import cpan-explorer master

1 files changed, 102 insertions, 0 deletions

diff --git a/generate_full_gexf.pl b/generate_full_gexf.pl
new file mode 100644
index 0000000..aceba7c
--- /dev/null
+++ b/generate_full_gexf.pl
@@ -0,0 +1,102 @@
+#!/usr/bin/perl
+use strict;
+use warnings;
+use DBI;
+
+#################################################
+my $mode = "date";
+my $input = 'testers.db';
+my $output = "cpan_full_with_".$mode.".gexf";
+################################################
+
+open(OUTPUT,">",$output);
+print OUTPUT
+"<gexf version=\"1.0\">\n\t<meta>\n\t\t<creator>rtgi</creator>\n\t</meta>
+\t<graph type=\"dynamic\">
+\t\t<attributes class=\"node\" type=\"dynamic\">
+\t\t\t<attribute id=\"0\" title=\"dname\" type=\"string\"/>
+\t\t\t<attribute id=\"1\" title=\"vname\" type=\"string\"/>
+\t\t\t<attribute id=\"2\" title=\"version\" type=\"string\"/>
+\t\t\t<attribute id=\"3\" title=\"dtype\" type=\"string\"/>
+\t\t</attributes>\n";
+
+my @drivers = DBI->available_drivers();
+die "Error, please install DBI::SQLite"
+    unless (grep { $_ eq "SQLite" } @drivers);
+my $dbh = DBI->connect("dbi:SQLite:dbname=$input","","",
+                       { AutoCommit => 0,
+                         PrintError => 1 });
+
+print OUTPUT "\t\t<nodes>";
+
+my $minimalDate = "0";
+if ($mode eq "date") {
+    $minimalDate = "1997-01-01";
+}
+print OUTPUT "\n\t\t\t<node id=\"0\" label=\"Perl 5\" pid=\"0\" ".$mode."from=\"".$minimalDate."\">
+\t\t\t\t<attvalue id=\"0\" value=\"Perl\"/>
+\t\t\t\t<attvalue id=\"1\" value=\"Perl\"/>
+\t\t\t\t<attvalue id=\"2\" value=\"5\"/>
+\t\t\t</node>";
+
+my $distrib_query =
+ "select id, dist, package, vname, version, released from dist order by dist";
+
+my $sth = $dbh->prepare($distrib_query);
+$sth->execute;
+if ($dbh->err()) { die "$DBI::errstr\n"; }
+
+my $distributions = {};
+my $n = 0;
+while (my ($id, $dname, $package, $vname, $version, $date) = $sth->fetchrow) {
+    my $from = "0";
+    $vname = $dname unless $version;
+    $version = 0 unless $version;
+	 $date = "1997-01-01 00:00:00" unless $date;
+    if ($mode eq "date") {
+        # day-based epoch
+        $date = substr($date, 0, 10);
+    } elsif ($mode eq "step") {
+        # day-based epoch
+        $date = (int(substr($date, 0, 4))-1996) * 365
+              + int(substr($date, 5, 2)) * 31
+              + int(substr($date, 8, 2));  
+    }
+
+    $distributions->{$id} = $date;
+
+    print OUTPUT "
+\t\t\t<node id=\"$id\" label=\"$vname\" pid=\"0\" ".$mode."from=\"$date\">
+\t\t\t\t<attvalue id=\"0\" value=\"$dname\"/>
+\t\t\t\t<attvalue id=\"1\" value=\"$vname\"/>
+\t\t\t\t<attvalue id=\"2\" value=\"$version\"/>
+\t\t\t</node>";
+
+    $n++;
+}
+
+$sth->finish;
+
+print "\nfetched $n distributions.\n\n";
+print OUTPUT "\n\t\t</nodes>\n\t\t<edges>";
+my $prereq_query =
+ "select id, dist, requires, in_dist from prereq order by dist";
+
+$sth = $dbh->prepare($prereq_query);
+$sth->execute;
+if ($dbh->err()) { die "$DBI::errstr\n"; }
+
+my $e = 0;
+while (my ($id, $source_id, $target_dname, $target_id) = $sth->fetchrow) {
+    $target_id = 0 unless $target_id;
+    my $from = $distributions->{$target_id};
+    print OUTPUT "
+\t\t\t<edge cardinal=\"1\" id=\"$id\" source=\"$source_id\" target=\"$target_id\" type=\"dir\" ".$mode."from=\"$from\">
+\t\t\t\t<attvalue id=\"3\" value=\"prereq\"/>
+\t\t\t</edge>";
+    $e++;
+}
+
+$sth->finish;
+print OUTPUT "\n\t\t</edges>\n\t</graph>\n</gexf>";
+$dbh->disconnect;