You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
 

89 lines
4.1 KiB

import scrapy
from uuid import uuid4
import re
from demo1.custom_settings_conf import *
from demo1.items import Shouyelianjie
from scrapy.utils.project import get_project_settings
from scrapy.spiders import CrawlSpider, Rule
from scrapy.linkextractors import LinkExtractor
import pymysql
import logging
import json
import time
from lxml import etree
from urllib import parse
from demo1.Util import Util_WANG
#山西省工业和信息厅
class sxsshangwutingSpider(scrapy.Spider,Util_WANG):
name = 'sxgongxintingSpider'
settings = get_project_settings()
allowed_domains = ['gxt.shanxi.gov.cn']
custom_settings = custom_settings_conf_sxgongxintingSpider
start_urls = ['http://gxt.shanxi.gov.cn/web/cateList.html?id=26&word=&pageIndex=1']
def __init__(self, name=None, **kwargs):
self.db = pymysql.connect(
host=self.settings['MYSQL_HOST'],
database=self.settings['MYSQL_DATABASE'],
user=self.settings['MYSQL_USER'],
password=self.settings['MYSQL_PASSWORD'],
port=3306,
charset='utf8',
cursorclass=pymysql.cursors.DictCursor,
use_unicode=True
)
self.cursor = self.db.cursor()
def parse(self, response):
lis=response.xpath('//*[@class="zwgk-ul"]/li[not(@style)]')
for li in lis:
item=Shouyelianjie()
item['laiyuan']='山西省工业和信息厅'
item['lianjie']=response.urljoin( li.xpath('./a/@href').extract_first())
shijian=li.xpath('./i/text()').extract_first()
item['shijian']=datetime.datetime.strptime(shijian,'%Y-%m-%d %H:%M:%S').strftime('%Y-%m-%d')
item['biaoti']=li.xpath('./a/text()').extract_first()
#测试用得
#item['lianjie']='http://gxt.shanxi.gov.cn/web/content.html?id=1511'
if not self.settings.get("ISQUANPA"):
self.cursor.execute(
'select count(title_url) as nums FROM t_policy where title_url ="{}"'.format(item['lianjie']))
res = self.cursor.fetchall()[0].get('nums')
if res == 0:
if Util_WANG.pos_url(item, self.settings):
yield item
else:
yield scrapy.Request(url=item['lianjie'], meta={'item': item}, callback=self.page_url)
else:
logging.info('这个链接已经爬过了-----:' + item['lianjie'])
else:
if Util_WANG.pos_url(item, self.settings):
yield item
else:
yield scrapy.Request(url=item['lianjie'], meta={'item': item}, callback=self.page_url)
if self.settings.get("ISQUANPA"):
try:
next_page=response.urljoin(response.xpath('//a[contains(text(),"下一页")]/@href').extract_first())
# if curry_page < count_page:
# urls = 'https://www.mct.gov.cn/whzx/ggtz/index_' + str(curry_page) + '.htm'
# yield scrapy.Request(url=urls, callback=self.parse)
current_url=response.url
if next_page!=current_url:
yield scrapy.Request(url=next_page, callback=self.parse)
except Exception as e:
logging(e)
logging.info('因为异常:全部爬取完毕')
else:
logging.info('全部爬取完毕')
def page_url(self,response):
item=response.meta['item']
item['xiangqing']=response.xpath('//*[contains(@class,"textbody")]').extract_first()
wenjiande=response.xpath('//*[@class="attachment"]').extract_first()
if wenjiande is not None:
item['xiangqing']+=wenjiande
self.tihuan_a_return(item, self.settings.get('FILE_PATH'), response)
self.tihuan_img_return(item, self.settings.get('MESSAGE'), response)
yield item
def a_fun(self,href):
pass
def img_fun(self, src):
pass