Overlap queries

CHANGELOG.md

@@ -2,6 +2,10 @@
 All notable changes to this project will be documented in this file.
 This project adheres to [Semantic Versioning](http://semver.org/).
 
+## [0.3.1] - 2017-02-02
+### Fixed
+- Range overlap queries accidentally left out of the previous release.
+
 ## [0.3.0] - 2017-02-02
 ### Added
 - New convenience functions in the `Range` and `Feature` classes for range and

tag/feature.py

@@ -468,6 +468,10 @@ def cdslen(self):
 
         return sum([len(c) for c in self.children if c.type == 'CDS'])
 
+    def overlap(self, rng):
+        """Report whether this feature overlaps with the specified range."""
+        return self._range.overlap(rng)
+
     def contains(self, rng):
         """Report whether this feature contains the specified range."""
         return self._range.contains(rng)

tests/test_feature.py

@@ -154,6 +154,8 @@ def test_region():
     assert f1.start == 999 and f1.end == 2000
     assert f1.contains(Range(1500, 1600))
     assert f1.contains_point(5) is False
+    assert f1.overlap(Range(2000, 2001)) is False
+    assert f1.overlap(Range(1999, 2001)) is True
 
     gff3 = ['contig5', 'vim', 'mRNA', '500', '2500', '.', '+', '.',
             'ID=t1;Parent=g1']