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footlocker.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 json
from pyquery import PyQuery
from threading import Thread
try:
from queue import Queue
except ImportError:
from Queue import Queue
error_detail_url = {}
platform = 'footlocker'
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):
# 获取商品详情url
try:
html = helper.get(self.url, myHeaders=self.headers, returnText=True)
json_data = json.loads(html)
print(json_data.get('products', [])[0])
# for span in pq('span.product_title'):
# a = PyQuery(span).parents('a')
# self.q.put(a.attr('href'))
except:
helper.log('[ERROR] => ' + self.url, platform)
self.error_page_url_queue.put({'url': self.url, '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'
# }
# def run(self):
# '''
# 解析网站源码
# '''
# try:
# time.sleep(1.2)
# pq = helper.get(self.url, myHeaders=self.headers)
# name = pq('h1.product_title').text()
# if not name:
# return
# number = pq('span#productSKU').text()
# if not number:
# return
# color_value = pq('span.attType_color').text()
# json_str = re.compile(r'var\smodel\s=\s.*"\};').findall(pq.html())[0]
# size_arr = json.loads(json_str.replace('var model = ', '').replace('"};', '"}')).get('AVAILABLE_SIZES')
# try:
# size_arr = [float(size) for size in size_arr]
# except:
# size_arr = []
# return
# if len(size_arr) < 1:
# return
# json_str = re.compile(r'var\ssizeObj\s=\s.*"\}\];').findall(pq.html())[0]
# available_size_arr = json_str.replace('var sizeObj = ', '').replace('"}];', '"}]')
# available_size_arr = json.loads(available_size_arr)
# size_price_arr = [{'size': size, 'isInStock': False, 'price': 0.00} for size in size_arr]
# for available_size in available_size_arr:
# tmp_size = float(available_size.get('size'))
# for size_price in size_price_arr:
# if tmp_size == size_price.get('size'):
# size_price['isInStock'] = True
# size_price['price'] = float(available_size.get('pr_sale'))
# break
# mongo.insert_pending_goods(name, number, self.url, size_price_arr, ['%s.jpg' % number], self.gender, color_value, platform, '5bcf1b5cc7e854cab48a7662', self.crawl_counter)
# img_json_str = helper.get('https://images.eastbay.com/is/image/EBFL2/%sMM?req=set,json' % number, returnText=True)
# img_json = None
# img_url = None
# try:
# img_json = json.loads(img_json_str.replace('/*jsonp*/s7jsonResponse(', '').replace(',"");', ''))
# img_item_arr = img_json.get('set').get('item')
# for img_item in img_item_arr:
# if img_item.get('type') == 'img_set':
# img_url = img_item.get('set').get('item')[0].get('s').get('n')
# break
# except:
# img_json_str = helper.get('https://images.eastbay.com/is/image/EBFL2/%s?req=set,json' % number, returnText=True)
# try:
# img_json = json.loads(img_json_str.replace('/*jsonp*/s7jsonResponse(', '').replace(',"");', ''))
# img_item_arr = img_json.get('set').get('item')
# if isinstance(img_item_arr, list):
# img_url = img_item_arr[0].get('s').get('n')
# elif isinstance(img_item_arr, dict):
# img_url = img_item_arr.get('s').get('n')
# except:
# img_url = None
# # print(name, number ,color_value, size_price_arr)
# # print(img_url)
# if img_url:
# img_url = 'https://images.eastbay.com/is/image/%s?wid=600&hei=600&fmt=jpg' % img_url
# # print(img_url)
# 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))
# 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), 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
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):
# time.sleep(2)
# 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():
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_page = 86
total_page = 1
url_list = ['https://www.footlocker.com/api/products/search?currentPage=' + str(page - 1) + '&pageSize=60&query=Men%27s%20Shoes%20%20%20%20&sort=brand-asc×tamp=2' for page in range(1, total_page + 1)]
fetch_page(url_list, 1, q, error_page_url_queue, crawl_counter)