小编wir*_*ext的帖子

如果我有一个YEAR和一个WEEK数字，从中构造一个干净的方法是DATE什么？如果一周中的某天可以是星期一，我会更喜欢。

我试图从亚马逊使用scrapy获取数据我可以用CSV获取数据但我无法在mysql数据库中插入数据请找到我的代码 我的蜘蛛是

import scrapy
from craigslist_sample.items import AmazonDepartmentItem
from scrapy.contrib.spiders import CrawlSpider, Rule
from scrapy.contrib.linkextractors import LinkExtractor

class AmazonAllDepartmentSpider(scrapy.Spider):

    name = "amazon"
    allowed_domains = ["amazon.com"]
    start_urls = [
        "http://www.amazon.com/gp/site-directory/ref=nav_sad/187-3757581-3331414"
    ]
    def parse(self, response):
        for sel in response.xpath('//ul/li'):
            item = AmazonDepartmentItem()
            item['title'] = sel.xpath('a/text()').extract()
            item['link'] = sel.xpath('a/@href').extract()
            item['desc'] = sel.xpath('text()').extract()
        return item

我的管道代码是

import sys
import MySQLdb
import hashlib
from scrapy.exceptions import DropItem
from scrapy.http import Request

class MySQLStorePipeline(object):


    host = 'rerhr.com'
    user = 'amazon'
    password = 'sads23'
    db = 'amazon_project' …