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aliexpressSpider.py
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aliexpressSpider.py
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# _*_ coding:UTF-8 _*_
'''
Created on Mar 11, 20174:07:40 PM
Author: VIC
Email: victor.wei@msn.cn
Link: http://www.weizhikai.com
'''
# get product information from search result list on aliexpress.com
import requests
import random
import re
import time
from bs4 import BeautifulSoup
from lxml import cssselect
import urllib.request
from saveToSql import sqloperater
class productSniffer():
# initiate the default configuration
def __init__(self, base_url, page_url):
super().__init__()
self.base_url = base_url
self.page_url = page_url
# parse the product detail page
def getproductdetail(self, page_url, num_retries=3):
IP = productSniffer.get_proxy_ip()
user_agent = productSniffer.get_user_agent()
timesleep = random.random() * 5
try:
print('Downloading page ', page_url)
req = urllib.request.Request(page_url)
req.add_header('User-Agent', user_agent)
req.add_header('X-Forwarded-For', IP)
req.add_header('X-Real-IP', IP)
req.add_header('Referer', page_url)
# using IP proxy
proxy_support = urllib.request.ProxyHandler({'http':'http://' + IP + '/'})
opener = urllib.request.build_opener(proxy_support)
urllib.request.install_opener(opener)
SourceData = urllib.request.urlopen(req).read()
SourceData = SourceData.decode("utf-8")
# datastr = productSniffer.get_file()
soup = BeautifulSoup(str(SourceData), 'lxml')
productLists = soup.find_all('li', class_="list-item")
page_index = int(page_url.split('/')[-1].split('.html')[0])
Counter = (48 * (page_index - 1) + 1)
if 'anti_Spider' in str(SourceData):
print('Temperorily blocked ! Wait 10 minutes')
time.sleep(360)
productSniffer.getproductdetail(self, page_url, num_retries - 1)
else:
product_data = []
for eachProduct in productLists:
product_data.clear()
product_title = eachProduct.find('a', class_="product").get_text().strip().replace('\'', '\'\'') # get product title, ok
product_url = 'https:' + eachProduct.find('a', class_="product").get('href') # get product url,ok
product_id = product_url.split('?')[0].split('/')[-1].split('.')[0]
product_prices = eachProduct.select('.value') # get product unit price, ok
product_unit_price = product_prices[0].text.strip().replace('US $', '')
product_units = eachProduct.select('.unit') # get product unit, ok
product_unit = product_units[0].text
# get product sold order numbers, ok
product_sold_num = eachProduct.find('span', class_="order-num").get_text().replace('Orders (', '').replace(')', '').strip()
product_data.append(product_id)
product_data.append(product_title)
product_data.append(product_url)
product_data.append(product_unit_price)
product_data.append(product_unit)
product_data.append(product_sold_num)
img_urls = eachProduct.select('img') # get product image url, ok
if len(img_urls) > 1:
product_rateimg_url = img_urls[0].get('src') # get product rating image url, ok
if img_urls[1].get('image-src') is not None:
product_img_url = img_urls[1].get('image-src')
product_data.append(product_img_url)
product_data.append(product_rateimg_url)
else:
product_img_url = img_urls[1].get('src')
product_data.append(product_img_url)
product_data.append(product_rateimg_url)
else:
product_rateimg_url = 'No rating yet'
if img_urls[0].get('image-src') is not None:
product_img_url = img_urls[0].get('image-src')
product_data.append(product_img_url)
product_data.append(product_rateimg_url)
else:
product_img_url = img_urls[0].get('src')
product_data.append(product_img_url)
product_data.append(product_rateimg_url)
# get product feedbacks, ok
if len(eachProduct.select('.rate-num')) > 0:
product_feedback_num = eachProduct.find('a', class_="rate-num").get_text().replace('Feedback(', '').replace(')', '')
product_data.append(product_feedback_num)
else:
product_feedback_num = 0
product_data.append(product_feedback_num)
if len(product_prices) > 1: # if charge shipping fee, will get the shipping method and shipping price , ok
product_shipping_method = eachProduct.find('dd', class_="price").get_text().split('via')[1].strip().replace('\'', '\'\'')
product_shipping_price = product_prices[1].text.replace('US $', '')
product_data.append(product_shipping_method)
product_data.append(product_shipping_price)
else:
product_shipping_method = 'Freeshipping'
product_shipping_price = 0
product_data.append(product_shipping_method)
product_data.append(product_shipping_price)
# product rank index on the current page
product_page_index = page_index
product_rank_index = Counter
product_data.append(product_rank_index)
product_data.append(product_page_index)
# check if the product was P4P clicked promoted , ok
if len(eachProduct.select('.sponsored')) > 0:
product_promoted_status = 'yes'
product_data.append(product_promoted_status)
# self.product_sponsors.append('yes')
else:
product_promoted_status = 'no'
product_data.append(product_promoted_status)
# self.product_sponsors.append('no')
product_store_url = 'https:' + eachProduct.find('a', class_="store").get('href') # get product store url, ok
product_store_name = eachProduct.find('a', class_="store").get_text().strip().replace('\'', '\'\'') # get product Store name, ok
product_data.append(product_store_name)
product_data.append(product_store_url)
# get bottom promoted items
'''
if len(eachProduct.select('.relatied-product-slide')) > 0:
print("bottom promoted")
'''
sqlstr = "INSERT INTO `aepro`.`db_aeproductdata`(`product_id`,`product_title`,`product_url`,`product_unit_price`,`product_unit`,`product_sold_num`,`product_img_url`,`product_rateimg_url`,`product_feedback_num`,`product_ship_method`,`product_shipping_price`,`product_rank_index`,`product_page_index`,`product_promoted_status`,`product_store_name`,`product_store_url`) VALUES('%s','%s','%s','%s','%s','%s','%s','%s','%s','%s','%s','%s','%s','%s','%s','%s')" % (product_id, product_title, product_url, product_unit_price, product_unit, product_sold_num, product_img_url, product_rateimg_url, product_feedback_num, product_shipping_method, product_shipping_price, product_rank_index, product_page_index, product_promoted_status, product_store_name, product_store_url)
DataAdder = sqloperater(sqlstr)
DataAdder.AddData(Add_data)
print(DataAdder.get_status())
Counter = Counter + 1
time.sleep(timesleep)
except urllib.request.URLError as e:
if num_retries > 0:
if hasattr(e):
print('Error', str(e))
res = None
return productSniffer.getproductdetail(page_url, num_retries - 1)
# get random user-agent
@staticmethod
def get_user_agent():
useragents = ['Mozilla/5.0 (Windows; U; Windows NT 6.1; en-us) AppleWebKit/534.50 (KHTML, like Gecko) Version/5.1 Safari/534.50',
'Mozilla/5.0 (Windows NT 10.0; WOW64; rv:38.0) Gecko/20100101 Firefox/38.0',
'Mozilla/5.0 (Windows NT 10.0; WOW64; Trident/7.0; .NET4.0C; .NET4.0E; .NET CLR 2.0.50727; .NET CLR 3.0.30729; .NET CLR 3.5.30729; InfoPath.3; rv:11.0) like Gecko',
'Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; Trident/5.0',
'Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.0; Trident/4.0)',
'Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 6.0)',
'Mozilla/5.0 (Windows NT 6.1; rv:2.0.1) Gecko/20100101 Firefox/4.0.1',
'Opera/9.80 (Windows NT 6.1; U; en) Presto/2.8.131 Version/11.11']
user_agent = random.choice(useragents)
return user_agent
# get proxy IPs
@staticmethod
def get_proxy_ip():
BaseURL = 'http://tvp.daxiangdaili.com/ip/?'
ApiPara = {'tid':'yourid', 'num':'1', 'category':'2', 'delay':'2', 'sortby':'time', 'filter':'on', 'protocol':'https'}
for key in ApiPara:
BaseURL = BaseURL + key + '=' + ApiPara[key] + '&'
IP = requests.get(BaseURL).text
return IP
@staticmethod
def get_file():
with open('mytest.txt', 'rt', encoding='utf-8') as f:
datastr = f.readlines()
f.close()
return datastr
def error(self):
pass
# test
base_url = 'https://www.aliexpress.com'
page_url = 'https://www.aliexpress.com/category/528/batteries/7.html?g=n'
profinder = productSniffer(base_url, page_url)
profinder.getproductdetail(page_url, num_retries=2)