64 lines
1.7 KiB
Perl
Executable File
64 lines
1.7 KiB
Perl
Executable File
#!/usr/bin/perl
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# Print the URI of the most recent rfi francais facile episode.
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# Feed this to a downloader. (This script doesn't itself download.)
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use File::Temp;
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use HTML::LinkExtractor;
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use List::Util 'uniq';
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use Readonly;
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use URI;
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use URI::Fetch;
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use URI::Find;
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use strict;
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use warnings;
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use feature 'say';
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my $BASE_URI =
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'http://www.rfi.fr/fr/podcasts/journal-fran%C3%A7ais-facile/';
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# find the list of available episodes
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my $res = URI::Fetch->fetch($BASE_URI) or die URI::Fetch->errstr;
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die "URI::Fetch reports failure, stopping" unless $res;
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my $epis_list_html = $res->content;
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my @episode_links;
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my $LX = HTML::LinkExtractor->new(undef, $BASE_URI);
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$LX->parse(\$epis_list_html);
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for my $link (@{$LX->links}) {
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next unless $link->{href};
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if ($link->{href} =~ /facile.*\d+h\d+-gmt\s*$/) {
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push @episode_links, $link->{href};
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}
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}
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die "Français facile's episode list html has changed, stopping"
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unless @episode_links > 0;
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@episode_links = sort @episode_links;
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#say for @episode_links;
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my $latest_episode = pop @episode_links;
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#say "Latest: ", $latest_episode;
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# fetch the mp3 from the most recent episode page
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my @mp3s;
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sub collect_mp3s {
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my ($uri, $uri_text) = @_;
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push @mp3s, $uri_text if $uri_text =~ /facile_\d+.*\d+\.mp3$/;
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}
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$res = URI::Fetch->fetch($latest_episode) or die URI::Fetch->errstr;
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die "URI::Fetch reports failure, stopping" unless $res;
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my $episode_html = $res->content;
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# The page has an inline json script with forward slash escaped.
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$episode_html =~ s{\\/}{/}g;
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my $uri_finder = URI::Find->new(\&collect_mp3s);
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$uri_finder->find(\$episode_html);
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@mp3s = uniq @mp3s;
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die sprintf("Found %d show mp3s instead of one, stopping", scalar(@mp3s))
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unless @mp3s == 1;
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say for @mp3s;
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