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bcy_user_climber.py
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bcy_user_climber.py
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# !/usr/bin/env python
# -*- coding:UTF-8 -*-
__author__ = '__Rebecca__'
__version__ = '0.0.2'
import sys
import os
import json
import time
import requests
import multiprocessing
from bcy_single_climber import bcy_single_climber
'''
链接:https://bcy.net/home/timeline/loaduserposts?since=0&grid_type=timeline&uid=3482886&limit=20
单次最大请求20条
since=0为从头获取
获取第21条时,since=【第20条的id】
当全部获取完时,返回值data为空
'''
class bcy_user_item(object):
def __init__(self, data):
self.__data = data
if not self.__data['tl_type'] == 'item':
raise Exception('Initlize failed! Format wrong.')
self.type = self.__data['tl_type']
self.detail = self.__data['item_detail']
self.item_id = self.detail['item_id']
self.user_id = self.detail['uid']
self.avatar = self.detail['avatar']
class bcy_user_climber(object,):
def __init__(self, user_id):
self.__user_id = user_id
self.__items = []
self.__item_get_url = 'https://bcy.net/home/timeline/loaduserposts'
self.__max_limit = 20
def get_items(self):
item_list = []
last_item = None
while True:
params = { 'since':0 if not last_item else last_item.item_id,
'grid_type':'timeline',
'uid':self.__user_id,
'limit':self.__max_limit
}
item_data = requests.get(self.__item_get_url, params=params)
item_json = json.loads(item_data.text)
item_data = item_json['data']
# 若data为空
if not item_data:
break
for i in item_data:
temp_item = bcy_user_item(i)
item_list.append(temp_item)
last_item = item_list[-1]
self.__items = item_list
return item_list
def get_page_url(self):
if not self.__items:
self.get_items()
page_home = 'https://bcy.net/item/detail/'
url_lst = []
for i in self.__items:
temp_url = page_home + i.item_id
url_lst.append(temp_url)
return url_lst
def begin_download(self, Directory=os.getcwd() + '\\bcydownload', Isdate=0, page_url_list=None):
if not page_url_list:
page_url_list = self.get_page_url()
for i in page_url_list:
print("Url : "+i)
single = bcy_single_climber(url = i)
single.start(Directory,Isdate)
return True
if __name__ == '__main__':
UID = sys.argv[1]('/')[-1].split('?')[0]
print("Begin crawing with UID {0}".format(UID))
uitem = bcy_user_climber(UID)
p = multiprocessing.Process(target=uitem.begin_download, args=())
p.start()
p.join()