# HG changeset patch
# User Paul Boddie <paul@boddie.org.uk>
# Date 1508453486 -7200
# Node ID ed7239f61458c47693bcd5e5ebb4f101405c30ee
# Parent  2b0d3d4eff2129d51d0d05119fc659fce21850e0
Permit a different start index when obtaining form-encoded periods.

diff -r 2b0d3d4eff21 -r ed7239f61458 imipweb/data.py
--- a/imipweb/data.py	Fri Oct 20 00:48:38 2017 +0200
+++ b/imipweb/data.py	Fri Oct 20 00:51:26 2017 +0200
@@ -104,7 +104,8 @@
                               end_enabled_name, times_enabled_name,
                               origin=None, origin_name=None,
                               replacement_name=None, cancelled_name=None,
-                              recurrenceid_name=None, tzid=None):
+                              recurrenceid_name=None, tzid=None,
+                              start_index=0):
 
     """
     Return period values from fields found in 'args' prefixed with the given
@@ -152,7 +153,8 @@
     periods = []
 
     for index, (start, end, found_origin, recurrenceid) in \
-        enumerate(map(None, all_starts, all_ends, all_origins, all_recurrenceids)):
+        enumerate(map(None, all_starts, all_ends, all_origins, all_recurrenceids),
+                  start_index):
 
         # Obtain period settings from separate controls.