From 67a87ec7d654131701581dce88cb278e304b2a67 Mon Sep 17 00:00:00 2001
From: Jeff Hammerbacher <jeff.hammerbacher@gmail.com>
Date: Fri, 25 Mar 2016 18:58:09 -0400
Subject: [PATCH] Add Genome.contigs. Fixes #140.

---
 pyensembl/genome.py | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/pyensembl/genome.py b/pyensembl/genome.py
index 4da5c51..737ade6 100644
--- a/pyensembl/genome.py
+++ b/pyensembl/genome.py
@@ -560,6 +560,18 @@ def locus_of_exon_id(self, exon_id):
         """
         return self.db.query_locus("exon_id", exon_id, feature="exon")
 
+    ###################################################
+    #
+    #                  Contigs
+    #
+    ###################################################
+    @memoize
+    def contigs(self):
+      """
+      Returns all contigs ("seqname") for all genes
+      """
+      return self.db.query_feature_values("seqname", "gene")
+
     ###################################################
     #
     #             Gene Info Objects