本文整理匯總了Python中pool.Pool.from_file方法的典型用法代碼示例。如果您正苦於以下問題：Python Pool.from_file方法的具體用法？Python Pool.from_file怎麽用？Python Pool.from_file使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類pool.Pool的用法示例。
在下文中一共展示了Pool.from_file方法的2個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的Python代碼示例。
示例1: go
# 需要導入模塊: from pool import Pool [as 別名]
# 或者: from pool.Pool import from_file [as 別名]
def go(filename, max_size, use_donor_weight):
def edge_score_fun(e):
return 1# + (e.patient.weight - e.donor.weight)/999.0
sys.stdout.write(filename + "\t")
sys.stdout.write("1\t" if use_donor_weight else "0\t")
pool = Pool.from_file(filename)
pool.create_donor_patient_arcs(use_donor_weight)
sys.stdout.write(str(len(pool.patients)) + "\t")
unrestricted_obj_val, optimal_exchanges = pool.solve_uef(edge_score_fun)
sys.stdout.write(str(unrestricted_obj_val) + "\t")
obj_val = None
for i in range(2, max_size+1):
if obj_val==unrestricted_obj_val:
pass
elif i < 6:
obj_val, optimal_exchanges = pool.solve_cycle_formulation(i, edge_score_fun)
else:
obj_val, optimal_exchanges = pool.solve_eef(i, edge_score_fun)
sys.stdout.write(str(obj_val) + "\t")
sys.stdout.flush()
sys.stdout.write(str(pool.n_patients_with_2_compat_donors()) + "\n")示例2: start
# 需要導入模塊: from pool import Pool [as 別名]
# 或者: from pool.Pool import from_file [as 別名]
def start(filename, max_size):
pool = Pool.from_file(filename)
pool.create_donor_patient_arcs(True)
pool.show()
exchanges = pool.find_exchanges(max_size)
for exch in exchanges:
exch.show()
print "Number of exchanges: ", len(exchanges)
# Find out how many exchanges there are if two exchanges with the same
# set of patients are considered equal
unique_exch = set()
for exch in exchanges:
unique_exch.add(frozenset(e.patient for e in exch.edges))
print "....", len(unique_exch)
def edge_score_fun(e):
return 1 # + (e.patient.weight - e.donor.weight)/999.0
print "Optimal exchanges with restricted cycle size (cycle formulation):"
obj_val, optimal_exchanges = pool.solve_cycle_formulation(max_size, edge_score_fun)
print obj_val
for exch in optimal_exchanges:
exch.show()
print "Optimal exchanges with restricted cycle size:"
obj_val, optimal_exchanges = pool.solve_eef(max_size, edge_score_fun)
print obj_val
for exch in optimal_exchanges:
exch.show()
print "Optimal exchanges with unrestricted cycle size:"
obj_val, optimal_exchanges = pool.solve_uef(edge_score_fun)
print obj_val
for exch in optimal_exchanges:
exch.show()
print "Number of patients with 2 compatible paired donors:"
print pool.n_patients_with_2_compat_donors()
# TODO: put this in a unit test
print pool.solve_eef(1, lambda e: 1)[0] / 2