ]
 610     for rcfile in rcfiles:
 611         if os.access(rcfile, os.R_OK): config.read(rcfile)
 612     for section in config.sections():
 613         if section != section.lower():
 614             if config.has_section(section.lower()):
 615                 config.remove_section(section.lower())
 616             config.add_section(section.lower())
 617             for option,value in config.items(section):
 618                 config.set(section.lower(), option, value)
 619     return config
 620
 621 def integrate_search_cache(config, cachedir, setpath):
 622     """Add cached search results into the configuration."""
 623     if pyversion("3"): import configparser
 624     else: import ConfigParser as configparser
 625     import os, time
 626     scache_fn = os.path.join( os.path.expanduser(cachedir), "searches" )
 627     if not os.access(scache_fn, os.R_OK): return config
 628     scache_fd = open(scache_fn)
 629     created = float( scache_fd.readline().split(":")[1].strip().split()[0] )
 630     scache_fd.close()
 631     now = time.time()
 632     datafiles = data_index(setpath)
 633     if datafiles:
 634         data_freshness = sorted(
 635             [ x[1] for x in datafiles.values() ],
 636             reverse=True
 637         )[0]
 638     else: data_freshness = now
 639     if created < data_freshness <= now:
 640         try:
 641             os.remove(scache_fn)
 642             print( "[clearing outdated %s]" % scache_fn )
 643         except (IOError, OSError):
 644             pass
 645         return config
 646     scache = configparser.ConfigParser()
 647     scache.read(scache_fn)
 648     for section in scache.sections():
 649         if not config.has_section(section):
 650             config.add_section(section)
 651             for option,value in scache.items(section):
 652                 config.set(section, option, value)
 653     return config
 654
 655 def list_aliases(config, detail=False):
 656     """Return a formatted list of aliases defined in the config."""
 657     if detail:
 658         output = "\n# configured alias details..."
 659         for section in sorted(config.sections()):
 660             output += "\n\n[%s]" % section
 661             for item in sorted(config.items(section)):
 662                 output += "\n%s = %s" % item
 663         output += "\n"
 664     else:
 665         output = "configured aliases and cached searches..."
 666         for section in sorted(config.sections()):
 667             if config.has_option(section, "description"):
 668                 description = config.get(section, "description")
 669             else: description = "(no description provided)"
 670             output += "\n   %s: %s" % (section, description)
 671     return output
 672
 673 def data_index(path):
 674     import os
 675     datafiles = {}
 676     for filename in ("airports", "places", "stations", "zctas", "zones"):
 677         for dirname in path.split(":"):
 678             for extension in ("", ".gz", ".txt"):
 679                 candidate = os.path.expanduser(
 680                     os.path.join( dirname, "".join( (filename, extension) ) )
 681                 )
 682                 if os.path.exists(candidate):
 683                     datafiles[filename] = (
 684                         candidate,
 685                         os.stat(candidate).st_mtime
 686                     )
 687                     break
 688             if filename in datafiles:
 689                 break
 690     return datafiles
 691
 692 def guess(
 693     expression,
 694     path=".",
 695     max_results=20,
 696     info=False,
 697     cache_search=False,
 698     cacheage=900,
 699     cachedir=".",
 700     quiet=False
 701 ):
 702     """Find URIs using airport, gecos, placename, station, ZCTA/ZIP, zone."""
 703     import codecs, datetime, time, os, re, sys
 704     if pyversion("3"): import configparser
 705     else: import ConfigParser as configparser
 706     datafiles = data_index(path)
 707     if re.match("[A-Za-z]{3}$", expression): searchtype = "airport"
 708     elif re.match("[A-Za-z0-9]{4}$", expression): searchtype = "station"
 709     elif re.match("[A-Za-z]{2}[Zz][0-9]{3}$", expression): searchtype = "zone"
 710     elif re.match("[0-9]{5}$", expression): searchtype = "ZCTA"
 711     elif re.match(
 712         r"[\+-]?\d+(\.\d+)?(-\d+){,2}[ENSWensw]?, *[\+-]?\d+(\.\d+)?(-\d+){,2}[ENSWensw]?$",
 713         expression
 714     ):
 715         searchtype = "coordinates"
 716     elif re.match(r"(FIPS|fips)\d+$", expression): searchtype = "FIPS"
 717     else:
 718         searchtype = "name"
 719         cache_search = False
 720     if cache_search: action = "caching"
 721     else: action = "using"
 722     if info:
 723         scores = [
 724             (0.005, "bad"),
 725             (0.025, "poor"),
 726             (0.160, "suspect"),
 727             (0.500, "mediocre"),
 728             (0.840, "good"),
 729             (0.975, "great"),
 730             (0.995, "excellent"),
 731             (1.000, "ideal"),
 732         ]
 733     if not quiet: print("Searching via %s..."%searchtype)
 734     stations = configparser.ConfigParser()
 735     dataname = "stations"
 736     if dataname in datafiles:
 737         datafile = datafiles[dataname][0]
 738         if datafile.endswith(".gz"):
 739             import gzip
 740             if pyversion("3"):
 741                 stations.read_string(
 742                     gzip.open(datafile).read().decode("utf-8") )
 743             else: stations.readfp( gzip.open(datafile) )
 744         else:
 745             stations.read(datafile)
 746     else:
 747         message = "%s error: can't find \"%s\" data file\n" % (
 748             os.path.basename( sys.argv[0] ),
 749             dataname
 750         )
 751         sys.stderr.write(message)
 752         exit(1)
 753     zones = configparser.ConfigParser()
 754     dataname = "zones"
 755     if dataname in datafiles:
 756         datafile = datafiles[dataname][0]
 757         if datafile.endswith(".gz"):
 758             import gzip
 759             if pyversion("3"):
 760                 zones.read_string( gzip.open(datafile).read().decode("utf-8") )
 761             else: zones.readfp( gzip.open(datafile) )
 762         else:
 763             zones.read(datafile)
 764     else:
 765         message = "%s error: can't find \"%s\" data file\n" % (
 766             os.path.basename( sys.argv[0] ),
 767             dataname
 768         )
 769         sys.stderr.write(message)
 770         exit(1)
 771     search = None
 772     station = ("", 0)
 773     zone = ("", 0)
 774     dataset = None
 775     possibilities = []
 776     uris = {}
 777     if searchtype == "airport":
 778         expression = expression.lower()
 779         airports = configparser.ConfigParser()
 780         dataname = "airports"
 781         if dataname in datafiles:
 782             datafile = datafiles[dataname][0]
 783             if datafile.endswith(".gz"):
 784                 import gzip
 785                 if pyversion("3"):
 786                     airports.read_string(
 787                         gzip.open(datafile).read().decode("utf-8") )
 788                 else: airports.readfp( gzip.open(datafile) )
 789             else:
 790                 airports.read(datafile)
 791         else:
 792             message = "%s error: can't find \"%s\" data file\n" % (
 793                 os.path.basename( sys.argv[0] ),
 794                 dataname
 795             )
 796             sys.stderr.write(message)
 797             exit(1)
 798         if airports.has_section(expression) \
 799             and airports.has_option(expression, "station"):
 800             search = (expression, "IATA/FAA airport code %s" % expression)
 801             station = ( airports.get(expression, "station"), 0 )
 802             if stations.has_option(station[0], "zone"):
 803                 zone = eval( stations.get(station[0], "zone") )
 804                 dataset = stations
 805             if not ( info or quiet ) \
 806                 and stations.has_option( station[0], "description" ):
 807                 print(
 808                     "[%s result %s]" % (
 809                         action,
 810                         stations.get(station[0], "description")
 811                     )
 812                 )
 813         else:
 814             message = "No IATA/FAA airport code \"%s\" in the %s file.\n" % (
 815                 expression,
 816                 datafiles["airports"][0]
 817             )
 818             sys.stderr.write(message)
 819             exit(1)
 820     elif searchtype == "station":
 821         expression = expression.lower()
 822         if stations.has_section(expression):
 823             station = (expression, 0)
 824             if not search:
 825                 search = (expression, "ICAO station code %s" % expression)
 826             if stations.has_option(expression, "zone"):
 827                 zone = eval( stations.get(expression, "zone") )
 828                 dataset = stations
 829             if not ( info or quiet ) \
 830                 and stations.has_option(expression, "description"):
 831                 print(
 832                     "[%s result %s]" % (
 833                         action,
 834                         stations.get(expression, "description")
 835                     )
 836                 )
 837         else:
 838             message = "No ICAO weather station \"%s\" in the %s file.\n" % (
 839                 expression,
 840                 datafiles["stations"][0]
 841             )
 842             sys.stderr.write(message)
 843             exit(1)
 844     elif searchtype == "zone":
 845         expression = expression.lower()
 846         if zones.has_section(expression) \
 847             and zones.has_option(expression, "station"):
 848             zone = (expression, 0)
 849             station = eval( zones.get(expression, "station") )
 850             dataset = zones
 851             search = (expression, "NWS/NOAA weather zone %s" % expression)
 852             if not ( info or quiet ) \
 853                 and zones.has_option(expression, "description"):
 854                 print(
 855                     "[%s result %s]" % (
 856                         action,
 857                         zones.get(expression, "description")
 858                     )
 859                 )
 860         else:
 861             message = "No usable NWS weather zone \"%s\" in the %s file.\n" % (
 862                 expression,
 863                 datafiles["zones"][0]
 864             )
 865             sys.stderr.write(message)
 866             exit(1)
 867     elif searchtype == "ZCTA":
 868         zctas = configparser.ConfigParser()
 869         dataname = "zctas"
 870         if dataname in datafiles:
 871             datafile = datafiles[dataname][0]
 872             if datafile.endswith(".gz"):
 873                 import gzip
 874                 if pyversion("3"):
 875                     zctas.read_string(
 876                         gzip.open(datafile).read().decode("utf-8") )
 877                 else: zctas.readfp( gzip.open(datafile) )
 878             else:
 879                 zctas.read(datafile)
 880         else:
 881             message = "%s error: can't find \"%s\" data file\n" % (
 882                 os.path.basename( sys.argv[0] ),
 883                 dataname
 884             )
 885             sys.stderr.write(message)
 886             exit(1)
 887         dataset = zctas
 888         if zctas.has_section(expression) \
 889             and zctas.has_option(expression, "station"):
 890             station = eval( zctas.get(expression, "station") )
 891             search = (expression, "Census ZCTA (ZIP code) %s" % expression)
 892             if zctas.has_option(expression, "zone"):
 893                 zone = eval( zctas.get(expression, "zone") )
 894         else:
 895             message = "No census ZCTA (ZIP code) \"%s\" in the %s file.\n" % (
 896                 expression,
 897                 datafiles["zctas"][0]
 898             )
 899             sys.stderr.write(message)
 900             exit(1)
 901     elif searchtype == "coordinates":
 902         search = (expression, "Geographic coordinates %s" % expression)
 903         stationtable = {}
 904         for station in stations.sections():
 905             if stations.has_option(station, "location"):
 906                 stationtable[station] = {
 907                     "location": eval( stations.get(station, "location") )
 908                 }
 909         station = closest( gecos(expression), stationtable, "location", 0.1 )
 910         if not station[0]:
 911             message = "No ICAO weather station found near %s.\n" % expression
 912             sys.stderr.write(message)
 913             exit(1)
 914         zonetable = {}
 915         for zone in zones.sections():
 916             if zones.has_option(zone, "centroid"):
 917                 zonetable[zone] = {
 918                     "centroid": eval( zones.get(zone, "centroid") )
 919                 }
 920         zone = closest( gecos(expression), zonetable, "centroid", 0.1 )
 921         if not zone[0]:
 922             message = "No NWS weather zone near %s; forecasts unavailable.\n" \
 923                 % expression
 924             sys.stderr.write(message)
 925     elif searchtype in ("FIPS", "name"):
 926         places = configparser.ConfigParser()
 927         dataname = "places"
 928         if dataname in datafiles:
 929             datafile = datafiles[dataname][0]
 930             if datafile.endswith(".gz"):
 931                 import gzip
 932                 if pyversion("3"):
 933                     places.read_string(
 934                         gzip.open(datafile).read().decode("utf-8") )
 935                 else: places.readfp( gzip.open(datafile) )
 936             else:
 937                 places.read(datafile)
 938         else:
 939             message = "%s error: can't find \"%s\" data file\n" % (
 940                 os.path.basename( sys.argv[0] ),
 941                 dataname
 942             )
 943             sys.stderr.write(message)
 944             exit(1)
 945         dataset = places
 946         place = expression.lower()
 947         if places.has_section(place) and places.has_option(place, "station"):
 948             station = eval( places.get(place, "station") )
 949             search = (expression, "Census Place %s" % expression)
 950             if places.has_option(place, "description"):
 951                 search = (
 952                     search[0],
 953                     search[1] + ", %s" % places.get(place, "description")
 954                 )
 955             if places.has_option(place, "zone"):
 956                 zone = eval( places.get(place, "zone") )
 957             if not ( info or quiet ) \
 958                 and places.has_option(place, "description"):
 959                 print(
 960                     "[%s result %s]" % (
 961                         action,
 962                         places.get(place, "description")
 963                     )
 964                 )
 965         else:
 966             for place in places.sections():
 967                 if places.has_option(place, "description") \
 968                     and places.has_option(place, "station") \
 969                     and re.search(
 970                         expression,
 971                         places.get(place, "description"),
 972                         re.I
 973                     ):
 974                         possibilities.append(place)
 975             for place in stations.sections():
 976                 if stations.has_option(place, "description") \
 977                     and re.search(
 978                         expression,
 979                         stations.get(place, "description"),
 980                         re.I
 981                     ):
 982                         possibilities.append(place)
 983             for place in zones.sections():
 984                 if zones.has_option(place, "description") \
 985                     and zones.has_option(place, "station") \
 986                     and re.search(
 987                         expression,
 988                         zones.get(place, "description"),
 989                         re.I
 990                     ):
 991                         possibilities.append(place)
 992             if len(possibilities) == 1:
 993                 place = possibilities[0]
 994                 if places.has_section(place):
 995                     station = eval( places.get(place, "station") )
 996                     description = places.get(place, "description")
 997                     if places.has_option(place, "zone"):
 998                         zone = eval( places.get(place, "zone" ) )
 999                     search = ( expression, "%s: %s" % (place, description) )
1000                 elif stations.has_section(place):
1001                     station = (place, 0.0)
1002                     description = stations.get(place, "description")
1003                     if stations.has_option(place, "zone"):
1004                         zone = eval( stations.get(place, "zone" ) )
1005                     search = ( expression, "ICAO station code %s" % place )
1006                 elif zones.has_section(place):
1007                     station = eval( zones.get(place, "station") )
1008                     description = zones.get(place, "description")
1009                     zone = (place, 0.0)
1010                     search = ( expression, "NWS/NOAA weather zone %s" % place )
1011                 if not ( info or quiet ):
1012                     print( "[%s result %s]" % (action, description) )
1013             if not possibilities and not station[0]:
1014                 message = "No FIPS code/census area match in the %s file.\n" % (
1015                     datafiles["places"][0]
1016                 )
1017                 sys.stderr.write(message)
1018                 exit(1)
1019     if station[0]:
1020         uris["metar"] = stations.get( station[0], "metar" )
1021         if zone[0]:
1022             for key,value in zones.items( zone[0] ):
1023                 if key not in ("centroid", "description", "station"):
1024                     uris[key] = value
1025     elif possibilities:
1026         count = len(possibilities)
1027         if count <= max_results:
1028             print( "Your search is ambiguous, returning %s matches:" % count )
1029             for place in sorted(possibilities):
1030                 if places.has_section(place):
1031                     print(
1032                         "   [%s] %s" % (
1033                             place,
1034                             places.get(place, "description")
1035                         )
1036                     )
1037                 elif stations.has_section(place):
1038                     print(
1039                         "   [%s] %s" % (
1040                             place,
1041                             stations.get(place, "description")
1042                         )
1043                     )
1044                 elif zones.has_section(place):
1045                     print(
1046                         "   [%s] %s" % (
1047                             place,
1048                             zones.get(place, "description")
1049                         )
1050                     )
1051         else:
1052             print(
1053                 "Your search is too ambiguous, returning %s matches." % count
1054             )
1055         exit(0)
1056     if info:
1057         stationlist = []
1058         zonelist = []
1059         if dataset:
1060             for section in dataset.sections():
1061                 if dataset.has_option(section, "station"):
1062                     stationlist.append(
1063                         eval( dataset.get(section, "station") )[1]
1064                     )
1065                 if dataset.has_option(section, "zone"):
1066                     zonelist.append( eval( dataset.get(section, "zone") )[1] )
1067         stationlist.sort()
1068         zonelist.sort()
1069         scount = len(stationlist)
1070         zcount = len(zonelist)
1071         sranks = []
1072         zranks = []
1073         for score in scores:
1074             if stationlist:
1075                 sranks.append( stationlist[ int( (1-score[0]) * scount ) ] )
1076             if zonelist:
1077                 zranks.append( zonelist[ int( (1-score[0]) * zcount ) ] )
1078         description = search[1]
1079         uris["description"] = description
1080         print(
1081             "%s\n%s" % ( description, "-" * len(description) )
1082         )
1083         print(
1084             "%s: %s" % (
1085                 station[0],
1086                 stations.get( station[0], "description" )
1087             )
1088         )
1089         km = radian_to_km*station[1]
1090         mi = radian_to_mi*station[1]
1091         if sranks and not description.startswith("ICAO station code "):
1092             for index in range(0, len(scores)):
1093                 if station[1] >= sranks[index]:
1094                     score = scores[index][1]
1095                     break
1096             print(
1097                 "   (proximity %s, %.3gkm, %.3gmi)" % ( score, km, mi )
1098             )
1099         elif searchtype == "coordinates":
1100             print( "   (%.3gkm, %.3gmi)" % (km, mi) )
1101         if zone[0]:
1102             print(
1103                 "%s: %s" % ( zone[0], zones.get( zone[0], "description" ) )
1104             )
1105         km = radian_to_km*zone[1]
1106         mi = radian_to_mi*zone[1]
1107         if zranks and not description.startswith("NWS/NOAA weather zone "):
1108             for index in range(0, len(scores)):
1109                 if zone[1] >= zranks[index]:
1110                     score = scores[index][1]
1111                     break
1112             print(
1113                 "   (proximity %s, %.3gkm, %.3gmi)" % ( score, km, mi )
1114             )
1115         elif searchtype == "coordinates" and zone[0]:
1116             print( "   (%.3gkm, %.3gmi)" % (km, mi) )
1117     if cache_search:
1118         now = time.time()
1119         nowstamp = "%s (%s)" % (
1120             now,
1121             datetime.datetime.isoformat(
1122                 datetime.datetime.fromtimestamp(now),
1123                 " "
1124             )
1125         )
1126         search_cache = ["\n"]
1127         search_cache.append( "[%s]\n" % search[0] )
1128         search_cache.append( "cached = %s\n" % nowstamp )
1129         for uriname in sorted(uris.keys()):
1130             search_cache.append( "%s = %s\n" % ( uriname, uris[uriname] ) )
1131         real_cachedir = os.path.expanduser(cachedir)
1132         if not os.path.exists(real_cachedir):
1133             try: os.makedirs(real_cachedir)
1134             except (IOError, OSError): pass
1135         scache_fn = os.path.join(real_cachedir, "searches")
1136         if not os.path.exists(scache_fn):
1137             then = sorted(
1138                     [ x[1] for x in datafiles.values() ],
1139                     reverse=True
1140                 )[0]
1141             thenstamp = "%s (%s)" % (
1142                 then,
1143                 datetime.datetime.isoformat(
1144                     datetime.datetime.fromtimestamp(then),
1145                     " "
1146                 )
1147             )
1148             search_cache.insert(
1149                 0,
1150                 "# based on data files from: %s\n" % thenstamp
1151             )
1152         try:
1153             scache_existing = configparser.ConfigParser()
1154             scache_existing.read(scache_fn)
1155             if not scache_existing.has_section(search[0]):
1156                 scache_fd = codecs.open(scache_fn, "a", "utf-8")
1157                 scache_fd.writelines(search_cache)
1158                 scache_fd.close()
1159         except (IOError, OSError): pass
1160     if not info:
1161         return(uris)
1162
1163 def closest(position, nodes, fieldname, angle=None):
1164     import math
1165     if not angle: angle = 2*math.pi
1166     match = None
1167     for name in nodes:
1168         if fieldname in nodes[name]:
1169             node = nodes[name][fieldname]
1170             if node and abs( position[0]-node[0] ) < angle:
1171                 if abs( position[1]-node[1] ) < angle \
1172                     or abs( abs( position[1]-node[1] ) - 2*math.pi ) < angle:
1173                     if position == node:
1174                         angle = 0
1175                         match = name
1176                     else:
1177                         candidate = math.acos(
1178                             math.sin( position[0] ) * math.sin( node[0] ) \
1179                                 + math.cos( position[0] ) \
1180                                 * math.cos( node[0] ) \
1181                                 * math.cos( position[1] - node[1] )
1182                             )
1183                         if candidate < angle:
1184                             angle = candidate
1185                             match = name
1186     if match: match = str(match)
1187     return (match, angle)
1188
1189 def gecos(formatted):
1190     import math, re
1191     coordinates = formatted.split(",")
1192     for coordinate in range(0, 2):
1193         degrees, foo, minutes, bar, seconds, hemisphere = re.match(
1194             r"([\+-]?\d+\.?\d*)(-(\d+))?(-(\d+))?([ensw]?)$",
1195             coordinates[coordinate].strip().lower()
1196         ).groups()
1197         value = float(degrees)
1198         if minutes: value += float(minutes)/60
1199         if seconds: value += float(seconds)/3600
1200         if hemisphere and hemisphere in "sw": value *= -1
1201         coordinates[coordinate] = math.radians(value)
1202     return tuple(coordinates)
1203
1204 def correlate():
1205     import codecs, csv, datetime, hashlib, os, re, sys, tarfile, time, zipfile
1206     if pyversion("3"): import configparser
1207     else: import ConfigParser as configparser
1208     for filename in os.listdir("."):
1209         if re.match("[0-9]{4}_Gaz_counties_national.zip$", filename):
1210             gcounties_an = filename
1211             gcounties_fn = filename[:-4] + ".txt"
1212         elif re.match("[0-9]{4}_Gaz_cousubs_national.zip$", filename):
1213             gcousubs_an = filename
1214             gcousubs_fn = filename[:-4] + ".txt"
1215         elif re.match("[0-9]{4}_Gaz_place_national.zip$", filename):
1216             gplace_an = filename
1217             gplace_fn = filename[:-4] + ".txt"
1218         elif re.match("[0-9]{4}_Gaz_zcta_national.zip$", filename):
1219             gzcta_an = filename
1220             gzcta_fn = filename[:-4] + ".txt"
1221         elif re.match("bp[0-9]{2}[a-z]{2}[0-9]{2}.dbx$", filename):
1222             cpfzcf_fn = filename
1223     nsdcccc_fn = "nsd_cccc.txt"
1224     ourairports_fn = "airports.csv"
1225     overrides_fn = "overrides.conf"
1226     overrideslog_fn = "overrides.log"
1227     slist_fn = "slist"
1228     zlist_fn = "zlist"
1229     qalog_fn = "qa.log"
1230     airports_fn = "airports"
1231     places_fn = "places"
1232     stations_fn = "stations"
1233     zctas_fn = "zctas"
1234     zones_fn = "zones"
1235     header = """\
1236 %s
1237 # generated by %s on %s from these public domain sources:
1238 #
1239 # https://www.census.gov/geographies/reference-files/time-series/geo/gazetteer-files.html
1240 # %s %s %s
1241 # %s %s %s
1242 # %s %s %s
1243 # %s %s %s
1244 #
1245 # https://www.weather.gov/gis/ZoneCounty/
1246 # %s %s %s
1247 #
1248 # https://tgftp.nws.noaa.gov/data/
1249 # %s %s %s
1250 #
1251 # https://ourairports.com/data/
1252 # %s %s %s
1253 #
1254 # ...and these manually-generated or hand-compiled adjustments:
1255 # %s %s %s
1256 # %s %s %s
1257 # %s %s %s\
1258 """ % (
1259         weather_copyright,
1260         os.path.basename( sys.argv[0] ),
1261         datetime.date.isoformat(
1262             datetime.datetime.utcfromtimestamp( int(os.environ.get('SOURCE_DATE_EPOCH', time.time())) )
1263         ),
1264         hashlib.md5( open(gcounties_an, "rb").read() ).hexdigest(),
1265         datetime.date.isoformat(
1266             datetime.datetime.utcfromtimestamp( os.path.getmtime(gcounties_an) )
1267         ),
1268         gcounties_an,
1269         hashlib.md5( open(gcousubs_an, "rb").read() ).hexdigest(),
1270         datetime.date.isoformat(
1271             datetime.datetime.utcfromtimestamp( os.path.getmtime(gcousubs_an) )
1272         ),
1273         gcousubs_an,
1274         hashlib.md5( open(gplace_an, "rb").read() ).hexdigest(),
1275         datetime.date.isoformat(
1276             datetime.datetime.utcfromtimestamp( os.path.getmtime(gplace_an) )
1277         ),
1278         gplace_an,
1279         hashlib.md5( open(gzcta_an, "rb").read() ).hexdigest(),
1280         datetime.date.isoformat(
1281             datetime.datetime.utcfromtimestamp( os.path.getmtime(gzcta_an) )
1282         ),
1283         gzcta_an,
1284         hashlib.md5( open(cpfzcf_fn, "rb").read() ).hexdigest(),
1285         datetime.date.isoformat(
1286             datetime.datetime.utcfromtimestamp( os.path.getmtime(cpfzcf_fn) )
1287         ),
1288         cpfzcf_fn,
1289         hashlib.md5( open(nsdcccc_fn, "rb").read() ).hexdigest(),
1290         datetime.date.isoformat(
1291             datetime.datetime.utcfromtimestamp( os.path.getmtime(nsdcccc_fn) )
1292         ),
1293         nsdcccc_fn,
1294         hashlib.md5( open(ourairports_fn, "rb").read() ).hexdigest(),
1295         datetime.date.isoformat(
1296             datetime.datetime.utcfromtimestamp( os.path.getmtime(ourairports_fn) )
1297         ),
1298         ourairports_fn,
1299         hashlib.md5( open(overrides_fn, "rb").read() ).hexdigest(),
1300         datetime.date.isoformat(
1301             datetime.datetime.utcfromtimestamp( os.path.getmtime(overrides_fn) )
1302         ),
1303         overrides_fn,
1304         hashlib.md5( open(slist_fn, "rb").read() ).hexdigest(),
1305         datetime.date.isoformat(
1306             datetime.datetime.utcfromtimestamp( os.path.getmtime(slist_fn) )
1307         ),
1308         slist_fn,
1309         hashlib.md5( open(zlist_fn, "rb").read() ).hexdigest(),
1310         datetime.date.isoformat(
1311             datetime.datetime.utcfromtimestamp( os.path.getmtime(zlist_fn) )
1312         ),
1313         zlist_fn
1314     )
1315     airports = {}
1316     places = {}
1317     stations = {}
1318     zctas = {}
1319     zones = {}
1320     message = "Reading %s:%s..." % (gcounties_an, gcounties_fn)
1321     sys.stdout.write(message)
1322     sys.stdout.flush()
1323     count = 0
1324     gcounties = zipfile.ZipFile(gcounties_an).open(gcounties_fn, "r")
1325     columns = gcounties.readline().decode("utf-8").strip().split("\t")
1326     for line in gcounties:
1327         fields = line.decode("utf-8").strip().split("\t")
1328         f_geoid = fields[ columns.index("GEOID") ].strip()
1329         f_name = fields[ columns.index("NAME") ].strip()
1330         f_usps = fields[ columns.index("USPS") ].strip()
1331         f_intptlat = fields[ columns.index("INTPTLAT") ].strip()
1332         f_intptlong = fields[ columns.index("INTPTLONG") ].strip()
1333         if f_geoid and f_name and f_usps and f_intptlat and f_intptlong:
1334             fips = "fips%s" % f_geoid
1335             if fips not in places: places[fips] = {}
1336             places[fips]["centroid"] = gecos(
1337                 "%s,%s" % (f_intptlat, f_intptlong)
1338             )
1339             places[fips]["description"] = "%s, %s" % (f_name, f_usps)
1340             count += 1
1341     gcounties.close()
1342     print("done (%s lines)." % count)
1343     message = "Reading %s:%s..." % (gcousubs_an, gcousubs_fn)
1344     sys.stdout.write(message)
1345     sys.stdout.flush()
1346     count = 0
1347     gcousubs = zipfile.ZipFile(gcousubs_an).open(gcousubs_fn, "r")
1348     columns = gcousubs.readline().decode("utf-8").strip().split("\t")
1349     for line in gcousubs:
1350         fields = line.decode("utf-8").strip().split("\t")
1351         f_geoid = fields[ columns.index("GEOID") ].strip()
1352         f_name = fields[ columns.index("NAME") ].strip()
1353         f_usps = fields[ columns.index("USPS") ].strip()
1354         f_intptlat = fields[ columns.index("INTPTLAT") ].strip()
1355         f_intptlong = fields[ columns.index("INTPTLONG") ].strip()
1356         if f_geoid and f_name and f_usps and f_intptlat and f_intptlong:
1357             fips = "fips%s" % f_geoid
1358             if fips not in places: places[fips] = {}
1359             places[fips]["centroid"] = gecos(
1360                 "%s,%s" % (f_intptlat, f_intptlong)
1361             )
1362             places[fips]["description"] = "%s, %s" % (f_name, f_usps)
1363             count += 1
1364     gcousubs.close()
1365     print("done (%s lines)." % count)
1366     message = "Reading %s:%s..." % (gplace_an, gplace_fn)
1367     sys.stdout.write(message)
1368     sys.stdout.flush()
1369     count = 0
1370     gplace = zipfile.ZipFile(gplace_an).open(gplace_fn, "r")
1371     columns = gplace.readline().decode("utf-8").strip().split("\t")
1372     for line in gplace:
1373         fields = line.decode("utf-8").strip().split("\t")
1374         f_geoid = fields[ columns.index("GEOID") ].strip()
1375         f_name = fields[ columns.index("NAME") ].strip()
1376         f_usps = fields[ columns.index("USPS") ].strip()
1377         f_intptlat = fields[ columns.index("INTPTLAT") ].strip()
1378         f_intptlong = fields[ columns.index("INTPTLONG") ].strip()
1379         if f_geoid and f_name and f_usps and f_intptlat and f_intptlong:
1380             fips = "fips%s" % f_geoid
1381             if fips not in places: places[fips] = {}
1382             places[fips]["centroid"] = gecos(
1383                 "%s,%s" % (f_intptlat, f_intptlong)
1384             )
1385             places[fips]["description"] = "%s, %s" % (f_name, f_usps)
1386             count += 1
1387     gplace.close()
1388     print("done (%s lines)." % count)
1389     message = "Reading %s..." % slist_fn
1390     sys.stdout.write(message)
1391     sys.stdout.flush()
1392     count = 0
1393     slist = codecs.open(slist_fn, "rU", "utf-8")
1394     for line in slist:
1395         icao = line.split("#")[0].strip()
1396         if icao:
1397             stations[icao] = {
1398                 "metar": "https://tgftp.nws.noaa.gov/data/observations/"\
1399                     + "metar/decoded/%s.TXT" % icao.upper()
1400             }
1401             count += 1
1402     slist.close()
1403     print("done (%s lines)." % count)
1404     message = "Reading %s..." % nsdcccc_fn
1405     sys.stdout.write(message)
1406     sys.stdout.flush()
1407     count = 0
1408     nsdcccc = codecs.open(nsdcccc_fn, "rU", "utf-8")
1409     for line in nsdcccc:
1410         line = str(line)
1411         fields = line.split(";")
1412         icao = fields[0].strip().lower()
1413         if icao in stations:
1414             description = []
1415             name = " ".join( fields[3].strip().title().split() )
1416             if name: description.append(name)
1417             st = fields[4].strip()
1418             if st: description.append(st)
1419             country = " ".join( fields[5].strip().title().split() )
1420             if country: description.append(country)
1421             if description:
1422                 stations[icao]["description"] = ", ".join(description)
1423             lat, lon = fields[7:9]
1424             if lat and lon:
1425                 stations[icao]["location"] = gecos( "%s,%s" % (lat, lon) )
1426             elif "location" not in stations[icao]:
1427                 lat, lon = fields[5:7]
1428                 if lat and lon:
1429                     stations[icao]["location"] = gecos( "%s,%s" % (lat, lon) )
1430         count += 1
1431     nsdcccc.close()
1432     print("done (%s lines)." % count)
1433     message = "Reading %s..." % ourairports_fn
1434     sys.stdout.write(message)
1435     sys.stdout.flush()
1436     count = 0
1437     ourairports = open(ourairports_fn, "rU")
1438     for row in csv.reader(ourairports):
1439         icao = row[12].lower()
1440         if icao in stations:
1441             iata = row[13].lower()
1442             if len(iata) == 3: airports[iata] = { "station": icao }
1443             if "description" not in stations[icao]:
1444                 description = []
1445                 name = row[3]
1446                 if name: description.append(name)
1447                 municipality = row[10]
1448                 if municipality: description.append(municipality)
1449                 region = row[9]
1450                 country = row[8]
1451                 if region:
1452                     if "-" in region:
1453                         c,r = region.split("-", 1)
1454                         if c == country: region = r
1455                     description.append(region)
1456                 if country:
1457                     description.append(country)
1458                 if description:
1459                     stations[icao]["description"] = ", ".join(description)
1460             if "location" not in stations[icao]:
1461                 lat = row[4]
1462                 if lat:
1463                     lon = row[5]
1464                     if lon:
1465                         stations[icao]["location"] = gecos(
1466                             "%s,%s" % (lat, lon)
1467                         )
1468         count += 1
1469     ourairports.close()
1470     print("done (%s lines)." % count)
1471     message = "Reading %s..." % zlist_fn
1472     sys.stdout.write(message)
1473     sys.stdout.flush()
1474     count = 0
1475     zlist = codecs.open(zlist_fn, "rU", "utf-8")
1476     for line in zlist:
1477         line = line.split("#")[0].strip()
1478         if line:
1479             zones[line] = {}
1480             count += 1
1481     zlist.close()
1482     print("done (%s lines)." % count)
1483     message = "Reading %s..." % cpfzcf_fn
1484     sys.stdout.write(message)
1485     sys.stdout.flush()
1486     count = 0
1487     cpfz = {}
1488     cpfzcf = codecs.open(cpfzcf_fn, "rU", "utf-8")
1489     for line in cpfzcf:
1490         fields = line.strip().split("|")
1491         if len(fields) == 11 \
1492             and fields[0] and fields[1] and fields[9] and fields[10]:
1493             zone = "z".join( fields[:2] ).lower()
1494             if zone in zones:
1495                 state = fields[0]
1496                 if state:
1497                     zones[zone]["coastal_flood_statement"] = (
1498                         "https://tgftp.nws.noaa.gov/data/watches_warnings/"
1499                         "flood/coastal/%s/%s.txt" % (state.lower(), zone))
1500                     zones[zone]["flash_flood_statement"] = (
1501                         "https://tgftp.nws.noaa.gov/data/watches_warnings/"
1502                         "flash_flood/statement/%s/%s.txt"
1503                         % (state.lower(), zone))
1504                     zones[zone]["flash_flood_warning"] = (
1505                         "https://tgftp.nws.noaa.gov/data/watches_warnings/"
1506                         "flash_flood/warning/%s/%s.txt"
1507                         % (state.lower(), zone))
1508                     zones[zone]["flash_flood_watch"] = (
1509                         "https://tgftp.nws.noaa.gov/data/watches_warnings/"
1510                         "flash_flood/watch/%s/%s.txt" % (state.lower(), zone))
1511                     zones[zone]["flood_statement"] = (
1512                         "https://tgftp.nws.noaa.gov/data/watches_warnings/"
1513                         "flood/statement/%s/%s.txt" % (state.lower(), zone))
1514                     zones[zone]["flood_warning"] = (
1515                         "https://tgftp.nws.noaa.gov/data/watches_warnings/"
1516                         "flood/warning/%s/%s.txt" % (state.lower(), zone))
1517                     zones[zone]["severe_thunderstorm_warning"] = (
1518                         "https://tgftp.nws.noaa.gov/data/watches_warnings/"
1519                         "thunderstorm/%s/%s.txt" % (state.lower(), zone))
1520                     zones[zone]["severe_weather_statement"] = (
1521                         "https://tgftp.nws.noaa.gov/data/watches_warnings/"
1522                         "severe_weather_stmt/%s/%s.txt"
1523                         % (state.lower(), zone))
1524                     zones[zone]["short_term_forecast"] = (
1525                         "https://tgftp.nws.noaa.gov/data/forecasts/nowcast/"
1526                         "%s/%s.txt" % (state.lower(), zone))
1527                     zones[zone]["special_weather_statement"] = (
1528                         "https://tgftp.nws.noaa.gov/data/watches_warnings/"
1529                         "special_weather_stmt/%s/%s.txt"
1530                         % (state.lower(), zone))
1531                     zones[zone]["state_forecast"] = (
1532                         "https://tgftp.nws.noaa.gov/data/forecasts/state/"
1533                         "%s/%s.txt" % (state.lower(), zone))
1534                     zones[zone]["urgent_weather_message"] = (
1535                         "https://tgftp.nws.noaa.gov/data/watches_warnings/"
1536                         "non_precip/%s/%s.txt" % (state.lower(), zone))
1537                     zones[zone]["zone_forecast"] = (
1538                         "https://tgftp.nws.noaa.gov/data/forecasts/zone/"
1539                         "%s/%s.txt" % (state.lower(), zone))
1540                 description = fields[3].strip()
1541                 fips = "fips%s"%fields[6]
1542                 county = fields[5]
1543                 if county:
1544                     if description.endswith(county):
1545                         description += " County"
1546                     else:
1547                         description += ", %s County" % county
1548                 description += ", %s, US" % state
1549                 zones[zone]["description"] = description
1550                 zones[zone]["centroid"] = gecos( ",".join( fields[9:11] ) )
1551                 if fips in places and not zones[zone]["centroid"]:
1552                     zones[zone]["centroid"] = places[fips]["centroid"]
1553         count += 1
1554     cpfzcf.close()
1555     print("done (%s lines)." % count)
1556     message = "Reading %s:%s..." % (gzcta_an, gzcta_fn)
1557     sys.stdout.write(message)
1558     sys.stdout.flush()
1559     count = 0
1560     gzcta = zipfile.ZipFile(gzcta_an).open(gzcta_fn, "r")
1561     columns = gzcta.readline().decode("utf-8").strip().split("\t")
1562     for line in gzcta:
1563         fields = line.decode("utf-8").strip().split("\t")
1564         f_geoid = fields[ columns.index("GEOID") ].strip()
1565         f_intptlat = fields[ columns.index("INTPTLAT") ].strip()
1566         f_intptlong = fields[ columns.index("INTPTLONG") ].strip()
1567         if f_geoid and f_intptlat and f_intptlong:
1568             if f_geoid not in zctas: zctas[f_geoid] = {}
1569             zctas[f_geoid]["centroid"] = gecos(
1570                 "%s,%s" % (f_intptlat, f_intptlong)
1571             )
1572             count += 1
1573     gzcta.close()
1574     print("done (%s lines)." % count)
1575     message = "Reading %s..." % overrides_fn
1576     sys.stdout.write(message)
1577     sys.stdout.flush()
1578     count = 0
1579     added = 0
1580     removed = 0
1581     changed = 0
1582     overrides = configparser.ConfigParser()
1583     overrides.readfp( codecs.open(overrides_fn, "r", "utf8") )
1584     overrideslog = []
1585     for section in overrides.sections():
1586         addopt = 0
1587         chgopt = 0
1588         if section.startswith("-"):
1589             section = section[1:]
1590             delete = True
1591         else: delete = False
1592         if re.match("[A-Za-z]{3}$", section):
1593             if delete:
1594                 if section in airports:
1595                     del( airports[section] )
1596                     logact = "removed airport %s" % section
1597                     removed += 1
1598                 else:
1599                     logact = "tried to remove nonexistent airport %s" % section
1600             else:
1601                 if section in airports:
1602                     logact = "changed airport %s" % section
1603                     changed += 1
1604                 else:
1605                     airports[section] = {}
1606                     logact = "added airport %s" % section
1607                     added += 1
1608                 for key,value in overrides.items(section):
1609                     if key in airports[section]: chgopt += 1
1610                     else: addopt += 1
1611                     if key in ("centroid", "location"):
1612                         airports[section][key] = eval(value)
1613                     else:
1614                         airports[section][key] = value
1615                 if addopt and chgopt:
1616                     logact += " (+%s/!%s options)" % (addopt, chgopt)
1617                 elif addopt: logact += " (+%s options)" % addopt
1618                 elif chgopt: logact += " (!%s options)" % chgopt
1619         elif re.match("[A-Za-z0-9]{4}$", section):
1620             if delete:
1621                 if section in stations:
1622                     del( stations[section] )
1623                     logact = "removed station %s" % section
1624                     removed += 1
1625                 else:
1626                     logact = "tried to remove nonexistent station %s" % section
1627             else:
1628                 if section in stations:
1629                     logact = "changed station %s" % section
1630                     changed += 1
1631                 else:
1632                     stations[section] = {}
1633                     logact = "added station %s" % section
1634                     added += 1
1635                 for key,value in overrides.items(section):
1636                     if key in stations[section]: chgopt += 1
1637                     else: addopt += 1
1638                     if key in ("centroid", "location"):
1639                         stations[section][key] = eval(value)
1640                     else:
1641                         stations[section][key] = value
1642                 if addopt and chgopt:
1643                     logact += " (+%s/!%s options)" % (addopt, chgopt)
1644                 elif addopt: logact += " (+%s options)" % addopt
1645                 elif chgopt: logact += " (!%s options)" % chgopt
1646         elif re.match("[0-9]{5}$", section):
1647             if delete:
1648                 if section in zctas:
1649                     del( zctas[section] )
1650                     logact = "removed zcta %s" % section
1651                     removed += 1
1652                 else:
1653                     logact = "tried to remove nonexistent zcta %s" % section
1654             else:
1655                 if section in zctas:
1656                     logact = "changed zcta %s" % section
1657                     changed += 1
1658                 else:
1659                     zctas[section] = {}
1660                     logact = "added zcta %s" % section
1661                     added += 1
1662                 for key,value in overrides.items(section):
1663                     if key in zctas[section]: chgopt += 1
1664                     else: addopt += 1
1665                     if key in ("centroid", "location"):
1666                         zctas[section][key] = eval(value)
1667                     else:
1668                         zctas[section][key] = value
1669                 if addopt and chgopt:
1670                     logact += " (+%s/!%s options)" % (addopt, chgopt)
1671                 elif addopt: logact += " (+%s options)" % addopt
1672                 elif chgopt: logact += " (!%s options)" % chgopt
1673         elif re.match("[A-Za-z]{2}[Zz][0-9]{3}$", section):
1674             if delete:
1675                 if section in zones:
1676                     del( zones[section] )
1677                     logact = "removed zone %s" % section
1678                     removed += 1
1679                 else:
1680                     logact = "tried to remove nonexistent zone %s" % section
1681             else:
1682                 if section in zones:
1683                     logact = "changed zone %s" % section
1684                     changed += 1
1685                 else:
1686                     zones[section] = {}
1687                     logact = "added zone %s" % section
1688                     added += 1
1689                 for key,value in overrides.items(section):
1690                     if key in zones[section]: chgopt += 1
1691                     else: addopt += 1
1692                     if key in ("centroid", "location"):
1693                         zones[section][key] = eval(value)
1694                     else:
1695                         zones[section][key] = value
1696                 if addopt and chgopt:
1697                     logact += " (+%s/!%s options)" % (addopt, chgopt)
1698                 elif addopt: logact += " (+%s options)" % addopt
1699                 elif chgopt: logact += " (!%s options)" % chgopt
1700         elif re.match("fips[0-9]+$", section):
1701             if delete:
1702                 if section in places:
1703                     del( places[section] )
1704                     logact = "removed place %s" % section
1705                     removed += 1
1706                 else:
1707                     logact = "tried to remove nonexistent place %s" % section
1708             else:
1709                 if section in places:
1710                     logact = "changed place %s" % section
1711                     changed += 1
1712                 else:
1713                     places[section] = {}
1714                     logact = "added place %s" % section
1715                     added += 1
1716                 for key,value in overrides.items(section):
1717                     if key in places[section]: chgopt += 1
1718                     else: addopt += 1
1719                     if key in ("centroid", "location"):
1720                         places[section][key] = eval(value)
1721                     else:
1722                         places[section][key] = value
1723                 if addopt and chgopt:
1724                     logact += " (+%s/!%s options)" % (addopt, chgopt)
1725                 elif addopt: logact += " (+%s options)" % addopt
1726                 elif chgopt: logact += " (!%s options)" % chgopt
1727         count += 1
1728         overrideslog.append("%s\n" % logact)
1729     overrideslog.sort()
1730     if os.path.exists(overrideslog_fn):
1731         os.rename(overrideslog_fn, "%s_old"%overrideslog_fn)
1732     overrideslog_fd = codecs.open(overrideslog_fn, "w", "utf8")
1733     import time
1734     overrideslog_fd.write(
1735         '# Copyright (c) %s Jeremy Stanley <fungi@yuggoth.org>. Permission to\n'
1736         '# use, copy, modify, and distribute this software is granted under terms\n'
1737         '# provided in the LICENSE file distributed with this software.\n\n'
1738         % time.gmtime().tm_year)
1739     overrideslog_fd.writelines(overrideslog)
1740     overrideslog_fd.close()
1741     print("done (%s overridden sections: +%s/-%s/!%s)." % (
1742         count,
1743         added,
1744         removed,
1745         changed
1746     ) )
1747     estimate = 2*len(places) + len(stations) + 2*len(zctas) + len(zones)
1748     print(
1749         "Correlating places, stations, ZCTAs and zones (upper bound is %s):" % \
1750             estimate
1751     )
1752     count = 0
1753     milestones = list( range(51) )
1754     message = "   "
1755     sys.stdout.write(message)
1756     sys.stdout.flush()
1757     for fips in places:
1758         centroid = places[fips]["centroid"]
1759         if centroid:
1760             station = closest(centroid, stations, "location", 0.1)
1761         if station[0]:
1762             places[fips]["station"] = station
1763             count += 1
1764             if not count%100:
1765                 level = int(50*count/estimate)
1766                 if level in milestones:
1767                     for remaining in milestones[:milestones.index(level)+1]:
1768                         if remaining%5:
1769                             message = "."
1770                             sys.stdout.write(message)
1771                             sys.stdout.flush()
1772                         else:
1773                             message = "%s%%" % (remaining*2,)
1774                             sys.stdout.write(message)
1775                             sys.stdout.flush()
1776                         milestones.remove(remaining)
1777         if centroid:
1778             zone = closest(centroid, zones, "centroid", 0.1)
1779         if zone[0]:
1780             places[fips]["zone"] = zone
1781             count += 1
1782             if not count%100:
1783                 level = int(50*count/estimate)
1784                 if level in milestones:
1785                     for remaining in milestones[:milestones.index(level)+1]:
1786                         if remaining%5:
1787                             message = "."
1788                             sys.stdout.write(message)
1789                             sys.stdout.flush()
1790                         else:
1791                             message = "%s%%" % (remaining*2,)
1792                             sys.stdout.write(message)
1793                             sys.stdout.flush()
1794                         milestones.remove(remaining)
1795     for station in stations:
1796         if "location" in stations[station]:
1797             location = stations[station]["location"]
1798             if location:
1799                 zone = closest(location, zones, "centroid", 0.1)
1800             if zone[0]:
1801                 stations[station]["zone"] = zone
1802                 count += 1
1803                 if not count%100:
1804                     level = int(50*count/estimate)
1805                     if level in milestones:
1806                         for remaining in milestones[:milestones.index(level)+1]:
1807                             if remaining%5:
1808                                 message = "."
1809                                 sys.stdout.write(message)
1810                                 sys.stdout.flush()
1811                             else:
1812                                 message = "%s%%" % (remaining*2,)
1813                                 sys.stdout.write(message)
1814                                 sys.stdout.flush()
1815                             milestones.remove(remaining)
1816     for zcta in zctas.keys():
1817         centroid = zctas[zcta]["centroid"]
1818         if centroid:
1819             station = closest(centroid, stations, "location", 0.1)
1820         if station[0]:
1821             zctas[zcta]["station"] = station
1822             count += 1
1823             if not count%100:
1824                 level = int(50*count/estimate)
1825                 if level in milestones:
1826                     for remaining in milestones[ : milestones.index(level)+1 ]:
1827                         if remaining%5:
1828                             message = "."
1829                             sys.stdout.write(message)
1830                             sys.stdout.flush()
1831                         else:
1832                             message = "%s%%" % (remaining*2,)
1833                             sys.stdout.write(message)
1834                             sys.stdout.flush()
1835                         milestones.remove(remaining)
1836         if centroid:
1837             zone = closest(centroid, zones, "centroid", 0.1)
1838         if zone[0]:
1839             zctas[zcta]["zone"] = zone
1840             count += 1
1841             if not count%100:
1842                 level = int(50*count/estimate)
1843                 if level in milestones:
1844                     for remaining in milestones[:milestones.index(level)+1]:
1845                         if remaining%5:
1846                             message = "."
1847                             sys.stdout.write(message)
1848                             sys.stdout.flush()
1849                         else:
1850                             message = "%s%%" % (remaining*2,)
1851                             sys.stdout.write(message)
1852                             sys.stdout.flush()
1853                         milestones.remove(remaining)
1854     for zone in zones.keys():
1855         if "centroid" in zones[zone]:
1856             centroid = zones[zone]["centroid"]
1857             if centroid:
1858                 station = closest(centroid, stations, "location", 0.1)
1859             if station[0]:
1860                 zones[zone]["station"] = station
1861                 count += 1
1862                 if not count%100:
1863                     level = int(50*count/estimate)
1864                     if level in milestones:
1865                         for remaining in milestones[:milestones.index(level)+1]:
1866                             if remaining%5:
1867                                 message = "."
1868                                 sys.stdout.write(message)
1869                                 sys.stdout.flush()
1870                             else:
1871                                 message = "%s%%" % (remaining*2,)
1872                                 sys.stdout.write(message)
1873                                 sys.stdout.flush()
1874                             milestones.remove(remaining)
1875     for remaining in milestones:
1876         if remaining%5:
1877             message = "."
1878             sys.stdout.write(message)
1879             sys.stdout.flush()
1880         else:
1881             message = "%s%%" % (remaining*2,)
1882             sys.stdout.write(message)
1883             sys.stdout.flush()
1884     print("\n   done (%s correlations)." % count)
1885     message = "Writing %s..." % airports_fn
1886     sys.stdout.write(message)
1887     sys.stdout.flush()
1888     count = 0
1889     if os.path.exists(airports_fn):
1890         os.rename(airports_fn, "%s_old"%airports_fn)
1891     airports_fd = codecs.open(airports_fn, "w", "utf8")
1892     airports_fd.write(header)
1893     for airport in sorted( airports.keys() ):
1894         airports_fd.write("\n\n[%s]" % airport)
1895         for key, value in sorted( airports[airport].items() ):
1896             if type(value) is float: value = "%.7f"%value
1897             elif type(value) is tuple:
1898                 elements = []
1899                 for element in value:
1900                     if type(element) is float: elements.append("%.7f"%element)
1901                     else: elements.append( repr(element) )
1902                 value = "(%s)"%", ".join(elements)
1903             airports_fd.write( "\n%s = %s" % (key, value) )
1904         count += 1
1905     airports_fd.write("\n")
1906     airports_fd.close()
1907     print("done (%s sections)." % count)
1908     message = "Writing %s..." % places_fn
1909     sys.stdout.write(message)
1910     sys.stdout.flush()
1911     count = 0
1912     if os.path.exists(places_fn):
1913         os.rename(places_fn, "%s_old"%places_fn)
1914     places_fd = codecs.open(places_fn, "w", "utf8")
1915     places_fd.write(header)
1916     for fips in sorted( places.keys() ):
1917         places_fd.write("\n\n[%s]" % fips)
1918         for key, value in sorted( places[fips].items() ):
1919             if type(value) is float: value = "%.7f"%value
1920             elif type(value) is tuple:
1921                 elements = []
1922                 for element in value:
1923                     if type(element) is float: elements.append("%.7f"%element)
1924                     else: elements.append( repr(element) )
1925                 value = "(%s)"%", ".join(elements)
1926             places_fd.write( "\n%s = %s" % (key, value) )
1927         count += 1
1928     places_fd.write("\n")
1929     places_fd.close()
1930     print("done (%s sections)." % count)
1931     message = "Writing %s..." % stations_fn
1932     sys.stdout.write(message)
1933     sys.stdout.flush()
1934     count = 0
1935     if os.path.exists(stations_fn):
1936         os.rename(stations_fn, "%s_old"%stations_fn)
1937     stations_fd = codecs.open(stations_fn, "w", "utf-8")
1938     stations_fd.write(header)
1939     for station in sorted( stations.keys() ):
1940         stations_fd.write("\n\n[%s]" % station)
1941         for key, value in sorted( stations[station].items() ):
1942             if type(value) is float: value = "%.7f"%value
1943             elif type(value) is tuple:
1944                 elements = []
1945                 for element in value:
1946                     if type(element) is float: elements.append("%.7f"%element)
1947                     else: elements.append( repr(element) )
1948                 value = "(%s)"%", ".join(elements)
1949             if type(value) is bytes:
1950                 value = value.decode("utf-8")
1951             stations_fd.write( "\n%s = %s" % (key, value) )
1952         count += 1
1953     stations_fd.write("\n")
1954     stations_fd.close()
1955     print("done (%s sections)." % count)
1956     message = "Writing %s..." % zctas_fn
1957     sys.stdout.write(message)
1958     sys.stdout.flush()
1959     count = 0
1960     if os.path.exists(zctas_fn):
1961         os.rename(zctas_fn, "%s_old"%zctas_fn)
1962     zctas_fd = codecs.open(zctas_fn, "w", "utf8")
1963     zctas_fd.write(header)
1964     for zcta in sorted( zctas.keys() ):
1965         zctas_fd.write("\n\n[%s]" % zcta)
1966         for key, value in sorted( zctas[zcta].items() ):
1967             if type(value) is float: value = "%.7f"%value
1968             elif type(value) is tuple:
1969                 elements = []
1970                 for element in value:
1971                     if type(element) is float: elements.append("%.7f"%element)
1972                     else: elements.append( repr(element) )
1973                 value = "(%s)"%", ".join(elements)
1974             zctas_fd.write( "\n%s = %s" % (key, value) )
1975         count += 1
1976     zctas_fd.write("\n")
1977     zctas_fd.close()
1978     print("done (%s sections)." % count)
1979     message = "Writing %s..." % zones_fn
1980     sys.stdout.write(message)
1981     sys.stdout.flush()
1982     count = 0
1983     if os.path.exists(zones_fn):
1984         os.rename(zones_fn, "%s_old"%zones_fn)
1985     zones_fd = codecs.open(zones_fn, "w", "utf8")
1986     zones_fd.write(header)
1987     for zone in sorted( zones.keys() ):
1988         zones_fd.write("\n\n[%s]" % zone)
1989         for key, value in sorted( zones[zone].items() ):
1990             if type(value) is float: value = "%.7f"%value
1991             elif type(value) is tuple:
1992                 elements = []
1993                 for element in value:
1994                     if type(element) is float: elements.append("%.7f"%element)
1995                     else: elements.append( repr(element) )
1996                 value = "(%s)"%", ".join(elements)
1997             zones_fd.write( "\n%s = %s" % (key, value) )
1998         count += 1
1999     zones_fd.write("\n")
2000     zones_fd.close()
2001     print("done (%s sections)." % count)
2002     message = "Starting QA check..."
2003     sys.stdout.write(message)
2004     sys.stdout.flush()
2005     airports = configparser.ConfigParser()
2006     airports.read(airports_fn)
2007     places = configparser.ConfigParser()
2008     places.read(places_fn)
2009     stations = configparser.ConfigParser()
2010     stations.read(stations_fn)
2011     zctas = configparser.ConfigParser()
2012     zctas.read(zctas_fn)
2013     zones = configparser.ConfigParser()
2014     zones.read(zones_fn)
2015     qalog = []
2016     places_nocentroid = 0
2017     places_nodescription = 0
2018     for place in sorted( places.sections() ):
2019         if not places.has_option(place, "centroid"):
2020             qalog.append("%s: no centroid\n" % place)
2021             places_nocentroid += 1
2022         if not places.has_option(place, "description"):
2023             qalog.append("%s: no description\n" % place)
2024             places_nodescription += 1
2025     stations_nodescription = 0
2026     stations_nolocation = 0
2027     stations_nometar = 0
2028     for station in sorted( stations.sections() ):
2029         if not stations.has_option(station, "description"):
2030             qalog.append("%s: no description\n" % station)
2031             stations_nodescription += 1
2032         if not stations.has_option(station, "location"):
2033             qalog.append("%s: no location\n" % station)
2034             stations_nolocation += 1
2035         if not stations.has_option(station, "metar"):
2036             qalog.append("%s: no metar\n" % station)
2037             stations_nometar += 1
2038     airports_badstation = 0
2039     airports_nostation = 0
2040     for airport in sorted( airports.sections() ):
2041         if not airports.has_option(airport, "station"):
2042             qalog.append("%s: no station\n" % airport)
2043             airports_nostation += 1
2044         else:
2045             station = airports.get(airport, "station")
2046             if station not in stations.sections():
2047                 qalog.append( "%s: bad station %s\n" % (airport, station) )
2048                 airports_badstation += 1
2049     zctas_nocentroid = 0
2050     for zcta in sorted( zctas.sections() ):
2051         if not zctas.has_option(zcta, "centroid"):
2052             qalog.append("%s: no centroid\n" % zcta)
2053             zctas_nocentroid += 1
2054     zones_nocentroid = 0
2055     zones_nodescription = 0
2056     zones_noforecast = 0
2057     zones_overlapping = 0
2058     zonetable = {}
2059     for zone in zones.sections():
2060         if zones.has_option(zone, "centroid"):
2061             zonetable[zone] = {
2062                 "centroid": eval( zones.get(zone, "centroid") )
2063             }
2064     for zone in sorted( zones.sections() ):
2065         if zones.has_option(zone, "centroid"):
2066             zonetable_local = zonetable.copy()
2067             del( zonetable_local[zone] )
2068             centroid = eval( zones.get(zone, "centroid") )
2069             if centroid:
2070                 nearest = closest(centroid, zonetable_local, "centroid", 0.1)
2071             if nearest[1]*radian_to_km < 1:
2072                 qalog.append( "%s: within one km of %s\n" % (
2073                     zone,
2074                     nearest[0]
2075                 ) )
2076                 zones_overlapping += 1
2077         else:
2078             qalog.append("%s: no centroid\n" % zone)
2079             zones_nocentroid += 1
2080         if not zones.has_option(zone, "description"):
2081             qalog.append("%s: no description\n" % zone)
2082             zones_nodescription += 1
2083         if not zones.has_option(zone, "zone_forecast"):
2084             qalog.append("%s: no forecast\n" % zone)
2085             zones_noforecast += 1
2086     if os.path.exists(qalog_fn):
2087         os.rename(qalog_fn, "%s_old"%qalog_fn)
2088     qalog_fd = codecs.open(qalog_fn, "w", "utf8")
2089     import time
2090     qalog_fd.write(
2091         '# Copyright (c) %s Jeremy Stanley <fungi@yuggoth.org>. Permission to\n'
2092         '# use, copy, modify, and distribute this software is granted under terms\n'
2093         '# provided in the LICENSE file distributed with this software.\n\n'
2094         % time.gmtime().tm_year)
2095     qalog_fd.writelines(qalog)
2096     qalog_fd.close()
2097     if qalog:
2098         print("issues found (see %s for details):"%qalog_fn)
2099         if airports_badstation:
2100             print("   %s airports with invalid station"%airports_badstation)
2101         if airports_nostation:
2102             print("   %s airports with no station"%airports_nostation)
2103         if places_nocentroid:
2104             print("   %s places with no centroid"%places_nocentroid)
2105         if places_nodescription:
2106             print("   %s places with no description"%places_nodescription)
2107         if stations_nodescription:
2108             print("   %s stations with no description"%stations_nodescription)
2109         if stations_nolocation:
2110             print("   %s stations with no location"%stations_nolocation)
2111         if stations_nometar:
2112             print("   %s stations with no METAR"%stations_nometar)
2113         if zctas_nocentroid:
2114             print("   %s ZCTAs with no centroid"%zctas_nocentroid)
2115         if zones_nocentroid:
2116             print("   %s zones with no centroid"%zones_nocentroid)
2117         if zones_nodescription:
2118             print("   %s zones with no description"%zones_nodescription)
2119         if zones_noforecast:
2120             print("   %s zones with no forecast"%zones_noforecast)
2121         if zones_overlapping:
2122             print("   %s zones within one km of another"%zones_overlapping)
2123     else: print("no issues found.")
2124     print("Indexing complete!")