def start_req(self):
"""
数据冰山发布的文章列表抓取
:return:
"""
task_queue.add_task(Aio_Req(self.first_req, self.parse_arti_lst))
for i in range(1, 19):
task_queue.add_task(
Aio_Req(self.arti_req.format(offset=i * 10),
self.parse_arti_lst))
def parse_items(self, response):
"""
:param response:返回帖子列表页面数据
:return: 构造评论数和点击数的数据请求
"""
text = response["response"]
page = response["page"]
base_link = response["base_link"]
log.log(base_link, "debug")
car = response["car"]
try:
if text.strip():
id_ = re.findall(r'data-topicid="(.*?)">', text, re.S)
link = re.findall(r' <a href="(.*?)" >', text, re.S)
title = re.findall(r'<h4>(.*?)</h4>', text, re.S)
comm = re.findall(r'ass="comment">(.*?)帖</span>', text, re.S)
time_ = re.findall(r'<time>(.*?)</time>', text, re.S)
id_lst = []
for i in range(len(id_)):
data = dict()
data["topic_id"] = id_[i]
id_lst.append(id_[i])
data["car"] = car
data["link"] = link[i]
data["title"] = title[i].strip()
data["comm"] = comm[i]
data["time"] = time_[i]
log.log(str(data), "info")
mon.insert("item_data", data)
if id_lst:
print(id_lst)
ids = "%2C".join(id_lst)
log.log(ids, "debug")
time_ = int(time.time() * 1000)
comm_view_link = self.key_link.format(ids=ids, time_=time_)
log.log(comm_view_link, "debug")
task_queue.add_task(
Aio_Req(comm_view_link,
callback=self.parse_comment_view))
task_queue.add_task(
Aio_Req(base_link.format(page + 1),
self.parse_items,
meta={
"page": page + 1,
"base_link": base_link,
"car": car
}))
except Exception as e:
log.log(str(e), "error")
log.log(base_link + str(page), "error")
log.log(text, "error")
def parse_kb_detail(self, response):
brand = response["brand"]
series = response["series"]
page = response["page"]
base_link = response["base_link"]
text = response["response"]
try:
if len(text) > 50:
data = {}
data["brand"] = brand
data["series"] = series
data["kb_raw"] = text
log.log(str(data), "info")
mon.insert("kb_detail", data)
task_queue.add_task(
Aio_Req(base_link.format(page + 1),
self.parse_kb_detail,
meta={
"base_link": base_link,
"brand": brand,
"series": series,
"page": page + 1
}))
except:
log.log(brand + series + base_link + str(page), "error")
def parse_comm(self, response):
"""
:param response:文章的评论数据
:return: 把数据持久化进数据库并把下一页的评论数据请求放入任务队列
"""
offset = response["offset"]
comm_id = response["comm_id"]
try:
text = json.loads(response["response"])
data = {}
data["comm_id"] = comm_id
data["arti_data"] = text
log.log("评论 " + str(data), "info")
mon.insert("comm_lst", data)
if not text["paging"]["is_end"]:
log.log("下一个 ", "debug")
next_task = Aio_Req(self.comm_req.format(comm_id=comm_id,
offset=20 *
(offset + 1)),
self.parse_comm,
meta={
"comm_id": comm_id,
"offset": offset
})
task_queue.add_task(next_task)
except Exception as e:
log.log(str(e), "error")
def start_req(self):
"""
初始化请求
:return:
"""
for i in tasks:
base_link = i+"zufang/pg{}/"
page = 1
task_queue.add_task(Aio_Req(base_link.format(page),self.parse_item,meta={"page":page,"base_link":base_link}))
def parse_item(self, response):
"""
:param response:返回初始请求的响应HTML
:return:构造下一页的请求和解析出的数据进行持久化保存
"""
html = etree.HTML(response["response"])
page = response["page"]
base_link = response["base_link"]
items = html.xpath('//ul[@class="sellListContent"]/li')
next_item = html.xpath('//div[@comp-module="page"]/@page-data')
if not next_item:
print(response["response"])
log.log("下一页item " + str(next_item), "debug")
if next_item:
next_data = eval(next_item[0])
if int(next_data["totalPage"]) >= page:
log.log(("总页数 " + str(next_data["totalPage"]) + " " +
"现在页数 " + str(page)), "debug")
log.log(str(items), "debug")
if items:
for j in items:
data = dict()
title = j.xpath('a/img/@alt')
data["city"] = j.xpath('//title/text()')
data["title"] = title
link = j.xpath('a/@href')
data["link"] = link
name = j.xpath(
'div[@class="info clear"]/div[@class="address"]/div[@class="houseInfo"]/a/text()'
)
data["name"] = name
sty_size = j.xpath(
'div[@class="info clear"]/div[@class="address"]/div[@class="houseInfo"]/text()'
)
data["size"] = sty_size
data["uni_price"] = j.xpath(
'div[@class="info clear"]/div[@class="priceInfo"]/div[2]/@data-price'
)
data["price"] = j.xpath(
'div[@class="info clear"]/div[@class="priceInfo"]/div[1]/span/text()'
)
log.log(str(data), "info")
mon.insert("ershou", data)
task_queue.old_task(base_link.format(page))
task_queue.add_task(
Aio_Req(base_link.format(page + 1),
callback=self.parse_item,
meta={
"page": page,
"base_link": base_link
}))
def parse_item(self, response):
html = etree.HTML(response["response"])
page = response["page"]
base_link = response["base_link"]
items = html.xpath('//ul[@class="house-lst"]/li')
next_item = html.xpath('//div[@comp-module="page"]/@page-data')
log.log("下一页item " + str(next_item), "debug")
if next_item:
next_data = eval(next_item[0])
if int(next_data["totalPage"]) >= page:
log.log(("总页数 " + str(next_data["totalPage"]) + " " +
"现在页数 " + str(page)), "debug")
log.log(str(items), "debug")
if items:
for j in items:
data = dict()
title = j.xpath('div[@class="info-panel"]/h2/a/@title')
data["title"] = title
data["city"] = j.xpath('//title/text()')
link = j.xpath('div[@class="pic-panel"]/a/@href')
data["link"] = link
name = j.xpath(
'div[@class="info-panel"]/div[@class="col-1"]/div[@class="where"]/a/span/text()'
)
if not name:
name = j.xpath(
'div[@class="info-panel"]/div[@class="col-1"]/div[@class="where"]/span[@class="region"]/text()'
)
data["name"] = name
sty_size = j.xpath(
'div[@class="info-panel"]/div[@class="col-1"]/div[@class="where"]/span[@class="meters"]/text()'
)
data["size"] = sty_size
data["price"] = j.xpath(
'div[@class="info-panel"]/div[@class="col-3"]/div[@class="price"]/span/text()'
)
data["address"] = j.xpath(
'div[@class="info-panel"]/div[@class="col-1"]/div[@class="other"]/div[@class="con"]/a/text()'
)
log.log(str(data), "info")
mon.insert("zufang", data)
task_queue.old_task(base_link.format(page))
task_queue.add_task(
Aio_Req(base_link.format(page + 1),
callback=self.parse_item,
meta={
"page": page,
"base_link": base_link
}))
def start_req(self):
"""
初始化每个车型的首页论坛页面
:return:
"""
for i in self.cars.keys():
page = 1
car = i
base_link = self.cars[i]
task_queue.add_task(
Aio_Req(base_link.format(page),
self.parse_items,
meta={
"page": page,
"base_link": base_link,
"car": i
}))
def start_req(self):
for i in mon.data_find("kb"):
if "口碑" in i["sele_info"]:
brand = i["brand"]
series = i["series"][0].strip()
kb_link = i["sele_info"]["口碑"].replace(
'.shtml',
"/list-more.json?number=5&page={}&jsonpCallback=article&_=1528591590986&callback=article"
)
task_queue.add_task(
Aio_Req(kb_link.format(1),
self.parse_kb_detail,
meta={
"base_link": kb_link,
"brand": brand,
"series": series,
"page": 1
}))
def parse_brand(self,response):
"""
:param response: 返回品牌条目页的
:return:构造车系的请求
"""
html = etree.HTML(response["response"])
items = html.xpath('//div[@class="img_list_bg"]/ul/li')
for i in items:
data = {}
name = i.xpath('h4/a/text()')[0]
link = urljoin(self.host,i.xpath('h4/a/@href')[0])
brand_id = i.xpath('a/@class')[0]
data["brand_name"] = name
data["brand_link"] = link
data["brand_id"] = brand_id
log.log(str(data),"info")
task_queue.add_task(Aio_Req(link,self.parse_series,meta={"brand":name}))
mon.insert("brand_info",data)
def parse_series(self,response):
"""
:param response:请求到的车系页面
:return:构造车型的口碑请求
"""
brand = response["brand"]
html = etree.HTML(response["response"])
items = html.xpath('//ul[@class="pt_list"]/li')
for i in items:
data = {}
series_name = i.xpath('a/div[@class="info"]/strong/text()')
series_link = urljoin(self.host,i.xpath('a/@href')[0])
data["series_name"] = series_name
data["series_link"] = series_link
data["brand"] = brand
log.log(str(data),"info")
kb_link = re.sub(r'(\?param=.*?)$','dianping.shtml',series_link)
task_queue.add_task(Aio_Req(kb_link,self.parse_kb,meta={"brand":brand,"series":series_name}))
mon.insert("series_info",data)
def parse_arti_lst(self, response):
"""
返回的Json数据解析
:param response:返回的文章数据
:return:构造对应文章的评论的Url，构造成Request放入任务队列
"""
try:
data = json.loads(response["response"])
log.log(str(data), "info")
for i in data["data"]:
log.log(str(i), "info")
comm_id = i["id"]
offset = 0
task_queue.add_task(
Aio_Req(self.comm_req.format(comm_id=comm_id,
offset=offset),
self.parse_comm,
meta={
"comm_id": comm_id,
"offset": offset
}))
except Exception as e:
log.log(str(e), "error")
def start_req(self):
a = Aio_Req(self.start_link,self.parse_brand)
loop = asyncio.get_event_loop()
tasks = [a.aio_req()]
loop.run_until_complete(asyncio.wait(tasks))
def start_req(self):
for i in range(17069):
task_queue.add_task(
Aio_Req(self.follow_base_link.format(i * 10),
self.parse_follow_lst,
meta={"offset": i}))
