本文整理汇总了Python中models.Order.to_json方法的典型用法代码示例。如果您正苦于以下问题：Python Order.to_json方法的具体用法？Python Order.to_json怎么用？Python Order.to_json使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类models.Order的用法示例。
在下文中一共展示了Order.to_json方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: optimize_shipping
# 需要导入模块: from models import Order [as 别名]
# 或者: from models.Order import to_json [as 别名]
def optimize_shipping():
"""
"""
def make_combinations(items):
"""
makes all possible combinations to the length of the origin input
"""
def inner(items, r):
"""
recursively yields partitioned remainders of original partition lists
"""
items = set(items)
if not len(items):
yield ()
return
first = next(iter(items))
remainder = items.difference((first, ))
for combination in combinations(remainder, r-1):
first_subset = (first, ) + combination
for partition in inner(remainder.difference(combination), r):
yield (first_subset, ) + partition
def outter(items, r):
"""
combines partition lists
"""
items = set(items)
for i in range(len(items), -1, -r):
if i == 0:
for partition in inner(items, r):
yield partition
elif i != r:
for combination in combinations(items, i):
for partition in inner(items.difference(combination), r):
yield partition + (combination, )
# step through length of origin combination partitions to ensure full list
for i in range(1, len(items)):
gen = outter(items, i)
for row in gen:
yield row
# get posted json
data = json.loads(request.data)
# pull zipcode
zipcode = data['zip']
# create items
regular, irregular = [], []
for item in data['items']:
qty = item['qty']
del item['qty']
for __ in xrange(qty):
if 'is_irregular' in item:
if item['is_irregular']:
irregular.append(Item(**item))
else:
regular.append(Item(**item))
else:
regular.append(Item(**item))
# process irregular items
irregular_boxes = []
for item in irregular:
box = Box()
box.items.append(item)
cost = get_irregular_price(zipcode, box.weight)
box.shipping_method = 'UPS Ground'
box.shipping_cost = cost
irregular_boxes.append(box)
# process regular items
if len(regular):
if len(regular) == 1:
box = Box()
box.items.extend(regular)
method, cost = get_cheapest_option(zipcode, box.weight)
box.shipping_method = method
box.shipping_cost = cost
order = Order()
order.boxes.append(box)
# add irregular boxes to order
order.boxes.extend(irregular_boxes)
return str(order.to_json())
else: # create orders/bundles from items combinations
orders = []
for combination in make_combinations(regular): # full tuple of tuples of items. ex: ( (one,two), (three,) )
order = Order()
for grouping in combination: # tuple of items. ex (one,two) from above
box = Box()
# add items to the box
box.items.extend(grouping)
# get cheapest shipping option for this box
method, cost = get_cheapest_option(zipcode, box.weight)
box.shipping_method = method
box.shipping_cost = cost
#.........这里部分代码省略.........