def greedy_val(task):
name, order = task
from pygrout import VrptwSolution, VrptwTask, build_first
VrptwTask.sort_order = order
sol = VrptwSolution(VrptwTask(name))
build_first(sol)
return sol.val()
def mfsavings_val(task):
"""The mapping function for savings heuristic."""
name, waitlimit, mi = task
from pygrout import VrptwSolution, VrptwTask, build_by_mfsavings
print "Should process", name
sol = VrptwSolution(VrptwTask(name))
build_by_mfsavings(sol, waitlimit, mi)
return sol.val()