def get_updated():
db = pymysql.connect(host="192.168.2.99", user="******", password='******', database="spider", port=3306)
cursor = db.cursor()
sql = "select record_id from spider_sh_related_internet_medicine_msg_server"
cursor.execute(sql)
db_data = cursor.fetchall()
# print(db_data)
# exit()
data = [i[0] for i in db_data]
from pybloom_live import ScalableBloomFilter
bloom = ScalableBloomFilter(initial_capacity=10000,error_rate=0.001)
for bl in data:
bloom.add(bl)
return bloom
def blood_filter_pickle(sum):
sql = "select * from qcc_source_data"
cursor.execute(sql)
data = cursor.fetchall()
if len(data) == 0:
return sum
data = [i[2] for i in data]
from pybloom_live import ScalableBloomFilter
bloom = ScalableBloomFilter(initial_capacity=10000, error_rate=0.001)
for bl in data:
bloom.add(bl)
sum = [i for i in sum if i['园区id'] not in bloom]
return sum
def updated():
db = pymysql.connect(host="192.168.2.97",
user="******",
password='******',
database="spider",
port=3306)
cursor = db.cursor()
sql = "select url from spider_2_company_revoke"
cursor.execute(sql)
db_data = cursor.fetchall()
data = [i[0].strip() for i in db_data]
bloom = ScalableBloomFilter(initial_capacity=100000, error_rate=0.001)
for i in data:
bloom.add(i)
return bloom
class Spider_related(threading.Thread,Downloader):
def __init__(self,keyList_queue,writer,contain):
super(Spider_related, self).__init__()
self.keyList_queue = keyList_queue
self.writer = writer
self.contain = contain
# 可自动扩容的布隆过滤器
self.bloom = ScalableBloomFilter(initial_capacity=100, error_rate=0.001)
def run(self):
while True:
key = self.keyList_queue.get()
# 过滤重复词,如果它存在seo中就跳过
if key in self.bloom:
self.keyList_queue.task_done()
continue
# 依据关键词下载当页的源码
source = self.download(key)
self.bloom.add(key) #每采一个就添加一个，用来过滤重复
# 如果返回的源码为 None则跳过
if source is None:
# task_done() 的作用：只有消费者把队列所有的数据处理完毕，queue.join()才会停止阻塞
self.keyList_queue.task_done()
continue
# 解析源码中的新关键词
self.parse_keyList(source)
self.writer.flush() #每执行一次刷新一次文件记录
self.keyList_queue.task_done()
def parse_keyList(self,source):
ele = etree.HTML(source)
keyList = ele.xpath('//table//tr//th/a/text()')
for key in keyList:
for con in self.contain:
if con in key:
if key in self.bloom:
return
else:
self.writer.write('{}\n'.format(key))
self.keyList_queue.put(key)
print('新词：{}'.format(key))
def get_updated():
db = pymysql.connect(host="192.168.2.97",
user="******",
password='******',
database="spider",
port=3306)
cursor = db.cursor()
sql = "select license_num from spider_qualification"
cursor.execute(sql)
db_data = cursor.fetchall()
data = [i[0] for i in db_data]
from pybloom_live import ScalableBloomFilter
bloom = ScalableBloomFilter(initial_capacity=1000000, error_rate=0.001)
for bl in data:
bloom.add(bl)
return bloom
def get_bloomFilter(self, sql):
bloom = ScalableBloomFilter(mode=ScalableBloomFilter.SMALL_SET_GROWTH)
db = pymysql.connect("localhost", "root", "123456", "mytest", charset='utf8')
cursor = db.cursor()
cursor.execute(sql)
desc = cursor.description
object_dict = [
dict(zip([col[0] for col in desc], row))
for row in cursor.fetchall()
]
# print(object_dict)
cursor.close()
for d in object_dict:
# print(d)
bloom.add(d)
return bloom
def get_updated():
db = pymysql.connect(host="192.168.2.99",
user="******",
password='******',
database="spider",
port=3306)
cursor = db.cursor()
sql = "select record_num from spider_sh_company_medical_equipment_network_third_party_platform"
cursor.execute(sql)
db_data = cursor.fetchall()
data = [i[0] for i in db_data]
from pybloom_live import ScalableBloomFilter
bloom = ScalableBloomFilter(initial_capacity=10000, error_rate=0.001)
for bl in data:
bloom.add(bl)
return bloom
class RemoveSameUrlPipLine:
def __init__(self):
redis_db = redis.Redis(host='127.0.0.1',
port=6379,
db=0,
decode_responses=True)
result = redis_db.smembers('spider:url')
self.sbf = ScalableBloomFilter(
mode=ScalableBloomFilter.SMALL_SET_GROWTH)
for item in result:
self.sbf.add(item)
def process_item(self, item, spider):
if item['link'] in self.sbf:
raise DropItem("same title in %s" % item['link'])
else:
return item
class IgnoreRequestMiddleware(object):
"""
url 请求去重
"""
def __init__(self):
# 可自动伸缩的布隆过滤器
self.sbf = ScalableBloomFilter(initial_capacity=100, error_rate=0.001)
def process_request(self, request, spider):
if not request.url:
return None
url_hash = hashlib.md5(request.url.encode("utf8")).hexdigest()
if url_hash in self.sbf:
raise IgnoreRequest("Spider : %s, IgnoreRequest : %s" %
(spider.name, request.url))
else:
self.sbf.add(url_hash)
def get_bloom():
db = pymysql.connect(host="192.168.2.97",
user="******",
password='******',
database="spider",
port=3306)
cursor = db.cursor()
sql = "select company_num from company_title"
cursor.execute(sql)
db_data = cursor.fetchall()
data = [i[0] for i in db_data]
print(data)
from pybloom_live import ScalableBloomFilter
bloom = ScalableBloomFilter(initial_capacity=100000, error_rate=0.001)
for bl in data:
bloom.add(bl)
db.close()
return bloom
def main():
'''
有icp edi 域名备案
:return:
'''
db = pymysql.connect(host="192.168.2.99",
user="******",
password='******',
database="spider",
port=3306)
cursor = db.cursor()
sql = 'select distinct (company_name) from spider_company_icp;'
cursor.execute(sql)
domain_data = cursor.fetchall()
domain_data = [i[0] for i in domain_data]
# print(domain_data)
print('icp 域名备案 ---- count：{}'.format(len(domain_data)))
'''
没有icp edi 许可证
:return:
'''
add_value_telecom_lists = model1_filter_data(
'spider_add_value_telecom_info_hz')
industry_lists = model1_filter_data('spider_industry_information')
industry_gov_lists = model1_filter_data('spider_industry_information_gov')
p = add_value_telecom_lists + industry_lists + industry_gov_lists
bloom = ScalableBloomFilter(initial_capacity=1000000, error_rate=0.001)
for i in p:
bloom.add(i)
sum = []
for company in domain_data:
if company not in bloom:
sum.append(company)
else:
print('具有ICp许可证', company)
print('icp 域名备案 ,没有icp许可证的公司 ----- count:{}'.format(len(sum)))
print(sum)
for i in sum:
medicine = Medicine(company_name=i)
session.add(medicine)
session.commit()
session.close()
def generate_mul_col_bloom(conf, capacity, cursor):
"""
根据配置文件，初始容量，放入bloom过滤器的数据为联合外键分析生成bloom过滤器
:param conf: 配置信息
:param capacity: bloom过滤器初始容量
:param cursor: 联合主键的值
:return: bloom过滤器对象
"""
assert isinstance(conf, Config)
b = ScalableBloomFilter(initial_capacity=capacity,
error_rate=conf.bloom_error_rate)
while True:
row = cursor.fetchone()
if not row:
break
# 核心算法：遍历联合主键的每一行，将值生成一个frozenset，对frozenset取hash，将hash值放入bloom过滤器
hash_elem = get_md5([str(elem).rstrip() for elem in row])
b.add(hash_elem)
return b
def get_updated():
db = pymysql.connect(host="192.168.2.99",
user="******",
password='******',
database="spider",
port=3306)
cursor = db.cursor()
sql = "select permit_number from spider_add_value_telecom_info"
cursor.execute(sql)
db_data = cursor.fetchall()
# print(db_data)
# exit()
data = [i[0].strip() for i in db_data]
# print(data)
# exit()
from pybloom_live import ScalableBloomFilter
bloom = ScalableBloomFilter(initial_capacity=10000, error_rate=0.001)
for bl in data:
bloom.add(bl)
return bloom
def collection_list_field(list, data, main_field):
if list:
bloom = ScalableBloomFilter(
mode=ScalableBloomFilter.SMALL_SET_GROWTH)
for l in list:
bloom.add(l)
if data not in bloom:
for l in list:
if l[main_field] == data[main_field]:
list.remove(l)
item = {}
for k, v in l.items():
item[k] = databaseTool.collection_field(
databaseTool.is_field_dict(l, k),
databaseTool.is_field_dict(data, k))
list.append(item)
else:
list.append(data)
else:
list.append(data)
return list
class ConOfAllData(object):
def __init__(self, site_name):
self.client = MongoClient('localhost', 27017)
self.db = self.client.crawlSpider
self.col_url = self.db[site_name + "_url"]
self.col_content = self.db[site_name + "_content"]
self.sbf = ScalableBloomFilter(initial_capacity=100)
for item in self.col_url.find():
self.sbf.add(item["url"])
self.insert_url = []
self.insert_content = []
def isexist(self, url):
if url in self.sbf:
return True
else:
self.sbf.add(url)
self.insert_url.append({"url": url})
return False
def insert(self, content):
if content['real_url'] is not None and content[
'title'] is not None and content['abstract'] is not None:
self.insert_content.append(content)
def end(self):
if len(self.insert_url) != 0:
self.col_url.insert_many(self.insert_url)
if len(self.insert_content) != 0:
self.col_content.insert_many(self.insert_content)
#if __name__ == "__main__":
#coad = ConOfAllData("ningxia")
#coad.isexist("1")
#coad.isexist('2')
#coad.isexist("1")
#coad.insert({"site": "ningxia"})
#coad.insert({"site": "guangdong"})
#coad.end()
def delete_duplicate_data(self, file):
"""
去重函数
:param file:
:return:
"""
bloom = ScalableBloomFilter(initial_capacity=100,
error_rate=0.00000001)
temp_name = file.replace(".txt", "_temp.txt")
with open(file, 'r',
encoding='utf8') as r_f, open(temp_name,
'a',
encoding='utf8') as w_f:
for line in r_f:
line_content = line.strip()
if line_content not in bloom:
bloom.add(line_content)
w_f.write(line_content + "\n")
else:
print(line_content)
os.remove(file)
os.rename(temp_name, file)
class GanjiPipeline(object):
@classmethod
def from_crawler(cls, crawler):
return cls(crawler.settings)
def __init__(self, settings):
# mysql
self.conn = create_engine(
f'mysql+pymysql://{settings["MYSQL_USER"]}:{settings["MYSQL_PWD"]}@{settings["MYSQL_SERVER"]}:{settings["MYSQL_PORT"]}/{settings["MYSQL_DB"]}?charset=utf8'
)
# mongo
# uri = f'mongodb://{settings["MONGODB_USER"]}:{settings["MONGODB_PWD"]}@{settings["MONGODB_SERVER"]}:{settings["MONGODB_PORT"]}/'
# self.connection = pymongo.MongoClient(uri)
# self.connection = pymongo.MongoClient(
# settings['MONGODB_SERVER'],
# settings['MONGODB_PORT']
# )
# db = self.connection[settings['MONGODB_DB']]
# self.collection = db[settings['MONGODB_COLLECTION']]
# # count
self.mongocounts = 0
self.counts = 0
self.CrawlCar_Num = 1000000
self.settings = settings
self.add_num = 0
self.drop_num = 0
# bloom file
filename = str(pathlib.Path.cwd()) + '/blm/' + settings[
'MYSQL_DB'] + '/' + settings['MYSQL_TABLE'] + '.blm'
dirname = str(pathlib.Path.cwd()) + '/blm/' + settings['MYSQL_DB']
self.df_result = pd.DataFrame()
self.df = ScalableBloomFilter(initial_capacity=self.CrawlCar_Num,
error_rate=0.01)
# self.df = BloomFilter(capacity=self.CrawlCar_Num, error_rate=0.01)
# # read
if os.path.exists(dirname):
if os.path.exists(filename):
self.fa = open(filename, "a")
else:
pathlib.Path(filename).touch()
self.fa = open(filename, "a")
else:
os.makedirs(dirname)
pathlib.Path(filename).touch()
self.fa = open(filename, "a")
with open(filename, "r") as fr:
lines = fr.readlines()
for line in lines:
line = line.strip('\n')
self.df.add(line)
def open_spider(self, spider):
pass
def process_item(self, item, spider):
if spider.name in [
'ganji', 'crawl_jingzhengu', 'xiaozhu', 'hry2car', 'che168',
'youxin', 'chesupai', 'youxin_master', 'auto51',
'autohome_butie'
]:
valid = True
i = md5(item['status'].encode("utf8")).hexdigest()
returndf = self.df.add(i)
field_list = [
"carsource", "grab_time", "price1", "mileage", "post_time",
"sold_date", "city", "registerdate"
]
data = dict()
for field in field_list:
data[field] = item[field] if field in item else None
if returndf:
self.drop_num += 1
valid = False
else:
pass
if valid:
self.fa.writelines(i + '\n')
# 数据存入mysql
items = list()
items.append(item)
df = pd.DataFrame(items)
if spider.name in [
'test',
]:
self.df_result = pd.concat([self.df_result, df])
self.mongocounts += 1
logging.log(
msg=
f"add {self.mongocounts} items",
level=logging.INFO)
else:
df.to_sql(name=self.settings['MYSQL_TABLE'],
con=self.conn,
if_exists="append",
index=False)
self.mongocounts += 1
logging.log(
msg=
f"scrapy {self.mongocounts} items",
level=logging.INFO)
def close_spider(self, spider):
# self.connection.close()
logging.log(
msg=f"drop {self.drop_num} items",
level=logging.INFO)
if spider.name in ['test']:
self.df_result.to_sql(name=self.settings['MYSQL_TABLE'],
con=self.conn,
if_exists="append",
index=False)
self.conn.dispose()
class Crawler(object):
def __init__(self, site):
'''
(Crawler, str) -> Crawler
creates a Crawler with a given origin_url
'''
self.site = site
self.filters = site.referringsitefilter_set.all()
self.domain = urlparse(site.url).netloc
# http://alexeyvishnevsky.com/2013/11/tips-on-optimizing-scrapy-for-a-high-performance/
# fork of pybloom: https://github.com/joseph-fox/python-bloomfilter
self.ignore_filter = ScalableBloomFilter(
initial_capacity=10000000,
error_rate=0.00001)
ignore_filter_dir='../ignore_filter/'
if not os.path.exists(ignore_filter_dir):
os.makedirs(ignore_filter_dir)
self.ignore_filter = ScalableBloomFilter(
initial_capacity=10000000,
error_rate=0.00001)
try:
f = open('../ignore_filter/' + self.site.name + '_ignore_file.txt', 'r+')
f.write(self.ignore_filter)
except IOError:
f = open('../ignore_filter/' + self.site.name + '_ignore_file.txt', 'w+')
f.close()
else:
if (not(os.path.exists('../ignore_filter/' + self.site.name + '_ignore_file.txt'))):
f = open('../ignore_filter/' + self.site.name + '_ignore_file.txt', 'w+')
f.close()
with open('../ignore_filter/' + self.site.name + '_ignore_file.txt', 'r+', buffering=False) as ignore_filter_file:
try:
for line in ignore_filter_file:
self.ignore_filter.add(line.decode('utf8').rstrip())
except Exception as e:
logging.info(str(e))
ignore_filter_file.close()
self.visited_count = 0
tmpqueuetmp_dir='../tmpqueue/tmp/'
if not os.path.exists(tmpqueuetmp_dir):
os.makedirs(tmpqueuetmp_dir)
slugified_name = slugify(unicode(site.name))
tmpqueue_dir = '../tmpqueue/{}'.format(slugified_name)
if not os.path.exists(tmpqueue_dir):
os.makedirs(tmpqueue_dir)
self.to_visit = Queue(tmpqueue_dir, tempdir=tmpqueuetmp_dir)
# Initial url
if (self.site.is_shallow == False):
self.to_visit.put(site.url)
else:
self.to_visit.put((site.url, str(0)))
# Limit
self.limit = common.get_config()["crawler"]["limit"]
# Specifies how deep the shallow crawler should go; "1" is the lowest option for this
self.level = common.get_config()["crawler"]["level"]
"""
self.probabilistic_n = common.get_config()["crawler"]["n"]
self.probabilistic_k = common.get_config()["crawler"]["k"]
self.db = psycopg2.connect(host='localhost',
database=common.get_config()["crawler"]["postgresql"]["name"],
user=common.get_config()["crawler"]["postgresql"]["user"],
password=common.get_config()["crawler"]["postgresql"]["password"])
self.cursor = self.db.cursor()
self.already_added_urls = set()
self.visited_table = "visited_" + str(site.id)
self.tovisit_table = "tovisit_" + str(site.id)
#self.cursor.execute("DROP TABLE IF EXISTS " + self.visited_table)
#self.cursor.execute("CREATE TABLE " + self.visited_table + " (url VARCHAR(1024) PRIMARY KEY)")
self.cursor.execute("DROP TABLE IF EXISTS " + self.tovisit_table)
self.cursor.execute(u"CREATE TABLE " + self.tovisit_table + " (id SERIAL PRIMARY KEY, url VARCHAR(1024))")
#self.cursor.execute(u"INSERT INTO " + self.visited_table + " VALUES (%s)", (site.url,))
self.cursor.execute(u"INSERT INTO " + self.tovisit_table + " VALUES (DEFAULT, %s)", (site.url,))
self.db.commit()
"""
def __iter__(self):
return self
def next(self):
'''
(Crawler) -> newspaper.Article
returns the next article in the sequence
'''
#standard non-recursive tree iteration
with open('../ignore_filter/' + self.site.name + '_ignore_file.txt', 'a') as ignore_filter_file:
try:
current_level = 0
while(True):
if (self.limit > 0 and self.visited_count > self.limit):
raise StopIteration('Limit reached: {:d}'.format(self.limit))
# if(self.pages_visited > self.probabilistic_n):
# raise StopIteration
# self.cursor.execute("SELECT * FROM " + self.tovisit_table + " ORDER BY id LIMIT 1")
# row = self.cursor.fetchone()
# if(row):
# row_id = row[0]
# current_url = row[1]
# self.cursor.execute("DELETE FROM " + self.tovisit_table + " WHERE id=%s", (row_id,))
# else:
# raise StopIteration
# if(self._should_skip()):
# logging.info(u"skipping {0} randomly".format(current_url))
# continue
try:
if (self.site.is_shallow):
current = self.to_visit.get_nowait()
current_url = current[0]
current_level = current[1]
logging.info(u"Shallow on level {0} {1}".format(current_level, current_url))
else:
current_url = self.to_visit.get_nowait()
except Empty:
self.site.is_shallow = True # On line 26 the site gets set TO DELETE
self.to_visit.put((self.site.url, str(0)))
self.ignore_filter = ScalableBloomFilter(
initial_capacity=10000000,
error_rate=0.00001)
ignore_filter_file.close()
os.remove('../ignore_filter/' + self.site.name + '_ignore_file.txt')
logging.info("stopped iteration")
logging.info(u"{0}".format(self.site.url))
raise ZeroDivisionError
logging.info(u"visiting {0}".format(current_url))
self.visited_count += 1
#use newspaper to download and parse the article
article = ExplorerArticle(current_url)
article.download()
if (self.site.is_shallow):
if (int(current_level) > self.level):
continue
# get urls from the article
for link in article.get_links():
url = urljoin(current_url, link.href, False)
if self.url_in_filter(url, self.filters):
logging.info(u"skipping url \"{0}\" because it matches filter".format(url))
continue
try:
parsed_url = urlparse(url)
parsed_as_list = list(parsed_url)
if(parsed_url.scheme != u"http" and parsed_url.scheme != u"https"):
logging.info(u"skipping url with invalid scheme: {0}".format(url))
continue
parsed_as_list[5] = ''
url = urlunparse(urlnorm.norm_tuple(*parsed_as_list))
except Exception as e:
logging.info(u"skipping malformed url {0}. Error: {1}".format(url, str(e)))
continue
if(not parsed_url.netloc.endswith(self.domain)):
continue
# If the url have been added to ignore list, skip
if (url in self.ignore_filter):
continue
# Ignores the subscribe links for many domains
if (u"subscribe" in url or "subscribe" in url and not(u"-subscribe" in url or "-subscribe" or u"subscribe-" in url or "subscribe-")):
continue
# Append the url to to_visit queue
if (self.site.is_shallow):
self.to_visit.put((url, str(int(current_level) + 1)))
logging.info(u"added {0} to the to_visit as well as the level {1}".format(url, str(int(current_level) + 1)))
# Append the url to visited to remove duplicates
self.ignore_filter.add(url)
ignore_filter_file.write(url.encode('utf8') + "\n")
else:
self.to_visit.put(url)
logging.info(u"added {0} to the to_visit".format(url))
# Append the url to visited to remove duplicates
self.ignore_filter.add(url)
ignore_filter_file.write(url.encode('utf8') + "\n")
# Update the Queue
self.to_visit.task_done()
return article
except StopIteration as e:
raise e
except ValueError as e:
raise ValueError
except Exception as e:
raise e
def url_in_filter(self, url, filters):
"""
Checks if any of the filters matches the url.
Filters can be in regex search or normal string comparison.
"""
for filt in filters:
if ((filt.regex and re.search(filt.pattern, url, re.IGNORECASE)) or
(not filt.regex and filt.pattern in url)):
return True
return False
class GanjiPipeline(object):
@classmethod
def from_crawler(cls, crawler):
return cls(crawler.settings)
def __init__(self, settings):
# mysql
self.conn = create_engine(
f'mysql+pymysql://{settings["MYSQL_USER"]}:{settings["MYSQL_PWD"]}@{settings["MYSQL_SERVER"]}:{settings["MYSQL_PORT"]}/{settings["MYSQL_DB"]}?charset=utf8'
)
# mongo
# uri = f'mongodb://{settings["MONGODB_USER"]}:{settings["MONGODB_PWD"]}@{settings["MONGODB_SERVER"]}:{settings["MONGODB_PORT"]}/'
# self.connection = pymongo.MongoClient(uri)
# self.connection = pymongo.MongoClient(
# settings['MONGODB_SERVER'],
# settings['MONGODB_PORT']
# )
# db = self.connection[settings['MONGODB_DB']]
# self.collection = db[settings['MONGODB_COLLECTION']]
# # count
self.mongocounts = 0
self.counts = 0
self.CrawlCar_Num = 1000000
self.settings = settings
self.add_num = 0
self.drop_num = 0
self.log_dict = {
"projectName": "used-car-scrapy",
"logProgram": '',
"logProgramPath": str(pathlib.Path.cwd()),
"logPath": "/home/logs/usedcar_new",
"logTime": '',
"logMessage": "",
"logServer": "192.168.1.241",
"logObjectType": "UsedCarPaChong",
"logObject": {
"field": '',
"info": {
"dataBaseType": 'mysql',
"dataBaseName": '',
"tableName": '',
"saveStatus": ''
}
}
}
# bloom file
filename = str(pathlib.Path.cwd()) + '/blm/' + settings[
'MYSQL_DB'] + '/' + settings['MYSQL_TABLE'] + '.blm'
dirname = str(pathlib.Path.cwd()) + '/blm/' + settings['MYSQL_DB']
self.df_result = pd.DataFrame()
self.df = ScalableBloomFilter(initial_capacity=self.CrawlCar_Num,
error_rate=0.01)
# self.df = BloomFilter(capacity=self.CrawlCar_Num, error_rate=0.01)
# # read
if os.path.exists(dirname):
if os.path.exists(filename):
self.fa = open(filename, "a")
else:
pathlib.Path(filename).touch()
self.fa = open(filename, "a")
else:
os.makedirs(dirname)
pathlib.Path(filename).touch()
self.fa = open(filename, "a")
with open(filename, "r") as fr:
lines = fr.readlines()
for line in lines:
line = line.strip('\n')
self.df.add(line)
def open_spider(self, spider):
pass
def process_item(self, item, spider):
if spider.name in ['chesupai']:
self.log_dict["logServer"] = "192.168.1.241"
if spider.name in ['anxinpai']:
self.log_dict["logServer"] = "192.168.1.249"
if spider.name in ['crawl_jingzhengu', 'ganji']:
self.log_dict["logServer"] = "192.168.1.248"
if spider.name in ['xiaozhu', 'hry2car']:
self.log_dict["logServer"] = "192.168.1.92"
if spider.name in [
'ganji', 'crawl_jingzhengu', 'xiaozhu', 'hry2car', 'che168',
'youxin', 'chesupai', 'youxin_master', 'auto51'
]:
valid = True
i = md5(item['statusplus'].encode("utf8")).hexdigest()
returndf = self.df.add(i)
self.log_dict["logProgram"] = spider.name
self.log_dict["logTime"] = item["grab_time"]
self.log_dict["logType"] = 'INFO'
self.log_dict["logMessage"] = "successful"
field_list = [
"carsource", "grab_time", "price1", "mileage", "post_time",
"sold_date", "city", "registerdate"
]
data = dict()
for field in field_list:
data[field] = item[field] if field in item else None
self.log_dict["logObject"]["field"] = data
self.log_dict["logObject"]["field"]["carsource"] = item[
"car_source"]
self.log_dict["logObject"]["info"][
"dataBaseName"] = "usedcar_update"
self.log_dict["logObject"]["info"][
"tableName"] = spider.name + '_online'
if returndf:
self.drop_num += 1
valid = False
# self.log_dict["logObject"]["info"]["saveStatus"] = "false"
self.log_dict["logObject"]["info"]["saveStatus"] = "true"
logging.log(msg=json.dumps(self.log_dict, ensure_ascii=False),
level=logging.INFO)
# raise DropItem("Drop data {0}!".format(item["url"]))
else:
pass
if valid:
self.fa.writelines(i + '\n')
# 数据存入mysql
items = list()
items.append(item)
df = pd.DataFrame(items)
if spider.name in [
'test',
]:
self.df_result = pd.concat([self.df_result, df])
self.mongocounts += 1
logging.log(
msg=
f"add {self.mongocounts} items",
level=logging.INFO)
else:
# self.log_dict["logObject"]["info"]["saveStatus"] = "true"
self.log_dict["logObject"]["info"]["saveStatus"] = "false"
logging.log(msg=json.dumps(self.log_dict,
ensure_ascii=False),
level=logging.INFO)
df.to_sql(name=self.settings['MYSQL_TABLE'],
con=self.conn,
if_exists="append",
index=False)
self.mongocounts += 1
logging.log(
msg=
f"scrapy {self.mongocounts} items",
level=logging.INFO)
def close_spider(self, spider):
# self.connection.close()
logging.log(
msg=f"drop {self.drop_num} items",
level=logging.INFO)
if spider.name in ['test']:
self.df_result.to_sql(name=self.settings['MYSQL_TABLE'],
con=self.conn,
if_exists="append",
index=False)
self.conn.dispose()
class Crawler(object):
def __init__(self, site):
'''
(Crawler, str) -> Crawler
creates a Crawler with a given origin_url
'''
self.site = site
self.filters = site.referringsitefilter_set.all()
self.domain = urlparse(site.url).netloc
# http://alexeyvishnevsky.com/2013/11/tips-on-optimizing-scrapy-for-a-high-performance/
# fork of pybloom: https://github.com/joseph-fox/python-bloomfilter
self.ignore_filter = ScalableBloomFilter(initial_capacity=10000000,
error_rate=0.00001)
ignore_filter_dir = '../ignore_filter/'
if not os.path.exists(ignore_filter_dir):
os.makedirs(ignore_filter_dir)
self.ignore_filter = ScalableBloomFilter(initial_capacity=10000000,
error_rate=0.00001)
try:
f = open(
'../ignore_filter/' + self.site.name + '_ignore_file.txt',
'r+')
f.write(self.ignore_filter)
except IOError:
f = open(
'../ignore_filter/' + self.site.name + '_ignore_file.txt',
'w+')
f.close()
else:
if (not (os.path.exists('../ignore_filter/' + self.site.name +
'_ignore_file.txt'))):
f = open(
'../ignore_filter/' + self.site.name + '_ignore_file.txt',
'w+')
f.close()
with open('../ignore_filter/' + self.site.name +
'_ignore_file.txt',
'r+',
buffering=False) as ignore_filter_file:
try:
for line in ignore_filter_file:
self.ignore_filter.add(line.decode('utf8').rstrip())
except Exception as e:
logging.info(str(e))
ignore_filter_file.close()
self.visited_count = 0
tmpqueuetmp_dir = '../tmpqueue/tmp/'
if not os.path.exists(tmpqueuetmp_dir):
os.makedirs(tmpqueuetmp_dir)
slugified_name = slugify(unicode(site.name))
tmpqueue_dir = '../tmpqueue/{}'.format(slugified_name)
if not os.path.exists(tmpqueue_dir):
os.makedirs(tmpqueue_dir)
self.to_visit = Queue(tmpqueue_dir, tempdir=tmpqueuetmp_dir)
# Initial url
if (self.site.is_shallow == False):
self.to_visit.put(site.url)
else:
self.to_visit.put((site.url, str(0)))
# Limit
self.limit = common.get_config()["crawler"]["limit"]
# Specifies how deep the shallow crawler should go; "1" is the lowest option for this
self.level = common.get_config()["crawler"]["level"]
"""
self.probabilistic_n = common.get_config()["crawler"]["n"]
self.probabilistic_k = common.get_config()["crawler"]["k"]
self.db = psycopg2.connect(host='localhost',
database=common.get_config()["crawler"]["postgresql"]["name"],
user=common.get_config()["crawler"]["postgresql"]["user"],
password=common.get_config()["crawler"]["postgresql"]["password"])
self.cursor = self.db.cursor()
self.already_added_urls = set()
self.visited_table = "visited_" + str(site.id)
self.tovisit_table = "tovisit_" + str(site.id)
#self.cursor.execute("DROP TABLE IF EXISTS " + self.visited_table)
#self.cursor.execute("CREATE TABLE " + self.visited_table + " (url VARCHAR(1024) PRIMARY KEY)")
self.cursor.execute("DROP TABLE IF EXISTS " + self.tovisit_table)
self.cursor.execute(u"CREATE TABLE " + self.tovisit_table + " (id SERIAL PRIMARY KEY, url VARCHAR(1024))")
#self.cursor.execute(u"INSERT INTO " + self.visited_table + " VALUES (%s)", (site.url,))
self.cursor.execute(u"INSERT INTO " + self.tovisit_table + " VALUES (DEFAULT, %s)", (site.url,))
self.db.commit()
"""
def __iter__(self):
return self
def next(self):
'''
(Crawler) -> newspaper.Article
returns the next article in the sequence
'''
#standard non-recursive tree iteration
with open('../ignore_filter/' + self.site.name + '_ignore_file.txt',
'a') as ignore_filter_file:
try:
current_level = 0
while (True):
if (self.limit > 0 and self.visited_count > self.limit):
raise StopIteration('Limit reached: {:d}'.format(
self.limit))
# if(self.pages_visited > self.probabilistic_n):
# raise StopIteration
# self.cursor.execute("SELECT * FROM " + self.tovisit_table + " ORDER BY id LIMIT 1")
# row = self.cursor.fetchone()
# if(row):
# row_id = row[0]
# current_url = row[1]
# self.cursor.execute("DELETE FROM " + self.tovisit_table + " WHERE id=%s", (row_id,))
# else:
# raise StopIteration
# if(self._should_skip()):
# logging.info(u"skipping {0} randomly".format(current_url))
# continue
try:
if (self.site.is_shallow):
current = self.to_visit.get_nowait()
current_url = current[0]
current_level = current[1]
logging.info(u"Shallow on level {0} {1}".format(
current_level, current_url))
else:
current_url = self.to_visit.get_nowait()
except Empty:
self.site.is_shallow = True # On line 26 the site gets set TO DELETE
self.to_visit.put((self.site.url, str(0)))
self.ignore_filter = ScalableBloomFilter(
initial_capacity=10000000, error_rate=0.00001)
ignore_filter_file.close()
os.remove('../ignore_filter/' + self.site.name +
'_ignore_file.txt')
logging.info("stopped iteration")
logging.info(u"{0}".format(self.site.url))
raise ZeroDivisionError
logging.info(u"visiting {0}".format(current_url))
self.visited_count += 1
#use newspaper to download and parse the article
article = ExplorerArticle(current_url)
article.download()
if (self.site.is_shallow):
if (int(current_level) > self.level):
continue
# get urls from the article
for link in article.get_links():
url = urljoin(current_url, link.href, False)
if self.url_in_filter(url, self.filters):
logging.info(
u"skipping url \"{0}\" because it matches filter"
.format(url))
continue
try:
parsed_url = urlparse(url)
parsed_as_list = list(parsed_url)
if (parsed_url.scheme != u"http"
and parsed_url.scheme != u"https"):
logging.info(
u"skipping url with invalid scheme: {0}".
format(url))
continue
parsed_as_list[5] = ''
url = urlunparse(
urlnorm.norm_tuple(*parsed_as_list))
except Exception as e:
logging.info(
u"skipping malformed url {0}. Error: {1}".
format(url, str(e)))
continue
if (not parsed_url.netloc.endswith(self.domain)):
continue
# If the url have been added to ignore list, skip
if (url in self.ignore_filter):
continue
# Ignores the subscribe links for many domains
if (u"subscribe" in url or "subscribe" in url and
not (u"-subscribe" in url or "-subscribe"
or u"subscribe-" in url or "subscribe-")):
continue
# Append the url to to_visit queue
if (self.site.is_shallow):
self.to_visit.put(
(url, str(int(current_level) + 1)))
logging.info(
u"added {0} to the to_visit as well as the level {1}"
.format(url, str(int(current_level) + 1)))
# Append the url to visited to remove duplicates
self.ignore_filter.add(url)
ignore_filter_file.write(url.encode('utf8') + "\n")
else:
self.to_visit.put(url)
logging.info(
u"added {0} to the to_visit".format(url))
# Append the url to visited to remove duplicates
self.ignore_filter.add(url)
ignore_filter_file.write(url.encode('utf8') + "\n")
# Update the Queue
self.to_visit.task_done()
return article
except StopIteration as e:
raise e
except ValueError as e:
raise ValueError
except Exception as e:
raise e
def url_in_filter(self, url, filters):
"""
Checks if any of the filters matches the url.
Filters can be in regex search or normal string comparison.
"""
for filt in filters:
if ((filt.regex and re.search(filt.pattern, url, re.IGNORECASE))
or (not filt.regex and filt.pattern in url)):
return True
return False
class AutohomeNewPipeline:
@classmethod
def from_crawler(cls, crawler):
return cls(crawler.settings)
def __init__(self, settings):
# mysql
self.conn = create_engine(
f'mysql+pymysql://{settings["MYSQL_USER"]}:{settings["MYSQL_PWD"]}@{settings["MYSQL_SERVER"]}:{settings["MYSQL_PORT"]}/{settings["MYSQL_DB"]}?charset=utf8'
)
# mongo
self.connection = pymongo.MongoClient(settings['MONGODB_SERVER'],
settings['MONGODB_PORT'])
db = self.connection[settings['MONGODB_DB']]
website = settings["WEBSITE"]
self.collection = db[settings['MONGODB_COLLECTION']]
# count
self.mysqlcounts = 0
self.counts = 0
self.settings = settings
# bloom file
self.CrawlCar_Num = 1000000
filename = str(pathlib.Path.cwd()) + '/blm/' + settings[
'MONGODB_DB'] + '/' + settings['MONGODB_COLLECTION'] + '.blm'
dirname = str(pathlib.Path.cwd()) + '/blm/' + settings['MONGODB_DB']
self.df = ScalableBloomFilter(initial_capacity=self.CrawlCar_Num,
error_rate=0.01)
if os.path.exists(dirname):
if os.path.exists(filename):
self.fa = open(filename, "a")
else:
pathlib.Path(filename).touch()
self.fa = open(filename, "a")
else:
os.makedirs(dirname)
pathlib.Path(filename).touch()
self.fa = open(filename, "a")
with open(filename, "r") as fr:
lines = fr.readlines()
for line in lines:
line = line.strip('\n')
self.df.add(line)
self.counts = 0
def process_item(self, item, spider):
# mongo要有重字段status的爬虫名字写进去
if spider.name in ["autohome_dealer", " "]:
valid = True
i = md5(item['status'].encode("utf8")).hexdigest()
returndf = self.df.add(i)
if returndf:
valid = False
raise DropItem("Drop data {0}!".format(item["status"]))
else:
self.fa.writelines(i + '\n')
self.collection.insert(dict(item))
logging.log(msg="Car added to MongoDB database!",
level=logging.INFO)
self.counts += 1
logging.log(msg="scrapy " +
str(self.counts) + " items",
level=logging.INFO)
return item
# mongo不需要去重的爬虫名字写进去
elif spider.name in ["", " "]:
self.collection.insert(dict(item))
logging.log(msg="Car added to MongoDB database!",
level=logging.INFO)
self.counts += 1
logging.log(msg="scrapy " + str(self.counts) +
" items",
level=logging.INFO)
return item
# mysql有要去重字段status的爬虫名字写进去
elif spider.name in ['', ' ']:
valid = True
i = md5(item['status'].encode("utf8")).hexdigest()
returndf = self.df.add(i)
if returndf:
valid = False
raise DropItem("Drop data {0}!".format(item["status"]))
else:
self.fa.flush()
self.fa.writelines(i + '\n')
self.mysqlcounts += 1
logging.log(
msg=
f"scrapy {self.mysqlcounts} items",
level=logging.INFO)
# 数据存入mysql
items = list()
items.append(item)
df = pd.DataFrame(items)
df.to_sql(name=self.settings['MYSQL_TABLE'],
con=self.conn,
if_exists="append",
index=False)
logging.log(msg=f"add data in mysql", level=logging.INFO)
return item
# mysql不需要去重的爬虫名字写进去
elif spider.name in ['baidu', '']:
self.mysqlcounts += 1
logging.log(
msg=
f"scrapy {self.mysqlcounts} items",
level=logging.INFO)
# 数据存入mysql
items = list()
items.append(item)
df = pd.DataFrame(items)
df.to_sql(name=self.settings['MYSQL_TABLE'],
con=self.conn,
if_exists="append",
index=False)
logging.log(msg=f"add data in mysql", level=logging.INFO)
return item
def close_spider(self, spider):
self.connection.close()
self.fa.close()
class WeiboCnSpider:
def __init__(self, tasks=2, loop=None):
self.tasks = tasks
self.loop = loop or asyncio.get_event_loop()
self.redis_cookie = RedisCookie()
self.redis_cookie_now = src.redis_cookies.RedisCookies()
self.redis_job = RedisJob()
self.bloom_filter = ScalableBloomFilter(mode=ScalableBloomFilter.SMALL_SET_GROWTH)
self.weibo_limit = True
self.time_current_pattern = re.compile(r'(\d*)分钟前')
self.time_today_pattern = re.compile(r'今天\s*(\d*):(\d*)')
self.time_year_pattern = re.compile(r'(\d*)月(\d*)日\s*(\d*):(\d*)')
self.user_id_pattern = re.compile(r'https://weibo.cn/u/(\d*)')
self.weibo_host = 'https://weibo.cn'
self.follow_url = self.weibo_host + '/%s/follow'
self.redis_job_now = src.redis_cookies.RedisJob()
self.fan_url = self.weibo_host + '/%s/fans'
self.user_info_url = self.weibo_host + '/%s/info'
self.user_tweet_url = self.weibo_host + '/%s'
self.user_tweet_url2 = self.weibo_host + '/%s?page=%d'
self.user_repost_url = self.weibo_host + '/repost/%s'
self.user_repost_url2 = self.weibo_host + '/repost/%s?page=%d'
self.tweet_comment_url = self.weibo_host + '/comment/%s'
self.tweet_comment_url2 = self.weibo_host + '/comment/%s?page=%d'
self.weibo_producer = WeiboProcuder(['localhost:9092'], 'lyzzrO_U')
self.search_url = 'https://weibo.cn/search/?pos=search'
self.get_search_url = 'https://weibo.cn/search/mblog/?keyword=%s&filter=hasori'
self.topic_max_page = 500
self.super_new_fan_max_page = 500
self.topic_url = 'https://m.weibo.cn/api/container/getIndex?containerid=1008086a8d30da45d91717a596df498af918aa_-_feed&page=%d'
self.super_new_fan_url = 'https://m.weibo.cn/api/container/getIndex?containerid=2311406a8d30da45d91717a596df498af918aa_-_super_newfans&page=%d'
async def crawl_follow(self):
while True:
follow_dict = self.redis_job_now.fetch_job(JobType.follower.value)
if follow_dict:
try:
await self.grab_follow(follow_dict)
LOGGER.info('finish %d follow crawl ' % follow_dict['uid'])
except TimeoutError as e:
print(e)
except:
LOGGER.error(traceback.format_exc())
sleep(5 * 60)
async def grab_follow(self, follow_dict):
LOGGER.info('start grab user follow: %s' % str(follow_dict))
html_content = await self.grab_html(follow_dict['url'])
follow_html = BeautifulSoup(html_content, "lxml")
all_td = follow_html.find_all('td', style=True)
follow_id=[]
for td in all_td:
a = td.find('a').get('href')
usr_id_result = self.user_id_pattern.findall(a)
if usr_id_result:
usr_id = usr_id_result[0]
else:
usr_id = await self.get_user_id_from_homepage(a)
if usr_id not in follow_id:
follow_id.append(int(usr_id))
user_follow_dict={}
follow_id_key_list = [i for i in range(len(follow_id))]
follow_id = dict(zip(follow_id_key_list, follow_id))
user_follow_dict['type'] = 'follow'
user_follow_dict['uid'] = follow_dict['uid']
user_follow_dict['fans_id'] = follow_id
await self.weibo_producer.send(user_follow_dict, self.follow_url % follow_dict['uid'])
if 'page=' not in follow_dict['url']:
page_div = follow_html.find(id='pagelist')
if page_div:
max_page = int(page_div.input.get('value'))
if max_page>20:
max_page=20
for page in range(2, max_page + 1):
await self.redis_job.push_job(JobType.follower.value,
{'url': (self.follow_url % follow_dict['uid']) + '?page=' + str(page),
'uid': follow_dict['uid']})
async def crawl_fan(self):
while True:
fan_dict = self.redis_job_now.fetch_job(JobType.fan.value)
if fan_dict:
try:
await self.grab_fan(fan_dict)
LOGGER.info('finish %d fan crawl ' % fan_dict['uid'])
except TimeoutError as e:
print(e)
except:
LOGGER.error(traceback.format_exc())
sleep(5 * 60)
async def grab_fan(self, fan_dict):
LOGGER.info('start grab user fan: %s' % str(fan_dict))
html_content = await self.grab_html(fan_dict['url'])
fan_html = BeautifulSoup(html_content, "lxml")
all_td = fan_html.find_all('td', style=True)
fans_id=[]
for td in all_td:
a = td.find('a').get('href')
usr_id_result = self.user_id_pattern.findall(a)
if usr_id_result:
usr_id = usr_id_result[0]
else:
usr_id = await self.get_user_id_from_homepage(a)
if usr_id not in fans_id:
fans_id.append(int(usr_id))
user_fan_dict={}
fans_id_key_list = [i for i in range(len(fans_id))]
fans_id = dict(zip(fans_id_key_list,fans_id))
user_fan_dict['type'] = 'fan'
user_fan_dict['uid'] = fan_dict['uid']
user_fan_dict['fans_id'] = fans_id
await self.weibo_producer.send(user_fan_dict, self.fan_url % fan_dict['uid'])
if 'page=' not in fan_dict['url']:
page_div = fan_html.find(id='pagelist')
if page_div:
max_page = int(page_div.input.get('value'))
if max_page>20:
max_page=20
for page in range(2, max_page + 1):
await self.redis_job.push_job(JobType.fan.value,
{'url': (self.fan_url % fan_dict['uid']) + '?page=' + str(page),
'uid': fan_dict['uid']})
async def crawl_comment(self):
while True:
comment_job_info = await self.redis_job.fetch_job(JobType.comment.value)
if comment_job_info:
try:
# asyncio.run_coroutine_threadsafe(self.grab_tweet_comments(comment_job_info), self.loop)
await self.grab_tweet_comments(comment_job_info)
except TimeoutError as e:
pass
except:
LOGGER.error("something error")
LOGGER.error(traceback.format_exc())
sleep(5 * 60)
async def crawl_repost(self):
while True:
repost_job_info = await self.redis_job.fetch_job(JobType.repost.value)
if repost_job_info:
try:
await self.grab_tweet_repost(repost_job_info)
except TimeoutError as e:
pass
except:
LOGGER.error("something error")
LOGGER.error(traceback.format_exc())
sleep(5 * 60)
async def crawl_weibo(self):
r = re.compile(r'https://weibo.cn/(\d*)\?page=(\d*)')
while True:
tweet_job_info = await self.redis_job.fetch_job(JobType.tweet.value)
if tweet_job_info:
m = r.findall(tweet_job_info['url'])
if m:
page_no = int(m[0][1])
if page_no > 200:
LOGGER.info('job passed %s' % str(tweet_job_info))
continue
# if 'page=' in tweet_job_info['url']:
# LOGGER.info('job passed %s' % str(tweet_job_info))
# continue
try:
await self.grab_user_tweet(tweet_job_info)
except TimeoutError as e:
pass
except:
LOGGER.error(traceback.format_exc())
sleep(5 * 60)
async def search(self):
while True:
search_job_info = await self.redis_job.fetch_job(JobType.search.value)
if search_job_info:
try:
await self.search_tweet(search_job_info)
except TimeoutError as e:
pass
except:
LOGGER.error(traceback.format_exc())
sleep(5 * 60)
async def crawl_user(self):
while True:
user_job_info = self.redis_job_now.fetch_job(JobType.user.value)
if user_job_info:
try:
if 'source' in user_job_info:
await self.grab_user_info(user_job_info['user_id'], user_job_info['source'])
else :
await self.grab_user_info(user_job_info['user_id'], user_job_info['source'])
# await self.redis_job.push_job(JobType.tweet.value,
# {'url': 'https://weibo.cn/' + user_job_info['user_id'],
# 'uid': user_job_info['user_id']})
await self.redis_job.push_job(JobType.follower.value,
{'url': self.follow_url % user_job_info['user_id'],
'uid': user_job_info['user_id']})
await self.redis_job.push_job(JobType.fan.value,
{'url': self.fan_url % user_job_info['user_id'],
'uid': user_job_info['user_id']})
# self.weibo_queue.put({'url': self.user_tweet_url % user_id, 'uid': user_id})
# self.follow_queue.put({'uid': user_id, 'url': self.follow_url % user_id})
except TimeoutError as e:
pass
except:
LOGGER.error(traceback.format_exc())
sleep(5 * 60)
async def search_tweet(self, search_job_info):
html_content = await self.grab_html(search_job_info['url'])
result_html = BeautifulSoup(html_content, "lxml")
if 'page' not in search_job_info['url']:
total_count_str = result_html.find(text=re.compile(r'共\d*条'))
print(total_count_str)
total_count_result = re.findall(r'共(\d*)条', total_count_str)
if total_count_result:
total_count = total_count_result[0]
total_page = int(total_count) / 10
for page_no in range(2, int(total_page)):
await self.redis_job.push_job(JobType.search.value, {
'url': search_job_info['url'] + '&page=' + str(page_no)
})
tweet_divs = result_html.find_all(id=True, class_='c')
for tweet_div in tweet_divs:
tweet = {}
nk_div = tweet_div.find('a', class_='nk')
if nk_div:
nk_url = nk_div.get('href')
usr_id_result = self.user_id_pattern.findall(nk_url)
if usr_id_result:
usr_id = usr_id_result[0]
else:
usr_id = await self.get_user_id_from_homepage(nk_url)
else:
usr_id = 'unknown'
if tweet_div.find(class_='cmt', string='转发理由:'): # 转发
tweet['flag'] = '转发'
parent = tweet_div.find(class_='cmt', string='转发理由:').parent
try:
comment_href = tweet_div.find_all('div')[-2].find('a', class_='cc').get('href')
href = comment_href.split('?')[0]
tweet['sourceTid'] = href.split('/')[-1]
except Exception:
pass
text = parent.get_text()
fields = text.split('\xa0')
content = fields[0][5:]
ct_content = parent.find('span', class_='ct').get_text()
time_source = ct_content.split('\u6765\u81ea')
time = time_source[0]
if len(time_source) == 2:
source = time_source[1]
else:
source = 'unknown'
other = ';'.join(fields[1:])
else:
tweet['flag'] = '原创'
text = tweet_div.get_text()
ct_content = tweet_div.find('span', class_='ct').get_text()
time_source = ct_content.split('\u6765\u81ea')
time = time_source[0]
if len(time_source) == 2:
source = time_source[1]
else:
source = 'unknown'
fields = text.split('\u200b')
content = fields[0]
other_fields = fields[-1].split('\xa0')
other = ';'.join(other_fields[1:])
like = re.findall(u'\u8d5e\[(\d+)\];', other) # 点赞数
transfer = re.findall(u'\u8f6c\u53d1\[(\d+)\];', other) # 转载数
comment = re.findall(u'\u8bc4\u8bba\[(\d+)\];', other) # 评论数
tweet['content'] = content.strip()
tweet['id'] = tweet_div.get('id').strip('M_')
tweet['time'] = self.get_time(str(time))
tweet['source'] = source
tweet['like'] = like[0] if like else -1
tweet['transfer'] = transfer[0] if transfer else -1
tweet['comment'] = comment[0] if comment else -1
tweet['type'] = 'tweet_info'
tweet['uid'] = usr_id
print(tweet)
await self.weibo_producer.send(tweet, search_job_info['url'])
await self.redis_job.push_job(JobType.tweet.value,
{'url': self.user_tweet_url % tweet['id'],
'uid': usr_id})
await self.redis_job.push_job(JobType.comment.value,
{'url': self.tweet_comment_url % tweet['id'],
'tweetId': tweet['id']})
async def grab_user_tweet(self, tweet_job_info):
LOGGER.info('start grab tweet: %s' % str(tweet_job_info))
html_content = await self.grab_html(tweet_job_info['url'])
user_tweet_html = BeautifulSoup(html_content, "lxml")
tweet_divs = user_tweet_html.find_all(id=True, class_='c')
for tweet_div in tweet_divs:
tweet = {}
if tweet_div.find(class_='cmt', string='转发理由:'): # 转发
tweet['flag'] = '转发'
parent = tweet_div.find(class_='cmt', string='转发理由:').parent
try:
comment_href = tweet_div.find_all('div')[-2].find('a', class_='cc').get('href')
href = comment_href.split('?')[0]
tweet['sourceTid'] = href.split('/')[-1]
except Exception:
pass
text = parent.get_text()
fields = text.split('\xa0')
content = fields[0][5:]
ct_content = parent.find('span', class_='ct').get_text()
time_source = ct_content.split('\u6765\u81ea')
time = time_source[0]
if len(time_source) == 2:
source = time_source[1]
else:
source = 'unknown'
other = ';'.join(fields[1:])
else:
tweet['flag'] = '原创'
text = tweet_div.get_text()
ct_content = tweet_div.find('span', class_='ct').get_text()
time_source = ct_content.split('\u6765\u81ea')
time = time_source[0]
if len(time_source) == 2:
source = time_source[1]
else:
source = 'unknown'
fields = text.split('\u200b')
content = fields[0]
other_fields = fields[-1].split('\xa0')
other = ';'.join(other_fields[1:])
like = re.findall(u'\u8d5e\[(\d+)\];', other) # 点赞数
transfer = re.findall(u'\u8f6c\u53d1\[(\d+)\];', other) # 转载数
comment = re.findall(u'\u8bc4\u8bba\[(\d+)\];', other) # 评论数
tweet['content'] = content.strip()
tweet['id'] = tweet_div.get('id')
tweet['time'] = self.get_time(str(time))
tweet['source'] = source
tweet['like'] = like[0] if like else -1
tweet['transfer'] = transfer[0] if transfer else -1
tweet['comment'] = comment[0] if comment else -1
tweet['type'] = 'tweet_info'
tweet['uid'] = tweet_job_info['uid']
await self.weibo_producer.send(tweet, tweet_job_info['url'])
# 获取评论
# self.comment_queue.put({'url': self.tweet_comment_url % tweet['id'][2:],
# 'tweetId': tweet['id'][2:]})
if 'page=' not in tweet_job_info['url']:
page_div = user_tweet_html.find(id='pagelist')
if page_div:
max_page = int(page_div.input.get('value'))
if self.weibo_limit:
max_page = max_page if max_page < 500 else 500
for page in range(2, max_page + 1):
await self.redis_job.push_job(JobType.tweet.value,
{'url': self.user_tweet_url2 % (tweet_job_info['uid'], page),
'uid': tweet_job_info['uid']})
async def grab_user_info(self, user_id, source = 'unknown'):
LOGGER.info('start grab user info: %s' % user_id)
html_content = await self.grab_html(self.user_info_url % user_id)
user_info_html = BeautifulSoup(html_content, "lxml")
div_list = list(user_info_html.find_all(class_=['c', 'tip']))
base_info_index, edu_info_index, work_info_index = -1, -1, -1
base_info = ''
edu_info = ''
work_info = ''
tags = ''
user_info = {}
for index, div in enumerate(div_list):
text = div.text
if text == u'基本信息':
base_info_index = index
elif text == u'学习经历':
edu_info_index = index
elif text == u'工作经历':
work_info_index = index
if base_info_index != -1:
b = div_list[base_info_index + 1]
tags = ','.join(map(lambda a: a.get_text(), b.find_all('a')))
base_info = b.get_text(';')
if edu_info_index != -1:
edu_info = div_list[edu_info_index + 1].get_text(';')
if work_info_index != -1:
work_info = div_list[work_info_index + 1].get_text(';')
base_info += ';'
nickname = re.findall(u'\u6635\u79f0[:|\uff1a](.*?);', base_info) # 昵称
if nickname:
user_info['nickname'] = nickname[0] if nickname else 'unknown'
gender = re.findall(u'\u6027\u522b[:|\uff1a](.*?);', base_info) # 性别
place = re.findall(u'\u5730\u533a[:|\uff1a](.*?);', base_info) # 地区（包括省份和城市）
signature = re.findall(u'\u7b80\u4ecb[:|\uff1a](.*?);', base_info) # 个性签名
birthday = re.findall(u'\u751f\u65e5[:|\uff1a](.*?);', base_info) # 生日
sex_orientation = re.findall(u'\u6027\u53d6\u5411[:|\uff1a](.*?);', base_info) # 性取向
marriage = re.findall(u'\u611f\u60c5\u72b6\u51b5[:|\uff1a](.*?);', base_info) # 婚姻状况
head_url = user_info_html.find('img', alt='头像')
if head_url:
user_info['head'] = head_url.get('src')
user_info['tags'] = tags
user_info['gender'] = gender[0] if gender else 'unknown'
user_info['place'] = place[0] if place else 'unknown'
user_info['signature'] = signature[0] if signature else 'unknown'
user_info['birthday'] = birthday[0] if birthday else 'unknown'
user_info['sexOrientation'] = sex_orientation[0] if sex_orientation else 'unknown'
user_info['eduInfo'] = edu_info if edu_info else 'unknown'
user_info['marriage'] = marriage[0] if marriage else 'unknown'
user_info['workInfo'] = work_info if work_info else 'unknown'
user_info['type'] = 'user_info'
user_info['id'] = user_id
user_info['source'] = source
result = await self.grab_view(user_id)
user_info.update(result)
await self.weibo_producer.send(user_info, self.user_info_url % user_id)
async def grab_view(self, user_id):
"""
获取用户id的微博数、粉丝数、发布的微博数
:param user_id: 用户id
:return: dict
"""
LOGGER.info('grab user view: %s' % str(user_id))
html_content = await self.grab_html(self.weibo_host + '/' + str(user_id))
home_page_html = BeautifulSoup(html_content, "lxml")
v = home_page_html.find('div', class_='tip2')
result = {}
if v:
content = v.get_text(';')
else:
content = ''
tweet_r = re.findall('微博\[(\d+)\];', content)
result['tweetNum'] = tweet_r[0] if tweet_r else -1
fans_r = re.findall('粉丝\[(\d+)\];', content)
result['fansNum'] = fans_r[0] if fans_r else -1
follow_r = re.findall('关注\[(\d+)\];', content)
result['followNum'] = follow_r[0] if follow_r else -1
return result
def get_time(self, time_str):
current_result = self.time_current_pattern.findall(time_str)
time_now = datetime.datetime.now()
if current_result:
result_time = time_now - datetime.timedelta(minutes=int(current_result[0]))
return result_time.strftime('%Y-%m-%d %H:%M:%S')
else:
current_result = self.time_today_pattern.findall(time_str)
if current_result:
result_time = datetime.datetime(time_now.year, time_now.month,
time_now.day, int(current_result[0][0]), int(current_result[0][0]))
return result_time.strftime('%Y-%m-%d %H:%M:%S')
else:
current_result = self.time_year_pattern.findall(time_str)
if current_result:
result_time = datetime.datetime(time_now.year, int(current_result[0][0]),
int(current_result[0][1]), int(current_result[0][2]),
int(current_result[0][3]))
return result_time.strftime('%Y-%m-%d %H:%M:%S')
else:
return time_str
@staticmethod
async def grab_html2(session, url):
with async_timeout.timeout(60):
async with session.get(url, verify_ssl=False) as response:
return await response.text()
@staticmethod
def grab_html2_now(session,headers, url, cookies):
with session.get(url, cookies=cookies,verify=False) as response:
return response.text
async def post_grab2(self, session, url, data):
with async_timeout.timeout(2 * 60):
async with session.post(url=url, data=data, verify_ssl=False) as response:
return await response.text()
async def post_grab(self, url, data):
cookies = await self.redis_cookie.fetch_cookies()
LOGGER.info('using cookies' + str(cookies))
async with aiohttp.ClientSession(cookies=cookies['cookies']) as session:
return await self.post_grab2(session, url, data)
async def grab_html(self, url):
cookies = await self.redis_cookie.fetch_cookies()
async with aiohttp.ClientSession(cookies=cookies['cookies']) as session:
return await self.grab_html2(session, url)
def grab_html_now(self, url):
cookies = self.redis_cookie_now.fetch_cookies()
headers = self.get_header()
headers['Upgrade-Insecure-Requests'] = '1'
headers['Proxy-Connection'] = 'keep-alive'
LOGGER.info('using cookies'+str(cookies))
ok = True
while ok:
resp_text = requests.get(url=url, cookies=cookies['cookies'], verify=False).text
userjson = json.loads(resp_text)
# userjson = json.loads(resp_text,'GBK')
if userjson['ok'] == 1:
ok = False
return userjson['data']
@staticmethod
def get_header():
header = {
'Accept': 'text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8',
'Accept-Encoding': 'gzip, deflate, br',
'Accept-Language': 'zh-CN,zh;q=0.9',
'Connection': 'keep-alive',
'Host': 'weibo.com',
# 'Referer': 'https://weibo.com',
'User-Agent': user_agents.USER_AGENTS[random.randint(0, len(user_agents.USER_AGENTS) - 1)]
}
return header
@staticmethod
def find_fm_view_json(html):
resp_html = BeautifulSoup(html, 'html.parser')
scripts = resp_html.find_all('script')
scripts.reverse()
fm_view_pattern = re.compile('FM.view\((.*)\)')
view_jsons = []
for script in scripts:
print(script)
r = fm_view_pattern.findall(str(script))
if len(r):
view_jsons.append(json.loads(r[0]))
return view_jsons
async def user_id_in_queue(self, user_id):
if user_id and user_id not in self.bloom_filter:
# LOGGER.info('%s in user queue.' % user_id)
self.bloom_filter.add(user_id)
await self.redis_job.push_job(JobType.user.value, {'user_id': user_id})
async def get_user_id_from_homepage(self, home_page):
html_content = await self.grab_html(home_page)
home_page_html = BeautifulSoup(html_content, "lxml")
info_a = home_page_html.find('a', string='资料')
# LOGGER.info('get id from home page: %s' % home_page)
if info_a:
user_id = info_a.get('href').split('/')[1]
# LOGGER.info('id got: %s' % user_id)
return user_id
return 0
async def parse_tweet_content(self, html, job_info):
tweet_div = html.find(id='M_', class_='c')
if tweet_div:
tweet_user_a = tweet_div.find('a')
flag = False
if tweet_user_a:
tweet = {}
tweet_user_href = tweet_user_a.get('href')
if tweet_user_href.startswith('/u/'):
tweet_user_id = tweet_user_href[3:]
else:
tweet_user_id = await self.get_user_id_from_homepage(self.weibo_host + tweet_user_href)
await self.user_id_in_queue(tweet_user_id)
if tweet_div.find(class_='cmt', string='转发理由:'):
tweet['flag'] = '转发'
parent = tweet_div.find(class_='cmt', string='转发理由:').parent
try:
comment_href = tweet_div.find_all('div')[-2].find('a', class_='cc').get('href')
href = comment_href.split('?')[0]
tweet['sourceTid'] = href.split('/')[-1]
except Exception:
pass
text = parent.get_text()
fields = text.split('\xa0')
flag = True
content = fields[0][5:]
tweet['content'] = content.strip()
# ct_content = parent.find('span', class_='ct').get_text()
# time_source = ct_content.split('\u6765\u81ea')
#
# time = time_source[0]
# if len(time_source) == 2:
# source = time_source[1]
# else:
# source = 'unknown'
# other = ';'.join(fields[1:])
else:
tweet_content = tweet_div.find('span', class_='ctt').get_text()
tweet['content'] = tweet_content.strip()
tweet_details = list(
filter(lambda div: div.find(class_='pms'),
html.find_all('div', id=False, class_=False)))
tweet['sourceTid'] = job_info['parentTid'] if 'parentTid' in job_info \
else tweet['sourceTid'] if flag else ''
detail = tweet_details[0].get_text(';').replace('\xa0', '')
like = re.findall(u'\u8d5e\[(\d+)\];', detail) # 点赞数
transfer = re.findall(u'\u8f6c\u53d1\[(\d+)\];', detail) # 转载数
comment = re.findall(u'\u8bc4\u8bba\[(\d+)\];', detail) # 评论数
tweet['id'] = job_info['tweetId']
tweet['like'] = like[0] if like else 0
tweet['transfer'] = transfer[0] if transfer else 0
tweet['comment'] = comment[0] if comment else 0
tweet['type'] = 'tweet_info'
# if flag:
# await self.weibo_producer.send(tweet, job_info['url'])
# else:
others = tweet_div.find(class_='ct').get_text()
if others:
others = others.split('\u6765\u81ea')
tweet['time'] = self.get_time(others[0])
if len(others) == 2:
tweet['source'] = others[1]
tweet['uid'] = tweet_user_id
await self.weibo_producer.send(tweet, job_info['url'])
return tweet
return None
async def grab_tweet_repost(self, repost_job_info):
LOGGER.info('start grab tweet repost: %s' % str(repost_job_info))
html_content = await self.grab_html(repost_job_info['url'])
tweet_repost_html = BeautifulSoup(html_content, "lxml")
repost_divs = tweet_repost_html.find_all(class_='c')
for div in repost_divs:
span_cc = div.find('span', class_='cc')
if span_cc:
attitube_a = span_cc.find('a')
if attitube_a:
href = attitube_a.get('href')
if len(href.split('/')) > 2:
await self.redis_job.push_job(JobType.comment.value,
{'url': self.tweet_comment_url % href.split('/')[2],
'tweetId': href.split('/')[2],
'parentTid': repost_job_info['tweetId']})
await self.redis_job.push_job(JobType.repost.value,
{'url': self.user_repost_url % href.split('/')[2],
'tweetId': href.split('/')[2],
'parentTid': repost_job_info['tweetId']})
if 'page=' not in repost_job_info['url']:
await self.parse_tweet_content(tweet_repost_html, repost_job_info)
page_div = tweet_repost_html.find(id='pagelist')
if page_div:
max_page = int(page_div.input.get('value'))
for page in range(2, max_page + 1):
await self.redis_job.push_job(JobType.repost.value,
{'url': self.user_repost_url2 % (repost_job_info['tweetId'], page),
'tweetId': repost_job_info['tweetId']})
pass
async def grab_tweet_comments(self, comment_job):
LOGGER.info('start grab comment: %s' % str(comment_job))
html_content = await self.grab_html(comment_job['url'])
comment_html = BeautifulSoup(html_content, "lxml")
comment_divs = comment_html.find_all(id=re.compile('C_[\d]'), class_='c')
for comment_div in comment_divs:
comment_info = {}
comment_id = comment_div.get('id')
user_a = comment_div.find('a')
if user_a:
user_href = user_a.get('href')
if user_href.startswith('/u/'):
user_id = user_href[3:]
else:
user_id = await self.get_user_id_from_homepage(self.weibo_host + user_href)
await self.user_id_in_queue(user_id)
comment_info['userId'] = user_id
comment_info['content'] = comment_div.find(class_='ctt').get_text()
others = comment_div.find(class_='ct').get_text()
if others:
others = others.split('\u6765\u81ea')
comment_info['pubTime'] = self.get_time(others[0])
if len(others) == 2:
comment_info['source'] = others[1]
comment_info['id'] = comment_id
comment_info['tweetId'] = comment_job['tweetId']
comment_info['type'] = 'comment_info'
await self.weibo_producer.send(comment_info, comment_job['url'])
if 'page=' not in comment_job['url']:
await self.parse_tweet_content(comment_html, comment_job)
page_div = comment_html.find(id='pagelist')
if page_div:
max_page = int(page_div.input.get('value'))
for page in range(2, max_page + 1):
await self.redis_job.push_job(JobType.comment.value,
{'url': self.tweet_comment_url2 % (comment_job['tweetId'], page),
'tweetId': comment_job['tweetId']})
async def topic_finding(self):
while True:
topic_job_info = self.redis_job_now.fetch_job(JobType.topic.value)
if topic_job_info:
try:
print(topic_job_info)
LOGGER.info('topic finding')
await self.search_topic_user(topic_job_info)
except TimeoutError as e:
LOGGER.info('topic finding timeout error')
pass
except:
LOGGER.error(traceback.format_exc())
sleep(5 * 60)
async def super_fan_finding(self):
while True:
topic_job_info = self.redis_job_now.fetch_job(JobType.superfan.value)
if topic_job_info:
try:
print(topic_job_info)
LOGGER.info('super fan finding')
await self.search_super_fan(topic_job_info)
except TimeoutError as e:
LOGGER.info('super fan finding timeout error')
pass
except:
LOGGER.error(traceback.format_exc())
sleep(5 * 60)
def push_topic_job_now(self):
self.redis_job_now.push_job(
JobType.topic.value, {'url': 'https://m.weibo.cn/api/container/getIndex?containerid=1008084d899324c66df69e0248e385a7eccca2_-_feed&page=1'})
async def push_topic_job(self):
for page in range(1,self.topic_max_page):
await self.redis_job_now.push_job(JobType.topic.value, {
'url': self.topic_url % page})
def push_topic_job_all_now(self):
for page in range(1, self.topic_max_page+1):
self.redis_job_now.push_job(JobType.topic.value, {
'url': self.topic_url % page})
def push_super_new_fan_job_all_now(self):
for page in range(1, self.super_new_fan_max_page+1):
self.redis_job_now.push_job(JobType.superfan.value, {
'url': self.super_new_fan_url % page})
def topic_finding_now(self):
topic_job_info = self.redis_job_now.fetch_job(JobType.topic.value)
if topic_job_info:
try:
print(topic_job_info)
LOGGER.info('topic finding')
self.search_topic_user_now(topic_job_info)
except TimeoutError as e:
LOGGER.info('topic finding timeout error')
pass
except:
LOGGER.error(traceback.format_exc())
sleep(5 * 60)
def search_topic_user_now(self, topic_job_info):
LOGGER.info('try to grab html: ' + topic_job_info['url'])
userjson = self.grab_html_now(topic_job_info['url'])
LOGGER.info('succeed to grab html: ' + topic_job_info['url'])
for group in userjson['cards']:
if 'show_type' in group:
for card in group['card_group']:
user_id = card['mblog']['user']['id']
self.redis_job_now.push_job(JobType.user.value, {'user_id': user_id, 'source': 'comment'})
async def search_topic_user(self, topic_job_info):
LOGGER.info('try to grab html: ' + topic_job_info['url'])
html_content = await self.grab_html(topic_job_info['url'])
userjson = json.loads(html_content)
userjson = userjson['data']
LOGGER.info('succeed to grab html: ' + topic_job_info['url'])
for group in userjson['cards']:
if 'show_type' in group:
for card in group['card_group']:
user_id = card['mblog']['user']['id']
await self.redis_job.push_job(JobType.user.value, {'user_id': user_id, 'source': 'comment'})
async def search_super_fan(self, super_fan_job_info):
LOGGER.info('try to grab html: ' + super_fan_job_info['url'])
html_content = await self.grab_html(super_fan_job_info['url'])
userjson = json.loads(html_content, 'GBK')
userjson = userjson['data']
LOGGER.info('succeed to grab html: ' + super_fan_job_info['url'])
for group in userjson['cards']:
for card in group['card_group']:
user_id = card['user']['id']
await self.redis_job.push_job(JobType.user.value, {'user_id': user_id, 'source': 'super'})
def start(self, args):
LOGGER.info(str(args))
workers = []
if 'f' in args:#关注
workers += [asyncio.Task(self.crawl_follow(), loop=self.loop) for _ in range(self.tasks)]
if 'o' in args:#粉丝
workers += [asyncio.Task(self.crawl_fan(), loop=self.loop) for _ in range(self.tasks)]
if 'c' in args:#评论
workers += [asyncio.Task(self.crawl_comment(), loop=self.loop) for _ in range(self.tasks)]
if 'u' in args:#用户
workers += [asyncio.Task(self.crawl_user(), loop=self.loop) for _ in range(self.tasks)]
if 'w' in args:#微博内容
workers += [asyncio.Task(self.crawl_weibo(), loop=self.loop) for _ in range(self.tasks)]
if 'r' in args:#转发
workers += [asyncio.Task(self.crawl_repost(), loop=self.loop) for _ in range(self.tasks)]
if 's' in args:#搜索
workers += [asyncio.Task(self.search(), loop=self.loop) for _ in range(self.tasks)]
if 't' in args:#话题帖子
workers += [asyncio.Task(self.topic_finding(), loop=self.loop) for _ in range(self.tasks)]
for _ in range(10):
self.topic_finding_now()
if 'a' in args:#名人堂
workers += [asyncio.Task(self.super_fan_finding(), loop=self.loop) for _ in range(self.tasks)]
if 'i' in args:
self.push_topic_job_all_now()
sleep(5)
if 'n' in args:
self.push_super_new_fan_job_all_now()
sleep(5)
if workers:
self.loop.run_until_complete(asyncio.wait(workers))
data_dic = dict()
content = row["content"]
if tab["weidu"] in content:
count = 0
for zmxr in tab["zmxr"]:
if zmxr in content:
count += 1
data_dic["weidu"] = tab["weidu"]
data_dic["sword"] = zmxr
data_dic["taidu"] = 'good'
data_dic["variable"] = row["variable"]
data_dic["row_names"] = row["row_names"]
data_dic["value"] = row["value"]
status = row["row_names"] + '_' + tab["weidu"] + '_' + zmxr
i = md5(status.encode("utf8")).hexdigest()
returndf = bf.add(i)
if not returndf:
items = list()
items.append(data_dic)
save_df = pd.DataFrame(items)
save_df.to_sql(name='content_luntan_test1',
con=conn,
if_exists="append",
index=False)
print("-" * 50 + "insert data" + "-" * 50)
else:
print("重复数据!")
if count == 0:
for z in tab["zxxr"]:
if z in content:
count += 1
xhr_headers = {
'User-Agent':
'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_12_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/61.0.3163.100 Safari/537.36',
'Host': 'api.zhihu.com',
'Access-Control-Request-Method': 'GET',
'Connection': 'keep-alive'
}
# 保存已存在的live的id到id_list以及过滤器
b = ScalableBloomFilter(10000, 0.001)
id_list = []
with open('live_id.txt', 'r+') as f:
for line in f.readlines():
id = line.strip()
id_list.append(id)
[b.add(id)]
# 保存已存在的people的id到过滤器
bb = ScalableBloomFilter(10000, 0.001)
with open('peoples.txt', 'r+') as f:
for line in f.readlines():
id = line.strip()
if not id in bb:
[bb.add(id)]
# # 找出所有最新的live，去重，存在id_list和过滤器以及文件中
tag_list = [
101, 102, 103, 104, 105, 106, 107, 108, 109, 201, 202, 203, 301, 302, 303,
304, 305
]
class ChexiuPipeline(object):
@classmethod
def from_crawler(cls, crawler):
return cls(crawler.settings)
def __init__(self, settings):
# mongo
self.connection = pymongo.MongoClient(
settings['MONGODB_SERVER'],
settings['MONGODB_PORT']
)
db = self.connection[settings['MONGODB_DB']]
website = settings["WEBSITE"]
# local_time = time.strftime('%Y-%m-%d', time.localtime())
# if website in ["pcauto_price", "yiche_price", "autohome_price"]:
# self.collection = db[settings['MONGODB_COLLECTION'] + '_' + str(local_time)]
# else:
self.collection = db[settings['MONGODB_COLLECTION']]
# bloom file
self.CrawlCar_Num = 1000000
filename = str(pathlib.Path.cwd()) + '/blm/' + settings['MONGODB_DB'] + '/' + settings[
'MONGODB_COLLECTION'] + '.blm'
dirname = str(pathlib.Path.cwd()) + '/blm/' + settings['MONGODB_DB']
self.df = ScalableBloomFilter(initial_capacity=self.CrawlCar_Num, error_rate=0.01)
if os.path.exists(dirname):
if os.path.exists(filename):
self.fa = open(filename, "a")
else:
pathlib.Path(filename).touch()
self.fa = open(filename, "a")
else:
os.makedirs(dirname)
pathlib.Path(filename).touch()
self.fa = open(filename, "a")
with open(filename, "r") as fr:
lines = fr.readlines()
for line in lines:
line = line.strip('\n')
self.df.add(line)
self.counts = 0
def process_item(self, item, spider):
if spider.name in ["chexiuSpider", "chexiu_car"]:
valid = True
i = md5(item['status'].encode("utf8")).hexdigest()
returndf = self.df.add(i)
if returndf:
valid = False
raise DropItem("Drop data {0}!".format(item["status"]))
else:
self.fa.writelines(i + '\n')
self.collection.insert(dict(item))
logging.log(msg="Car added to MongoDB database!", level=logging.INFO)
self.counts += 1
logging.log(msg="scrapy " + str(self.counts) + " items",
level=logging.INFO)
# return item
elif spider.name in ["autohome_price_new", "yiche_price", "pcauto_price", "58car_price"]:
self.collection.insert(dict(item))
logging.log(msg="Car added to MongoDB database!", level=logging.INFO)
self.counts += 1
logging.log(msg="scrapy " + str(self.counts) + " items",
level=logging.INFO)
else:
self.collection.insert(dict(item))
logging.log(msg="Car added to MongoDB database!", level=logging.INFO)
self.counts += 1
logging.log(msg="scrapy " + str(self.counts) + " items",
level=logging.INFO)
def close_spider(self, spider):
self.connection.close()
# self.fa.close()
def dingmessage(self):
# 请求的URL，WebHook地址
webhook = "https://oapi.dingtalk.com/robot/send?access_token=633758ccd22b7db4d2e9655488af7d3f5d5e0b2a32c701c80fc3cd57981e73a9"
# 构建请求头部
header = {
"Content-Type": "application/json",
"Charset": "UTF-8"
}
# 构建请求数据
tex = "-车秀网爬虫结束-"
message = {
"msgtype": "text",
"text": {
"content": tex
},
"at": {
"isAtAll": False
}
}
# 对请求的数据进行json封装
message_json = json.dumps(message)
# 发送请求
info = requests.post(url=webhook, data=message_json, headers=header)
# 打印返回的结果
print(info.text)
class CarbuisnessNewPipeline(object):
@classmethod
def from_crawler(cls, crawler):
return cls(crawler.settings)
def __init__(self, settings):
# mongo
self.connection = pymongo.MongoClient(
settings['MONGODB_SERVER'],
settings['MONGODB_PORT']
)
db = self.connection[settings['MONGODB_DB']]
self.collection = db[settings['MONGODB_COLLECTION']]
self.collectionurllog = db[settings['MONGODB_COLLECTION'] + "_urllog"]
# bloom file
self.mongocounts = 0
self.counts = 0
self.CrawlCar_Num = 1000000
self.settings = settings
# bloom file
filename = str(pathlib.Path.cwd()) + '/blm/' + settings['MYSQL_DB'] + '/' + settings['MYSQL_TABLE'] + '.blm'
dirname = str(pathlib.Path.cwd()) + '/blm/' + settings['MYSQL_DB']
self.df = ScalableBloomFilter(initial_capacity=self.CrawlCar_Num, error_rate=0.01)
# # read
if os.path.exists(dirname):
if os.path.exists(filename):
self.fa = open(filename, "a")
else:
pathlib.Path(filename).touch()
self.fa = open(filename, "a")
else:
os.makedirs(dirname)
pathlib.Path(filename).touch()
self.fa = open(filename, "a")
with open(filename, "r") as fr:
lines = fr.readlines()
for line in lines:
line = line.strip('\n')
self.df.add(line)
self.counts = 0
def process_item(self, item, spider):
if spider.name in ["autohome_error_new", "jzg_price_master", ]:
# if item["newcar_bug_num"] is not None or item["oldcar_bug_num"] is not None or item["oldcar_bug_ratio"] is not None or item["newcar_bug_ratio"] is not None:
self.collection.insert(dict(item))
logging.log(msg="Car added to MongoDB database!", level=logging.INFO)
self.counts += 1
logging.log(msg="scrapy " + str(self.counts) + " items",
level=logging.INFO)
else:
if spider.name in ['all_location', 'jzg_price', 'jzg_price_sh', 'xiaozhu_modellist', 'xiaozhu_gz',
'autohome_gz', 'jzg_modellist']:
# print("*"*100)
valid = True
i = md5(item['status'].encode("utf8")).hexdigest()
returndf = self.df.add(i)
if returndf:
valid = False
raise DropItem("Drop data {0}!".format(item["status"]))
else:
pass
if valid:
self.fa.writelines(i + '\n')
self.collection.insert(dict(item))
logging.log(msg="Car added to MongoDB database!", level=logging.INFO)
self.counts += 1
logging.log(msg="scrapy " + str(self.counts) + " items",
level=logging.INFO)
if spider.name in ['autohome_url']:
pass
def close_spider(self, spider):
self.connection.close()
self.fa.close()
class Agent(Zentropian):
def __init__(self, name=None):
self.timers = TimerRegistry(callback=self._trigger_frame_handler)
super().__init__(name=name)
self.states.should_stop = False
self.states.running = False
self.loop = None # asyncio.get_event_loop()
self._spawn_on_start = set()
self._seen_frames = ScalableBloomFilter(
mode=ScalableBloomFilter.LARGE_SET_GROWTH, error_rate=0.001)
@on_state('should_stop')
def _on_should_stop(self, state):
if state.data.last is False and state.data.value is True: # skip double close
self.close()
return True
async def _run_forever(self):
# atexit.register(self.loop.close)
if self._spawn_on_start:
[self.spawn(coro) for coro in self._spawn_on_start]
self._spawn_on_start = None
self.emit('*** started', internal=True)
self.timers.start_timers(self.spawn)
while self.states.should_stop is False:
await asyncio.sleep(1)
self.emit('*** stopped', internal=True)
def _set_asyncio_loop(self, loop=None):
if self.loop and loop:
raise AssertionError('Agent already has an event loop set.')
if loop:
self.loop = loop
if not self.loop:
try:
self.loop = asyncio.get_event_loop()
except RuntimeError:
self.loop = asyncio.new_event_loop()
def _trigger_frame_handler(self, frame: Frame, handler: Handler, internal=False):
if isinstance(frame, Message) and frame.source == self.name:
return
if isinstance(frame, Event) and frame.source != self.name and frame.name.startswith('***'):
return
if frame and frame.id in self._seen_frames:
return
if not self.apply_filters([handler]):
return
if frame:
self._seen_frames.add(frame.id)
payload = [] # type: list
if handler.pass_self:
payload.append(self)
if handler.kind != KINDS.TIMER:
payload.append(frame)
if handler.run_async:
async def return_handler():
ret_val = await handler(*payload)
if ret_val:
self.handle_return(frame, return_value=ret_val)
self.spawn(return_handler())
else:
ret_val = handler(*payload)
if ret_val:
return self.handle_return(frame, return_value=ret_val)
def add_handler(self, handler):
if handler.kind == KINDS.TIMER:
self.timers.add_handler(handler.name, handler)
else:
super().add_handler(handler)
def on_timer(self, interval):
def wrapper(handler):
name = str(interval)
handler_obj = Handler(kind=KINDS.TIMER, name=name, handler=handler)
self.timers.add_handler(name, handler_obj)
return handler
return wrapper
@staticmethod
def sleep(duration: float):
return asyncio.sleep(duration)
def start(self, loop=None):
self._set_asyncio_loop(loop)
self.loop.create_task(self._run_forever())
def run(self):
self._set_asyncio_loop()
self.loop.run_until_complete(self._run_forever())
def spawn(self, coro):
if not self.loop:
self._spawn_on_start.add(coro)
return
return self.loop.create_task(coro)
@staticmethod
def spawn_in_thread(func, *args, **kwargs):
task = threading.Thread(target=func, args=args, kwargs=kwargs)
task.start()
return task
def run_in_thread(self):
return self.spawn_in_thread(self.run)
def stop(self):
self.emit('*** stopping', internal=True)
self.states.should_stop = True
self.timers.should_stop = True
def connect(self, endpoint, *, auth=None, tag='default'):
retval = super().connect(endpoint, auth=auth, tag=tag)
if not isgeneratorfunction(retval):
return
self.spawn(retval)
def bind(self, endpoint, *, tag='default'):
retval = super().bind(endpoint, tag=tag)
if not isgeneratorfunction(retval):
return
self.spawn(retval)
def join(self, space, *, tags: Optional[Union[list, str]] = None):
retval = super().join(space, tags=tags)
if not isgeneratorfunction(retval):
return
self.spawn(retval)
def leave(self, space, *, tags: Optional[Union[list, str]] = None):
retval = super().leave(space, tags=tags)
if not isgeneratorfunction(retval):
return
self.spawn(retval)
def close(self, *, endpoint: Optional[str] = None, tags: Optional[Union[list, str]] = None):
"""Closes all connections if no endpoint or tags given."""
if endpoint and tags:
raise ValueError('Expected either endpoint: {!r} or tags: {!r}.'
''.format(endpoint, tags))
elif endpoint:
connections = self._connections.connections_by_endpoint(endpoint)
elif tags:
connections = self._connections.connections_by_tags(tags)
else:
connections = self._connections.connections
for connection in connections:
connection.close()
def antcolony_userV4(token,
domain,
bloom: ScalableBloomFilter,
key: str,
dataobject,
keylist=None,
lamda=20,
xhr_headers=XHR_HEADER_WZ):
def keyconvert(keys, dict):
c = {}
for key in dict.keys():
if key in keys:
c[key] = dict[key]
return c
urlhead = create_userV4(domain, token)
req = getRequest()
people_url = urlhead + paging(0, 5)
print(people_url)
print('before r')
r = req.get(people_url, headers=xhr_headers)
print('after r')
if int(r.status_code) == 410:
dataobject.delone(token)
return 0
if int(r.status_code) > 300:
raise WrongStatuCode(str(r.status_code) + ': ' + people_url)
j = json.loads(r.text)
if 'error' in j:
raise ErrorInJson(__name__ + ": from url=" + urlhead + '\n msg=' +
j['error'])
print(j['paging'])
try:
total = int(j['paging']['totals'])
except:
total = None
if total:
print(total)
print(round(total / lamda))
for i in range(round(total / lamda) + 1):
urll = urlhead + paging(i * lamda, lamda)
r = req.get(urll, headers=xhr_headers)
# print(r)
jc = json.loads(r.text, encoding='utf-8')
data = jc['data']
if keylist:
data = [keyconvert(keylist, x) for x in data]
for i in data:
if i[key] not in bloom:
dataobject.insert(i)
bloom.add(i[key])
print('data import ' + i[key])
else:
print('pass')
else:
i = 0
while True:
urll = urlhead + paging(int(i * lamda), lamda)
r = req.get(urll, headers=xhr_headers)
jc = json.loads(r.text, encoding='utf-8')
data = jc['data']
if len(data) == 0:
break
if keylist:
data = [keyconvert(keylist, x) for x in data]
for c in data:
if c[key] not in bloom:
dataobject.insert(c)
bloom.add(c[key])
print('data import ' + c[key])
else:
print('pass')
i += 1
class TaochePipeline(object):
@classmethod
def from_crawler(cls, crawler):
return cls(crawler.settings)
def __init__(self, settings):
# mongo
self.connection = pymongo.MongoClient(settings['MONGODB_SERVER'],
settings['MONGODB_PORT'])
db = self.connection[settings['MONGODB_DB']]
website = settings["WEBSITE"]
# local_time = time.strftime('%Y-%m-%d', time.localtime())
# if website in ["pcauto_price", "yiche_price", "autohome_price"]:
# self.collection = db[settings['MONGODB_COLLECTION'] + '_' + str(local_time)]
# else:
self.collection = db[settings['MONGODB_COLLECTION']]
# bloom file
self.CrawlCar_Num = 1000000
filename = str(pathlib.Path.cwd()) + '/blm/' + settings[
'MONGODB_DB'] + '/' + settings['MONGODB_COLLECTION'] + '.blm'
dirname = str(pathlib.Path.cwd()) + '/blm/' + settings['MONGODB_DB']
self.df = ScalableBloomFilter(initial_capacity=self.CrawlCar_Num,
error_rate=0.01)
if os.path.exists(dirname):
if os.path.exists(filename):
self.fa = open(filename, "a")
else:
pathlib.Path(filename).touch()
self.fa = open(filename, "a")
else:
os.makedirs(dirname)
pathlib.Path(filename).touch()
self.fa = open(filename, "a")
with open(filename, "r") as fr:
lines = fr.readlines()
for line in lines:
line = line.strip('\n')
self.df.add(line)
self.counts = 0
def process_item(self, item, spider):
if spider.name in ["taoche_car", "taoche_gz"]:
valid = True
i = md5(item['status'].encode("utf8")).hexdigest()
returndf = self.df.add(i)
if returndf:
valid = False
raise DropItem("Drop data {0}!".format(item["status"]))
else:
self.fa.writelines(i + '\n')
self.collection.insert(dict(item))
logging.log(msg="Car added to MongoDB database!",
level=logging.INFO)
self.counts += 1
logging.log(msg="scrapy " +
str(self.counts) + " items",
level=logging.INFO)
# return item
elif spider.name in [
"autohome_price_new", "yiche_price", "pcauto_price",
"58car_price"
]:
self.collection.insert(dict(item))
logging.log(msg="Car added to MongoDB database!",
level=logging.INFO)
self.counts += 1
logging.log(msg="scrapy " + str(self.counts) +
" items",
level=logging.INFO)
else:
self.collection.insert(dict(item))
logging.log(msg="Car added to MongoDB database!",
level=logging.INFO)
self.counts += 1
logging.log(msg="scrapy " + str(self.counts) +
" items",
level=logging.INFO)
def close_spider(self, spider):
self.connection.close()
self.fa.close()
# Initialise a crawling dataset connection
print(colored('Initialising wikipedia crawling collection...', 'cyan'))
crawl_collection = init_crawl_collection()
# Iterate through the crawling database
n = 0
print(colored('Iterating over crawling database...', 'cyan'))
bf = ScalableBloomFilter(mode=ScalableBloomFilter.SMALL_SET_GROWTH)
for topic, sentence in iter_topic(crawl_collection, args['start']):
# Clean topic string
topic = topic.replace("'", '').replace('\n', '')
# Check if the number of processed topic exceed the limit?
if topic not in bf:
bf.add(topic)
if len(bf) > args['limit']:
print(colored('[Topics limit reached] ... BYE', 'cyan'))
sys.exit(0)
# Break the sentence into knowledge nodes
pos = TextStructure.pos_tag(sentence)
kb_nodes = patterns.capture(pos)
# Clean up each of the nodes
# a) Remove stopwords
# b) Remove duplicates
# c) Ensure supported encoding
kb_nodes = ensure_viable(kb_nodes, stopwords)
if args['verbose']:
class YongdaPipeline(object):
@classmethod
def from_crawler(cls, crawler):
# 获取配置中的时间片个数，默认为12个，1分钟
idle_number = crawler.settings.getint('IDLE_NUMBER', 6)
# 实例化扩展对象
ext = cls(crawler.settings, idle_number, crawler)
# 将扩展对象连接到信号， 将signals.spider_idle 与 spider_idle() 方法关联起来。
crawler.signals.connect(ext.spider_idle, signal=signals.spider_idle)
return ext
def __init__(self, settings, idle_number, crawler):
# mysql
self.conn = create_engine(
f'mysql+pymysql://{settings["MYSQL_USER"]}:{settings["MYSQL_PWD"]}@{settings["MYSQL_SERVER"]}:{settings["MYSQL_PORT"]}/{settings["MYSQL_DB"]}?charset=utf8'
)
# mongo
# uri = f'mongodb://{settings["MONGODB_USER"]}:{settings["MONGODB_PWD"]}@{settings["MONGODB_SERVER"]}:{settings["MONGODB_PORT"]}/'
# self.connection = pymongo.MongoClient(uri)
# self.connection = pymongo.MongoClient(
# settings['MONGODB_SERVER'],
# settings['MONGODB_PORT']
# )
# db = self.connection[settings['MONGODB_DB']]
# self.collection = db[settings['MONGODB_COLLECTION']]
# count
self.mongocounts = 0
self.counts = 0
self.CrawlCar_Num = 1000000
self.settings = settings
# redis 信号
self.crawler = crawler
self.idle_number = idle_number
self.idle_list = []
self.idle_count = 0
# bloom file
filename = str(pathlib.Path.cwd()) + '/blm/' + settings[
'MYSQL_DB'] + '/' + settings['MYSQL_TABLE'] + '.blm'
dirname = str(pathlib.Path.cwd()) + '/blm/' + settings['MYSQL_DB']
# scrapy date
self.start_date = None
self.end_date = None
self.scrapy_date = f'{self.start_date} - {self.end_date}'
# dataframe
self.df_result = pd.DataFrame()
# 布隆过滤
self.df = ScalableBloomFilter(initial_capacity=self.CrawlCar_Num,
error_rate=0.01)
# self.df = BloomFilter(capacity=self.CrawlCar_Num, error_rate=0.01)
# read
if os.path.exists(dirname):
if os.path.exists(filename):
self.fa = open(filename, "a")
else:
pathlib.Path(filename).touch()
self.fa = open(filename, "a")
else:
os.makedirs(dirname)
pathlib.Path(filename).touch()
self.fa = open(filename, "a")
with open(filename, "r") as fr:
lines = fr.readlines()
for line in lines:
line = line.strip('\n')
self.df.add(line)
def open_spider(self, spider):
self.start_date = time.strftime('%Y-%m-%d %X', time.localtime())
def process_item(self, item, spider):
if spider.name == '':
valid = True
i = md5(item[''].encode("utf8")).hexdigest()
returndf = self.df.add(i)
if returndf:
valid = False
raise DropItem("Drop data {0}!".format(item["statusplus"]))
else:
pass
if valid:
self.fa.writelines(i + '\n')
# 数据存入mysql
items = list()
items.append(item)
df = pd.DataFrame(items)
df.to_sql(name=self.settings['MYSQL_TABLE'],
con=self.conn,
if_exists="append",
index=False)
logging.log(
msg=
f"scrapy {self.mongocounts} items",
level=logging.INFO)
self.mongocounts += 1
# if spider.name == '':
# self.df_result = pd.concat([self.df_result, df])
# self.mongocounts += 1
# logging.log(msg=f"add {self.mongocounts} items", level=logging.INFO)
# else:
# df.to_sql(name=self.settings['MYSQL_TABLE'], con=self.conn, if_exists="append", index=False)
# self.mongocounts += 1
# logging.log(msg=f"scrapy {self.mongocounts} items", level=logging.INFO)
def close_spider(self, spider):
# self.connection.close()
# if spider.name == '':
# self.df_result.to_sql(name=self.settings['MYSQL_TABLE'], con=self.conn, if_exists="append", index=False)
self.conn.dispose()
self.end_date = time.strftime('%Y-%m-%d %X', time.localtime())
self.scrapy_date = f'{self.start_date} - {self.end_date}'
logging.info(self.scrapy_date)
def spider_idle(self, spider):
self.idle_count += 1 # 空闲计数
self.idle_list.append(time.time()) # 每次触发 spider_idle时，记录下触发时间戳
idle_list_len = len(self.idle_list) # 获取当前已经连续触发的次数
print(self.scrapy_date)
logging.info(self.scrapy_date)
# print(idle_list_len)
# print(self.idle_count)
# print(self.idle_list[-1] - self.idle_list[-2])
# 判断 当前触发时间与上次触发时间 之间的间隔是否大于5秒，如果大于5秒，说明redis 中还有key
if idle_list_len > 2 and not (1 <
(self.idle_list[-1] - self.idle_list[-2])
< 6):
self.idle_list = [self.idle_list[-1]]
self.idle_count = 1
elif idle_list_len == self.idle_number + 1:
# 空跑一分钟后记录结束时间
self.end_date = time.strftime('%Y-%m-%d %X', time.localtime())
self.scrapy_date = f'{self.start_date} - {self.end_date}'
self.start_date = time.strftime('%Y-%m-%d %X', time.localtime())
print(self.scrapy_date)
print("*" * 100)
elif idle_list_len > self.idle_number + 12:
# 空跑一分钟后重置起始时间
self.start_date = time.strftime('%Y-%m-%d %X', time.localtime())
self.idle_count = 0
# Initialise a crawling dataset connection
print(colored('Initialising wikipedia crawling collection...','cyan'))
crawl_collection = init_crawl_collection()
# Iterate through the crawling database
n = 0
print(colored('Iterating over crawling database...','cyan'))
bf = ScalableBloomFilter(mode=ScalableBloomFilter.SMALL_SET_GROWTH)
for topic,sentence in iter_topic(crawl_collection,args['start']):
# Clean topic string
topic = topic.replace("'",'').replace('\n','')
# Check if the number of processed topic exceed the limit?
if topic not in bf:
bf.add(topic)
if len(bf) > args['limit']:
print(colored('[Topics limit reached] ... BYE','cyan'))
sys.exit(0)
# Break the sentence into knowledge nodes
pos = TextStructure.pos_tag(sentence)
kb_nodes = patterns.capture(pos)
# Clean up each of the nodes
# a) Remove stopwords
# b) Remove duplicates
# c) Ensure supported encoding
kb_nodes = ensure_viable(kb_nodes, stopwords)
if args['verbose']:
