[Python] 纯文本查看 复制代码
#!/usr/bin/python
# -*- coding: utf-8 -*-
'''
MIT License
Copyright (c) 2019 Maemo8086
Copyright (c) 2019 MikoSec
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.
'''
import os
import random
import requests
import sys
import time
from bs4 import BeautifulSoup
from collections import deque
def download(file_url, path, filename): # 下载函数
global headers
global download_exception
display_max = 64
if path:
if len(path) > display_max:
display_path = '...' + path[-display_max:]
else:
display_path = path
else:
display_path = '/'
if len(filename) > display_max:
display_filename = '...' + filename[-display_max:]
else:
display_filename = filename
print()
print(f'\r[Downloading] Path => {display_path}\tFile Name => {display_filename}')
sys.stdout.flush()
delay = False
if delay:
wait = round(random.uniform(0, 5), 2)
print(f'\r[Info] Waiting {wait} seconds...')
sys.stdout.flush()
time.sleep(wait)
start = time.time() # 开始时间
if path:
if not os.path.exists(path):
os.makedirs(path)
if path[-1] != os.sep:
path += os.sep
full_path = path + filename
try:
response = requests.get(file_url, headers=headers, stream=True, timeout=30)
except:
download_exception.append((file_url, path, filename))
print(f'\r[Error] Download request for *{display_filename}* has failed.')
return
if response.status_code != 200:
response.close()
download_exception.append((file_url, path, filename))
print(f'\r[Error] Download request for *{display_filename}* has failed.\tstatus_code => {response.status_code}')
return
try:
content_size = int(response.headers['content-length'])
except:
response.close()
download_exception.append((file_url, path, filename))
print(f'\r[Error] Download request for *{display_filename}* has failed.\tMissing or invalid content-length.')
return
if content_size < 0:
response.close()
download_exception.append((file_url, path, filename))
print(f'\r[Error] Download request for *{display_filename}* has failed.\tInvalid content-length range.')
return
print('[File Size] %0.2f MB' % (content_size / 1024 ** 2))
sys.stdout.flush()
if os.path.exists(full_path):
if os.path.getsize(full_path) == content_size: # 判断文件大小
response.close()
print('[Info] Same sized file exists, skipping...')
return
else:
print('[Warning] Overwriting existing copy.')
chunk_size = 1024
size = 0
try:
with open(full_path, 'wb', buffering=1) as f:
for data in response.iter_content(chunk_size):
f.write(data)
size += len(data)
print(
'\r[Downloading] %s>%.2f%%' % (
'=' * int(size * 50 / content_size), float(size / content_size * 100)), end='')
except:
download_exception.append((file_url, path, filename))
if os.path.exists(full_path):
os.remove(full_path)
print(f'\r[Error] Download *{display_filename}* has failed.')
return
finally:
response.close()
end = time.time() # 结束时间
print('\rTime elapsed: %.2fs' % (end - start))
def recursive_fetch(soup, part_url):
global url
global headers
for i in soup.find_all('td', class_='link'): # 获取文件或目录
if i.text == 'Parent directory/':
continue
if i.text[-1] != '/':
path = part_url[len(url):]
filename = i.text
file_url = part_url + filename
download(file_url, path, filename)
else:
dir_url = part_url + i.text
print()
print(f'\r[Info] Searching under {dir_url}')
execute = True
while execute:
wait = round(random.uniform(0, 5), 2)
print(f'\r[Info] Waiting {wait} seconds...')
sys.stdout.flush()
time.sleep(wait)
execute = False
try:
with requests.get(dir_url, headers=headers, timeout=30) as req:
req.encoding = req.apparent_encoding
soup1 = BeautifulSoup(req.text, 'lxml')
except:
execute = True
print(f'\r[Error] URL request *{dir_url}* has failed, retrying...')
recursive_fetch(soup1, dir_url)
def main():
global url
global headers
global download_exception
print(
'''
Python 爱盘爬虫工具
作者： Maemo8086，MikoSec
源码： https://github.com/Maemo8086/Python_AiPan_Crawler
一款基于Python的吾爱破解论坛爱盘下载工具
本工具使用requests库跟bs4库
建议使用前先修改User Agent
'''
)
directory = 'AiPan'
if not os.path.exists(directory):
os.mkdir(directory)
os.chdir(directory)
try:
with requests.get(url, headers=headers, timeout=30) as req:
req.encoding = req.apparent_encoding
soup = BeautifulSoup(req.text, 'lxml')
except:
print(f'\r[Error] URL request *{url}* has failed.')
return
recursive_fetch(soup, url)
while download_exception:
print()
print(f'\r[Info] Retrying {len(download_exception)} failed downloads...')
wait = round(random.uniform(10, 30), 2)
print(f'\r[Info] Waiting {wait} seconds...')
sys.stdout.flush()
time.sleep(wait)
download_exception_copy = download_exception.copy()
download_exception.clear()
while download_exception_copy:
file_url, path, filename = download_exception_copy.pop()
file_url = file_url.strip('\\')
path = path.strip('\\')
filename = filename.strip('\\')
download(file_url, path, filename)
url = 'https://down.52pojie.cn/' # 爱盘 URL
headers = {
'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/77me/77.0.3865.120 Safari/537.36'}
download_exception = deque()
main()
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发表于 2019-10-20 18:41
这是扛把子精神