/usr/bin/bp_das_server is in bioperl 1.6.924-3.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
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eval 'exec /usr/bin/perl -S $0 ${1+"$@"}'
if 0; # not running under some shell
# minimal annotation server
use strict;
use warnings;
use Apache::DBI;
use Bio::DB::GFF;
use CGI qw/header path_info param url request_method/;
use Digest::MD5 'md5_hex';
use Carp;
my $VERSION = 'DAS/1.00';
(my $BASENAME = url(-absolute=>1)) =~ s!http://[^/]+/!!;
use vars qw($DB %ERRCODES %CATEGORIES $HEADER
%DSN %TYPE2CATEGORY %TYPEOBJECTS
%EXCLUDE
);
# dsn description db server map master
%DSN = (
'chr22_transcripts' => [q(EST-predicted transcripts on chr22 from Jean Thierry-Mieg),
'dbi:mysql:database=tm_chr22;host=brie3.cshl.org',
'http://servlet.sanger.ac.uk:8080/das/ensembl110']
);
########################################################################################
%ERRCODES = (
200 => 'OK',
400 => 'Bad command',
401 => 'Bad data source',
402 => 'Bad command arguments',
403 => 'Bad reference object',
404 => 'Bad stylesheet',
405 => 'Coordinate error',
500 => 'Internal server error (oops)',
501 => 'Unimplemented feature',
);
%CATEGORIES = (
component => [qw(Sequence:Contig Sequence:Link Sequence:Genomic_canonical
static_golden_path_contig:ensembl ensembl_contig:ensembl)],
transcription => [qw(Sequence:curated polyA_site stop CpG misc_signal intron exon transcript CDS)],
homology => [qw(similarity)],
repeat => [qw(Alu repeat repeat_region repeat_unit misc_feature)],
structural => [qw(Clone cosmid OLIGO PCR_product structural compression Comment Conflict)],
experimental => [qw(experimental RNAi)],
);
%EXCLUDE = (
'static_golden_path_contig:ensembl' => 1,
'ensembl_contig:ensembl' => 1,
'Sequence:Contig' => 1,
);
while (my($c,$v) = each %CATEGORIES) { # invert nicely
for my $typename (@$v) {
my $typeobj = Bio::DB::GFF::Typename->new($typename);
$TYPE2CATEGORY{$typeobj} = $c;
$TYPEOBJECTS{$typeobj} = $typeobj;
}
}
$HEADER = 0;
my ($junk,$DSN,$OPERATION) = split '/',path_info();
do { error_header('invalid request',400); exit 0 } unless $DSN;
do { list_dsns(); exit 0 } if $DSN eq 'dsn' or $OPERATION eq 'dsn';
do { error_header('invalid data source, use the dsn command to get list',401); exit 0 } unless $DSN{$DSN};
do { error_header('Could not open database',500); exit 0 }
unless $DB = openDB($DSN);
do { entry_points(); exit 0 } if $OPERATION eq 'entry_points';
do { types(); exit 0 } if $OPERATION eq 'types';
do { features(); exit 0 } if $OPERATION eq 'features';
do { stylesheet(); exit 0 } if $OPERATION eq 'stylesheet';
error_header('invalid request',400);
exit 0;
# -----------------------------------------------------------------
sub openDB {
my $name = shift;
my $db = Bio::DB::GFF->new(-adaptor=>'dbi::mysqlopt',-dsn=>$DSN{$name}[1]);
$db->automerge(0);
$db->debug(0);
return $db;
}
# -----------------------------------------------------------------
sub list_dsns {
my $j = ' 'x3;
ok_header();
print qq(<?xml version="1.0" standalone="yes"?>\n<!DOCTYPE DASDSN SYSTEM "http://www.biodas.org/dtd/dasdsn.dtd">\n);
print "<DASDSN>\n";
for my $dsn (sort keys %DSN) {
print "$j<DSN>\n";
print qq($j$j<SOURCE id="$dsn">$DSN{$dsn}[0]</SOURCE>\n);
print qq($j$j<MAPMASTER>$DSN{$dsn}[2]/</MAPMASTER>\n);
print qq($j$j<DESCRIPTION>This is the $DSN{$dsn}[0] database</DESCRIPTION>\n);
print "$j</DSN>\n";
}
print "</DASDSN>\n";
}
# -----------------------------------------------------------------
sub entry_points {
my $segments = get_segments();
my @parts;
if ($segments) {
@parts = map { get_segment_obj(@$_) } @$segments;
@parts = map { $_->contained_features(-types=>['Sequence:Link','Sequence:Contig','Sequence:Genomic_canonical'],-merge=>0) } @parts;
} else {
@parts = grep {$_->name =~ /^CHR/i} $DB->features(-types=>['Sequence:Link','Sequence:Contig','Sequence:Genomic_canonical'],-merge=>0);
}
my $url = get_url();
ok_header();
print <<END;
<?xml version="1.0" standalone="no"?>
<!DOCTYPE DASEP SYSTEM "http://www.biodas.org/dtd/dasep.dtd">
<DASEP>
<ENTRY_POINTS href="$url" version="1.0">
END
;
for my $part (@parts) {
$part->absolute(1);
my $name = $part->name;
my $st = $part->start;
my $en = $part->stop;
my $class = $part->class;
my $length = $part->length;
my $orientation = $part->strand > 0 ? '+' : '-';
my $subparts = $part->source =~ /Link|Chromosome|Contig/ ? 'yes' : 'no';
print qq(<SEGMENT id="$name" size="$length" start="$st" stop="$en" class="$class" orientation="$orientation" subparts="$subparts">$name</SEGMENT>\n);
}
print "</ENTRY_POINTS>\n</DASEP>\n";
}
# -----------------------------------------------------------------
# get the features for the segment indicated
sub features {
my @segments = get_segments() or return;
my $summary = param('summary');
my $url = get_url();
my @filter = param('type');
my @category = param('category');
push @filter,make_categories(@category);
ok_header();
print <<END
<?xml version="1.0" standalone="yes"?>
<!DOCTYPE DASGFF SYSTEM "http://www.biodas.org/dtd/dasgff.dtd">
<DASGFF>
<GFF version="1.0" href="$url">
END
;
foreach (@segments) {
my ($reference,$refclass,$start,$stop) = @$_;
my $seq = get_segment_obj($reference,$refclass,$start,$stop);
unless ($seq) {
print qq(<SEGMENT id="$reference" start="$start" stop="$stop" version="1.0" />\n);
next;
}
if (lc(param('category')) eq 'component') {
dump_framework($seq);
next;
}
my $r = $seq->refseq;
my $s = $seq->start;
my $e = $seq->stop;
($s,$e) = ($e,$s) if $s > $e;
print qq(<SEGMENT id="$r" start="$s" stop="$e" version="1.0">\n);
my $iterator = $seq->features(-types=>\@filter,-merge=>0,-iterator=>1);
while (my $f = $iterator->next_seq) {
my $type = $f->type;
next if $EXCLUDE{$type};
my $flabel = $f->info || $f->type;
my $source = $f->source;
my $method = $f->method;
my $start = $f->start;
my $end = $f->stop;
my $score = $f->score;
my $orientation = $f->strand;
my $phase = $f->phase;
my $group = $f->group;
my $id = $f->id;
$phase ||= 0;
$orientation ||= 0;
$score ||= '-';
$orientation = $orientation >= 0 ? '+' : '-';
# hack hack hack
my $category = transmute($type);
($start,$end) = ($end,$start) if $start > $end;
# group stuff
my $hash = $group;
# my @notes = $f->notes;
my @notes;
my $info = $f->info;
my $group_info;
if (ref($info)) {
my $class = $info->class;
$id = "$class:$info";
if ($DSN eq 'elegans') {
$group_info = qq(<LINK href="http://www.wormbase.org/db/get?name=$info;class=$class">$info</LINK>);
}
} else {
$hash = md5_hex($group);
$group_info = join "\n",map {qq(<NOTE>$_</NOTE>)} @notes;
}
my ($target,$target_info);
if (($target = $f->target) && $target->can('start')) {
my $start = $target->start;
my $stop = $target->stop;
$target_info = qq(<TARGET id="$target" start="$start" stop="$stop" />);
}
if ($category eq 'component') {
my $strt = 1;
my $stp = $stop - $start + 1;
$target_info = qq(<TARGET id="$id" start="$strt" stop="$stp" />);
}
my $map;
if ($type =~ /Segment|Link|Genomic_canonical|Contig/i) { $map = qq( reference="yes") } else { $map = qq() }
$map .= qq( subparts="yes") if $type =~ /Segment|Link/i;
## Need not print feature for map in annotation services
## The next 2 lines are ucommented at Wash U:
# if (($DSN ne "welegans") && ($c eq "structural")) {
# } else {
print <<END;
<FEATURE id="$id" label="$flabel">
<TYPE id="$type" category="$category"$map>$type</TYPE>
<METHOD id="$method">$method</METHOD>
<START>$start</START>
<END>$end</END>
<SCORE>$score</SCORE>
<ORIENTATION>$orientation</ORIENTATION>
<PHASE>$phase</PHASE>
END
;
if ($hash) {
print qq( <GROUP id="$hash">\n);
print qq( $group_info\n) if $group_info;
print qq( $target_info\n) if $target_info;
print qq( </GROUP>\n);
}
print <<END;
</FEATURE>
END
;
# } # End Wash U if statement
}
print qq(</SEGMENT>\n);
}
print <<END;
</GFF>
</DASGFF>
END
}
sub dump_framework {
my $seq = shift;
my $start = $seq->start;
my $stop = $seq->stop;
my @parts = $seq->contained_features(-type=>['Sequence:Link','Sequence:Genomic_canonical','Sequence:Contig'],-merge=>0);
print qq(<SEGMENT id="$seq" start="$start" stop="$stop" version="1.0">\n);
for my $part (@parts) {
my ($st,$en) = ($part->start,$part->stop);
my $orientation = $part->strand >= 0 ? '+1' : '-1';
my $length = $part->length;
my $type = $part->type;
my $method = $type->method;
my $description = qq(category="component" reference="yes");
$description .= qq( subparts="yes") unless $part->source eq 'Genomic_canonical';
print <<END
<FEATURE id="Sequence:$part" label="$part">
<TYPE id="$type" $description>$part</TYPE>
<METHOD id="$method">$method</METHOD>
<START>$st</START>
<END>$en</END>
<SCORE>-</SCORE>
<ORIENTATION>$orientation</ORIENTATION>
<PHASE>-</PHASE>
<GROUP id="Sequence:$part">
<TARGET id="$part" start="1" stop="$length">$part</TARGET>
</GROUP>
</FEATURE>
END
;
}
print qq(</SEGMENT>\n);
}
sub types {
return all_types() unless param('ref') or param('segment');
my $type = param('entry_type') || 'Sequence';
my $summary = param('summary');
my $url = get_url();
my @filter = param('type');
my @segments = get_segments() or return;
ok_header();
print <<END;
<?xml version="1.0" standalone="yes"?>
<!DOCTYPE DASTYPES SYSTEM "http://www.biodas.org/dtd/dastypes.dtd">
<DASTYPES>
<GFF version="1.2" summary="yes" href="$url">
END
;
foreach (@segments) {
my ($reference,$class,$start,$stop) = @$_;
next unless $reference;
my $seq = get_segment_obj($reference,$class,$start,$stop) or next;
unless ($seq) { #empty section
print qq(<SEGMENT id="$reference" start="$start" stop="$stop" version="1.0">\n);
print qq(</SEGMENT>\n);
next;
}
my $s = $seq->start;
my $e = $seq->stop;
# use absolute coordinates -- people expect it
my $name = $seq->refseq;
print qq(<SEGMENT id="$name" start="$s" stop="$e" version="1.0">\n);
my @args = (-enumerate=>1);
push @args,(-types=>\@filter) if @filter;
my %histogram = $seq->types(@args);
foreach (keys %histogram) {
my ($method,$source) = split ':';
my $count = $histogram{$_};
my $category = transmute($_);
print qq(\t<TYPE id="$_" category="$category" method="$method" source="$source">$count</TYPE>\n)
unless $EXCLUDE{$_};
}
print qq(</SEGMENT>\n);
}
print <<END;
</GFF>
</DASTYPES>
END
}
# list of all the types
sub all_types {
my @methods = $DB->types;
ok_header();
my $url = get_url();
print <<END;
<?xml version="1.0" standalone="yes"?>
<!DOCTYPE DASTYPES SYSTEM "http://www.biodas.org/dtd/dastypes.dtd">
<DASTYPES>
<GFF version="1.2" summary="yes" href="$url">
<SEGMENT>
END
;
for my $id (@methods) {
next if $EXCLUDE{$id};
my $category = transmute($id);
my $method = $id->method;
my $source = $id->source;
print qq(\t<TYPE id="$id" category="$category" method="$method" source="$source" />\n);
}
print <<END
</SEGMENT>
</GFF>
</DASTYPES>
END
;
}
# Big time kludge -- just outputs the prebuilt stylesheet in this
# directory. Used primarily for testing.
sub stylesheet {
ok_header();
open my $STYLE, '<', "style.xml" or die "Could not read file 'style.xml': $!\n";
while(<$STYLE>) {
print $_;
}
close $STYLE;
}
# really, really bad shit
# calculate type and category from acedb type and method
sub transmute {
my $type = shift;
# look in $TYPE2CATEGORY first to see if we have an exact match
my $category = $TYPE2CATEGORY{$type};
return $category if $category;
# otherwise do a fuzzy match using the values of %TYPEOBJECTS
for my $typeobj (values %TYPEOBJECTS) {
warn "comparing $typeobj to $type";
if ($typeobj->match($type)) {
$category = $TYPE2CATEGORY{$typeobj}; # fetch category for this object
$TYPE2CATEGORY{$type} = $category; # remember this match for later
return $category;
}
}
return 'miscellaneous'; # no success
}
# -----------------------------------------------------------------
sub get_url {
my $url = url(-path=>1, -query=>1);
$url =~ tr/&/\;/;
return $url;
}
# -----------------------------------------------------------------
sub error_header {
my ($message,$code) = @_;
$code ||= 500;
# $code = "$code $ERRCODES{$code}";
print header(-type =>'text/plain',
-X_DAS_Version => $VERSION,
-X_DAS_Status => $code,
) unless $HEADER++;
return if request_method() eq 'HEAD';
print $message;
}
sub ok_header {
print header(-type =>'text/plain',
-X_DAS_Version => $VERSION,
-X_DAS_Status => "200 OK",
) unless $HEADER++;
}
# phony dtd
sub dtd {
ok_header();
print <<DTD;
<!-- phony dtd for debugging parsers -->
DTD
}
# -----------------------------------------------------------------
sub get_segments {
# extended segment argument
my @segments;
foreach (param('segment')) {
my ($ref,$start,$stop) = /^(\S+?)(?::(\d+),(\d+))?$/;
push @segments,[$ref,$start,$stop];
}
push @segments,[scalar param('ref'),scalar param('start'),scalar param('stop')] if param('ref');
return unless @segments;
foreach (@segments){
my ($reference,$start,$stop) = @$_;
my $class = param('entry_type') || 'Sequence';
my $name = $reference;
if ($reference =~ /^(\w+):(\S+)$/) {
$class = $1;
$name = $2;
}
my @values = ($name,$class,$start,$stop);
$_ = \@values;
}
return wantarray ? @segments : \@segments;
}
# -----------------------------------------------------------------
sub get_segment_obj {
my ($reference,$class,$start,$stop) = @_;
my @args = (-name=>$reference);
push @args,(-class=>$class) if defined $class;
push @args,(-start=>$start) if defined $start;
push @args,(-stop=>$stop) if defined $stop;
my $segment = $DB->segment(@args) or return;
return $segment;
}
# -----------------------------------------------------------------
sub make_categories {
my @filter;
for my $category (@_) {
my $c = lc $category;
push @filter,@{$CATEGORIES{$c}} if $CATEGORIES{$c};
push @filter,$category unless $CATEGORIES{$c};
}
return @filter;
}
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