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nike.py
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#!/usr/bin/env python
# -*- coding: utf-8 -*-
import helper
import re
import qiniuUploader
import mongo
import os
import time
import math
import random
import json
from threading import Thread
try:
from queue import Queue
except ImportError:
from Queue import Queue
from pyquery import PyQuery
platform = 'nike'
error_detail_url = {}
class PageSpider(Thread):
def __init__(self, url, q, error_page_url_queue, gender):
# 重写写父类的__init__方法
super(PageSpider, self).__init__()
self.url = url
self.q = q
self.error_page_url_queue = error_page_url_queue
self.gender = gender
self.headers = {'User-Agent': 'Mozilla/5.0'}
def run(self):
try:
txt = helper.get(self.url, myHeaders=self.headers, returnText=True)
json_data = json.loads(txt)
item_list = json_data.get('sections')[0].get('items')
for item_data in item_list:
self.q.put(item_data.get('pdpUrl'))
except Exception as e:
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), platform)
helper.log(e, platform)
if error_counter < 3:
self.q.put(self.url)
finally:
helper.log('[INFO] %s is done' % self.url, platform)
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'}
self.cookies = {
'nike_locale': 'us/en_us',
'NIKE_COMMERCE_COUNTRY': 'US',
'NIKE_COMMERCE_LANG_LOCALE': 'en_US'
}
def run(self):
'''
解析网站源码
'''
time.sleep(random.randint(2, 5))
try:
pq = helper.get(self.url, myHeaders=self.headers, cookies=self.cookies)
# 款型名称
name = pq('h1#pdp_product_title')
if name and len(name) > 0:
name = name[0].text
# 配色的编号
number = pq('li.description-preview__style-color').text().split(':')[1].strip()
# 颜色值
color_value = pq('li.description-preview__color-description').text().split(':')[1].strip()
price = 0
for div in pq('div.text-color-black'):
if div.get('data-test') == 'product-price':
price = float(div.text.replace('$', ''))
break
size_price_arr = []
for input in pq('div.availableSizeContainer input'):
# M 3.5 / W 5
size = input.get('aria-label').replace('W', '').replace('M', '').replace('C', '').strip()
if '/' in size:
size = size.split('/')[0].strip()
size_price_arr.append({
'size': float(size),
'price': price,
'isInStock': input.get('disabled', False) == False
})
img_url = None
for source in pq('noscript > picture > source'):
img_url = source.get('srcset')
break
if img_url:
pass
result = helper.downloadImg(img_url, os.path.join('.', 'imgs', platform, '%s.jpg' % number))
if result == 1:
# 上传到七牛
qiniuUploader.upload_2_qiniu(platform, '%s.jpg' % number, './imgs/%s/%s.jpg' % (platform, number))
mongo.insert_pending_goods(name, number, self.url, size_price_arr, ['%s.jpg' % number], self.gender, color_value, platform, '5be444e3c7e854cab4b252a0', self.crawl_counter, '', True if img_url else False)
else:
helper.log('%s has no name' % self.url, platform)
# name = pq('h1.exp-pdp-title__main-title')
# name = name[0].text
except Exception as e:
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), platform)
helper.log(e, platform)
if error_counter < 3:
self.q.put(self.url)
def fetch_page(url_list, gender, q, error_page_url_queue, 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, q, error_page_url_queue, 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_spider():
crawl_counter = mongo.get_crawl_counter(platform)
# 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_num = 781
url_list = ['https://store.nike.com/html-services/gridwallData?country=US&lang_locale=en_US&gridwallPath=mens-shoes/7puZoi3&pn=%d' % page for page in range(1, int(math.ceil(total_num / 60 + 0.5)))]
fetch_page(url_list, 1, q, error_page_url_queue, crawl_counter)
total_num = 616
url_list = ['https://store.nike.com/html-services/gridwallData?country=US&lang_locale=en_US&gridwallPath=womens-shoes/7ptZoi3&pn=%d' % page for page in range(1, int(math.ceil(total_num / 60 + 0.5)))]
fetch_page(url_list, 2, q, error_page_url_queue, 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)
def start(action):
if action == 'common':
start_spider()
elif action == 'hot':
start_hot()
# goods_spider = GoodsSpider('https://www.nike.com/t/kyrie-5-shoe-sVp7VL', 1, Queue(), 1)
# goods_spider.start()
helper.log('done', platform)