数据转化小案例

data = [
    {
    "url": "/user/",
    "group": 1,
    "action": "list"
},
    {
    "url": "/add/",
    "group": 1,
    "action": "add"
},

    {
    "url": "/role/",
    "group": 2,
    "action": "add"
}
]

dic = {}

for d in data:
    gid = d["group"]
    if not gid in dic:
        dic[gid] = {
            "urls": [d["url"],],
            "actions": [d["action"],]
        }
    else:
        dic[gid]["urls"].append(d["url"])
        dic[gid]["actions"].append(d["action"])
print(dic)
'''
{1:
 {'urls': ['/user/', '/add/'], 
 'actions': ['edit', 'add']}, 
 2: 
 {'urls': ['/role/'],
  'actions': ['add']}}
'''