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finishline.py
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#!/usr/bin/env python
# -*- coding: utf-8 -*-
import helper
import re
import qiniuUploader
import mongo
import os
import time
from threading import Thread
try:
from queue import Queue
except ImportError:
from Queue import Queue
error_detail_url = {}
class PageSpider(Thread):
def __init__(self, url, count, q, error_page_url_queue, post_body, gender):
# 重写写父类的__init__方法
super(PageSpider, self).__init__()
self.url = url
self.count = count
self.q = q
self.error_page_url_queue = error_page_url_queue
self.post_body = post_body
self.post_body['No'] = str(count)
self.gender = gender
self.headers = {
'origin': 'https://www.finishline.com',
'referer': 'https://www.finishline.com/store/men/shoes/_/N-1737dkj?mnid=men_shoes&Ns=sku.bestSeller%7C1&sort=sort%3Abest%20sellers%0A%20',
'user-agent': 'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_12_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/65.0.3325.181 Safari/537.36 OPR/52.0.2871.40',
'x-requested-with': 'XMLHttpRequest',
'accept': '*/*',
'accept-encoding': 'gzip, deflate, br',
'accept-language': 'zh-CN,zh;q=0.9',
'content-length': '0'
}
def run(self):
pattern = re.compile(r'<div\sclass="product\-card"\sid="\w+"\sdata\-prodid="\w+"\sdata\-productid="\w+"\sdata\-baseurl="[\/\w\-\?]*">\s+<a\sid="\w+"\shref="[\/\w\-\?&=]*"')
try:
html = helper.post(self.url, self.post_body, {
'origin': 'https://www.finishline.com',
'referer': 'https://www.finishline.com/store/men/shoes/_/N-1737dkj?mnid=men_shoes&Ns=sku.bestSeller%7C1&sort=sort%3Abest%20sellers%0A%20',
'user-agent': 'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_12_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/65.0.3325.181 Safari/537.36 OPR/52.0.2871.40',
'x-requested-with': 'XMLHttpRequest',
'accept': '*/*',
'accept-encoding': 'gzip, deflate, br',
'accept-language': 'zh-CN,zh;q=0.9',
'content-length': '0'
}, returnText=True)
str_arr = pattern.findall(html)
for s in str_arr:
self.q.put('https://www.finishline.com%s' % s.split(' href="')[1].replace('"', ''))
except:
helper.log('[ERROR] => ' + self.url, 'finishline')
self.error_page_url_queue.put({'url': self.url, 'count': self.count, 'post_body': self.post_body, 'gender': self.gender})
class GoodsSpider(Thread):
def __init__(self, url, gender, q, crawl_counter):
# 重写写父类的__init__方法
super(GoodsSpider, self).__init__()
self.url = url
self.gender = gender
self.q = q
self.crawl_counter = crawl_counter
self.headers = {
'User-Agent': 'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36 OPR/54.0.2952.71',
'accept-encoding': 'gzip, deflate, br',
'accept-language': 'en-US,en;q=0.9',
'origin': 'https://www.finishline.com',
'referer': 'https://www.finishline.com/store/men/shoes/_/N-1737dkj?mnid=men_shoes&Ns=sku.bestSeller%7C1&sort=sort%3Abest%20sellers%0A%20',
'x-requested-with': 'XMLHttpRequest',
'accept': '*/*',
'content-length': '0'
}
def run(self):
'''
解析网站源码
'''
time.sleep(2)
try:
pq = helper.get(self.url, myHeaders=self.headers)
# 款型名称
name = pq('input.bVProductName').attr('value')
# 配色的编号
span = pq('div#styleColors span.styleColorIds')
number = span.text().strip().replace('- ', '')
number = re.sub(re.compile(r'\s'), ' ', number)
number = ''.join(number.split())
span = pq('div#productPrices span')
price = span.text().replace('$', '').split(' ')[0]
try:
price = float(price)
except:
price = 0.0
aria_label_list = pq('div#productSizes button')
# size_price_arr = [{'size': float(re.compile(r'\d+\.[05]').findall(a.get('aria-label'))[0]), 'price': price, 'isInStock': 'unavailable' not in a.get('aria-label')} for a in aria_label_list]
size_price_arr = [{'size': a.get('aria-label'), 'price': price, 'isInStock': 'unavailable' not in a.get('aria-label')} for a in aria_label_list]
# 下载图片
img_downloaded = is_pending_goods_img_downloaded
if not img_downloaded:
img_list = pq('div.pdp-image')
img_url = 'https:' + (img_list[2].get('data-large') if len(img_list) > 2 else img_list[-1].get('data-large'))
result = helper.downloadImg(img_url, os.path.join('.', 'imgs', 'finishline', '%s.jpg' % number))
if result == 1:
# 上传到七牛
qiniuUploader.upload_2_qiniu('finishline', '%s.jpg' % number, './imgs/finishline/%s.jpg' % number)
img_downloaded = True
mongo.insert_pending_goods(name, number, self.url, size_price_arr, ['%s.jpg' % number], self.gender, '', 'finishline', '5ac8594e48555b1ba31896ba', self.crawl_counter, img_downloaded=img_downloaded)
except:
global error_detail_url
error_counter = error_detail_url.get(self.url, 1)
error_detail_url[self.url] = error_counter + 1
helper.log('[ERROR] error timer = %s, url = %s' % (error_counter, self.url), 'finishline')
if error_counter < 3:
self.q.put(self.url)
def fetch_page(url_list, gender, q, error_page_url_queue, post_body, crawl_counter):
page_thread_list = []
# 构造所有url
for url in url_list:
# 创建并启动线程
time.sleep(1.2)
page_spider = PageSpider(url.get('url'), url.get('count'), q, error_page_url_queue, post_body, gender)
page_spider.start()
page_thread_list.append(page_spider)
for t in page_thread_list:
t.join()
goods_thread_list = []
while True:
queue_size = q.qsize()
if queue_size > 0:
# 每次启动5个抓取商品的线程
for i in range(5 if queue_size > 5 else queue_size):
goods_spider = GoodsSpider(q.get(), gender, q, crawl_counter)
goods_spider.start()
goods_thread_list.append(goods_spider)
for t in goods_thread_list:
t.join()
goods_thread_list = []
else:
break
def start(action):
if action == 'common':
crawl_counter = mongo.get_crawl_counter('finishline')
# 创建一个队列用来保存进程获取到的数据
q = Queue()
# 有错误的页面链接
error_page_url_queue = Queue()
total_page = 35
base_url = 'https://www.finishline.com/store/men/shoes/_/N-1737dkj?mnid=men_shoes&Ns=sku.daysAvailable%7C0&isAjax=true&No='
fetch_page([{'url': base_url + str((page - 1) * 40), 'count': (page - 1) * 40} for page in range(1, total_page + 1)], 1, q, error_page_url_queue, {
'mnid': 'men_shoes',
'Ns': 'sku.bestSeller | 1',
'isAjax': 'true'
}, crawl_counter)
total_page = 23
base_url = 'https://www.finishline.com/store/women/shoes/_/N-1hednxh?mnid=women_shoes&isAjax=true&No='
fetch_page([{'url': base_url + str((page - 1) * 40), 'count': (page - 1) * 40} for page in range(1, total_page + 1)], 2, q, error_page_url_queue, {
'mnid': 'women_shoes',
'isAjax': 'true',
}, crawl_counter)
# 处理出错的链接
while not error_page_url_queue.empty():
error_page_url_list = []
while not error_page_url_queue.empty():
error_page_url_list.append(error_page_url_queue.get())
error_page_men_url_list = [{'url': url_data.get('url'), 'count': url_data.get('count')} for url_data in error_page_url_list if url_data.get('gender') == 1]
fetch_page([{'url': url_data.get('url'), 'count': url_data.get('count')} for url_data in error_page_men_url_list], 1, q, error_page_url_queue, {
'mnid': 'men_shoes',
'Ns': 'sku.bestSeller | 1',
'isAjax': 'true'
}, crawl_counter)
error_page_women_url_list = [{'url': url_data.get('url'), 'count': url_data.get('count')} for url_data in error_page_url_list if url_data.get('gender') == 2]
fetch_page([{'url': url_data.get('url'), 'count': url_data.get('count')} for url_data in error_page_women_url_list], 2, q, error_page_url_queue, {
'mnid': 'women_shoes',
'isAjax': 'true',
}, crawl_counter)
helper.log('done', 'finishline')