First draft of tvmover script

* Copies files into their correct /export/videos directory if it exists
* Attempts to rename the file using tvrenamer
* Creates a symlink to the moved file, overwriting the existing torrent-dir copy, permitting seeding without duplicating the file across filesystems.

May be a few special cases which fail, and failures may cause data loss; needs testing.
This commit is contained in:
2009-11-16 00:17:58 +00:00
commit 74ebc9d7f1

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trunk/tvmover.pl Executable file
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#!/usr/bin/perl
use strict;
use warnings;
use Data::Dumper;
use Getopt::Long;
use File::Basename;
use Pod::Usage;
use Sihnon::Common qw/verbose debug/;
use Switch;
use Sys::Pushd;
use File::Copy;
use FindBin;
use lib $FindBin::Bin;
# Globals
our %options = (
verbose => 0,
quiet => 0,
silent => 0,
help => 0,
pretend => 0,
media_dir => '/export/videos/',
torrent_dir => '/export/torrents/completed/',
tvrenamer => '/usr/bin/tvrenamer',
);
Getopt::Long::Configure( qw(bundling no_getopt_compat) );
GetOptions(
'verbose|v+' => \$Sihnon::Common::VERBOSE,
'debug|d+' => \$Sihnon::Common::DEBUG,
'quiet|q' => \$options{quiet},
'silent|s' => \$options{silent},
'help|h' => \$options{help},
'pretend|n' => \$options{pretend},
'media-dir|m=s' => \$options{media_dir},
'torrent-dir|t=s' => \$options{torrent_dir},
'tvrenamer=s' => \$options{tvrenamer},
) or pod2usage(-verbose => 0);
pod2usage(-verbose => 1) if ($options{help});
my @args = @ARGV;
# Get a list of tv series directories, and their normalised names
my %series_dir = read_series_directories($options{media_dir});
my $dh;
verbose("Reading contents of $options{torrent_dir}");
opendir $dh, $options{torrent_dir};
while (my $completed_torrent = readdir $dh) {
next if $completed_torrent =~ m/^\..*/;
my $completed_filename = $options{torrent_dir} . '/' . $completed_torrent;
next if ! -f $completed_filename;
verbose("Dealing with $completed_torrent ($completed_filename)");
my $output_dir = get_destination_dir_from_filename($completed_torrent);
if ( ! $output_dir) {
warn "Failed to find directory for $completed_torrent";
next;
}
my $output_filename = $output_dir . '/' . $completed_torrent;
# Copy the file over to the media share
copy_to_media_share($completed_filename, $output_filename) or next;
# Attempt to rename the file
my $final_filename = $output_filename;
$final_filename = rename_media_share_file($output_filename);
# Symlink the file back into the torrent directory for seeding
replace_with_symlink($final_filename, $completed_filename);
}
sub read_series_directories {
my $media_share_dir = shift or die;
my %series_dir = ();
my $dh;
opendir $dh, $media_share_dir;
while (my $file = readdir $dh) {
next if $file =~ m/^\..*/;
my $canonical_file = canonicalise($file);
$series_dir{$canonical_file} = $file;
}
return %series_dir;
}
sub canonicalise {
my $input = shift or die;
$input =~ tr/A-Z/a-z/;
$input =~ s/[^a-z0-9]//g;
return $input;
}
sub copy_to_media_share {
my $torrent_dir_filename = shift or die;
my $output_filename = shift or die;
verbose("Copying $torrent_dir_filename to $output_filename");
if ( ! $options{pretend}) {
return copy $torrent_dir_filename, $output_filename;
} else {
return 1; # Return true if only pretending
}
}
sub get_destination_dir_from_filename {
my $source_filename = shift or die;
my ($series, $season, $episode) = decode_filename($source_filename);
return unless $series;
verbose("Series: $series, Season: $season, Episode: $episode");
return $options{media_dir} . '/' . $series . '/Season ' . $season;
}
sub decode_filename {
my $input_filename = shift or die;
# grab the series, and season number from the torrented filename
$input_filename =~ m/(.*)[-_\.]*(?:(\d+)x(\d+)|[sS](\d+)[eE](\d+))/;
my $series = $1;
my $season = $4;
my $episode = $5;
# Get the real series name if it exists
my $canonical_series = canonicalise($series) or return;
# Sanitise the season and episode numbers
$season =~ s/0*(\d+)/$1/;
return ($series_dir{$canonical_series}, $season, $episode);
}
sub replace_with_symlink {
my $media_share_filename = shift or die;
my $torrent_dir_filename = shift or die;
my $temp_filename = $torrent_dir_filename . '.tmp';
verbose("Replacing $torrent_dir_filename with symlink to $media_share_filename");
if ( ! $options{pretend}) {
symlink $media_share_filename, $temp_filename;
move $temp_filename, $torrent_dir_filename;
}
}
sub rename_media_share_file {
my $input_filename = shift or die;
my $output_filename = $input_filename;
return $output_filename if $options{pretend};
my $input_dir = dirname($input_filename);
# Find out the season and episode number for the file we are renaming
my ($series, $season, $episode) = decode_filename(basename($input_filename));
return $output_filename unless $series;
# Change into the output directory temporarily, to run the renamer
my $changed_dir = new Sys::Pushd $input_dir;
my $tvrenamer_cmd = "$options{tvrenamer} --unattended --noANSI --rangemin=$episode --rangemax=$episode";
open my $tvrenamer_fh, "$tvrenamer_cmd|";
my @tvrenamer_output = <$tvrenamer_fh>;
close $tvrenamer_fh;
# Scan through the output and look for the new filename for the episode with this season and episode number
foreach my $line (@tvrenamer_output) {
my $identifier = $season . 'x' . $episode;
if ($line =~ m/$identifier/) {
$output_filename = $line;
chomp $output_filename;
verbose("File has been renamed from $input_filename to $output_filename");
return $input_dir . '/' . $output_filename;
}
}
return $output_filename;
}
__END__;
=head1 NAME
=head1 SYNOPSIS
=head1 DESCRIPTION
=head1 OPTIONS
=cut