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test_dict.py
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141 lines (123 loc) · 2.88 KB
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# encoding: utf-8
"""
将两个list组合为dict
"""
__author__ = 'zhanghe'
import itertools
import json
def test_01():
"""
key value 数量相等
"""
list_a = ['a', 'b', 'c']
list_b = ['10', '20', '30']
print dict(zip(list_a, list_b))
print dict(zip(list_a[::-1], list_b))
def test_02():
"""
key 数量小于 value
"""
list_a = ['a', 'b', 'c']
list_b = ['10', '20', '30', '50']
print dict(zip(list_a, list_b))
print dict(zip(list_a[::-1], list_b))
def test_03():
"""
key 数量大于 value
"""
list_a = ['a', 'b', 'c', 'd']
list_b = ['10', '20', '30']
print dict(zip(list_a, list_b))
print dict(zip(list_a[::-1], list_b))
def test_group():
"""
测试分组
"""
a = [
{
"update_time": "2016-08-17 13:51:54",
"name": "尺寸",
"value": "小",
"create_time": "2016-08-17 13:51:54",
"id": 1,
"product_id": 1
},
{
"update_time": "2016-08-17 13:51:54",
"name": "尺寸",
"value": "大",
"create_time": "2016-08-17 13:51:54",
"id": 2,
"product_id": 1
},
{
"update_time": "2016-08-17 13:51:54",
"name": "颜色",
"value": "蓝",
"create_time": "2016-08-17 13:51:54",
"id": 3,
"product_id": 1
},
{
"update_time": "2016-08-17 13:51:54",
"name": "颜色",
"value": "绿",
"create_time": "2016-08-17 13:51:54",
"id": 4,
"product_id": 1
},
{
"update_time": "2016-08-17 13:51:55",
"name": "颜色",
"value": "红",
"create_time": "2016-08-17 13:51:55",
"id": 5,
"product_id": 1
}
]
result = dict([(g, [i['value'] for i in list(k)]) for g, k in itertools.groupby(a, lambda x: x['name'])])
print json.dumps(result, indent=4, ensure_ascii=False)
result = [({'name': g, 'value': [i['value'] for i in list(k)]}) for g, k in itertools.groupby(a, lambda x: x['name'])]
print json.dumps(result, indent=4, ensure_ascii=False)
if __name__ == '__main__':
test_01()
test_02()
test_03()
test_group()
"""
测试结果：
{'a': '10', 'c': '30', 'b': '20'}
{'a': '30', 'c': '10', 'b': '20'}
{'a': '10', 'c': '30', 'b': '20'}
{'a': '30', 'c': '10', 'b': '20'}
{'a': '10', 'c': '30', 'b': '20'}
{'c': '20', 'b': '30', 'd': '10'}
{
"尺寸": [
"小",
"大"
],
"颜色": [
"蓝",
"绿",
"红"
]
}
[
{
"name": "尺寸",
"value": [
"小",
"大"
]
},
{
"name": "颜色",
"value": [
"蓝",
"绿",
"红"
]
}
]
"""