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| import re
import os
import os.path as osp
import sys
import json
import time
import argparse
import datetime
from selenium import webdriver
from bs4 import BeautifulSoup
from urllib import parse as url_parse
import random
from .tools import mkdir_if_missing, write_json, read_json
class Bilibili_Spider():
def __init__(self, uid, save_dir_json='json', save_by_page=False, t=2):
self.t = t
self.uid = uid
self.user_url = 'https://space.bilibili.com/{}'.format(uid)
self.save_dir_json = save_dir_json
self.save_by_page = save_by_page
options = webdriver.FirefoxOptions()
options.add_argument('--headless')
self.browser = webdriver.Firefox(options=options)
print('spider init done.')
def close(self):
self.browser.quit()
def time_convert(self, time_str):
time_item = time_str.split(':')
assert len(time_item) == 2, 'time format error: {}, x:x expected!'.format(time_str)
seconds = int(time_item[0])*60 + int(time_item[1])
return seconds
def date_convert(self, date_str):
date_item = date_str.split('-')
assert len(date_item) == 2 or len(date_item) == 3, 'date format error: {}, x-x or x-x-x expected!'.format(date_str)
if len(date_item) == 2:
year = datetime.datetime.now().strftime('%Y')
date_str = '{}-{:>02d}-{:>02d}'.format(year, int(date_item[0]), int(date_item[1]))
else:
date_str = '{}-{:>02d}-{:>02d}'.format(date_item[0], int(date_item[1]), int(date_item[2]))
return date_str
def get_page_num(self):
page_url = self.user_url + '/video?tid=0&page={}&keyword=&order=pubdate'.format(1)
self.browser.get(page_url)
time.sleep(self.t+2*random.random())
html = BeautifulSoup(self.browser.page_source, features="html.parser")
page_number = html.find('span', attrs={'class':'be-pager-total'}).text
user_name = html.find('span', id = 'h-name').text
return int(page_number.split(' ')[1]), user_name
def get_videos_by_page(self, idx):
urls_page, titles_page, plays_page, dates_page, durations_page = [], [], [], [], []
page_url = self.user_url + '/video?tid=0&page={}&keyword=&order=pubdate'.format(idx+1)
self.browser.get(page_url)
time.sleep(self.t+2*random.random())
html = BeautifulSoup(self.browser.page_source, features="html.parser")
ul_data = html.find('div', id = 'submit-video-list').find('ul', attrs= {'class': 'clearfix cube-list'})
for li in ul_data.find_all('li'):
a = li.find('a', attrs = {'target':'_blank', 'class':'title'})
a_url = 'https:{}'.format(a['href'])
a_title = a.text
date_str = li.find('span', attrs = {'class':'time'}).text.strip()
pub_date = self.date_convert(date_str)
now = datetime.datetime.now().strftime('%Y-%m-%d %H:%M:%S')
play = int(li.find('span', attrs = {'class':'play'}).text.strip())
time_str = li.find('span', attrs = {'class':'length'}).text
duration = self.time_convert(time_str)
urls_page.append(a_url)
titles_page.append(a_title)
dates_page.append((pub_date, now))
plays_page.append(play)
durations_page.append(duration)
return urls_page, titles_page, plays_page, dates_page, durations_page
def save(self, json_path, bvs, urls, titles, plays, durations, dates):
data_list = []
for i in range(len(urls)):
result = {}
result['user_name'] = self.user_name
result['bv'] = bvs[i]
result['url'] = urls[i]
result['title'] = titles[i]
result['play'] = plays[i]
result['duration'] = durations[i]
result['pub_date'] = dates[i][0]
result['now'] = dates[i][1]
data_list.append(result)
print('write json to {}'.format(json_path))
dir_name = osp.dirname(json_path)
mkdir_if_missing(dir_name)
write_json(data_list, json_path)
print('dump json file done. total {} urls. \n'.format(len(urls)))
def get(self):
print('Start ... \n')
self.page_num, self.user_name = self.get_page_num()
while self.page_num == 0:
print('Failed to get user page num, poor network condition, retrying ... ')
self.page_num, self.user_name = self.get_page_num()
print('Pages Num {}, User Name: {}'.format(self.page_num, self.user_name))
bvs = []
urls = []
titles = []
plays = []
dates = []
durations = []
for idx in range(self.page_num):
print('>>>> page {}/{}'.format(idx+1, self.page_num))
urls_page, titles_page, plays_page, dates_page, durations_page = self.get_videos_by_page(idx)
while len(urls_page) == 0:
print('failed, try again page {}/{}'.format(idx+1, self.page_num))
urls_page, titles_page, plays_page, dates_page, durations_page = self.get_videos_by_page(idx)
bvs_page = [x.split('/')[-1] for x in urls_page]
assert len(urls_page) == len(titles_page), '{} != {}'.format(len(urls_page), len(titles_page))
assert len(urls_page) == len(plays_page), '{} != {}'.format(len(urls_page), len(titles_page))
assert len(urls_page) == len(dates_page), '{} != {}'.format(len(urls_page), len(dates_page))
assert len(urls_page) == len(durations_page), '{} != {}'.format(len(urls_page), len(durations_page))
print('result:')
print('{}_{}: '.format(self.user_name, self.uid), bvs_page, ', {} in total'.format(len(urls_page)))
sys.stdout.flush()
bvs.extend(bvs_page)
urls.extend(urls_page)
titles.extend(titles_page)
plays.extend(plays_page)
dates.extend(dates_page)
durations.extend(durations_page)
if self.save_by_page:
json_path_page = osp.join(self.save_dir_json, '{}_{}'.format(self.user_name, self.uid), 'primary', 'page_{}.json'.format(idx+1))
self.save(json_path_page, bvs_page, urls_page, titles_page, plays_page, durations_page, dates_page)
json_path = osp.join(self.save_dir_json, '{}_{}'.format(self.user_name, self.uid), 'primary', 'full.json')
self.save(json_path, bvs, urls, titles, plays, durations, dates)
def get_url(self, url):
self.browser.get(url)
time.sleep(self.t+2*random.random())
html = BeautifulSoup(self.browser.page_source, features="html.parser")
video_data = html.find('div', id = 'viewbox_report').find_all('span')
play = int(video_data[1]['title'][4:])
danmu = int(video_data[2]['title'][7:])
date = video_data[3].text
multi_page = html.find('div', id = 'multi_page')
if multi_page is not None:
url_type = 'playlist'
pages = multi_page.find('span', attrs= {'class': 'cur-page'}).text
page_total = int(pages.split('/')[-1])
else:
url_type = 'video'
page_total = 1
return play, danmu, date, url_type, page_total
def get_detail(self):
print('Start to get detailed information for each url.')
if self.save_by_page:
data = []
for idx in range(self.page_num):
json_path = osp.join(self.save_dir_json, '{}_{}'.format(self.user_name, self.uid), 'primary', 'page_{}.json'.format(idx+1))
data_page = read_json(json_path)
for j, item in enumerate(data_page):
url = item['url']
print('>>>> page {}/{}, No. {}/{}'.format(idx+1, self.page_num, j+1, len(data_page)))
play, danmu, date, url_type, page_total = self.get_url(url)
assert page_total > 0, page_total
if page_total == 1:
assert url_type == 'video', (url_type, page_total)
data_page[j]['play'] = play
data_page[j]['danmu'] = danmu
data_page[j]['pub_date'] = date
data_page[j]['type'] = url_type
data_page[j]['num'] = page_total
else:
assert url_type == 'playlist', (url_type, page_total)
data_page[j]['play'] = play
data_page[j]['danmu'] = danmu
data_page[j]['pub_date'] = date
data_page[j]['type'] = url_type
data_page[j]['num'] = page_total
json_path_save = osp.join(self.save_dir_json, '{}_{}'.format(self.user_name, self.uid), 'detailed', 'page_{}.json'.format(idx+1))
print('write json to {}'.format(json_path_save))
write_json(data_page, json_path_save)
print('dump json file done. total {} urls. \n'.format(len(data_page)))
data.extend(data_page)
json_path_save = osp.join(self.save_dir_json, '{}_{}'.format(self.user_name, self.uid), 'detailed', 'full.json')
print('write json to {}'.format(json_path_save))
write_json(data, json_path_save)
print('dump json file done. total {} urls. \n'.format(len(data)))
else:
json_path = osp.join(self.save_dir_json, '{}_{}'.format(self.user_name, self.uid), 'primary', 'full.json')
data = read_json(json_path)
for j, item in enumerate(data):
url = item['url']
print('>>>> No. {}/{}'.format(j+1, len(data)))
play, danmu, date, url_type, page_total = self.get_url(url)
assert page_total > 0, page_total
if page_total == 1:
assert url_type == 'video', (url_type, page_total)
data[j]['play'] = play
data[j]['danmu'] = danmu
data[j]['pub_date'] = date
data[j]['type'] = url_type
data[j]['num'] = page_total
else:
assert url_type == 'playlist', (url_type, page_total)
data[j]['play'] = play
data[j]['danmu'] = danmu
data[j]['pub_date'] = date
data[j]['type'] = url_type
data[j]['num'] = page_total
json_path_save = osp.join(self.save_dir_json, '{}_{}'.format(self.user_name, self.uid), 'detailed', 'full.json')
print('write json to {}'.format(json_path_save))
write_json(data, json_path_save)
print('dump json file done. total {} urls. \n'.format(len(data)))
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