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sn_monitoring_engine.py
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# coding:utf-8
import json
import requests
from datetime import datetime
from requests.adapters import HTTPAdapter
import urllib
from lxml import html
from .monitoring_engine import MonitoringEngine
# from eledata.serializers.watcher import GeneralWatcherSerializer
from logger import logger
class SNMonitoringEngine(MonitoringEngine):
# order
# 0: 综合
# 8: 销量
# 6: 评价数
# 10: 价格
ORDER_MAPPING = {
'integrated': '0',
'price': '10',
'sales': '8',
'hot': '6'
}
SUPPORTED_LOCATIONS = [
{'id': '010_0100101_1', 'name': 'bei_jing'},
{'id': '021_0210101_1', 'name': 'shang_hai'},
{'id': '022_0220101_1', 'name': 'tian_jin'},
{'id': '023_0230101_1', 'name': 'chong_qing'},
{'id': '025_0250101_1', 'name': 'he_bei'},
{'id': '020_0200101_1', 'name': 'shan_xi'},
{'id': '531_5310101_1', 'name': 'he_nan'},
{'id': '571_5710101_1', 'name': 'liao_ning'},
{'id': '028_0280101_1', 'name': 'ji_lin'},
{'id': '311_3110101_1', 'name': 'hei_long_jiang'},
{'id': '027_0270101_1', 'name': 'inner_mongolia'},
{'id': '591_5910101_1', 'name': 'jiang_su'},
{'id': '024_0240101_1', 'name': 'shan_dong'},
{'id': '371_3710101_1', 'name': 'an_hui'},
{'id': '551_5510101_1', 'name': 'zhe_jiang'},
{'id': '731_7310101_1', 'name': 'fu_jian'},
{'id': '029_0290101_1', 'name': 'hu_bei'},
{'id': '771_7710101_1', 'name': 'hu_nan'},
{'id': '791_7910101_1', 'name': 'guang_dong'},
{'id': '351_3510101_1', 'name': 'guang_xi'},
{'id': '451_4510101_1', 'name': 'jiang_xi'},
{'id': '431_4310101_1', 'name': 'si_chuan'},
{'id': '851_8510101_1', 'name': 'hai_nan'},
{'id': '871_8710101_1', 'name': 'gui_zhou'},
{'id': '991_9910101_1', 'name': 'yun_nan'},
{'id': '931_9310101_1', 'name': 'tibet'},
{'id': '471_4710101_1', 'name': 'shaan_xi'},
{'id': '898_8980101_1', 'name': 'gan_su'},
{'id': '951_9510101_1', 'name': 'qing_hai'},
{'id': '971_9710101_1', 'name': 'ning_xia'},
{'id': '089_0890101_1', 'name': 'zin_jiang'}
]
# 1.
sess_re = requests.Session()
adapter = requests.adapters.HTTPAdapter(pool_connections=100, pool_maxsize=100)
sess_re.mount('http://', adapter)
sess_t = requests.Session()
adapter = requests.adapters.HTTPAdapter(pool_connections=100, pool_maxsize=100)
sess_t.mount('http://', adapter)
sess_c = requests.Session()
adapter = requests.adapters.HTTPAdapter(pool_connections=100, pool_maxsize=100)
sess_c.mount('http://', adapter)
keyword = None
url = None
img_pth = None
url_list = []
def set_searching_url(self, _keyword, _page_limit, _order):
logger.info("Setting searching urls for SN Monitoring Engine...")
self.keyword = _keyword
if not _order:
order_url_list = []
for num in range(0, _page_limit, 1):
if num == 0:
list_url = "http://search.suning.com/" + urllib.quote(_keyword.encode('utf8')) + "/"
order_url_list.append({"url": list_url, "order": "default"})
else:
list_url = "http://search.suning.com/" + urllib.quote(_keyword.encode('utf8')) + "/&cp=" + str(num)
order_url_list.append({"url": list_url, "order": "default"})
self.url_list.append(order_url_list)
else:
for order in _order:
order_url_list = []
for num in range(0, _page_limit, 1):
if num == 0:
list_url = "http://search.suning.com/" + urllib.quote(
_keyword.encode('utf8')) + "/" + "&st=" + str(self.ORDER_MAPPING.get(order))
order_url_list.append({"url": list_url, "order": order})
else:
list_url = "http://search.suning.com/" + urllib.quote(_keyword.encode('utf8')) + "/&cp=" + str(
num) + "&st=" + str(self.ORDER_MAPPING.get(order))
order_url_list.append({"url": list_url, "order": order})
self.url_list.append(order_url_list)
logger.info("Updated SN Monitoring Engine with {0} urls".format(len(self.url_list)))
def get_basic_info(self, url):
order = url["order"]
this_url = url["url"]
async_content = self.sess_t.get(this_url).content
# print async_content
tree = html.fromstring(async_content)
goodslist = tree.xpath('//*[@id="filter-results"]/ul/li')
rank = 0
relist = []
for goods in goodslist:
rank = rank + 1
product_name_list = goods.xpath('div/div/div/div[2]/p[2]/a/text()')
product_name = ''.join(product_name_list)
# print "SN",product_name
seller_name_item = goods.xpath('div/div/div/div[2]/p[4]/a/text()')
if seller_name_item:
seller_name = seller_name_item[0]
else:
seller_name = "None"
_url_item = goods.xpath('div/div/div/div[2]/p[2]/a/@href')
if _url_item:
_url = "http:" + _url_item[0]
_url_split = _url.split('/')
vendor_id = _url_split[3]
_data_pid = _url_split[4].split('.')[0]
else:
continue
img_url_item = goods.xpath('div/div/div/div[1]/div/a/img/@src2')
if img_url_item:
img_url = "http:" + img_url_item[0]
else:
img_url = "None"
seller_url_item = goods.xpath('div/div/div/div[2]/p[4]/a/@href')
if seller_url_item:
seller_url = "http:" + seller_url_item[0]
else:
seller_url = "None"
# print seller_url
price_url = 'http://ds.suning.cn/ds/generalForTile/' + _data_pid + '__2_' + vendor_id + '-020-2-' + vendor_id + '-1--.jsonp'
try:
price_response = self.sess_re.get(price_url).content
price_json = price_response[1:-2]
rs_object = json.loads(price_json)['rs'][0]
# logger.info("Converting Price: {0}".format(rs_object['price']))
default_price = float(rs_object['price'])
except Exception as e:
logger.warning("Caught Exception: {0} when reading price of {1}".format(e.message, _data_pid))
default_price = 0
if default_price == "":
default_price = 0
# print "price",default_price,price_url
# coments_count and score_count:
try:
comments_count_url = "https://review.suning.com/ajax/review_satisfy/general-000000000" + _data_pid + \
"-" + vendor_id + "-----.htm?"
# comments_count_url = "https://product.suning.com/"+vendor_id+"/"+_data_pid+".html"
comments_count_item = self.sess_c.get(comments_count_url).content[1:-1]
comments_count_info = json.loads(comments_count_item)
scoreAve = float(comments_count_info["reviewCounts"][0]["qualityStar"])
comments_count = float(comments_count_info["reviewCounts"][0]["totalCount"])
except:
scoreAve = 0
comments_count = 0
# comments
comment_list = []
try:
comments_url = "https://review.suning.com/ajax/review_lists/general-000000000" + _data_pid + \
"-" + vendor_id + "-total-1-default-10-----.htm"
comments_item = self.sess_t.get(comments_url).content[1:-1]
comments_info = json.loads(comments_item)
comment_source_list = comments_info["commodityReviews"]
if comment_source_list:
for item in comment_source_list:
comment_list.append({
"content": item["content"],
"content_title": None,
"content_score": item["qualityStar"],
"content_time": item["publishTime"]
})
except:
comment_list = []
# Use Class Parameter to control enable or not. default disabled
location_list = self.get_location_stocks(_data_pid, vendor_id) if self.is_get_location else []
the_basic_info = {
'search_keyword': self.keyword,
'last_crawling_timestamp': datetime.now(),
'platform': 'SN',
'product_name': product_name,
'seller_name': seller_name,
'sku_id': _data_pid,
'default_price': default_price,
'final_price': 0,
'item_url': _url,
'comments_count': comments_count,
'images': [img_url],
'current_stock': location_list,
'support': [],
'comments_ave_score': scoreAve,
'advertisements': "",
'bundle': [],
'model': {},
'detail': [],
'search_rank': rank,
'search_order': order,
'seller_url': seller_url,
'comments_list': comment_list
}
relist.append(the_basic_info)
return relist
# def out(self, _list):
# serializer = GeneralWatcherSerializer(data=_list, many=True)
# if serializer.is_valid():
# _data = serializer.create(serializer.validated_data)
# for data in _data:
# data.group = self.group
# data.save()
# else:
# # TODO: report errors
# print(serializer.errors)
# logger.info('SN Monitoring Engine Task Completed')
def get_location_stocks(self, sku_id, vendor_id):
result = []
for location in self.SUPPORTED_LOCATIONS:
url = "https://icps.suning.com/icps-web/getAllPriceFourPage/" \
"000000000{0}_{1}_{2}_pc_showSaleStatus.vhtm".format(sku_id, vendor_id, location['id'])
stock_json = self.auto_recovered_fetch_json_callback(url)
if stock_json:
location_value = stock_json[u'saleInfo'][0][u'invStatus']
if location_value == 1:
stock_state = 'shippable'
else:
stock_state = 'out_of_stock'
stock_location = location['name']
result.append({'stock_state': stock_state, 'stock_location': stock_location})
return result