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fix missing headways fixed

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This commit is contained in:
Sanj 2012-03-30 20:19:10 +05:30
parent b48f2ddb3d
commit cea31844d7
1 changed files with 55 additions and 40 deletions
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95
chaloBEST/imports/fix_missing_atlas_data.py
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@ -143,8 +143,6 @@ def fix_missing_runtimes():
hcolumns = ["headway%d" % n for n in range(1,6)]
def fix_missing_headways():
for schedule in RouteSchedule.objects.all():
@ -154,14 +152,14 @@ def fix_missing_headways():
# guestimate the schedules of partial subroutes
related_routes = related_schedules = []
related_subroutes = list(schedule.unique_route.route.uniqueroute_set.all())
# the main inner loop: for each headway column ---
for col_idx, column in enumerate(hcolumns):
# if the headway is set, AWESOME, bail
if getattr(schedule, column): continue
# try to use the previous column....if available
if getattr(schedule, column): continue
#if getattr(schedule, column): continue
if col_idx > 0:
prev_headway = getattr(schedule, columns[col_idx-1])
if prev_headway:
@ -175,6 +173,15 @@ def fix_missing_headways():
setattr(schedule, column, next_headway)
continue
#try any headway in the current row:
for hcol in hcolumns:
headway = getattr(schedule, hcol)
if headway:
setattr(schedule, column, headway)
break
if getattr(schedule, column):
continue
# otherwise, go through the other schedules for this subroute and
# see if we get a matching headway -- if so, use it
for sibling in sibling_schedules:
@ -183,43 +190,51 @@ def fix_missing_headways():
setattr(schedule, column, sibling_headway)
# print "OK fix_missing_headways: %s %s fixed to %s" % (schedule, column, sibling)
break
if getattr(schedule, column): continue
# otherwise, go through the matching schedules for the full-length versions of this
# route and extrapolate the headway.
if related_subroutes:
# first, try to get the schedules for the full routes, given the same schedule type
related_schedules = []
for related_route in related_subroutes:
related_schedules += list(related_route.routeschedule_set.filter(schedule_type=schedule.schedule_type))
# iterate over them and see if we got one with the right headway
for related_schedule in related_schedules:
related_headway = getattr(related_schedule, column)
if related_headway:
# if so, compute the partial headway of this schedule as the (possibly > 1.0) fraction of headway of the other schedule by distance
partial_headway = related_headway*float(schedule.unique_route.distance)/float(related_schedule.unique_route.distance)
# print "OK fix_missing_headways: %s %s adjusted to parent %s" % (schedule, column, related_schedule)
setattr(schedule, column, partial_headway)
break_loop = False
for sibling in sibling_schedules:
if break_loop:
break
for hcol in hcolumns:
headway = getattr(sibling, hcol)
if headway:
setattr(schedule, column, headway)
break_loop = True
break
# did we find a headway? great, use it
if getattr(schedule, column): continue
# failing that, try to get the schedules for the full routes, with ANY schedule type
for related_route in related_subroutes:
related_schedules += list(related_route.routeschedule_set.all())
# iterate over them and see if we got one with the right headway
for related_schedule in related_schedules:
related_headway = getattr(related_schedule, column)
if related_headway:
# if so, compute the partial headway of this schedule as the (possibly > 1.0) fraction of headway of the other schedule by distance
partial_headway = related_headway*float(schedule.unique_route.distance)/float(related_schedule.unique_route.distance)
# print "OK fix_missing_headways: %s %s adjusted to parent %s" % (schedule, column, related_schedule)
setattr(schedule, column, partial_headway)
if getattr(schedule, column):
continue
break_loop = False
for r in related_subroutes:
if break_loop:
break
for related_schedule in r.routeschedule_set.all():
if break_loop:
break
for hcol in hcolumns:
headway = getattr(related_schedule, hcol)
if break_loop:
break
if headway:
setattr(schedule, column, headway)
break_loop = True
break
if getattr(schedule, column):
continue
if not getattr(schedule, column):
print Exception("All failed for schedule with id %d" % schedule.id)
'''
if column != "headway5":
print Exception("ERR fix_missing_headways: %s STILL missing %s!" % (schedule, column))
'''