https://www.v2ex.com/t/313225 抽奖脚本

v2ex.py

#coding=utf-8
import re
from collections import defaultdict
from datetime import datetime

import requests

# https://github.com/livid/v2ex/blob/master/api.py#L247
url = 'https://www.v2ex.com/api/replies/show.json'
rs = requests.get(url, params={'topic_id': 313225, 'page': 11})

regex = re.compile(r'(\d){2}')

number_map = defaultdict(list)
members = []
COUNT = 4
END_TIMESTAMP =int(datetime(2016, 10, 20).strftime('%s'))

for index, r in enumerate(rs.json()):
    created = r['created']
    if created >= END_TIMESTAMP:
        break
    content = r['content']
    match = regex.search(content)
    if not match:
        continue
    number = match.group()
    content = content.replace(number, '', 1)
    if regex.search(content):
        continue

    member_id = r['member']['id']
    if member_id not in members:
        members.append(member_id)
        floor = index + 1
        number_map[int(number)].append((member_id, r['member']['username'],
                                        floor, number,
                                        str(datetime.fromtimestamp(created))))

number = int(raw_input('输入幸运数字❯ '))

values = number_map.get(number, [])
if not len(values) >= COUNT:
    offset = 1
    while 1:
        values += sorted([number_map.get(number + o, [])
                          for o in (offset, -offset)],
                         lambda x: x[1])
        if len(values) > COUNT:
            break
        offset += 1
values = values[:COUNT]

print '\n如下{}位同学获得《Python Web开发实战》:\n'.format(COUNT)

for val in values:
    print ('用户ID: {:>6}\t昵称: {:>13}\t楼层: {:>4}\t参与数字: {:>2}\t'
           '参与时间：{}').format(*val)

执行结果：

❯ python v2ex.py
输入幸运数字❯ 84

如下3位同学获得《Python Web开发实战》:

用户ID: 125050    昵称:     zjb861107   楼层:  682    参与数字: 84    参与时间：2016-10-17 13:58:40
用户ID: 171753    昵称:       juyulin   楼层:  908    参与数字: 84    参与时间：2016-10-17 21:21:26
用户ID: 163669    昵称:  DarkAlexWang   楼层:  982    参与数字: 84    参与时间：2016-10-18 01:57:31