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proxy_fetch.py
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#!/usr/bin/env python
# -*- coding:utf-8 -*-
# proxy_fetch.py
import requests
from sqlalchemy import create_engine
from sqlalchemy.orm import sessionmaker
from sqlalchemy.sql import text
import time
import json
import base64
try:
from json import JSONDecodeError
except:
from simplejson import JSONDecodeError
DB_CONNECT_CFG = {
"db_engine" : "postgresql",
"host" : "192.168.1.10",
"port" : 5432,
"username" : "postgres",
"password" : "postgres",
"database" : "fdc_development"
}
SPIDER_ID = '88888888888888888888888888888888'
ORDER_NO = '000000000000000'
WANDOU_USERNAME = 'username'
WANDOU_PASSWORD = 'password'
WANDOU_APP_KEY = None
FETCH_COUNT = 20 # 单次提取数量
FETCH_INTERVAL = 5 # 提取间隔时间，单位：分钟
CHECK_URL = 'http://myip.ipip.net/'
USER_AGENT = 'Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/68.0.3440.106 Safari/537.36'
class DBM(object):
def __init__(self, **connect_config):
self.engine = None
# self.session = None
self.connect(**connect_config)
def connect(self, db_engine=None, host='127.0.0.1', port=5432, username='postgres', password='', database='postgres'):
if db_engine is None:
raise TypeError('Argument db_engine is None!')
conn_url = '{db_engine}://{username}:{password}@{host}:{port}/{database}'.format(db_engine=db_engine, host=host, port=port, username=username, password=password, database=database)
self.engine = create_engine(conn_url, encoding='utf-8', max_overflow=5)
# db_session = sessionmaker(bind=self.engine)
# self.session = db_session()
def close(self):
# self.session.close()
# conn = self.engine.connect()
# conn.close()
self.engine.dispose()
def execute_sql(self, sql_text, args=None):
# self.session.execute(text(sql_text), args)
# self.session.commit()
conn = self.engine.connect()
conn.execute(text(sql_text))
conn.close()
class ProxyPool(object):
def __init__(self, dbconnect=None, **kwargs):
self.db = DBM(**dbconnect)
self.check_url = kwargs.get('check_url', 'http://myip.ipip.net')
self.user_agent = kwargs.get('user_agent', 'Mozilla/5.0 (Windows NT 6.3; Trident/7.0; rv:11.0) like Gecko')
def clean_invalid_ips(self):
sql = 'DELETE FROM valid_ips where can_ths = FALSE;'
self.db.execute_sql(sql)
def check_proxy_ip(self, proxy_ip, proxy_port, check_url=None, result_check=None, proxy_auth=None):
'''
proxy_auth: username:password
'''
try:
headers = {
"User-Agent": self.user_agent
}
if proxy_auth is not None:
username, password = proxy_auth.split(':')
headers['Proxy-Authorization'] = 'Basic %s' % base_code(username, password)
proxies = {
'http': 'http://%s:%s' % (proxy_ip, proxy_port),
'https': 'https://%s:%s' % (proxy_ip, proxy_port)
}
url = self.check_url if check_url is None else check_url
res = requests.get(url, proxies=proxies, headers=headers, timeout=5)
if res.ok and res.text != '':
if callable(result_check):
return result_check(res)
return False
except Exception as e:
print("Check Proxy Error: {}".format(e))
return False
# 讯代理
def get_xdaili_iplist(self, spider_id, orderno, return_type=2, count=20):
url = 'http://api.xdaili.cn/xdaili-api//greatRecharge/getGreatIp?'
params = {
'spiderId': spider_id,
'orderno': orderno,
'returnType': return_type,
'count': count
}
try:
res = requests.get(url, params=params)
res_json = res.json()
if int(res_json['ERRORCODE']) != 0:
print("Xdaili Fetch proxies Error: {}".format(res.text))
return []
proxy_list = res_json['RESULT']
except JSONDecodeError as e:
if return_type == 1: # return txt
proxy_list = []
for v in res.text.strip().split('\r\n'):
ip, port = v.strip().split(':')
proxy_list.append({'ip': ip, 'port': port})
else:
print("Xdaili Fetch proxies Json Parse Error: {}".format(e))
return []
except Exception as e:
print("Xdaili Fetch proxies Error: {}:{}".format(type(e), e))
return []
# check valid
valid_proxies = []
print("Fetched proxies count: {}".format(len(proxy_list)))
for proxy in proxy_list:
if self.check_proxy_ip(proxy['ip'], proxy['port'], result_check=can_ths_check):
print(">>{}:{} check success".format(proxy['ip'], proxy['port']))
valid_proxies.append(proxy)
else:
print(">>{}:{} check failed".format(proxy['ip'], proxy['port']))
print("=====Finally Get valid proxies count: {}=====".format(len(valid_proxies)))
return valid_proxies
def save_proxy_iplist(self, proxies):
count = 0
total_count = 0
for proxy in proxies:
if count == 0:
sql = "insert into valid_ips (content, test_times, failure_times, success_rate, avg_response_time, score, created_at, updated_at, true_ip, can_ths) values "
sql += "('{ip}:{port}', 1, 0, 1, 2.5, 0, now(), now(), '{ip}', true)".format(ip=proxy['ip'], port=proxy['port'])
else:
sql += ",('{ip}:{port}', 1, 0, 1, 2.5, 0, now(), now(), '{ip}', true)".format(ip=proxy['ip'], port=proxy['port'])
count += 1
if count >= 10:
sql += ';'
self.db.execute_sql(sql)
count = 0
total_count += 1
if count > 0:
sql += ';'
self.db.execute_sql(sql)
# 豌豆代理
def get_wandouip_list(self, app_key=None, num=20, return_type='json', xy=1, port=None, mr=2):
url = 'https://h.wandouip.com/get/ip-list?'
return_type = 2 if return_type == 'json' else 1
params = {
'pack': 0,
'num': num,
'type': return_type,
'xy': xy,
'lb': '\n',
'mr': mr
}
if isinstance(app_key, str):
params['app_key'] = app_key
if isinstance(port, int):
params['port'] = port
try:
res = requests.get(url, params=params)
res_json = res.json()
if int(res_json['code']) != 200:
print("Wandouip Fetch proxies Error: {}".format(res.text))
return []
proxy_list = res_json['data']
except JSONDecodeError as e:
if return_type == 1: # return txt
proxy_list = []
for v in res.text.strip().split('\n'):
ip, port = v.strip().split(':')
proxy_list.append({'ip': ip, 'port': port, 'expire_time': None, 'city': None, 'isp': None})
else:
print("Wandouip Fetch proxies Json Parse Error: {}".format(e))
return []
except Exception as e:
print("Wandouip Fetch proxies Error: {}:{}".format(type(e), e))
return []
# check valid
valid_proxies = []
print("Fetched proxies count: {}".format(len(proxy_list)))
proxy_auth = '%s:%s' % (WANDOU_USERNAME, WANDOU_PASSWORD)
for proxy in proxy_list:
if self.check_proxy_ip(proxy['ip'], proxy['port'], result_check=can_ths_check, proxy_auth=proxy_auth):
print(">>{}:{} check success".format(proxy['ip'], proxy['port']))
valid_proxies.append(proxy)
else:
print(">>{}:{} check failed".format(proxy['ip'], proxy['port']))
print("=====Finally Get valid proxies count: {}=====".format(len(valid_proxies)))
return valid_proxies
def save_wandouip_proxy_list(self, proxies):
count = 0
total_count = 0
for proxy in proxies:
if count == 0:
sql = "insert into valid_ips (username, password, expire_time, city, isp, content, test_times, failure_times, success_rate, avg_response_time, score, created_at, updated_at, true_ip, can_ths) values "
if proxy['expire_time'] is None:
sql += "('{username}', '{password}', NULL, NULL, NULL,'{ip}:{port}', 1, 0, 1, 2.5, 0, now(), now(), '{ip}', true)".format(username=WANDOU_USERNAME, password=WANDOU_PASSWORD, ip=proxy['ip'], port=proxy['port'])
else:
sql += "('{username}', '{password}', '{expire}','{city}','{isp}','{ip}:{port}', 1, 0, 1, 2.5, 0, now(), now(), '{ip}', true)".format(username=WANDOU_USERNAME, password=WANDOU_PASSWORD, expire=proxy['expire_time'],city=proxy['city'],isp=proxy['isp'],ip=proxy['ip'], port=proxy['port'])
else:
if proxy['expire_time'] is None:
sql += ",('{username}', '{password}', NULL, NULL, NULL,'{ip}:{port}', 1, 0, 1, 2.5, 0, now(), now(), '{ip}', true)".format(username=WANDOU_USERNAME, password=WANDOU_PASSWORD, ip=proxy['ip'], port=proxy['port'])
else:
sql += ",('{username}', '{password}', '{expire}','{city}','{isp}','{ip}:{port}', 1, 0, 1, 2.5, 0, now(), now(), '{ip}', true)".format(username=WANDOU_USERNAME, password=WANDOU_PASSWORD, expire=proxy['expire_time'],city=proxy['city'],isp=proxy['isp'],ip=proxy['ip'], port=proxy['port'])
count += 1
if count >= 10:
sql += ';'
self.db.execute_sql(sql)
count = 0
total_count += 1
if count > 0:
sql += ';'
self.db.execute_sql(sql)
def fetch_xdaili_iplist(self, spider_id, orderno, return_type=2, count=20):
# self.clean_invalid_ips()
ip_list = self.get_xdaili_iplist(spider_id, orderno, return_type=return_type, count=count)
self.save_proxy_iplist(ip_list)
self.db.close()
def fetch_wandouip(self, app_key=None, num=20, return_type='json'):
# self.clean_invalid_ips()
ip_list = self.get_wandouip_list(app_key=app_key, num=num, return_type=return_type)
self.save_wandouip_proxy_list(ip_list)
self.db.close()
def can_ths_check(response):
try:
res_json = response.json()
return res_json.get('errorCode') == 0
except Exception as e:
print("Error: {}".format(e))
return False
def base_code(username, password):
rawstr = '%s:%s' % (username, password)
encodestr = base64.b64encode(rawstr.encode('utf-8'))
return '%s' % encodestr.decode()
def run():
while True:
proxy_pool = ProxyPool(DB_CONNECT_CFG, check_url=CHECK_URL, user_agent=USER_AGENT)
# proxy_pool.fetch_xdaili_iplist(SPIDER_ID, ORDER_NO, count=FETCH_COUNT)
proxy_pool.fetch_wandouip(app_key=WANDOU_APP_KEY, num=FETCH_COUNT)
time.sleep(FETCH_INTERVAL * 60)
if __name__ == "__main__":
# run()
proxy_pool = ProxyPool(DB_CONNECT_CFG, check_url=CHECK_URL, user_agent=USER_AGENT)
# ip_list = proxy_pool.get_wandouip_list(app_key=WANDOU_APP_KEY, num=10)
# print(ip_list)
proxy_pool.fetch_wandouip(app_key=WANDOU_APP_KEY, num=10)