1 files changed, 15 insertions, 0 deletions
diff --git a/bleach/callbacks.py b/bleach/callbacks.py
new file mode 100644
index 0000000..cc4682d
--- /dev/null
+++ b/bleach/callbacks.py
@@ -0,0 +1,15 @@
+"""A set of basic callbacks for bleach.linkify."""
+
+
+def nofollow(attrs, new=False):
+    if attrs['href'].startswith('mailto:'):
+        return attrs
+    attrs['rel'] = 'nofollow'
+    return attrs
+
+
+def target_blank(attrs, new=False):
+    if attrs['href'].startswith('mailto:'):
+        return attrs
+    attrs['target'] = '_blank'
+    return attrs