handling hierarchical song data

selection of view

1 files changed, 5 insertions, 0 deletions

diff --git a/misc.py b/misc.py
index 4243c71..3f26df8 100644
--- a/misc.py
+++ b/misc.py
@@ -14,6 +14,11 @@ def sec2min(secs):
 	if sec<10:sec='0'+str(sec)
 	return str(min)+':'+str(sec)
 
+def unique(seq):
+	"""Retrieve list of unique elements."""
+	seen = []
+	return t(c for c in seq if not (c in seen or seen.append(c)))
+
 class Button(QtGui.QPushButton):
 	"""A simple Button class which calls $onClick when clicked."""
 	def __init__(self, caption, onClick=None, parent=None):