Add missing coveralls runner

run_coveralls.py

@@ -0,0 +1,34 @@
+#!/bin/env/python
+
+import os
+
+try:
+    from contextlib import suppress
+except ImportError:
+    from contextlib import contextmanager
+    @contextmanager
+    def suppress(*exceptions):
+        try:
+            yield
+        except exceptions:
+            pass
+
+from distutils.sysconfig import get_python_lib
+from subprocess import call
+
+
+if __name__ == '__main__':
+    # chdir to the site-packages directory so the report lists relative paths
+    dot_coverage_path = os.path.join(os.getcwd(), '.coverage')
+    os.chdir(get_python_lib())
+    with suppress(OSError):
+        os.remove('.coverage')
+    os.symlink(dot_coverage_path, '.coverage')
+
+    # create a report from the coverage data
+    if 'TRAVIS' in os.environ:
+        rc = call('coveralls')
+        raise SystemExit(rc)
+    else:
+        rc = call(['coverage', 'report'])
+        raise SystemExit(rc)