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annotate fetch_weather.pl @ 338:afb8c0e2d513

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fetch_weather: Implement support for new Tiehallinto data API.
author Matti Hamalainen <ccr@tnsp.org>
date Sun, 04 Oct 2015 14:21:22 +0300
parents bff53f5bba5b
children 6ea410acbe74
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1 #!/usr/bin/perl -w
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2 ##########################################################################
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3 #
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4 # Fetch Weather v0.4 by Matti 'ccr' Hamalainen <ccr@tnsp.org>
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5 # (C) Copyright 2014-2015 Tecnic Software productions (TNSP)
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6 # This script is freely distributable under GNU GPL (version 2) license.
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7 #
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8 # Should be ran as a cronjob, and configured properly.
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9 # */10 * * * * perl -w /absolute/path/to/fetch_weather.pl /path/to/configfile
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10 #
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11 # Configuration file example is in fetch_weather.config
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12 #
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13 # Requires various Perl modules, in Debian the packages should be:
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14 # libwww-perl libxml-simple-perl libtimedate-perl
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15 #
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16 #
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17 ##########################################################################
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18 use strict;
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19 use utf8;
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20 use LWP::UserAgent;
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21 use HTML::Entities;
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22 use XML::Simple;
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23 use Date::Format;
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24 use Date::Parse;
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25 use Data::Dumper;
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26 use File::Slurp;
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27 use Text::CSV;
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28
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29 ###
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30 ### Configuration settings
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31 ###
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32 my %settings = (
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33 "debug" => 0,
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34 "opt_fmi" => 0,
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35 "opt_tiehallinto" => 0,
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36 "fmi_api_key" => "",
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37 "outfile" => "",
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38 "tiehallinto_static_meta" => "tiehallinto.meta",
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39 "http_user_agent" => "Mozilla/4.0 (compatible; MSIE 6.0; MSIE 5.5; Windows NT 6.0) Opera 10.63 [en]",
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40 );
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42
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43 ###
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44 ### Helper functions
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45 ###
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46 sub mlog($)
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47 {
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48 print STDERR $_[0];
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49 }
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50
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51
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52 sub fetch_http($)
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53 {
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54 my $agent = LWP::UserAgent->new;
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55 $agent->agent($settings{"http_user_agent"});
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56 $agent->timeout(20);
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57
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58 my $req = HTTP::Request->new(GET => $_[0]);
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59
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60 return $agent->request($req);
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61 }
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63
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64 sub parse_timestamp($$)
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65 {
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66 my ($str, $offs) = @_;
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67 if ($str =~ /^(\d+):(\d+)$/)
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68 {
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69 return $offs + (60 * 60 * $1) + ($2 * 60);
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70 }
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71 else
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72 {
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73 return $offs;
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74 }
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75 }
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77
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78 sub format_time_gmt($)
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79 {
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80 # 2012-02-27T00:00:00Z
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81 return time2str("%Y-%m-%dT%TZ", $_[0], "UTC");
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82 }
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83
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84
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85 sub str_trim($)
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86 {
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87 my $str = $_[0];
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88 if (defined($str))
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89 {
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90 $str =~ s/^\s*//;
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91 $str =~ s/\s*$//;
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92 }
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93 return $str;
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94 }
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96
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97 ###
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98 ### Helper functions
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99 ###
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100
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101 my %th_rain_states =
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102 (
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103 "Pouta" => "poutaa",
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104 "Heikko" => "heikkoa sadetta",
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105 "Kohtalainen" => "kohtalaista sadetta",
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106 "Voimakas" => "voimakasta sadetta",
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107 );
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108
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109 my $th_rain_states_k = join("|", map {quotemeta} sort { length($b)<=>length($a) } keys %th_rain_states);
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110
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111 sub translate_rain($)
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112 {
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113 my $tmp = $_[0];
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114 $tmp =~ s/($th_rain_states_k)/$th_rain_states{$1}/igo;
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115 return $tmp;
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116 }
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117
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118
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119 my %th_cloud_states =
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120 (
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121 0 => "selkeää",
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122 1 => "melkein selkeää",
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123 2 => "verrattain selkeää",
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124 3 => "verrattain selkeää",
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125 4 => "puolipilvistä",
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126 5 => "verrattain pilvistä",
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127 6 => "verrattain pilvistä",
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128 7 => "melkein pilvistä",
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129 8 => "pilvistä",
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130 );
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131
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132 sub translate_clouds($)
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133 {
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134 return "" if ($_[0] eq "NaN" || $_[0] eq "");
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135 my $tmp = int($_[0]);
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136 foreach my $n (sort { $a <=> $b } keys %th_cloud_states)
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137 {
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138 return $th_cloud_states{$n}." (".$n."/8)" if ($tmp == $n);
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139 }
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140 return $tmp;
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141 }
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144 sub plonk_data($)
fe420576f284 The kludges intensify.
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diff changeset
145 {
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diff changeset
146 return defined($_[0]) ? $_[0] : "";
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diff changeset
147 }
fe420576f284 The kludges intensify.
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diff changeset
148
fe420576f284 The kludges intensify.
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diff changeset
149
237
56af82fb7a6d Use lower case.
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diff changeset
150 sub plonk_data_lc($)
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diff changeset
151 {
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diff changeset
152 return defined($_[0]) ? lc($_[0]) : "";
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diff changeset
153 }
56af82fb7a6d Use lower case.
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parents: 236
diff changeset
154
56af82fb7a6d Use lower case.
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parents: 236
diff changeset
155
158
db2b1f74d994 Initial import of weather data fetching backend, written in Perl.
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parents:
diff changeset
156 ###
178
9b8ec700ede4 Clean up the weather data parser backend a bit.
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diff changeset
157 ### Configuration handling
164
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diff changeset
158 ###
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diff changeset
159 sub opt_chk_bool($)
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diff changeset
160 {
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diff changeset
161 if (defined($settings{$_[0]}))
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parents: 162
diff changeset
162 {
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diff changeset
163 my $val = $settings{$_[0]};
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164 return ($val == 1 || $val eq "true" || $val eq "on" || $val eq "1");
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165 }
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parents: 162
diff changeset
166 else
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diff changeset
167 {
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diff changeset
168 return 0;
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diff changeset
169 }
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parents: 162
diff changeset
170 }
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171
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172
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173 sub opt_chk_valid($$)
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diff changeset
174 {
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diff changeset
175 if (defined($settings{$_[0]}))
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parents: 162
diff changeset
176 {
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diff changeset
177 my $val = $settings{$_[0]};
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178 return length($val) >= $_[1];
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diff changeset
179 }
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diff changeset
180 else
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parents: 162
diff changeset
181 {
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182 return 0;
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diff changeset
183 }
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parents: 162
diff changeset
184 }
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185
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186
324
19c64798de91 weather: Add some better optional debugging.
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diff changeset
187 sub opt_get_int($)
19c64798de91 weather: Add some better optional debugging.
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diff changeset
188 {
19c64798de91 weather: Add some better optional debugging.
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parents: 247
diff changeset
189 if (defined($settings{$_[0]}))
19c64798de91 weather: Add some better optional debugging.
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parents: 247
diff changeset
190 {
19c64798de91 weather: Add some better optional debugging.
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diff changeset
191 return int($settings{$_[0]});
19c64798de91 weather: Add some better optional debugging.
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diff changeset
192 }
19c64798de91 weather: Add some better optional debugging.
Matti Hamalainen <ccr@tnsp.org>
parents: 247
diff changeset
193 else
19c64798de91 weather: Add some better optional debugging.
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parents: 247
diff changeset
194 {
19c64798de91 weather: Add some better optional debugging.
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diff changeset
195 return -1;
19c64798de91 weather: Add some better optional debugging.
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parents: 247
diff changeset
196 }
19c64798de91 weather: Add some better optional debugging.
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parents: 247
diff changeset
197 }
19c64798de91 weather: Add some better optional debugging.
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diff changeset
198
19c64798de91 weather: Add some better optional debugging.
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diff changeset
199
164
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diff changeset
200 sub opt_get($)
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diff changeset
201 {
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diff changeset
202 if (defined($settings{$_[0]}))
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parents: 162
diff changeset
203 {
d5a0e4248f3e weather: Implement configuration file support for weather fetcher backend.
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diff changeset
204 return $settings{$_[0]};
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diff changeset
205 }
d5a0e4248f3e weather: Implement configuration file support for weather fetcher backend.
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parents: 162
diff changeset
206 else
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parents: 162
diff changeset
207 {
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diff changeset
208 return undef;
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diff changeset
209 }
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parents: 162
diff changeset
210 }
d5a0e4248f3e weather: Implement configuration file support for weather fetcher backend.
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parents: 162
diff changeset
211
d5a0e4248f3e weather: Implement configuration file support for weather fetcher backend.
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diff changeset
212
d5a0e4248f3e weather: Implement configuration file support for weather fetcher backend.
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diff changeset
213 sub opt_read_config($)
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diff changeset
214 {
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diff changeset
215 my $filename = $_[0];
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diff changeset
216 my $errors = 0;
d5a0e4248f3e weather: Implement configuration file support for weather fetcher backend.
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diff changeset
217 my $line = 0;
d5a0e4248f3e weather: Implement configuration file support for weather fetcher backend.
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diff changeset
218
d5a0e4248f3e weather: Implement configuration file support for weather fetcher backend.
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diff changeset
219 open(CONFFILE, "<", $filename) or die("Could not open configuration '".$filename."'!\n");
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diff changeset
220 while (<CONFFILE>)
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parents: 162
diff changeset
221 {
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diff changeset
222 $line++;
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diff changeset
223 chomp;
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diff changeset
224 if (/(^\s*#|^\s*$)/) {
d5a0e4248f3e weather: Implement configuration file support for weather fetcher backend.
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parents: 162
diff changeset
225 # Ignore comments and empty lines
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diff changeset
226 } elsif (/^\s*\"?([a-zA-Z0-9_]+)\"?\s*=>?\s*(\d+),?\s*$/) {
d5a0e4248f3e weather: Implement configuration file support for weather fetcher backend.
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diff changeset
227 my $key = lc($1);
d5a0e4248f3e weather: Implement configuration file support for weather fetcher backend.
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diff changeset
228 my $value = $2;
d5a0e4248f3e weather: Implement configuration file support for weather fetcher backend.
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diff changeset
229 if (defined($settings{$key})) {
d5a0e4248f3e weather: Implement configuration file support for weather fetcher backend.
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diff changeset
230 $settings{$key} = $value;
d5a0e4248f3e weather: Implement configuration file support for weather fetcher backend.
Matti Hamalainen <ccr@tnsp.org>
parents: 162
diff changeset
231 } else {
d5a0e4248f3e weather: Implement configuration file support for weather fetcher backend.
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parents: 162
diff changeset
232 mlog("[$filename:$line] Unknown setting '$key' = $value\n");
d5a0e4248f3e weather: Implement configuration file support for weather fetcher backend.
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parents: 162
diff changeset
233 $errors = 1;
d5a0e4248f3e weather: Implement configuration file support for weather fetcher backend.
Matti Hamalainen <ccr@tnsp.org>
parents: 162
diff changeset
234 }
d5a0e4248f3e weather: Implement configuration file support for weather fetcher backend.
Matti Hamalainen <ccr@tnsp.org>
parents: 162
diff changeset
235 } elsif (/^\s*\"?([a-zA-Z0-9_]+)\"?\s*=>?\s*\"(.*?)\",?\s*$/) {
d5a0e4248f3e weather: Implement configuration file support for weather fetcher backend.
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parents: 162
diff changeset
236 my $key = lc($1);
d5a0e4248f3e weather: Implement configuration file support for weather fetcher backend.
Matti Hamalainen <ccr@tnsp.org>
parents: 162
diff changeset
237 my $value = $2;
d5a0e4248f3e weather: Implement configuration file support for weather fetcher backend.
Matti Hamalainen <ccr@tnsp.org>
parents: 162
diff changeset
238 if (defined($settings{$key})) {
d5a0e4248f3e weather: Implement configuration file support for weather fetcher backend.
Matti Hamalainen <ccr@tnsp.org>
parents: 162
diff changeset
239 $settings{$key} = $value;
d5a0e4248f3e weather: Implement configuration file support for weather fetcher backend.
Matti Hamalainen <ccr@tnsp.org>
parents: 162
diff changeset
240 } else {
d5a0e4248f3e weather: Implement configuration file support for weather fetcher backend.
Matti Hamalainen <ccr@tnsp.org>
parents: 162
diff changeset
241 mlog("[$filename:$line] Unknown setting '$key' = '$value'\n");
d5a0e4248f3e weather: Implement configuration file support for weather fetcher backend.
Matti Hamalainen <ccr@tnsp.org>
parents: 162
diff changeset
242 $errors = 1;
d5a0e4248f3e weather: Implement configuration file support for weather fetcher backend.
Matti Hamalainen <ccr@tnsp.org>
parents: 162
diff changeset
243 }
d5a0e4248f3e weather: Implement configuration file support for weather fetcher backend.
Matti Hamalainen <ccr@tnsp.org>
parents: 162
diff changeset
244 } else {
d5a0e4248f3e weather: Implement configuration file support for weather fetcher backend.
Matti Hamalainen <ccr@tnsp.org>
parents: 162
diff changeset
245 mlog("[$filename:$line] Syntax error: $_\n");
d5a0e4248f3e weather: Implement configuration file support for weather fetcher backend.
Matti Hamalainen <ccr@tnsp.org>
parents: 162
diff changeset
246 $errors = 1;
d5a0e4248f3e weather: Implement configuration file support for weather fetcher backend.
Matti Hamalainen <ccr@tnsp.org>
parents: 162
diff changeset
247 }
d5a0e4248f3e weather: Implement configuration file support for weather fetcher backend.
Matti Hamalainen <ccr@tnsp.org>
parents: 162
diff changeset
248 }
d5a0e4248f3e weather: Implement configuration file support for weather fetcher backend.
Matti Hamalainen <ccr@tnsp.org>
parents: 162
diff changeset
249 close(CONFFILE);
d5a0e4248f3e weather: Implement configuration file support for weather fetcher backend.
Matti Hamalainen <ccr@tnsp.org>
parents: 162
diff changeset
250 return $errors;
d5a0e4248f3e weather: Implement configuration file support for weather fetcher backend.
Matti Hamalainen <ccr@tnsp.org>
parents: 162
diff changeset
251 }
d5a0e4248f3e weather: Implement configuration file support for weather fetcher backend.
Matti Hamalainen <ccr@tnsp.org>
parents: 162
diff changeset
252
d5a0e4248f3e weather: Implement configuration file support for weather fetcher backend.
Matti Hamalainen <ccr@tnsp.org>
parents: 162
diff changeset
253
d5a0e4248f3e weather: Implement configuration file support for weather fetcher backend.
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parents: 162
diff changeset
254 ###
158
db2b1f74d994 Initial import of weather data fetching backend, written in Perl.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
255 ### Main program begins
db2b1f74d994 Initial import of weather data fetching backend, written in Perl.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
256 ###
db2b1f74d994 Initial import of weather data fetching backend, written in Perl.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
257 my $weatherdata = {};
db2b1f74d994 Initial import of weather data fetching backend, written in Perl.
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parents:
diff changeset
258
164
d5a0e4248f3e weather: Implement configuration file support for weather fetcher backend.
Matti Hamalainen <ccr@tnsp.org>
parents: 162
diff changeset
259 die(
332
bff53f5bba5b fetch_weather: Bump version.
Matti Hamalainen <ccr@tnsp.org>
parents: 331
diff changeset
260 "Weather Fetch v0.4 by ccr/TNSP <ccr\@tnsp.org>\n".
164
d5a0e4248f3e weather: Implement configuration file support for weather fetcher backend.
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parents: 162
diff changeset
261 "Usage: $0 <config file>\n"
d5a0e4248f3e weather: Implement configuration file support for weather fetcher backend.
Matti Hamalainen <ccr@tnsp.org>
parents: 162
diff changeset
262 ) unless scalar(@ARGV) >= 1;
d5a0e4248f3e weather: Implement configuration file support for weather fetcher backend.
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parents: 162
diff changeset
263
178
9b8ec700ede4 Clean up the weather data parser backend a bit.
Matti Hamalainen <ccr@tnsp.org>
parents: 170
diff changeset
264 my $cfgfile = shift;
9b8ec700ede4 Clean up the weather data parser backend a bit.
Matti Hamalainen <ccr@tnsp.org>
parents: 170
diff changeset
265 opt_read_config($cfgfile) == 0 or die("Errors while parsing configuration file '".$cfgfile."'.\n");
164
d5a0e4248f3e weather: Implement configuration file support for weather fetcher backend.
Matti Hamalainen <ccr@tnsp.org>
parents: 162
diff changeset
266
d5a0e4248f3e weather: Implement configuration file support for weather fetcher backend.
Matti Hamalainen <ccr@tnsp.org>
parents: 162
diff changeset
267
178
9b8ec700ede4 Clean up the weather data parser backend a bit.
Matti Hamalainen <ccr@tnsp.org>
parents: 170
diff changeset
268 ###
338
afb8c0e2d513 fetch_weather: Implement support for new Tiehallinto data API.
Matti Hamalainen <ccr@tnsp.org>
parents: 332
diff changeset
269 ### Fetch Tiehallinto data
afb8c0e2d513 fetch_weather: Implement support for new Tiehallinto data API.
Matti Hamalainen <ccr@tnsp.org>
parents: 332
diff changeset
270 ###
afb8c0e2d513 fetch_weather: Implement support for new Tiehallinto data API.
Matti Hamalainen <ccr@tnsp.org>
parents: 332
diff changeset
271 if (opt_chk_bool("opt_tiehallinto"))
afb8c0e2d513 fetch_weather: Implement support for new Tiehallinto data API.
Matti Hamalainen <ccr@tnsp.org>
parents: 332
diff changeset
272 {
afb8c0e2d513 fetch_weather: Implement support for new Tiehallinto data API.
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parents: 332
diff changeset
273 my $uri = "http://tie.digitraffic.fi/sujuvuus/ws/roadWeather";
afb8c0e2d513 fetch_weather: Implement support for new Tiehallinto data API.
Matti Hamalainen <ccr@tnsp.org>
parents: 332
diff changeset
274 my $res = fetch_http($uri);
afb8c0e2d513 fetch_weather: Implement support for new Tiehallinto data API.
Matti Hamalainen <ccr@tnsp.org>
parents: 332
diff changeset
275 if ($res->code >= 200 && $res->code <= 201)
afb8c0e2d513 fetch_weather: Implement support for new Tiehallinto data API.
Matti Hamalainen <ccr@tnsp.org>
parents: 332
diff changeset
276 {
afb8c0e2d513 fetch_weather: Implement support for new Tiehallinto data API.
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parents: 332
diff changeset
277 my $xml = XMLin($res->decoded_content);
afb8c0e2d513 fetch_weather: Implement support for new Tiehallinto data API.
Matti Hamalainen <ccr@tnsp.org>
parents: 332
diff changeset
278
afb8c0e2d513 fetch_weather: Implement support for new Tiehallinto data API.
Matti Hamalainen <ccr@tnsp.org>
parents: 332
diff changeset
279 if (!defined($xml->{"soap:Body"}) || !defined($xml->{"soap:Body"}{"RoadWeatherResponse"}))
afb8c0e2d513 fetch_weather: Implement support for new Tiehallinto data API.
Matti Hamalainen <ccr@tnsp.org>
parents: 332
diff changeset
280 {
afb8c0e2d513 fetch_weather: Implement support for new Tiehallinto data API.
Matti Hamalainen <ccr@tnsp.org>
parents: 332
diff changeset
281 print STDERR "ERROR: SOAP call result did not contain required data.\n";
afb8c0e2d513 fetch_weather: Implement support for new Tiehallinto data API.
Matti Hamalainen <ccr@tnsp.org>
parents: 332
diff changeset
282 print STDERR $res->decoded_content."\n\n";
afb8c0e2d513 fetch_weather: Implement support for new Tiehallinto data API.
Matti Hamalainen <ccr@tnsp.org>
parents: 332
diff changeset
283 }
afb8c0e2d513 fetch_weather: Implement support for new Tiehallinto data API.
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parents: 332
diff changeset
284 else
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285 {
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286 my $data = $xml->{"soap:Body"}{"RoadWeatherResponse"};
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287
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288 # Check if we need to update the static meta data
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289 my $meta_file = opt_get("tiehallinto_static_meta");
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diff changeset
290 my $fetch_meta = (-e $meta_file) ? 0 : 1;
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291
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diff changeset
292 if (defined($data->{"laststaticdataupdate"}))
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293 {
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diff changeset
294 # Compare metadata cache file modification timestamp to info in XML
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295 my $tmp1 = str2time($data->{"laststaticdataupdate"});
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296 my $tmp2 = (-e $meta_file) ? (stat($meta_file))[9] : -1;
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297 $fetch_meta = 1 unless ($tmp1 < $tmp2);
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298 }
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299
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300 # Fetch or read the cache
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301 my $meta_str;
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diff changeset
302 if ($fetch_meta)
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diff changeset
303 {
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304 print STDERR "Fetching Tiehallinto static meta data.\n" if (opt_get_int("debug") > 0);
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305 my $uri = "https://raw.githubusercontent.com/finnishtransportagency/metadata/master/csv/meta_traffic_stations.csv";
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306 my $res = fetch_http($uri);
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307 die("Failed to fetch $uri data.\n") unless ($res->code <= 200 && $res->code <= 201);
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308
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309 print STDERR "Storing to cache '$meta_file'.\n" if (opt_get_int("debug") > 0);
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310 $meta_str = $res->decoded_content;
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311 write_file($meta_file, {binmode => ':utf8'}, $meta_str);
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312 }
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diff changeset
313 else
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314 {
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315 print STDERR "Using CACHED Tiehallinto static meta data from '$meta_file'.\n" if (opt_get_int("debug") > 0);
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diff changeset
316 $meta_str = read_file($meta_file, binmode => ':utf8');
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317 }
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diff changeset
318
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319 # Parse the data ..
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320 my $meta_data = {};
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321 my $csv = Text::CSV->new({blank_is_undef => 1, decode_utf8 => 1});
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322 foreach my $line (split(/\s*\n\s*/, $meta_str))
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323 {
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324 if ($csv->parse($line))
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diff changeset
325 {
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diff changeset
326 my @fields = $csv->fields();
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diff changeset
327 $$meta_data{$fields[1]} = \@fields;
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diff changeset
328 }
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parents: 332
diff changeset
329 }
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parents: 332
diff changeset
330
afb8c0e2d513 fetch_weather: Implement support for new Tiehallinto data API.
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diff changeset
331 # Parse XML and combine with the station meta data
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diff changeset
332 if (defined($data->{"roadweatherdata"}))
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diff changeset
333 {
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diff changeset
334 foreach my $wdata (@{$data->{"roadweatherdata"}{"roadweather"}})
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diff changeset
335 {
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diff changeset
336 my $wid = $wdata->{"stationid"};
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diff changeset
337 if (defined($meta_data->{$wid}))
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diff changeset
338 {
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diff changeset
339 $weatherdata->{$meta_data->{$wid}[3]} =
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diff changeset
340 [
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diff changeset
341 0,
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diff changeset
342 str2time(plonk_data($wdata->{"measurementtime"}{"utc"})),
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diff changeset
343 plonk_data($wdata->{"airtemperature1"}),
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diff changeset
344
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diff changeset
345 plonk_data($wdata->{"humidity"}),
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diff changeset
346 plonk_data($wdata->{"averagewindspeed"}),
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diff changeset
347 ];
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diff changeset
348 }
afb8c0e2d513 fetch_weather: Implement support for new Tiehallinto data API.
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diff changeset
349 }
afb8c0e2d513 fetch_weather: Implement support for new Tiehallinto data API.
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diff changeset
350 }
afb8c0e2d513 fetch_weather: Implement support for new Tiehallinto data API.
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diff changeset
351 else
afb8c0e2d513 fetch_weather: Implement support for new Tiehallinto data API.
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parents: 332
diff changeset
352 {
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diff changeset
353 print STDERR "ERROR: Invalid (or unsupported) road weather data blob.\n";
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diff changeset
354 print STDERR $res->decoded_content."\n\n";
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diff changeset
355 }
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parents: 332
diff changeset
356 }
afb8c0e2d513 fetch_weather: Implement support for new Tiehallinto data API.
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parents: 332
diff changeset
357 }
afb8c0e2d513 fetch_weather: Implement support for new Tiehallinto data API.
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parents: 332
diff changeset
358 }
afb8c0e2d513 fetch_weather: Implement support for new Tiehallinto data API.
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parents: 332
diff changeset
359
afb8c0e2d513 fetch_weather: Implement support for new Tiehallinto data API.
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parents: 332
diff changeset
360
afb8c0e2d513 fetch_weather: Implement support for new Tiehallinto data API.
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parents: 332
diff changeset
361 ###
158
db2b1f74d994 Initial import of weather data fetching backend, written in Perl.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
362 ### Fetch FMI data
178
9b8ec700ede4 Clean up the weather data parser backend a bit.
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parents: 170
diff changeset
363 ###
164
d5a0e4248f3e weather: Implement configuration file support for weather fetcher backend.
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diff changeset
364 if (opt_chk_bool("opt_fmi"))
d5a0e4248f3e weather: Implement configuration file support for weather fetcher backend.
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parents: 162
diff changeset
365 {
d5a0e4248f3e weather: Implement configuration file support for weather fetcher backend.
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diff changeset
366 die("FMI data scrape enabled, but no API key set.\n") unless opt_chk_valid("fmi_api_key", 10);
238
a1d6e2d8789e Add new data from FMI service and change datafile format.
Matti Hamalainen <ccr@tnsp.org>
parents: 237
diff changeset
367 my @fmitems = ("temperature", "humidity", "windspeedms", "totalcloudcover");
158
db2b1f74d994 Initial import of weather data fetching backend, written in Perl.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
368
189
3af8ea19a3e2 Improved weather fetching.
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diff changeset
369 my $uri = "http://data.fmi.fi/fmi-apikey/".opt_get("fmi_api_key").
3af8ea19a3e2 Improved weather fetching.
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diff changeset
370 "/wfs?request=getFeature&storedquery_id=fmi::observations::weather::".
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parents: 186
diff changeset
371 "multipointcoverage".
3af8ea19a3e2 Improved weather fetching.
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parents: 186
diff changeset
372 # "timevaluepair".
194
55ed3db51ee7 Rename a function.
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parents: 193
diff changeset
373 "&starttime=".format_time_gmt(time() - 10*60)."&endtime=".format_time_gmt(time()).
238
a1d6e2d8789e Add new data from FMI service and change datafile format.
Matti Hamalainen <ccr@tnsp.org>
parents: 237
diff changeset
374 "&parameters=".join(",", @fmitems)."&maxlocations=100&bbox=19,59,32,75";
164
d5a0e4248f3e weather: Implement configuration file support for weather fetcher backend.
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parents: 162
diff changeset
375
324
19c64798de91 weather: Add some better optional debugging.
Matti Hamalainen <ccr@tnsp.org>
parents: 247
diff changeset
376 print STDERR "FMI URI: ".$uri."\n" if (opt_get_int("debug") > 0);
189
3af8ea19a3e2 Improved weather fetching.
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parents: 186
diff changeset
377
3af8ea19a3e2 Improved weather fetching.
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parents: 186
diff changeset
378 my $res = fetch_http($uri);
164
d5a0e4248f3e weather: Implement configuration file support for weather fetcher backend.
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parents: 162
diff changeset
379 if ($res->code >= 200 && $res->code <= 201)
d5a0e4248f3e weather: Implement configuration file support for weather fetcher backend.
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parents: 162
diff changeset
380 {
170
e4faa3746869 Remove useless parameters from XMLin().
Matti Hamalainen <ccr@tnsp.org>
parents: 169
diff changeset
381 my $xml = XMLin($res->decoded_content);
169
c12e422a543a FMI data parsing kinda almost works. It is horrible, though. XML ... :Q
Matti Hamalainen <ccr@tnsp.org>
parents: 168
diff changeset
382 my $time_base = time();
189
3af8ea19a3e2 Improved weather fetching.
Matti Hamalainen <ccr@tnsp.org>
parents: 186
diff changeset
383
208
c6bbf69afc57 Add some error handling and debugging.
Matti Hamalainen <ccr@tnsp.org>
parents: 206
diff changeset
384 if (defined($xml->{"wfs:member"}{"omso:GridSeriesObservation"}))
c6bbf69afc57 Add some error handling and debugging.
Matti Hamalainen <ccr@tnsp.org>
parents: 206
diff changeset
385 {
c6bbf69afc57 Add some error handling and debugging.
Matti Hamalainen <ccr@tnsp.org>
parents: 206
diff changeset
386 my $fdata = $xml->{"wfs:member"}{"omso:GridSeriesObservation"};
c6bbf69afc57 Add some error handling and debugging.
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parents: 206
diff changeset
387 my $fshit = $fdata->{"om:result"}{"gmlcov:MultiPointCoverage"};
c6bbf69afc57 Add some error handling and debugging.
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parents: 206
diff changeset
388 my @farray = ();
169
c12e422a543a FMI data parsing kinda almost works. It is horrible, though. XML ... :Q
Matti Hamalainen <ccr@tnsp.org>
parents: 168
diff changeset
389
208
c6bbf69afc57 Add some error handling and debugging.
Matti Hamalainen <ccr@tnsp.org>
parents: 206
diff changeset
390 foreach my $fline (split(/\n/, $fshit->{"gml:domainSet"}{"gmlcov:SimpleMultiPoint"}{"gmlcov:positions"}))
169
c12e422a543a FMI data parsing kinda almost works. It is horrible, though. XML ... :Q
Matti Hamalainen <ccr@tnsp.org>
parents: 168
diff changeset
391 {
208
c6bbf69afc57 Add some error handling and debugging.
Matti Hamalainen <ccr@tnsp.org>
parents: 206
diff changeset
392 if ($fline =~ /^\s*([\+\-]?\d+\.\d*)\s+([\+\-]?\d+\.\d*)\s+(\d+)\s*$/)
c6bbf69afc57 Add some error handling and debugging.
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parents: 206
diff changeset
393 {
c6bbf69afc57 Add some error handling and debugging.
Matti Hamalainen <ccr@tnsp.org>
parents: 206
diff changeset
394 push(@farray, {"lat" => $1, "long" => $2, "time" => $3});
c6bbf69afc57 Add some error handling and debugging.
Matti Hamalainen <ccr@tnsp.org>
parents: 206
diff changeset
395 }
169
c12e422a543a FMI data parsing kinda almost works. It is horrible, though. XML ... :Q
Matti Hamalainen <ccr@tnsp.org>
parents: 168
diff changeset
396 }
c12e422a543a FMI data parsing kinda almost works. It is horrible, though. XML ... :Q
Matti Hamalainen <ccr@tnsp.org>
parents: 168
diff changeset
397
208
c6bbf69afc57 Add some error handling and debugging.
Matti Hamalainen <ccr@tnsp.org>
parents: 206
diff changeset
398 my $findex = 0;
c6bbf69afc57 Add some error handling and debugging.
Matti Hamalainen <ccr@tnsp.org>
parents: 206
diff changeset
399 foreach my $fline (split(/\n/, $fshit->{"gml:rangeSet"}{"gml:DataBlock"}{"gml:doubleOrNilReasonTupleList"}))
169
c12e422a543a FMI data parsing kinda almost works. It is horrible, though. XML ... :Q
Matti Hamalainen <ccr@tnsp.org>
parents: 168
diff changeset
400 {
238
a1d6e2d8789e Add new data from FMI service and change datafile format.
Matti Hamalainen <ccr@tnsp.org>
parents: 237
diff changeset
401 my @fmatches = ($fline =~ /\s*([\+\-]?\d+\.\d*|NaN)\s*/ig);
a1d6e2d8789e Add new data from FMI service and change datafile format.
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parents: 237
diff changeset
402 if (scalar(@fmatches) > 0)
208
c6bbf69afc57 Add some error handling and debugging.
Matti Hamalainen <ccr@tnsp.org>
parents: 206
diff changeset
403 {
238
a1d6e2d8789e Add new data from FMI service and change datafile format.
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parents: 237
diff changeset
404 die("Not enough items in scalar line (".scalar(@fmatches). " vs ".scalar(@fmitems).
a1d6e2d8789e Add new data from FMI service and change datafile format.
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parents: 237
diff changeset
405 "): ".$fline."\n") if (scalar(@fmatches) != scalar(@fmitems));
a1d6e2d8789e Add new data from FMI service and change datafile format.
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parents: 237
diff changeset
406 for (my $fni = 0; $fni < scalar(@fmitems); $fni++)
a1d6e2d8789e Add new data from FMI service and change datafile format.
Matti Hamalainen <ccr@tnsp.org>
parents: 237
diff changeset
407 {
a1d6e2d8789e Add new data from FMI service and change datafile format.
Matti Hamalainen <ccr@tnsp.org>
parents: 237
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408 $farray[$findex]{$fmitems[$fni]} = $fmatches[$fni] if (lc($fmatches[$fni]) ne "nan");
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409 }
208
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410 $findex++;
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411 }
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412 }
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413 # XXX Hashify the array into lat/long keys
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414
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415 # This is horrible :S
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416 my $fcrap = $fdata->{"om:featureOfInterest"}{"sams:SF_SpatialSamplingFeature"}{"sams:shape"}{"gml:MultiPoint"}{"gml:pointMember"};
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417 foreach my $xnode (@{$fcrap})
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418 {
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419 my $floc = $xnode->{"gml:Point"};
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420 if ($floc->{"gml:pos"} =~ /^\s*([\+\-]?\d+\.\d*)\s+([\+\-]?\d+\.\d*)\s*$/)
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421 {
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422 my ($flat, $flong) = ($1, $2);
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423 # Should use a hash -
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424 foreach my $flol (@farray)
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425 {
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426 if ($flol->{"lat"} == $flat && $flol->{"long"} == $flong)
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427 {
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428 $weatherdata->{$floc->{"gml:name"}} =
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429 [
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430 1,
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431 plonk_data($flol->{"time"}),
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432 plonk_data($flol->{"temperature"}),
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433
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434 plonk_data($flol->{"humidity"}),
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435 plonk_data($flol->{"windspeedms"}),
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7dea85b9a431 Translate cloudiness data.
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436 translate_clouds(plonk_data($flol->{"totalcloudcover"})),
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437 ];
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438 }
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439 }
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440 }
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441 }
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442 } else {
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443 # defined
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444 print STDERR "Invalid XML received:\n";
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445 print STDERR $res->decoded_content."\n\n";
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446 }
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447 } else {
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448 print STDERR "Error fetching FMI XML: ".$res->status_line."\n";
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449 }
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450 }
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451
164
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452
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453 ###
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454 ### Output
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455 ###
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456 if (opt_chk_valid("outfile", 1)) {
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457 open(STDOUT, '>', opt_get("outfile")) or die("Could not open output file '".opt_get("outfile")."'.\n");
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458 }
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459
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460 binmode STDOUT, ':encoding(utf-8)';
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461
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462 foreach my $key (sort { $a cmp $b } keys %$weatherdata)
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463 {
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464 print STDOUT $key."|".join("|", @{$weatherdata->{$key}})."\n";
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465 }
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466
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467 close(STDOUT);