From eb8b70870e7e87816c5b6d219eee149f46669941 Mon Sep 17 00:00:00 2001 From: minima Date: Mon, 3 Feb 2003 01:42:39 +0000 Subject: [PATCH] add new short form cgi program --- Geo/TAF/Changes | 3 + Geo/TAF/MANIFEST | 1 + Geo/TAF/TAF.pm | 30 +-- Geo/TAF/example/fetch_weather.pl | 5 + Geo/TAF/example/scgi_weather.pl | 441 +++++++++++++++++++++++++++++++ 5 files changed, 459 insertions(+), 21 deletions(-) create mode 100755 Geo/TAF/example/scgi_weather.pl diff --git a/Geo/TAF/Changes b/Geo/TAF/Changes index de4f37f1..861714f7 100644 --- a/Geo/TAF/Changes +++ b/Geo/TAF/Changes @@ -4,3 +4,6 @@ Revision history for Perl extension Geo::TAF. - original version; created by h2xs 1.22 with options --skip-exporter --skip-autoloader -Xb 5.5.0 -n Geo::TAF +1.02 Mon Feb 3 01:28:00 2003 + - fixed some uninitialised data errors in TAF.pm + - included example scgi_weather.pl diff --git a/Geo/TAF/MANIFEST b/Geo/TAF/MANIFEST index 27ae38e0..30444d4e 100644 --- a/Geo/TAF/MANIFEST +++ b/Geo/TAF/MANIFEST @@ -7,4 +7,5 @@ example/cmd_chunks.pl example/cmd_taf.pl example/fetch_weather.pl example/cgi_weather.pl +example/scgi_weather.pl t/1.t diff --git a/Geo/TAF/TAF.pm b/Geo/TAF/TAF.pm index a3c3f19c..04f3ddd0 100644 --- a/Geo/TAF/TAF.pm +++ b/Geo/TAF/TAF.pm @@ -13,7 +13,7 @@ use 5.005; use strict; use vars qw($VERSION); -$VERSION = '1.01'; +$VERSION = '1.02'; my %err = ( @@ -196,7 +196,7 @@ sub decode # next token may be a time if it is a taf my ($from, $to); - if (($from, $to) = $tok[0] =~ /^(\d\d)(\d\d)$/) { + if (@tok && (($from, $to) = $tok[0] =~ /^(\d\d)(\d\d)$/)) { if ($self->{taf} && $from >= 0 && $from <= 24 && $to >= 0 && $to <= 24) { shift @tok; $from = _time($from * 100); @@ -247,7 +247,7 @@ sub decode # next token may be a time if it is a taf my ($from, $to); - if (($from, $to) = $tok[0] =~ /^(\d\d)(\d\d)$/) { + if (@tok && (($from, $to) = $tok[0] =~ /^(\d\d)(\d\d)$/)) { if ($self->{taf} && $from >= 0 && $from <= 24 && $to >= 0 && $to <= 24) { shift @tok; $from = _time($from * 100); @@ -266,15 +266,14 @@ sub decode # a wind group } elsif (my ($wdir, $spd, $gust, $unit) = $t =~ /^(\d\d\d|VRB)(\d\d)(?:G(\d\d))?(KT|MPH|MPS|KMH)$/) { - # the next word might be 'AUTO' - if ($tok[0] eq 'AUTO') { + my ($fromdir, $todir); + + if (@tok && (($fromdir, $todir) = $tok[0] =~ /^(\d\d\d)V(\d\d\d)$/)) { shift @tok; } - + # it could be variable so look at the next token - my ($fromdir, $todir) = $tok[0] =~ /^(\d\d\d)V(\d\d\d)$/; - shift @tok if defined $fromdir; $spd = 0 + $spd; $gust = 0 + $gust if defined $gust; $unit = ucfirst lc $unit; @@ -315,7 +314,8 @@ sub decode # viz group in miles and faction of a mile with space between } elsif (my ($m) = $t =~ m!^(\d)$!) { - if (my ($viz) = $tok[0] =~ m!^(\d/\d)SM$!) { + my $viz; + if (@tok && (($viz) = $tok[0] =~ m!^(\d/\d)SM$!)) { shift @tok; $viz = "$m $viz"; $self->{viz_dist} ||= $viz; @@ -419,18 +419,6 @@ sub as_string return join ' ', ucfirst $n, map {defined $_ ? $_ : ()} @$self; } -# accessors -sub AUTOLOAD -{ - no strict; - my $name = $AUTOLOAD; - return if $name =~ /::DESTROY$/; - $name =~ s/^.*:://o; - - *$AUTOLOAD = sub { $_[0]->{$name}}; - goto &$AUTOLOAD; -} - package Geo::TAF::EN::HEAD; use vars qw(@ISA); @ISA = qw(Geo::TAF::EN); diff --git a/Geo/TAF/example/fetch_weather.pl b/Geo/TAF/example/fetch_weather.pl index 178a6910..8d01a225 100755 --- a/Geo/TAF/example/fetch_weather.pl +++ b/Geo/TAF/example/fetch_weather.pl @@ -25,6 +25,7 @@ # # Get the site code. +my ($debug, $raw); my @sort; while ($ARGV[0] =~ /^-/ && @ARGV > 1) { my @f = split //, shift @ARGV; @@ -33,6 +34,8 @@ while ($ARGV[0] =~ /^-/ && @ARGV > 1) { push @sort, 'taf' if $f eq 't' && ! grep $_ eq 'taf', @sort; push @sort, 'staf' if $f eq 's' && ! grep $_ eq 'staf', @sort; push @sort, 'metar' if $f eq 'm' && ! grep $_ eq 'metar', @sort; + $debug++ if $f eq 'x'; + $raw++ if $f eq 'r'; } } push @sort, 'metar' unless @sort; @@ -81,6 +84,8 @@ foreach $sort (@sort) { } else { $m->metar($metar); } + print $m->raw, "\n" if $raw; + print join "\n", $m->as_chunk_strings, "\n" if $debug; print $m->as_string, "\n"; } else { diff --git a/Geo/TAF/example/scgi_weather.pl b/Geo/TAF/example/scgi_weather.pl new file mode 100755 index 00000000..ddb2e605 --- /dev/null +++ b/Geo/TAF/example/scgi_weather.pl @@ -0,0 +1,441 @@ +#!/usr/bin/perl -w +# +# fetch a metar, taf or short taf from http://weather.noaa.gov +# +# This is a module which shows me doing my own thing using the +# normalised input. It does essentially the same job as +# cgi_weather.pl, it's just a lot more complicated but returns +# a much shorter string that is a bit more cryptic. +# +# It also is designed really to just get the forecast and +# actual weather. +# +# This is designed to be used in a IFRAME and returns HTML. +# It will only query the website once every 30 minutes, the rest +# of the time it will cache the result in an 'easily guessable' +# place in /tmp (consider that as a warning). +# +# Call it from a web page like this:- +# +# +# +# You can set as many of these as you like:- +# +# break=1 insert a "

" between each result +# onediv=1 make a multiple one div (not one div per thing) +# raw=1 will display the raw weather string +# debug=1 will display the objects +# force=1 always fetch the data (don't use any cached stuff) +# +# $Id$ +# +# Copyright (c) 2003 Dirk Koopman G1TLH +# +use strict; + +package main; + +use CGI; +use Geo::TAF; +use LWP::UserAgent; + +my $q = new CGI; +my $site_code = uc $q->param('icao'); +my @sort = qw(metar staf); +my $debug = $q->param('debug'); +my $raw = $q->param('raw'); +my $force = $q->param('force'); +my $dobrk = "

" if $q->param('break') && @sort > 1; +my $onediv = $q->param('onediv') && @sort > 1; + + +my %st = ( + VV => 'vert. viz', + SKC => "no cloud", + CLR => "no cloud no sig wthr", + SCT => "5-7okt", + BKN => "3-4okt", + FEW => "0-2okt", + OVC => "8okt", + CAVOK => "CAVOK(no cloud >10Km viz no sig wthr)", + CB => 'CuNim', + TCU => 'tower Cu', + NSC => 'no sig cloud', + BLU => '3okt 2500ft 8Km viz', + WHT => '3okt 1500ft 5Km viz', + GRN => '3okt 700ft 3700m viz', + YLO => '3okt 300ft 1600m viz', + AMB => '3okt 200ft 800m viz', + RED => '3okt <200ft <800m viz', + NIL => 'no weather', + '///' => 'some', + ); + +my %wt = ( + '+' => 'heavy', + '-' => 'light', + 'VC' => 'in the vicinity', + + MI => 'shallow', + PI => 'partial', + BC => 'patches of', + DR => 'low drifting', + BL => 'blowing', + SH => 'showers', + TS => 'thunderstorms containing', + FZ => 'freezing', + RE => 'recent', + + DZ => 'drizzle', + RA => 'rain', + SN => 'snow', + SG => 'snow grains', + IC => 'ice crystals', + PE => 'ice pellets', + GR => 'hail', + GS => 'small hail/snow pellets', + UP => 'unknown precip', + + BR => 'mist', + FG => 'fog', + FU => 'smoke', + VA => 'volcanic ash', + DU => 'dust', + SA => 'sand', + HZ => 'haze', + PY => 'spray', + + PO => 'dust/sand whirls', + SQ => 'squalls', + FC => 'tornado', + SS => 'sand storm', + DS => 'dust storm', + '+FC' => 'water spouts', + WS => 'wind shear', + 'BKN' => 'broken', + + 'NOSIG' => 'no significant weather', + + ); + +start(); + +error("No ICAO (valid) site code ($site_code) specified") unless $site_code && $site_code =~ /^[A-Z]{4}$/; + +my $base = "/tmp"; +my ($sort, $fn, $started); + +print "
$site_code "; + +while ($sort = shift @sort) { + $fn = "$base/${sort}_$site_code"; + + if (!$force && -e $fn) { + my ($mt, $size) = (stat $fn)[9,7] ; + $mt ||= 0; + $size ||= 0; + if ($mt + 30*60 < time || $size == 0) { + my $s = fetch_icao($sort); + store($s); + print $s; + } else { + my $s = retrieve($fn); + print $s; + } + } else { + my $s = fetch_icao($sort); + store($s); + print $s; + } + + if (@sort > 0) { + print $onediv ? ' ' : '
'; + print $dobrk if $dobrk; + print '
' unless $onediv; + } +} + +finish(); +exit(0); + +sub retrieve +{ + my $fn = shift; + open IN, "$fn" or die "cannot open $fn $!\n"; + my $s = ; + close IN; + return $s; +} + +sub fetch_thing +{ + my $sort = shift; + + my $ua = new LWP::UserAgent; + my $req = new HTTP::Request GET => + "http://weather.noaa.gov/cgi-bin/mget$sort.pl?cccc=$site_code"; + + my $response = $ua->request($req); + + my $metar; + if (!$response->is_success) { + error("METAR Fetch $site_code Error", $response->error_as_HTML); + } else { + + my $data = $response->as_string; + ($metar) = $data =~ /($site_code\s+\d+Z?[^<]*)/; # find the METAR string + + # Sanity check + if (length $metar < 10) { + error("METAR ($metar) is too short"); + } + } + return $metar; +} + +sub fetch_icao +{ + my $sort = shift; + my $metar = fetch_thing($sort); + + # pass the data to the METAR module. + my $m = new Geo::TAF; + if ($sort =~ /taf$/) { + $m->taf($metar); + } else { + $m->metar($metar); + } + + my @in; + my $s; + $s .= join "
", $m->raw, "
" if $raw; + $s .= join "
", $m->as_chunk_strings, "
" if $debug; + foreach my $c ($m->chunks) { + my ($sub) = (ref $c) =~ /::([A-Z]+)$/; + no strict 'refs'; + if ($sub eq 'HEAD') { + $sub = $sort =~ /taf$/ ? "taf$sub" : "metar$sub"; + } + push @in, &$sub($c); + } + $s .= join ' ', @in; + return $s; +} + +sub start +{ + return if $started; + print $q->header(-type=>'text/html', -expires=>'+60m'); + print $q->start_html(-title=>"Weather for $site_code", -style=>{'src'=>'/style.css'},); + $started = 1; +} + +sub finish +{ + print "
"; + print $q->end_html, "\n"; +} + +sub store +{ + my $s = shift; + open OUT, ">$fn" or die "cannot open $fn $!\n"; + print OUT $s; + close OUT; +} + +sub error +{ + my $err = shift; + my $more = shift; + print $q->h3($err); + print $more if $more; + print "", $q->end_html; + warn($err); + + exit(0); +} + +sub _dayend +{ + my $d = sprintf "%d", shift; + if ($d =~ /1$/) { + return "${d}st"; + } elsif ($d =~ /2$/) { + return "${d}nd"; + } elsif ($d =~ /3$/) { + return "${d}rd"; + } + return "${d}th"; +} + +sub tafHEAD +{ + my @in = @{$_[0]}; + return "FORECAST Issued $in[3] " . _dayend($in[2]); +} + +sub metarHEAD +{ + my @in = @{$_[0]}; + return "CURRENT Issued $in[3] " . _dayend($in[2]); +} + +sub VALID +{ + my @in = @{$_[0]}; + return "Valid $in[1]-\>$in[2] " . _dayend($in[0]); +} + +sub WIND +{ + my @in = @{$_[0]}; + my $out = "Wind"; + $out .= $in[0] eq 'VRB' ? " variable" : " $in[0]"; + $out .= " varying $in[4]-\>$in[5]" if defined $in[4]; + $out .= ($in[0] eq 'VRB' ? '' : "deg") . " $in[1]"; + $out .= " gust $in[2]" if defined $in[2]; + $out .= $in[3]; + return $out; +} + +sub PRESS +{ + my @in = @{$_[0]}; + return "QNH $in[0]"; +} + +sub TEMP +{ + my @in = @{$_[0]}; + my $out = "Temp $in[0]C"; + $out .= " Dewp $in[1]C" if defined $in[1]; + + return $out; +} + +sub CLOUD +{ + my @in = @{$_[0]}; + + return $st{$in[0]} if @in == 1; + return "Cloud $st{$in[0]} \@ $in[1]ft" if $in[0] eq 'VV'; + my $out = "Cloud $st{$in[0]} \@ $in[1]ft"; + $out .= " $st{$in[2]}" if defined $in[2]; + return $out; +} + +#sub WEATHER +#{ +# goto &Geo::TAF::EN::WEATHER::as_string; +#} + + +sub WEATHER +{ + my @in = @{$_[0]}; + my @out; + + my ($vic, $shower); + my $one = $in[0]; + + while (@in) { + my $t = shift @in; + + if (!defined $t) { + next; + } elsif ($t eq 'VC') { + $vic++; + next; + } elsif ($t eq 'SH') { + $shower++; + next; + } elsif ($t eq '+' && $one eq 'FC') { + push @out, $wt{'+FC'}; + shift; + next; + } + + push @out, $wt{$t}; + + if (@out && $shower) { + $shower = 0; + push @out, $wt{'SH'}; + } + } + push @out, $wt{'VC'} if $vic; + + return join ' ', @out; +} + +sub RVR +{ + my @in = @{$_[0]}; + my $out = "RVR R$in[0] $in[1]$in[3]"; + $out .= " vary $in[2]$in[3]" if defined $in[2]; + if (defined $in[4]) { + $out .= " decr" if $in[4] eq 'D'; + $out .= " incr" if $in[4] eq 'U'; + } + return $out; +} + +sub RWY +{ + return ""; +} + +sub PROB +{ + my @in = @{$_[0]}; + + my $out = "Prob $in[0]%"; + $out .= " $in[1]-\>$in[2]" if defined $in[1]; + return $out; +} + +sub TEMPO +{ + my @in = @{$_[0]}; + my $out = "Temporary"; + $out .= " $in[0]-\>$in[1]" if defined $in[0]; + + return $out; +} + +sub BECMG +{ + my @in = @{$_[0]}; + my $out = "Becoming"; + $out .= " $in[0]-\>$in[1]" if defined $in[0]; + + return $out; +} + +sub VIZ +{ + my @in = @{$_[0]}; + + return "Viz $in[0]$in[1]"; +} + +sub FROM +{ + my @in = @{$_[0]}; + + return "From $in[0]"; +} + +sub TIL +{ + my @in = @{$_[0]}; + + return "Until $in[0]"; +} + +1; -- 2.34.1