def get_Stock_Status_Resolved(sku_list):
clist = get_Stock_Status(sku_list)
if len(clist) == 0:
return {'status': -1, 'msg': 'jd api returned no result for sku_list'}
if len(clist) != len(set(sku_list)):
return {
'status':
-1,
'msg':
'jd api return size mismatch, size of sku:%s, size of api:%s' %
(len(set(sku_list)), len(clist))
}
vlist = []
dt = timeHelper.getNowLong()
key_list = ['sku_id', 'dt', 'a', 'b', 'c', 'l', 'j', 'stock_json']
for cdict in clist:
cdict['stock_json'] = json.dumps(cdict)
cdict['dt'] = dt
tp = []
for key in key_list:
# print 'key=%s\tvalue=%s' %(key,cdict[key])
if key in cdict.keys():
tp.append(cdict[key])
else:
tp.append(None)
vlist.append(tp)
# print '-'*60
return vlist
def doTask(self, M=1, N=1):
while True:
retry = 0
print 'start job - %s' % timeHelper.getNowLong()
t1 = time.time()
is_success = self.doTaskOnce(M, N)
t2 = time.time()
remaining = 600
if self.is_daily:
remaining = timeHelper.getTimeLeftTillTomorrow()
else:
remaining = int(self.repeat_interval * 3600 - (t2 - t1))
if remaining < 0:
remaining = 0
remaining += 10
logging.info('=' * 80)
logging.info('Finished crawling, using time: %s seconds' %
(t2 - t1))
logging.info('Has Errors? %s' %
('NO' if is_success == 1 else 'YES'))
logging.info(
'Now sleeping for %s seconds for next run (%.1f hours)' %
(remaining, remaining / 3600))
logging.info('=' * 80)
time.sleep(remaining)
def __record_task_complete__(self, task_list):
vlist = []
ut = timeHelper.getNowLong()
for item in task_list:
tp = (self.job_name, item, ut)
vlist.append(tp)
sql = 'insert into task_status(job_name,task_id,update_time) values(%s,%s,%s)'
affected_rows = dbhelper.executeSqlWriteMany(sql, vlist)
return affected_rows
def __record_task_complete__(self, task_list):
vlist = []
ut = timeHelper.getNowLong()
for item in task_list:
tp = (self.job_name,item,ut)
vlist.append(tp)
sql = 'insert into task_status(job_name,task_id,update_time) values(%s,%s,%s)'
affected_rows = dbhelper.executeSqlWriteMany(sql,vlist)
return affected_rows
def crawl_sku_price(sku_list, sleep_time):
# no more than 5000 items here per design
rdict = jd_API.getPrices_JD(sku_list,sleep_time=sleep_time)
vlist = []
dt = timeHelper.getNow()
dtlong = timeHelper.getNowLong()
for key in rdict:
tp = rdict[key]
price = tp[0]
price_m = tp[1]
price_pcp = tp[2]
vlist.append([key,dt,dtlong,price,price_m,price_pcp])
return crawler_helper.persist_db_history_and_latest(
table_name='jd_item_price',
num_cols=len(vlist[0]),
value_list=vlist,
is_many=True,
need_history=True,
need_flow=True,
)
def crawl_sku_price(sku_list, sleep_time):
# no more than 5000 items here per design
rdict = jd_API.getPrices_JD(sku_list, sleep_time=sleep_time)
vlist = []
dt = timeHelper.getNow()
dtlong = timeHelper.getNowLong()
for key in rdict:
tp = rdict[key]
price = tp[0]
price_m = tp[1]
price_pcp = tp[2]
vlist.append([key, dt, dtlong, price, price_m, price_pcp])
return crawler_helper.persist_db_history_and_latest(
table_name='jd_item_price',
num_cols=len(vlist[0]),
value_list=vlist,
is_many=True,
need_history=True,
need_flow=True,
)
def crawl_item_promo(sku_id):
rdict = jd_API.get_Promo_Sku(sku_id)
dt = timeHelper.getNowLong()
quan = "" #json.dumps(rdict['quan'])
ads = ""
try:
ads = rdict['ads'][0]['ad'] #json.dumps(rdict['ads'])
except:
pass
prom = json.dumps(rdict['prom'])
vlist = [[
sku_id, dt, quan if quan != '[]' else None,
ads if ads != '[]' else None, prom if prom != '[]' else None
]]
return crawler_helper.persist_db_history_and_latest(
table_name='jd_promo_item',
num_cols=len(vlist[0]),
value_list=vlist,
is_many=True,
# need_history=True
)
def get_Stock_Status_Resolved(sku_list):
clist = get_Stock_Status(sku_list)
if len(clist)==0:
return {'status':-1,'msg':'jd api returned no result for sku_list'}
if len(clist)!=len(set(sku_list)):
return {'status':-1,'msg':'jd api return size mismatch, size of sku:%s, size of api:%s' %(len(set(sku_list)),len(clist))}
vlist = []
dt = timeHelper.getNowLong()
key_list = ['sku_id','dt','a','b','c','l','j','stock_json']
for cdict in clist:
cdict['stock_json'] = json.dumps(cdict)
cdict['dt'] = dt
tp = []
for key in key_list:
# print 'key=%s\tvalue=%s' %(key,cdict[key])
if key in cdict.keys():
tp.append(cdict[key])
else:
tp.append(None)
vlist.append(tp)
# print '-'*60
return vlist
def doTask(self,M=1,N=1):
while True:
retry = 0
print 'start job - %s' %timeHelper.getNowLong()
t1 = time.time()
is_success = self.doTaskOnce(M,N)
t2 = time.time()
remaining = 600
if self.is_daily:
remaining = timeHelper.getTimeLeftTillTomorrow()
else:
remaining = int(self.repeat_interval * 3600 - (t2-t1))
if remaining < 0:
remaining = 0
remaining += 10
logging.info('='*80)
logging.info('Finished crawling, using time: %s seconds' %(t2-t1))
logging.info('Has Errors? %s' %('NO' if is_success==1 else 'YES'))
logging.info('Now sleeping for %s seconds for next run (%.1f hours)' %(remaining,remaining/3600))
logging.info('='*80)
time.sleep(remaining)
def crawl_item_promo(sku_id):
rdict = jd_API.get_Promo_Sku(sku_id)
dt = timeHelper.getNowLong()
quan = "" #json.dumps(rdict['quan'])
ads = ""
try:
ads = rdict['ads'][0]['ad'] #json.dumps(rdict['ads'])
except:
pass
prom = json.dumps(rdict['prom'])
vlist = [[
sku_id,
dt,
quan if quan!='[]' else None,
ads if ads!='[]' else None,
prom if prom!='[]' else None
]]
return crawler_helper.persist_db_history_and_latest(
table_name='jd_promo_item',
num_cols=len(vlist[0]),
value_list=vlist,
is_many=True,
# need_history=True
)
def resolveProductListFromPage(html):
product_list = []
nowtime = timeHelper.getNowLong()
nowdate = timeHelper.getNow()
try:
doc = libxml2.htmlReadDoc(html, None, 'utf8', PARSE_OPTIONS)
sku_docs = doc.xpathEval('//div[@data-sku]')
for sku in sku_docs:
#if True:
try:
sku_doc = libxml2.htmlReadDoc('%s' % sku, None, 'utf8',
PARSE_OPTIONS)
sku_id = int(sku_doc.xpathEval('//@data-sku')[0].content)
# 判断是否是JD自营
if sku_id > 99999999:
# 非自营商品
continue
#print '%s' %sku
sku_url = sku_doc.xpathEval(
'//div[@class="p-img"]/a/@href')[0].content
try:
sku_thumnail_url = sku_doc.xpathEval(
'//div[@class="p-img"]/a/img/@data-lazy-img'
)[0].content
except:
sku_thumnail_url = sku_doc.xpathEval(
'//div[@class="p-img"]/a/img/@src')[0].content
sku_title = ""
try:
sku_title = sku_doc.xpathEval(
'//div[@class="p-name"]/a/@title')[0].content
except:
pass
if len(sku_title) == 0:
sku_title = sku_doc.xpathEval(
'//div[@class="p-name"]/a/em')[0].content
comment_count = int(
sku_doc.xpathEval('//div[@class="p-commit"]/strong/a')
[0].content)
sku_icon_url = ""
icon_doc = sku_doc.xpathEval(
'//div[@class="p-img"]/a/div/@style')
if len(icon_doc) > 0:
sku_icon_url = url_utils.getStringBetween(
icon_doc[0].content, 'url("', '")')
is_global = is_free_gift = is_pay_on_delivery = 0
price_items = sku_doc.xpathEval(
'//div[@class="p-price"]/div/i')
for pitem in price_items:
txt = pitem.content
if '全球购' in txt:
is_global = 1
elif '货到付款' in txt:
is_pay_on_delivery = 1
elif '赠品' in txt:
is_free_gift = 1
else:
print 'new-mark found:'
print txt
sku_stock = -1
try:
sku_stock = int(
sku_doc.xpathEval('//div[@data-stock_v]/@data-stock_v')
[0].content)
except:
pass
sku_url = __makeUrl__(sku_url)
sku_thumnail_url = __makeUrl__(sku_thumnail_url)
tp = (sku_id, nowdate, nowtime, sku_title, sku_url,
sku_thumnail_url, sku_stock, comment_count, is_global,
is_pay_on_delivery, is_free_gift, sku_icon_url)
product_list.append(tp)
except Exception as e:
logging.error('resolveProductListError: %s, error = %s') % (
sku, e)
continue
finally:
sku_doc.freeDoc()
return product_list
finally:
doc.freeDoc()
def crawl_category(category_id):
logging.debug('category_id = %s -- page 1' %(category_id))
url = __get_category_page_url__(category_id,1)
# print url
html = url_utils.getWebResponse(url,'utf-8')
if html == "":
html = url_utils.getWebResponse(url,'gb18030')
if html == "":
html = url_utils.getWebResponse(url, 'gbk')
total_pages = jd_list_resolver.resolveTotalPageNum(html)
product_list = jd_list_resolver.resolveProductListFromPage(html)
while len(product_list) == 0 and category_id is not None:
category_id = __up_roll_category_id__(category_id)
return crawl_category(category_id)
if category_id is None or len(product_list)==0:
return {'status':-1, 'msg': 'No item in category product list'}
for page_iter in range(2,total_pages+1):
logging.debug('category_id = %s -- page %s' %(category_id,page_iter))
url = __get_category_page_url__(category_id,page_iter)
html = url_utils.getWebResponse(url,'utf-8')
product_list = product_list + jd_list_resolver.resolveProductListFromPage(html)
time.sleep(SLEEP_TIME)
sku_list = []
for product_tp in product_list:
sku_id = product_tp[0]
sku_list.append(sku_id)
# Get price of all products
#price_obj = jd_API.getPrices_JD(sku_list,sleep_time=SLEEP_PRICE_API)
ret_obj = {
'status': -1,
'affected_rows': -1,
'sku_count': -1
}
total_goods_num = len(product_list)
# for item in product_list:
# print item[0]
# print '='*80
# combine product list and price list, timestamp, category_id
for i in xrange(total_goods_num):
product_id = product_list[i][0]
pkey = '%s' %product_id
# if pkey in price_obj:
# product_list[i] = product_list[i] + (price_obj[pkey][0],price_obj[pkey][1],price_obj[pkey][2],) #nowdate,nowtime,)
# else:
# logging.error('Error: product_id=%s cannot get result' %(product_id,price_id))
# continue
product_list[i] = product_list[i] + (0,0,0,)
# persist in database
# (sku_id,sku_title,sku_url,sku_thumnail_url,sku_stock,comment_count,is_global,is_pay_on_delivery,is_free_gift,sku_icon_url, price, price_m, update_date,update_time, category_id)
# sql = '''
# replace into jd_item_dynamic (sku_id,title,url,thumbnail_url,stock_status,comment_count,is_global,is_pay_on_delivery,
# has_free_gift,icon_url,price,price_m,price_pcp,update_date,update_time) values (%s,%s,%s,%s,%s,%s,%s,%s,%s,%s,%s,%s,%s,%s,%s)
# '''
# affected_rows = dbhelper.executeSqlWriteMany(sql,product_list)
ret = crawler_helper.persist_db_history_and_latest(
table_name='jd_item_dynamic',
num_cols=len(product_list[0]),
value_list=product_list,
is_many=True,
need_history=False, # was True - changed 01/03
need_flow=False, # was True - changed 12/23
)
logging.debug('Saved to DB -- category_id = %s -- sku_count=%s' %(category_id,total_goods_num))
logging.debug('%s' %ret)
# HANDLE JD_ITEM_CATEGORY
item_cat_list = []
for prod in product_list:
item_cat_list.append((prod[0],category_id,))
sql2 = 'replace into jd_item_category values (%s,%s)'
affected_rows2 = dbhelper.executeSqlWriteMany(sql2,item_cat_list)
logging.debug('Saved to DB - item_category - affected rows = %s' %affected_rows2)
if affected_rows2<=0:
logging.error('Saving to item_category error, category_id = %s' %category_id)
# HANDLE JD_ITEM_FIRSTSEEN
nowtime = timeHelper.getNowLong()
nowdate = timeHelper.getNow()
sql3 = 'insert ignore into jd_item_firstseen values(%s,"%s","%s")'
ftlist = []
for item in product_list:
ftlist.append([item[0],nowtime,nowdate])
affected_rows3 = dbhelper.executeSqlWriteMany(sql3,ftlist)
ret_obj = {
'status': 0 if ret['status']==0 and affected_rows2>0 else -1,
'item_dynamic': ret,
'item_category': affected_rows2,
'item_first_seen': affected_rows3,
}
return ret_obj
def resolveProductListFromPage(html):
product_list = []
nowtime = timeHelper.getNowLong()
nowdate = timeHelper.getNow()
try:
doc = libxml2.htmlReadDoc(html, None, "utf8", PARSE_OPTIONS)
sku_docs = doc.xpathEval("//div[@data-sku]")
for sku in sku_docs:
# if True:
try:
sku_doc = libxml2.htmlReadDoc("%s" % sku, None, "utf8", PARSE_OPTIONS)
sku_id = int(sku_doc.xpathEval("//@data-sku")[0].content)
# 判断是否是JD自营
if sku_id > 99999999:
# 非自营商品
continue
# print '%s' %sku
sku_url = sku_doc.xpathEval('//div[@class="p-img"]/a/@href')[0].content
try:
sku_thumnail_url = sku_doc.xpathEval('//div[@class="p-img"]/a/img/@data-lazy-img')[0].content
except:
sku_thumnail_url = sku_doc.xpathEval('//div[@class="p-img"]/a/img/@src')[0].content
sku_title = ""
try:
sku_title = sku_doc.xpathEval('//div[@class="p-name"]/a/@title')[0].content
except:
pass
if len(sku_title) == 0:
sku_title = sku_doc.xpathEval('//div[@class="p-name"]/a/em')[0].content
comment_count = int(sku_doc.xpathEval('//div[@class="p-commit"]/strong/a')[0].content)
sku_icon_url = ""
icon_doc = sku_doc.xpathEval('//div[@class="p-img"]/a/div/@style')
if len(icon_doc) > 0:
sku_icon_url = url_utils.getStringBetween(icon_doc[0].content, 'url("', '")')
is_global = is_free_gift = is_pay_on_delivery = 0
price_items = sku_doc.xpathEval('//div[@class="p-price"]/div/i')
for pitem in price_items:
txt = pitem.content
if "全球购" in txt:
is_global = 1
elif "货到付款" in txt:
is_pay_on_delivery = 1
elif "赠品" in txt:
is_free_gift = 1
else:
print "new-mark found:"
print txt
sku_stock = -1
try:
sku_stock = int(sku_doc.xpathEval("//div[@data-stock_v]/@data-stock_v")[0].content)
except:
pass
sku_url = __makeUrl__(sku_url)
sku_thumnail_url = __makeUrl__(sku_thumnail_url)
tp = (
sku_id,
nowdate,
nowtime,
sku_title,
sku_url,
sku_thumnail_url,
sku_stock,
comment_count,
is_global,
is_pay_on_delivery,
is_free_gift,
sku_icon_url,
)
product_list.append(tp)
except Exception as e:
logging.error("resolveProductListError: %s, error = %s") % (sku, e)
continue
finally:
sku_doc.freeDoc()
return product_list
finally:
doc.freeDoc()
def crawl_category(category_id):
logging.debug('category_id = %s -- page 1' % (category_id))
url = __get_category_page_url__(category_id, 1)
# print url
html = url_utils.getWebResponse(url, 'utf-8')
if html == "":
html = url_utils.getWebResponse(url, 'gb18030')
if html == "":
html = url_utils.getWebResponse(url, 'gbk')
total_pages = jd_list_resolver.resolveTotalPageNum(html)
product_list = jd_list_resolver.resolveProductListFromPage(html)
while len(product_list) == 0 and category_id is not None:
category_id = __up_roll_category_id__(category_id)
return crawl_category(category_id)
if category_id is None or len(product_list) == 0:
return {'status': -1, 'msg': 'No item in category product list'}
for page_iter in range(2, total_pages + 1):
logging.debug('category_id = %s -- page %s' % (category_id, page_iter))
url = __get_category_page_url__(category_id, page_iter)
html = url_utils.getWebResponse(url, 'utf-8')
product_list = product_list + jd_list_resolver.resolveProductListFromPage(
html)
time.sleep(SLEEP_TIME)
sku_list = []
for product_tp in product_list:
sku_id = product_tp[0]
sku_list.append(sku_id)
# Get price of all products
#price_obj = jd_API.getPrices_JD(sku_list,sleep_time=SLEEP_PRICE_API)
ret_obj = {'status': -1, 'affected_rows': -1, 'sku_count': -1}
total_goods_num = len(product_list)
# for item in product_list:
# print item[0]
# print '='*80
# combine product list and price list, timestamp, category_id
for i in xrange(total_goods_num):
product_id = product_list[i][0]
pkey = '%s' % product_id
# if pkey in price_obj:
# product_list[i] = product_list[i] + (price_obj[pkey][0],price_obj[pkey][1],price_obj[pkey][2],) #nowdate,nowtime,)
# else:
# logging.error('Error: product_id=%s cannot get result' %(product_id,price_id))
# continue
product_list[i] = product_list[i] + (
0,
0,
0,
)
# persist in database
# (sku_id,sku_title,sku_url,sku_thumnail_url,sku_stock,comment_count,is_global,is_pay_on_delivery,is_free_gift,sku_icon_url, price, price_m, update_date,update_time, category_id)
# sql = '''
# replace into jd_item_dynamic (sku_id,title,url,thumbnail_url,stock_status,comment_count,is_global,is_pay_on_delivery,
# has_free_gift,icon_url,price,price_m,price_pcp,update_date,update_time) values (%s,%s,%s,%s,%s,%s,%s,%s,%s,%s,%s,%s,%s,%s,%s)
# '''
# affected_rows = dbhelper.executeSqlWriteMany(sql,product_list)
ret = crawler_helper.persist_db_history_and_latest(
table_name='jd_item_dynamic',
num_cols=len(product_list[0]),
value_list=product_list,
is_many=True,
need_history=False, # was True - changed 01/03
need_flow=False, # was True - changed 12/23
)
logging.debug('Saved to DB -- category_id = %s -- sku_count=%s' %
(category_id, total_goods_num))
logging.debug('%s' % ret)
# HANDLE JD_ITEM_CATEGORY
item_cat_list = []
for prod in product_list:
item_cat_list.append((
prod[0],
category_id,
))
sql2 = 'replace into jd_item_category values (%s,%s)'
affected_rows2 = dbhelper.executeSqlWriteMany(sql2, item_cat_list)
logging.debug('Saved to DB - item_category - affected rows = %s' %
affected_rows2)
if affected_rows2 <= 0:
logging.error('Saving to item_category error, category_id = %s' %
category_id)
# HANDLE JD_ITEM_FIRSTSEEN
nowtime = timeHelper.getNowLong()
nowdate = timeHelper.getNow()
sql3 = 'insert ignore into jd_item_firstseen values(%s,"%s","%s")'
ftlist = []
for item in product_list:
ftlist.append([item[0], nowtime, nowdate])
affected_rows3 = dbhelper.executeSqlWriteMany(sql3, ftlist)
ret_obj = {
'status': 0 if ret['status'] == 0 and affected_rows2 > 0 else -1,
'item_dynamic': ret,
'item_category': affected_rows2,
'item_first_seen': affected_rows3,
}
return ret_obj
