Mercurial > hg > egg-tcls
annotate fetch_weather.pl @ 491:f5c023538e2a
fetch_weather, weather: Remove certain "data translation" from fetch_weather and move that into weather.tcl.
Also rename some tokens.
author | Matti Hamalainen <ccr@tnsp.org> |
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date | Thu, 23 Jan 2020 05:01:37 +0200 |
parents | 120eb7eb7398 |
children | ec5f0ed99a28 |
rev | line source |
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381 | 1 #!/usr/bin/perl -w |
182 | 2 ########################################################################## |
3 # | |
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4 # Fetch Weather v1.1 by Matti 'ccr' Hamalainen <ccr@tnsp.org> |
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5 # (C) Copyright 2014-2020 Tecnic Software productions (TNSP) |
206 | 6 # This script is freely distributable under GNU GPL (version 2) license. |
182 | 7 # |
8 # Should be ran as a cronjob, and configured properly. | |
206 | 9 # */10 * * * * perl -w /absolute/path/to/fetch_weather.pl /path/to/configfile |
182 | 10 # |
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11 # Configuration file example is in "config.fetch_weather.example" |
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12 # For debugging/testing, try ./fetch_weather.pl to see commandline options. |
182 | 13 # |
206 | 14 # Requires various Perl modules, in Debian the packages should be: |
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15 # libwww-perl libxml-simple-perl libtimedate-perl libjson-perl |
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16 # libfile-slurper-perl |
182 | 17 # |
18 ########################################################################## | |
417 | 19 use 5.18.0; |
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20 use strict; |
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21 use warnings; |
243 | 22 use utf8; |
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23 use Encode; |
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24 use LWP::UserAgent; |
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25 use HTTP::Message; |
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26 use HTML::Entities; |
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27 use Compress::Zlib; |
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28 use XML::Simple; |
189 | 29 use Date::Format; |
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30 use Date::Parse; |
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31 use Data::Dumper; |
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32 use File::Slurper qw(read_text write_binary); |
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33 use JSON; |
166 | 34 |
400 | 35 |
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36 ### |
182 | 37 ### Configuration settings |
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38 ### |
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39 my %settings = ( |
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40 "force_update" => 0, |
166 | 41 "debug" => 0, |
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42 "opt_fmi" => 0, |
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43 "opt_tiehallinto" => 0, |
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44 "purge_threshold" => 60, |
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45 "outfile" => "", |
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46 "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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47 "tiehallinto_meta" => "tiehallinto.meta", |
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48 "tiehallinto_meta_period" => 7, |
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49 "tiehallinto_rw_url" => "http://tie.digitraffic.fi/api/v1/data/weather-data", |
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50 "tiehallinto_meta_url" => "http://tie.digitraffic.fi/api/v1/metadata/weather-stations", |
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51 ); |
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52 |
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53 |
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54 ### |
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55 ### Helper functions |
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56 ### |
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57 sub mlog($) |
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58 { |
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59 print STDERR $_[0]; |
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60 } |
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61 |
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62 |
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63 sub fetch_http($) |
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64 { |
198 | 65 my $agent = LWP::UserAgent->new; |
461 | 66 $agent->agent(opt_get("http_user_agent")); |
208
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67 $agent->timeout(20); |
178
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68 |
198 | 69 my $req = HTTP::Request->new(GET => $_[0]); |
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70 $req->header('Accept-Encoding' => scalar HTTP::Message::decodable()); |
339 | 71 |
411
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72 print STDERR "# FETCHING URL: ".$_[0]."\n" if (opt_get_int("debug") > 0); |
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73 |
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74 my $res = $agent->request($req); |
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75 |
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76 if (opt_get_int("debug") > 0) |
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77 { |
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78 print STDERR "# Response: ".$res->code.": ".$res->message."\n"; |
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79 if ($res->code >= 200 && $res->code <= 201) |
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80 { |
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81 print STDERR |
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82 "# Content-charset: ".$res->content_charset."\n". |
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83 "# Content-encoding: ".$res->content_encoding."\n". |
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84 "# Is decoded_content UTF8? ".(utf8::is_utf8($res->decoded_content) ? "yes" : "NO!")."\n"; |
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85 } |
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86 } |
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87 |
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88 return $res; |
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89 } |
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90 |
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91 |
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92 sub str_trim($) |
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93 { |
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94 my $tmp = $_[0]; |
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95 $tmp =~ s/^\s*//; |
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96 $tmp =~ s/\s*$//; |
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97 return $tmp; |
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98 } |
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99 |
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100 |
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101 sub parse_timestamp($$) |
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102 { |
196
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103 my ($str, $offs) = @_; |
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104 if ($str =~ /^(\d+):(\d+)$/) |
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105 { |
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106 return $offs + (60 * 60 * $1) + ($2 * 60); |
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107 } |
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108 else |
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109 { |
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110 return $offs; |
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111 } |
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112 } |
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113 |
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114 |
194 | 115 sub format_time_gmt($) |
189 | 116 { |
117 # 2012-02-27T00:00:00Z | |
199
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118 return time2str("%Y-%m-%dT%TZ", $_[0], "UTC"); |
189 | 119 } |
120 | |
193 | 121 |
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122 sub force_decode_utf8($) |
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123 { |
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124 if (!utf8::is_utf8($_[0])) |
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125 { |
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126 return decode("utf8", $_[0]); |
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127 } |
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128 else |
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129 { |
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130 return $_[0]; |
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131 } |
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132 } |
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133 |
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134 |
410 | 135 ### Return either data or if not defined, empty string |
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136 sub plonk_data |
228 | 137 { |
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138 return defined($_[0]) ? $_[0] : (defined($_[1]) ? $_[1] : ""); |
228 | 139 } |
140 | |
141 | |
410 | 142 ### Same as plonk_data() but also lowercase the data string |
237 | 143 sub plonk_data_lc($) |
144 { | |
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145 return defined($_[0]) ? lc($_[0]) : (defined($_[1]) ? $_[1] : ""); |
237 | 146 } |
147 | |
148 | |
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149 ### |
178
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150 ### Configuration handling |
164
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151 ### |
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152 sub opt_chk_bool($) |
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153 { |
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154 if (defined($settings{$_[0]})) |
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155 { |
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156 my $val = $settings{$_[0]}; |
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157 return ($val == 1 || $val eq "true" || $val eq "on" || $val eq "1"); |
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158 } |
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159 else |
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160 { |
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161 return 0; |
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162 } |
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163 } |
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164 |
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165 |
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166 sub opt_chk_valid($$) |
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167 { |
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168 if (defined($settings{$_[0]})) |
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169 { |
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170 my $val = $settings{$_[0]}; |
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171 return length($val) >= $_[1]; |
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172 } |
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173 else |
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174 { |
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175 return 0; |
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176 } |
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177 } |
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178 |
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179 |
324
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180 sub opt_get_int($) |
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181 { |
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182 if (defined($settings{$_[0]})) |
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183 { |
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184 return int($settings{$_[0]}); |
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185 } |
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186 else |
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187 { |
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188 return -1; |
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189 } |
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190 } |
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191 |
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192 |
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193 sub opt_get($) |
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194 { |
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195 if (defined($settings{$_[0]})) |
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196 { |
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197 return $settings{$_[0]}; |
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198 } |
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199 else |
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200 { |
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201 return undef; |
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202 } |
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203 } |
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204 |
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205 |
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206 sub opt_read_config($) |
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207 { |
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208 my $filename = $_[0]; |
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209 my $errors = 0; |
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210 my $line = 0; |
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211 |
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212 open(CONFFILE, "<", $filename) or die("Could not open configuration '".$filename."'!\n"); |
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213 while (<CONFFILE>) |
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214 { |
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215 $line++; |
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216 chomp; |
353 | 217 if (/(^\s*#|^\s*$)/) |
218 { | |
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219 # Ignore comments and empty lines |
353 | 220 } |
386 | 221 elsif (/^\s*\"?([a-zA-Z0-9_]+)\"?\s*=>?\s*(\d+),?\s*$/) |
222 { | |
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223 my $key = lc($1); |
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224 my $value = $2; |
461 | 225 if (defined($settings{$key})) |
226 { | |
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227 $settings{$key} = $value; |
353 | 228 } |
229 else | |
230 { | |
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231 mlog("[$filename:$line] Unknown setting '$key' = $value\n"); |
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232 $errors = 1; |
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233 } |
353 | 234 } |
386 | 235 elsif (/^\s*\"?([a-zA-Z0-9_]+)\"?\s*=>?\s*\"(.*?)\",?\s*$/) |
236 { | |
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237 my $key = lc($1); |
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238 my $value = $2; |
353 | 239 if (defined($settings{$key})) |
240 { | |
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241 $settings{$key} = $value; |
353 | 242 } |
243 else | |
244 { | |
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245 mlog("[$filename:$line] Unknown setting '$key' = '$value'\n"); |
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246 $errors = 1; |
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247 } |
353 | 248 } |
249 else | |
250 { | |
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251 mlog("[$filename:$line] Syntax error: $_\n"); |
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252 $errors = 1; |
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253 } |
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254 } |
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255 close(CONFFILE); |
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256 return $errors; |
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257 } |
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258 |
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259 |
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260 ### |
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261 ### Main program begins |
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262 ### |
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263 my $weatherdata = {}; |
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264 my $opt_cfgfile; |
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265 |
442
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266 while (scalar(@ARGV) > 0) |
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267 { |
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268 my $arg = shift; |
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269 if ($arg eq "-force") |
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270 { |
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271 $settings{"force_update"} = 1; |
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272 } |
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273 elsif ($arg eq "-debug") |
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274 { |
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275 $settings{"debug"} = 1; |
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276 } |
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277 else |
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278 { |
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279 die("Configuration file already specified!\n") if defined($opt_cfgfile); |
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280 $opt_cfgfile = $arg; |
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281 } |
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282 } |
164
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283 |
442
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284 if (!defined($opt_cfgfile)) |
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285 { |
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286 die( |
450
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287 "Weather Fetch v1.0 by ccr/TNSP <ccr\@tnsp.org>\n". |
442
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288 "Usage: $0 <config file> [options]\n". |
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289 "\n". |
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290 " -force : Force updating of all data\n". |
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291 " -debug : Enable debug\n". |
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292 "\n" |
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293 ); |
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294 } |
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295 |
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296 opt_read_config($opt_cfgfile) == 0 or die("Errors while parsing configuration file '".$opt_cfgfile."'.\n"); |
461 | 297 print STDERR "Forcing update of all data.\n" if opt_chk_bool("force_update"); |
164
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298 |
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299 |
178
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300 ### |
354
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301 ### Load already cached data |
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302 ### |
462
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303 if (opt_chk_valid("outfile", 1) && !opt_chk_bool("force_update")) |
354
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304 { |
438
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305 my $filename = opt_get("outfile"); |
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306 if (-e "$filename") |
354
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307 { |
463
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308 my $str = force_decode_utf8(read_text($filename)); |
438
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309 if (defined($str)) |
354
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310 { |
438
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311 foreach my $line (split(/\s*\n\s*/, $str)) |
354
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312 { |
438
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313 my @mtmp = split(/\|/, $line, -1); |
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314 if (scalar(\@mtmp) >= 3) |
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315 { |
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316 $weatherdata->{shift @mtmp} = \@mtmp; |
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317 } |
354
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318 } |
438
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319 print STDERR scalar(keys %$weatherdata)." old records reloaded.\n" if (opt_get_int("debug") > 0); |
354
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320 } |
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321 } |
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322 } |
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323 |
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324 |
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325 ### |
338
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326 ### Fetch Tiehallinto data |
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327 ### |
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328 if (opt_chk_bool("opt_tiehallinto")) |
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329 { |
443
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330 my $uri = opt_get("tiehallinto_rw_url"); |
406
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331 print STDERR "Fetching Tiehallinto road weather data from ".$uri."\n" if (opt_get_int("debug") > 0); |
338
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332 my $res = fetch_http($uri); |
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333 if ($res->code >= 200 && $res->code <= 201) |
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334 { |
463
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335 my $json_str = force_decode_utf8($res->decoded_content); |
448
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336 my $data = JSON->new->decode($json_str); |
338
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337 |
487
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338 #print $json_str."\n"; die("\n"); |
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339 |
448
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340 if (!defined($data->{"dataUpdatedTime"}) || !defined($data->{"weatherStations"})) |
338
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341 { |
448
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342 print STDERR "ERROR: REST/JSON call result did not contain required data.\n"; |
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343 print STDERR $json_str."\n\n"; |
338
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344 } |
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345 else |
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346 { |
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347 # Check if we need to update the static meta data |
446
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fetch_weather: Rename the Tiehallinto static metadata cache filename setting.
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diff
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348 my $meta_file = opt_get("tiehallinto_meta"); |
447
11124f9bf994
fetch_weather: Instead of checking the latest static metadata update timestamp against the weather data XML, have a setting of days until the metadata is considered stale.
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349 my $meta_stamp = (-e $meta_file) ? (stat($meta_file))[9] : -1; |
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350 my $fetch_meta = ($meta_stamp + 60*60*24 * opt_get_int("tiehallinto_meta_period")) < time(); |
338
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351 |
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352 # Fetch or read the cache |
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353 my $meta_str; |
444 | 354 if ($fetch_meta || opt_chk_bool("force_update")) |
338
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355 { |
443
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|
356 my $uri = opt_get("tiehallinto_meta_url"); |
445 | 357 print STDERR "Fetching Tiehallinto static meta data from ".$uri."\n" if (opt_get_int("debug") > 1); |
338
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358 my $res = fetch_http($uri); |
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359 die("Failed to fetch $uri data.\n") unless ($res->code <= 200 && $res->code <= 201); |
339 | 360 |
463
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361 $meta_str = force_decode_utf8($res->decoded_content); |
412
e0d86ccef873
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362 $fetch_meta = 1; |
338
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363 } |
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|
364 else |
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|
365 { |
445 | 366 print STDERR "Using CACHED Tiehallinto static meta data from '".$meta_file."'.\n" if (opt_get_int("debug") > 0); |
463
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367 $meta_str = force_decode_utf8(read_text($meta_file)); |
338
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368 } |
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|
369 |
416
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fetch_weather: Possibly another UTF8 fix :S
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diff
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|
370 print STDERR "Is meta_str UTF8? ".(utf8::is_utf8($meta_str) ? "yes" : "NO!")."\n" if (opt_get_int("debug") > 0); |
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371 |
338
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372 # Parse the data .. |
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373 my $meta_data = {}; |
412
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374 my $json = JSON->new->decode($meta_str); |
398 | 375 |
412
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|
376 if ($fetch_meta) |
338
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377 { |
412
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378 # Save new cache, in more optimal form, if needed. |
445 | 379 print STDERR "Storing to cache '".$meta_file."'.\n" if (opt_get_int("debug") > 0); |
463
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|
380 write_binary($meta_file, JSON->new->utf8->encode($json)); |
412
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|
381 } |
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382 |
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|
383 foreach my $ms (@{$json->{"features"}}) |
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|
384 { |
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|
385 if (defined($ms->{"properties"}) && |
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|
386 defined($ms->{"geometry"}{"coordinates"}) && |
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|
387 defined($ms->{"properties"}{"names"}{"fi"})) |
338
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|
388 { |
412
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|
389 $meta_data->{$ms->{"id"}} = $ms; |
338
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|
390 } |
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diff
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|
391 } |
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diff
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|
392 |
448
ac3b79eca0ca
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diff
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|
393 my $nrecords = 0; |
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|
394 foreach my $wdata (@{$data->{"weatherStations"}}) |
338
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|
395 { |
448
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diff
changeset
|
396 my $wid = $wdata->{"id"}; |
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fetch_weather: Change to use the new REST/JSON API for fetching Tiehallinto digitraffic weather data.
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parents:
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diff
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|
397 if (defined($meta_data->{$wid}) && defined($wdata->{"sensorValues"})) |
338
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parents:
332
diff
changeset
|
398 { |
448
ac3b79eca0ca
fetch_weather: Change to use the new REST/JSON API for fetching Tiehallinto digitraffic weather data.
Matti Hamalainen <ccr@tnsp.org>
parents:
447
diff
changeset
|
399 $wdata->{"sensors"} = {}; |
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fetch_weather: Change to use the new REST/JSON API for fetching Tiehallinto digitraffic weather data.
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parents:
447
diff
changeset
|
400 foreach my $sensor (@{$wdata->{"sensorValues"}}) |
338
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332
diff
changeset
|
401 { |
448
ac3b79eca0ca
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parents:
447
diff
changeset
|
402 $wdata->{"sensors"}->{$sensor->{"oldName"}} = $sensor; |
ac3b79eca0ca
fetch_weather: Change to use the new REST/JSON API for fetching Tiehallinto digitraffic weather data.
Matti Hamalainen <ccr@tnsp.org>
parents:
447
diff
changeset
|
403 } |
414
d623652df6b5
fetch_weather / weather: Add weather measurement station location data (GPS WGS-84 lat/long/height) to weather cache. Not used in weather.tcl yet, tho.
Matti Hamalainen <ccr@tnsp.org>
parents:
413
diff
changeset
|
404 |
448
ac3b79eca0ca
fetch_weather: Change to use the new REST/JSON API for fetching Tiehallinto digitraffic weather data.
Matti Hamalainen <ccr@tnsp.org>
parents:
447
diff
changeset
|
405 $nrecords++; |
ac3b79eca0ca
fetch_weather: Change to use the new REST/JSON API for fetching Tiehallinto digitraffic weather data.
Matti Hamalainen <ccr@tnsp.org>
parents:
447
diff
changeset
|
406 $weatherdata->{$meta_data->{$wid}{"properties"}{"names"}{"fi"}} = |
ac3b79eca0ca
fetch_weather: Change to use the new REST/JSON API for fetching Tiehallinto digitraffic weather data.
Matti Hamalainen <ccr@tnsp.org>
parents:
447
diff
changeset
|
407 [ |
ac3b79eca0ca
fetch_weather: Change to use the new REST/JSON API for fetching Tiehallinto digitraffic weather data.
Matti Hamalainen <ccr@tnsp.org>
parents:
447
diff
changeset
|
408 # Measurement source type |
ac3b79eca0ca
fetch_weather: Change to use the new REST/JSON API for fetching Tiehallinto digitraffic weather data.
Matti Hamalainen <ccr@tnsp.org>
parents:
447
diff
changeset
|
409 1, |
414
d623652df6b5
fetch_weather / weather: Add weather measurement station location data (GPS WGS-84 lat/long/height) to weather cache. Not used in weather.tcl yet, tho.
Matti Hamalainen <ccr@tnsp.org>
parents:
413
diff
changeset
|
410 |
448
ac3b79eca0ca
fetch_weather: Change to use the new REST/JSON API for fetching Tiehallinto digitraffic weather data.
Matti Hamalainen <ccr@tnsp.org>
parents:
447
diff
changeset
|
411 # Basic data |
487
b4be881a9908
fetch_weather, weather: Add primitive support for wind direction data.
Matti Hamalainen <ccr@tnsp.org>
parents:
486
diff
changeset
|
412 plonk_data($meta_data->{$wid}{"geometry"}{"coordinates"}[1], 0), |
b4be881a9908
fetch_weather, weather: Add primitive support for wind direction data.
Matti Hamalainen <ccr@tnsp.org>
parents:
486
diff
changeset
|
413 plonk_data($meta_data->{$wid}{"geometry"}{"coordinates"}[0], 0), |
b4be881a9908
fetch_weather, weather: Add primitive support for wind direction data.
Matti Hamalainen <ccr@tnsp.org>
parents:
486
diff
changeset
|
414 plonk_data($meta_data->{$wid}{"geometry"}{"coordinates"}[2], 0), |
448
ac3b79eca0ca
fetch_weather: Change to use the new REST/JSON API for fetching Tiehallinto digitraffic weather data.
Matti Hamalainen <ccr@tnsp.org>
parents:
447
diff
changeset
|
415 str2time(plonk_data($wdata->{"measuredTime"})), |
ac3b79eca0ca
fetch_weather: Change to use the new REST/JSON API for fetching Tiehallinto digitraffic weather data.
Matti Hamalainen <ccr@tnsp.org>
parents:
447
diff
changeset
|
416 plonk_data($wdata->{"sensors"}->{"airtemperature1"}->{"sensorValue"}), |
ac3b79eca0ca
fetch_weather: Change to use the new REST/JSON API for fetching Tiehallinto digitraffic weather data.
Matti Hamalainen <ccr@tnsp.org>
parents:
447
diff
changeset
|
417 plonk_data($wdata->{"sensors"}->{"humidity"}->{"sensorValue"}), |
ac3b79eca0ca
fetch_weather: Change to use the new REST/JSON API for fetching Tiehallinto digitraffic weather data.
Matti Hamalainen <ccr@tnsp.org>
parents:
447
diff
changeset
|
418 plonk_data($wdata->{"sensors"}->{"averagewindspeed"}->{"sensorValue"}), |
487
b4be881a9908
fetch_weather, weather: Add primitive support for wind direction data.
Matti Hamalainen <ccr@tnsp.org>
parents:
486
diff
changeset
|
419 plonk_data($wdata->{"sensors"}->{"winddirection"}->{"sensorValue"}), |
338
afb8c0e2d513
fetch_weather: Implement support for new Tiehallinto data API.
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parents:
332
diff
changeset
|
420 |
448
ac3b79eca0ca
fetch_weather: Change to use the new REST/JSON API for fetching Tiehallinto digitraffic weather data.
Matti Hamalainen <ccr@tnsp.org>
parents:
447
diff
changeset
|
421 # Station type dependant data |
489
120eb7eb7398
fetch_weather, weather: Fixes/adjustments to the previous changes.
Matti Hamalainen <ccr@tnsp.org>
parents:
488
diff
changeset
|
422 "", # unused for station type 1 |
448
ac3b79eca0ca
fetch_weather: Change to use the new REST/JSON API for fetching Tiehallinto digitraffic weather data.
Matti Hamalainen <ccr@tnsp.org>
parents:
447
diff
changeset
|
423 plonk_data($wdata->{"sensors"}->{"roadsurfacetemperature1"}->{"sensorValue"}), |
ac3b79eca0ca
fetch_weather: Change to use the new REST/JSON API for fetching Tiehallinto digitraffic weather data.
Matti Hamalainen <ccr@tnsp.org>
parents:
447
diff
changeset
|
424 plonk_data($wdata->{"sensors"}->{"precipitation"}->{"sensorValueDescriptionFi"}), |
ac3b79eca0ca
fetch_weather: Change to use the new REST/JSON API for fetching Tiehallinto digitraffic weather data.
Matti Hamalainen <ccr@tnsp.org>
parents:
447
diff
changeset
|
425 plonk_data($wdata->{"sensors"}->{"visibility"}->{"sensorValue"}), |
ac3b79eca0ca
fetch_weather: Change to use the new REST/JSON API for fetching Tiehallinto digitraffic weather data.
Matti Hamalainen <ccr@tnsp.org>
parents:
447
diff
changeset
|
426 ]; |
338
afb8c0e2d513
fetch_weather: Implement support for new Tiehallinto data API.
Matti Hamalainen <ccr@tnsp.org>
parents:
332
diff
changeset
|
427 } |
448
ac3b79eca0ca
fetch_weather: Change to use the new REST/JSON API for fetching Tiehallinto digitraffic weather data.
Matti Hamalainen <ccr@tnsp.org>
parents:
447
diff
changeset
|
428 else |
ac3b79eca0ca
fetch_weather: Change to use the new REST/JSON API for fetching Tiehallinto digitraffic weather data.
Matti Hamalainen <ccr@tnsp.org>
parents:
447
diff
changeset
|
429 { |
ac3b79eca0ca
fetch_weather: Change to use the new REST/JSON API for fetching Tiehallinto digitraffic weather data.
Matti Hamalainen <ccr@tnsp.org>
parents:
447
diff
changeset
|
430 print STDERR "Station ID #".$wid." not defined?\n" if (opt_get_int("debug") > 0); |
ac3b79eca0ca
fetch_weather: Change to use the new REST/JSON API for fetching Tiehallinto digitraffic weather data.
Matti Hamalainen <ccr@tnsp.org>
parents:
447
diff
changeset
|
431 #.Dumper($meta_data->{$wid}); |
ac3b79eca0ca
fetch_weather: Change to use the new REST/JSON API for fetching Tiehallinto digitraffic weather data.
Matti Hamalainen <ccr@tnsp.org>
parents:
447
diff
changeset
|
432 } |
338
afb8c0e2d513
fetch_weather: Implement support for new Tiehallinto data API.
Matti Hamalainen <ccr@tnsp.org>
parents:
332
diff
changeset
|
433 } |
448
ac3b79eca0ca
fetch_weather: Change to use the new REST/JSON API for fetching Tiehallinto digitraffic weather data.
Matti Hamalainen <ccr@tnsp.org>
parents:
447
diff
changeset
|
434 print STDERR $nrecords." records from Tiehallinto.\n" if (opt_get_int("debug") > 0); |
338
afb8c0e2d513
fetch_weather: Implement support for new Tiehallinto data API.
Matti Hamalainen <ccr@tnsp.org>
parents:
332
diff
changeset
|
435 } |
afb8c0e2d513
fetch_weather: Implement support for new Tiehallinto data API.
Matti Hamalainen <ccr@tnsp.org>
parents:
332
diff
changeset
|
436 } |
afb8c0e2d513
fetch_weather: Implement support for new Tiehallinto data API.
Matti Hamalainen <ccr@tnsp.org>
parents:
332
diff
changeset
|
437 } |
afb8c0e2d513
fetch_weather: Implement support for new Tiehallinto data API.
Matti Hamalainen <ccr@tnsp.org>
parents:
332
diff
changeset
|
438 |
afb8c0e2d513
fetch_weather: Implement support for new Tiehallinto data API.
Matti Hamalainen <ccr@tnsp.org>
parents:
332
diff
changeset
|
439 |
afb8c0e2d513
fetch_weather: Implement support for new Tiehallinto data API.
Matti Hamalainen <ccr@tnsp.org>
parents:
332
diff
changeset
|
440 ### |
158
db2b1f74d994
Initial import of weather data fetching backend, written in Perl.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
441 ### Fetch FMI data |
178
9b8ec700ede4
Clean up the weather data parser backend a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
170
diff
changeset
|
442 ### |
164
d5a0e4248f3e
weather: Implement configuration file support for weather fetcher backend.
Matti Hamalainen <ccr@tnsp.org>
parents:
162
diff
changeset
|
443 if (opt_chk_bool("opt_fmi")) |
d5a0e4248f3e
weather: Implement configuration file support for weather fetcher backend.
Matti Hamalainen <ccr@tnsp.org>
parents:
162
diff
changeset
|
444 { |
487
b4be881a9908
fetch_weather, weather: Add primitive support for wind direction data.
Matti Hamalainen <ccr@tnsp.org>
parents:
486
diff
changeset
|
445 my @fmitems = ("temperature", "humidity", "windspeedms", "winddirection", "totalcloudcover"); |
158
db2b1f74d994
Initial import of weather data fetching backend, written in Perl.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
446 |
486
b352722e8717
fetch_weather: FMI open data no longer requires an API key. Also the data
Matti Hamalainen <ccr@tnsp.org>
parents:
477
diff
changeset
|
447 my $uri = "https://opendata.fmi.fi/wfs". |
b352722e8717
fetch_weather: FMI open data no longer requires an API key. Also the data
Matti Hamalainen <ccr@tnsp.org>
parents:
477
diff
changeset
|
448 "?request=getFeature". |
487
b4be881a9908
fetch_weather, weather: Add primitive support for wind direction data.
Matti Hamalainen <ccr@tnsp.org>
parents:
486
diff
changeset
|
449 "&storedquery_id=fmi::observations::weather::multipointcoverage". |
194 | 450 "&starttime=".format_time_gmt(time() - 10*60)."&endtime=".format_time_gmt(time()). |
487
b4be881a9908
fetch_weather, weather: Add primitive support for wind direction data.
Matti Hamalainen <ccr@tnsp.org>
parents:
486
diff
changeset
|
451 "¶meters=".join(",", @fmitems). |
491
f5c023538e2a
fetch_weather, weather: Remove certain "data translation" from fetch_weather and move that into weather.tcl.
Matti Hamalainen <ccr@tnsp.org>
parents:
489
diff
changeset
|
452 "&maxlocations=300&bbox=19,59,32,75"; |
164
d5a0e4248f3e
weather: Implement configuration file support for weather fetcher backend.
Matti Hamalainen <ccr@tnsp.org>
parents:
162
diff
changeset
|
453 |
324
19c64798de91
weather: Add some better optional debugging.
Matti Hamalainen <ccr@tnsp.org>
parents:
247
diff
changeset
|
454 print STDERR "FMI URI: ".$uri."\n" if (opt_get_int("debug") > 0); |
189 | 455 |
456 my $res = fetch_http($uri); | |
164
d5a0e4248f3e
weather: Implement configuration file support for weather fetcher backend.
Matti Hamalainen <ccr@tnsp.org>
parents:
162
diff
changeset
|
457 if ($res->code >= 200 && $res->code <= 201) |
d5a0e4248f3e
weather: Implement configuration file support for weather fetcher backend.
Matti Hamalainen <ccr@tnsp.org>
parents:
162
diff
changeset
|
458 { |
463
fe478b7bd80e
fetch_weather: Perhaps, possibly, fix the UTF8 issues. Maybe.
Matti Hamalainen <ccr@tnsp.org>
parents:
462
diff
changeset
|
459 my $xml = XMLin(force_decode_utf8($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
|
460 my $time_base = time(); |
339 | 461 |
487
b4be881a9908
fetch_weather, weather: Add primitive support for wind direction data.
Matti Hamalainen <ccr@tnsp.org>
parents:
486
diff
changeset
|
462 #print $res->decoded_content; die("\n"); |
b4be881a9908
fetch_weather, weather: Add primitive support for wind direction data.
Matti Hamalainen <ccr@tnsp.org>
parents:
486
diff
changeset
|
463 |
208
c6bbf69afc57
Add some error handling and debugging.
Matti Hamalainen <ccr@tnsp.org>
parents:
206
diff
changeset
|
464 if (defined($xml->{"wfs:member"}{"omso:GridSeriesObservation"})) |
c6bbf69afc57
Add some error handling and debugging.
Matti Hamalainen <ccr@tnsp.org>
parents:
206
diff
changeset
|
465 { |
c6bbf69afc57
Add some error handling and debugging.
Matti Hamalainen <ccr@tnsp.org>
parents:
206
diff
changeset
|
466 my $fdata = $xml->{"wfs:member"}{"omso:GridSeriesObservation"}; |
c6bbf69afc57
Add some error handling and debugging.
Matti Hamalainen <ccr@tnsp.org>
parents:
206
diff
changeset
|
467 my $fshit = $fdata->{"om:result"}{"gmlcov:MultiPointCoverage"}; |
378
b706e8ebecf8
fetch_weather: Possibly improve FMI XML mess parsing.
Matti Hamalainen <ccr@tnsp.org>
parents:
377
diff
changeset
|
468 |
b706e8ebecf8
fetch_weather: Possibly improve FMI XML mess parsing.
Matti Hamalainen <ccr@tnsp.org>
parents:
377
diff
changeset
|
469 my @position_lines = split(/\n/, $fshit->{"gml:domainSet"}{"gmlcov:SimpleMultiPoint"}{"gmlcov:positions"}); |
b706e8ebecf8
fetch_weather: Possibly improve FMI XML mess parsing.
Matti Hamalainen <ccr@tnsp.org>
parents:
377
diff
changeset
|
470 my @data_lines = split(/\n/, $fshit->{"gml:rangeSet"}{"gml:DataBlock"}{"gml:doubleOrNilReasonTupleList"}); |
208
c6bbf69afc57
Add some error handling and debugging.
Matti Hamalainen <ccr@tnsp.org>
parents:
206
diff
changeset
|
471 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
|
472 |
378
b706e8ebecf8
fetch_weather: Possibly improve FMI XML mess parsing.
Matti Hamalainen <ccr@tnsp.org>
parents:
377
diff
changeset
|
473 if (scalar(@position_lines) == scalar(@data_lines)) |
169
c12e422a543a
FMI data parsing kinda almost works. It is horrible, though. XML ... :Q
Matti Hamalainen <ccr@tnsp.org>
parents:
168
diff
changeset
|
474 { |
378
b706e8ebecf8
fetch_weather: Possibly improve FMI XML mess parsing.
Matti Hamalainen <ccr@tnsp.org>
parents:
377
diff
changeset
|
475 for (my $nline = 0; $nline < scalar(@position_lines); $nline++) |
208
c6bbf69afc57
Add some error handling and debugging.
Matti Hamalainen <ccr@tnsp.org>
parents:
206
diff
changeset
|
476 { |
382
5573c1681da9
fetch_weather: Trim split input data lines in FMI XML.
Matti Hamalainen <ccr@tnsp.org>
parents:
381
diff
changeset
|
477 my $dline = str_trim($data_lines[$nline]); |
5573c1681da9
fetch_weather: Trim split input data lines in FMI XML.
Matti Hamalainen <ccr@tnsp.org>
parents:
381
diff
changeset
|
478 my $pline = str_trim($position_lines[$nline]); |
378
b706e8ebecf8
fetch_weather: Possibly improve FMI XML mess parsing.
Matti Hamalainen <ccr@tnsp.org>
parents:
377
diff
changeset
|
479 |
b706e8ebecf8
fetch_weather: Possibly improve FMI XML mess parsing.
Matti Hamalainen <ccr@tnsp.org>
parents:
377
diff
changeset
|
480 my @fmatches = ($dline =~ /\s*([\+\-]?\d+\.\d*|NaN)\s*/ig); |
b706e8ebecf8
fetch_weather: Possibly improve FMI XML mess parsing.
Matti Hamalainen <ccr@tnsp.org>
parents:
377
diff
changeset
|
481 if (scalar(@fmatches) != scalar(@fmitems)) |
b706e8ebecf8
fetch_weather: Possibly improve FMI XML mess parsing.
Matti Hamalainen <ccr@tnsp.org>
parents:
377
diff
changeset
|
482 { |
b706e8ebecf8
fetch_weather: Possibly improve FMI XML mess parsing.
Matti Hamalainen <ccr@tnsp.org>
parents:
377
diff
changeset
|
483 print STDERR "Not enough items in scalar line #".$nline." (". |
452
ec97c29768e7
fetch_weather: Improve some debug messages.
Matti Hamalainen <ccr@tnsp.org>
parents:
450
diff
changeset
|
484 scalar(@fmatches). " vs ".scalar(@fmitems)."): ".$dline."\n" |
ec97c29768e7
fetch_weather: Improve some debug messages.
Matti Hamalainen <ccr@tnsp.org>
parents:
450
diff
changeset
|
485 if (opt_get_int("debug") > 0); |
378
b706e8ebecf8
fetch_weather: Possibly improve FMI XML mess parsing.
Matti Hamalainen <ccr@tnsp.org>
parents:
377
diff
changeset
|
486 } |
b706e8ebecf8
fetch_weather: Possibly improve FMI XML mess parsing.
Matti Hamalainen <ccr@tnsp.org>
parents:
377
diff
changeset
|
487 else |
b706e8ebecf8
fetch_weather: Possibly improve FMI XML mess parsing.
Matti Hamalainen <ccr@tnsp.org>
parents:
377
diff
changeset
|
488 { |
b706e8ebecf8
fetch_weather: Possibly improve FMI XML mess parsing.
Matti Hamalainen <ccr@tnsp.org>
parents:
377
diff
changeset
|
489 my $vtmp = {}; |
b706e8ebecf8
fetch_weather: Possibly improve FMI XML mess parsing.
Matti Hamalainen <ccr@tnsp.org>
parents:
377
diff
changeset
|
490 for (my $fni = 0; $fni < scalar(@fmitems); $fni++) |
b706e8ebecf8
fetch_weather: Possibly improve FMI XML mess parsing.
Matti Hamalainen <ccr@tnsp.org>
parents:
377
diff
changeset
|
491 { |
b706e8ebecf8
fetch_weather: Possibly improve FMI XML mess parsing.
Matti Hamalainen <ccr@tnsp.org>
parents:
377
diff
changeset
|
492 $$vtmp{$fmitems[$fni]} = $fmatches[$fni] if (lc($fmatches[$fni]) ne "nan"); |
b706e8ebecf8
fetch_weather: Possibly improve FMI XML mess parsing.
Matti Hamalainen <ccr@tnsp.org>
parents:
377
diff
changeset
|
493 } |
b706e8ebecf8
fetch_weather: Possibly improve FMI XML mess parsing.
Matti Hamalainen <ccr@tnsp.org>
parents:
377
diff
changeset
|
494 if ($pline =~ /^\s*([\+\-]?\d+\.\d*)\s+([\+\-]?\d+\.\d*)\s+(\d+)\s*$/) |
b706e8ebecf8
fetch_weather: Possibly improve FMI XML mess parsing.
Matti Hamalainen <ccr@tnsp.org>
parents:
377
diff
changeset
|
495 { |
b706e8ebecf8
fetch_weather: Possibly improve FMI XML mess parsing.
Matti Hamalainen <ccr@tnsp.org>
parents:
377
diff
changeset
|
496 $$vtmp{"lat"} = $1; |
b706e8ebecf8
fetch_weather: Possibly improve FMI XML mess parsing.
Matti Hamalainen <ccr@tnsp.org>
parents:
377
diff
changeset
|
497 $$vtmp{"long"} = $2; |
b706e8ebecf8
fetch_weather: Possibly improve FMI XML mess parsing.
Matti Hamalainen <ccr@tnsp.org>
parents:
377
diff
changeset
|
498 $$vtmp{"time"} = $3; |
b706e8ebecf8
fetch_weather: Possibly improve FMI XML mess parsing.
Matti Hamalainen <ccr@tnsp.org>
parents:
377
diff
changeset
|
499 push(@farray, $vtmp); |
b706e8ebecf8
fetch_weather: Possibly improve FMI XML mess parsing.
Matti Hamalainen <ccr@tnsp.org>
parents:
377
diff
changeset
|
500 } |
b706e8ebecf8
fetch_weather: Possibly improve FMI XML mess parsing.
Matti Hamalainen <ccr@tnsp.org>
parents:
377
diff
changeset
|
501 else |
b706e8ebecf8
fetch_weather: Possibly improve FMI XML mess parsing.
Matti Hamalainen <ccr@tnsp.org>
parents:
377
diff
changeset
|
502 { |
b706e8ebecf8
fetch_weather: Possibly improve FMI XML mess parsing.
Matti Hamalainen <ccr@tnsp.org>
parents:
377
diff
changeset
|
503 print STDERR "Data mismatch #".$nline.": ".$pline."\n"; |
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504 } |
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505 } |
208
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506 } |
169
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507 } |
378
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508 else |
169
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509 { |
452
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510 print STDERR "Position and data line counts do not match ". |
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511 scalar(@position_lines)." <> ".scalar(@data_lines)."\n"; |
378
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512 goto skip_it; |
189 | 513 } |
208
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514 # XXX Hashify the array into lat/long keys |
339 | 515 |
208
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516 # This is horrible :S |
352
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517 my $nrecords = 0; |
410 | 518 foreach my $xnode (@{$fdata->{"om:featureOfInterest"}{"sams:SF_SpatialSamplingFeature"}{"sams:shape"}{"gml:MultiPoint"}{"gml:pointMember"}}) |
189 | 519 { |
228 | 520 my $floc = $xnode->{"gml:Point"}; |
208
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521 if ($floc->{"gml:pos"} =~ /^\s*([\+\-]?\d+\.\d*)\s+([\+\-]?\d+\.\d*)\s*$/) |
189 | 522 { |
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523 my ($flat, $flong) = ($1, $2); |
349
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524 |
208
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525 # Should use a hash - |
410 | 526 foreach my $frec (@farray) |
189 | 527 { |
410 | 528 if ($frec->{"lat"} == $flat && $frec->{"long"} == $flong && |
383
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529 $floc->{"gml:name"} ne "") |
208
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530 { |
349
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531 $nrecords++; |
208
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532 $weatherdata->{$floc->{"gml:name"}} = |
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533 [ |
448
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534 # Measurement source type |
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535 2, |
410 | 536 |
448
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537 # Basic data |
487
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538 plonk_data($frec->{"lat"}, 0), |
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539 plonk_data($frec->{"long"}, 0), |
414
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|
540 0, |
410 | 541 plonk_data($frec->{"time"}), |
542 plonk_data($frec->{"temperature"}), | |
543 plonk_data($frec->{"humidity"}), | |
544 plonk_data($frec->{"windspeedms"}), | |
487
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545 plonk_data($frec->{"winddirection"}), |
448
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|
546 |
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547 # Station type dependant data |
491
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fetch_weather, weather: Remove certain "data translation" from fetch_weather and move that into weather.tcl.
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548 plonk_data($frec->{"totalcloudcover"}), |
208
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549 ]; |
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550 } |
189 | 551 } |
552 } | |
169
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553 } |
352
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554 print STDERR $nrecords." records from FMI.\n" if (opt_get_int("debug") > 0); |
353 | 555 } |
556 else | |
557 { | |
208
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558 # defined |
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559 print STDERR "Invalid XML received:\n"; |
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560 print STDERR $res->decoded_content."\n\n"; |
169
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561 } |
353 | 562 } |
563 else | |
564 { | |
208
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565 print STDERR "Error fetching FMI XML: ".$res->status_line."\n"; |
164
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diff
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|
566 } |
158
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|
567 } |
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|
568 |
164
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|
569 |
375
c303ddc0a683
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570 ### Skip here if the FMI shit fails due to broken data |
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|
571 skip_it: |
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572 |
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|
573 |
178
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170
diff
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|
574 ### |
394
315f31e4f964
fetch_weather: Make purge_threshold option entirely optional, e.g. not set or 0 will disable purging.
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parents:
392
diff
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|
575 ### Purge too old entries |
371
36869897f21d
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|
576 ### |
394
315f31e4f964
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diff
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|
577 if (opt_chk_valid("purge_threshold", 1)) |
315f31e4f964
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|
578 { |
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|
579 my $purge = opt_get_int("purge_threshold"); |
315f31e4f964
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|
580 if ($purge > 0) |
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|
581 { |
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fetch_weather: Make purge_threshold option entirely optional, e.g. not set or 0 will disable purging.
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392
diff
changeset
|
582 my $wqtime = time(); |
395
33b5e7adc30c
fetch_weather: Make purge_threshold output some information when debugging.
Matti Hamalainen <ccr@tnsp.org>
parents:
394
diff
changeset
|
583 my $nold = scalar(keys %$weatherdata); |
373
bc7746ca622e
fetch_weather: Implement purge_threshold setting.
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parents:
371
diff
changeset
|
584 |
394
315f31e4f964
fetch_weather: Make purge_threshold option entirely optional, e.g. not set or 0 will disable purging.
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392
diff
changeset
|
585 foreach my $key (keys %$weatherdata) |
315f31e4f964
fetch_weather: Make purge_threshold option entirely optional, e.g. not set or 0 will disable purging.
Matti Hamalainen <ccr@tnsp.org>
parents:
392
diff
changeset
|
586 { |
414
d623652df6b5
fetch_weather / weather: Add weather measurement station location data (GPS WGS-84 lat/long/height) to weather cache. Not used in weather.tcl yet, tho.
Matti Hamalainen <ccr@tnsp.org>
parents:
413
diff
changeset
|
587 if ($wqtime - $weatherdata->{$key}[4] > (60 * $purge)) |
394
315f31e4f964
fetch_weather: Make purge_threshold option entirely optional, e.g. not set or 0 will disable purging.
Matti Hamalainen <ccr@tnsp.org>
parents:
392
diff
changeset
|
588 { |
315f31e4f964
fetch_weather: Make purge_threshold option entirely optional, e.g. not set or 0 will disable purging.
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parents:
392
diff
changeset
|
589 delete $$weatherdata{$key}; |
315f31e4f964
fetch_weather: Make purge_threshold option entirely optional, e.g. not set or 0 will disable purging.
Matti Hamalainen <ccr@tnsp.org>
parents:
392
diff
changeset
|
590 } |
315f31e4f964
fetch_weather: Make purge_threshold option entirely optional, e.g. not set or 0 will disable purging.
Matti Hamalainen <ccr@tnsp.org>
parents:
392
diff
changeset
|
591 } |
395
33b5e7adc30c
fetch_weather: Make purge_threshold output some information when debugging.
Matti Hamalainen <ccr@tnsp.org>
parents:
394
diff
changeset
|
592 |
33b5e7adc30c
fetch_weather: Make purge_threshold output some information when debugging.
Matti Hamalainen <ccr@tnsp.org>
parents:
394
diff
changeset
|
593 my $nnew = scalar(keys %$weatherdata); |
33b5e7adc30c
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parents:
394
diff
changeset
|
594 print STDERR "Purged data older than ".$purge." minutes, ".$nold." -> ".$nnew." = ".($nold - $nnew)." removed.\n" if (opt_get_int("debug") > 0); |
371
36869897f21d
fetch_weather: Purge sufficiently old data.
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parents:
370
diff
changeset
|
595 } |
36869897f21d
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parents:
370
diff
changeset
|
596 } |
36869897f21d
fetch_weather: Purge sufficiently old data.
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parents:
370
diff
changeset
|
597 |
36869897f21d
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parents:
370
diff
changeset
|
598 |
36869897f21d
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diff
changeset
|
599 ### |
158
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diff
changeset
|
600 ### Output |
178
9b8ec700ede4
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parents:
170
diff
changeset
|
601 ### |
353 | 602 if (opt_chk_valid("outfile", 1)) |
603 { | |
438
a17b7fdd03c0
fetch_weather: Simplify and check for existence of output file before trying to read the old one.
Matti Hamalainen <ccr@tnsp.org>
parents:
417
diff
changeset
|
604 my $filename = opt_get("outfile"); |
a17b7fdd03c0
fetch_weather: Simplify and check for existence of output file before trying to read the old one.
Matti Hamalainen <ccr@tnsp.org>
parents:
417
diff
changeset
|
605 print STDERR "Dumping data to output file '".$filename."'\n" if (opt_get_int("debug") > 0); |
368
ed1c7f2d81df
fetch_weather: Close STDOUT filehandle before reopening it, to make sure we
Matti Hamalainen <ccr@tnsp.org>
parents:
367
diff
changeset
|
606 close(STDOUT); |
438
a17b7fdd03c0
fetch_weather: Simplify and check for existence of output file before trying to read the old one.
Matti Hamalainen <ccr@tnsp.org>
parents:
417
diff
changeset
|
607 open(STDOUT, '>', $filename) or die("Could not open output file '".$filename."': $!\n"); |
158
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Initial import of weather data fetching backend, written in Perl.
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parents:
diff
changeset
|
608 } |
db2b1f74d994
Initial import of weather data fetching backend, written in Perl.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
609 |
db2b1f74d994
Initial import of weather data fetching backend, written in Perl.
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parents:
diff
changeset
|
610 binmode STDOUT, ':encoding(utf-8)'; |
db2b1f74d994
Initial import of weather data fetching backend, written in Perl.
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parents:
diff
changeset
|
611 |
db2b1f74d994
Initial import of weather data fetching backend, written in Perl.
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parents:
diff
changeset
|
612 foreach my $key (sort { $a cmp $b } keys %$weatherdata) |
db2b1f74d994
Initial import of weather data fetching backend, written in Perl.
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parents:
diff
changeset
|
613 { |
db2b1f74d994
Initial import of weather data fetching backend, written in Perl.
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parents:
diff
changeset
|
614 print STDOUT $key."|".join("|", @{$weatherdata->{$key}})."\n"; |
db2b1f74d994
Initial import of weather data fetching backend, written in Perl.
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parents:
diff
changeset
|
615 } |
db2b1f74d994
Initial import of weather data fetching backend, written in Perl.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
616 |
db2b1f74d994
Initial import of weather data fetching backend, written in Perl.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
617 close(STDOUT); |