Add plumbing to update next concert on the frontpage

1 files changed, 11 insertions, 0 deletions

diff --git a/helpers.py b/helpers.py
index e3ce938..e5c089f 100644
--- a/helpers.py
+++ b/helpers.py
@@ -135,6 +135,17 @@ def read_concerts(filename):
         return tuple(sorted(concerts, key=attrgetter('time')))
 
 
+def split_concerts(concerts, threshold):
+    cutoff = len(concerts)
+
+    for i, c in enumerate(concerts):
+        if c.time > threshold:
+            cutoff = i
+            break
+
+    return reversed(concerts[:cutoff]), concerts[cutoff:]
+
+
 _TOUCHUPS = (
     (re.compile('([0-9])(st|nd|rd|th|er|ère|nde|ème)'), r'\1<sup>\2</sup>'),
     (re.compile('<(https?://[^ ]+)>'), r'<a href="\1" target="_blank">\1</a>'),