mirror of
https://github.com/letian1650/N3RD.git
synced 2025-01-24 11:25:14 +08:00
192 lines
7.4 KiB
Python
192 lines
7.4 KiB
Python
#!/usr/bin/env python3
|
||
# -*- coding: utf-8 -*-
|
||
# File : download_progress.py
|
||
# Author: DaShenHan&道长-----先苦后甜，任凭晚风拂柳颜------
|
||
# Date : 2023/10/30
|
||
# 下载进度条工具
|
||
|
||
import os
|
||
import time
|
||
# import logging
|
||
import requests
|
||
from urllib.parse import unquote
|
||
from contextlib import closing
|
||
from utils.log import logger
|
||
|
||
chunkSize = 1024 * 1024
|
||
loop = 5
|
||
|
||
headers = {
|
||
"User-Agent": "Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/63.0.3239.132 Safari/537.36"
|
||
}
|
||
|
||
|
||
def speed_handle(process, file_length):
|
||
if process != file_length:
|
||
num = process / file_length
|
||
progress = ': \033[1;33m{:.2f}\033[0m%|{}{}| '.format(float(num * 100), '■' * round(num * 20),
|
||
'□' * round((1 - num) * 20))
|
||
else:
|
||
progress = ' \033[1;33m{}\033[0m% |{}|'.format(100, '■' * 50)
|
||
# print(progress, flush=True, end='')
|
||
logger.info(progress)
|
||
|
||
|
||
def get_file_name(url, headers):
|
||
filename = ''
|
||
if 'Content-Disposition' in headers and headers['Content-Disposition']:
|
||
disposition_split = headers['Content-Disposition'].split(';')
|
||
if len(disposition_split) > 1:
|
||
if disposition_split[1].strip().lower().startswith('filename='):
|
||
file_name = disposition_split[1].split('=')
|
||
if len(file_name) > 1:
|
||
filename = unquote(file_name[1])
|
||
if not filename and os.path.basename(url):
|
||
filename = os.path.basename(url).split("?")[0]
|
||
if not filename:
|
||
return time.time()
|
||
return filename
|
||
|
||
|
||
def file_download(fileUrl, filePath):
|
||
if os.path.exists(filePath):
|
||
os.remove(filePath)
|
||
# response = requests.get(fileUrl, headers=headers, stream=True, verify=False)
|
||
response = requests.get(fileUrl, headers=headers, stream=True)
|
||
is_chunked = response.headers.get('Transfer-Encoding') or ''
|
||
if is_chunked == 'chunked':
|
||
logger.info('chunked文件不支持获取总文件大小，tqdm模块才能分段下载')
|
||
return False
|
||
fileSize = int(response.headers.get('content-length') or 0) # 文件大小
|
||
logger.info(f'fileSize:{fileSize}')
|
||
if fileSize < 1:
|
||
return False
|
||
|
||
tmpSize = 0
|
||
n = 0
|
||
isDownloaded = False
|
||
while n < loop:
|
||
|
||
if os.path.exists(filePath): # 判断文件是否存在
|
||
tmpSize = os.path.getsize(filePath)
|
||
|
||
_headers = {"Range": "bytes={}-{}".format(tmpSize, fileSize),
|
||
"User-Agent": "Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/63.0.3239.132 Safari/537.36"}
|
||
|
||
# headers.update({"Range": "bytes={}-{}".format(tmpSize, fileSize)})
|
||
|
||
contentSize = 0
|
||
remainSize = (fileSize - tmpSize) / chunkSize
|
||
filename = os.path.basename(filePath)
|
||
|
||
st = time.perf_counter()
|
||
|
||
if remainSize > 0:
|
||
|
||
with closing(requests.get(fileUrl, headers=_headers, stream=True)) as _response, open(
|
||
filePath,
|
||
"ab") as file:
|
||
for content in _response.iter_content(chunk_size=chunkSize):
|
||
file.write(content)
|
||
timeTook = time.perf_counter() - st
|
||
contentSize += len(content) / chunkSize
|
||
# print('\r{}/{}: {}'.format(cnt + 1, len(fileUrls), filename), flush=True, end='')
|
||
# logger.info('\r{}/{}: {}'.format(cnt + 1, len(fileUrls), filename))
|
||
logger.info(f'文件{filename}下载中...')
|
||
|
||
speed_handle(contentSize + tmpSize / chunkSize, fileSize / chunkSize)
|
||
downloadSpeed = contentSize / timeTook # 平均下载速度
|
||
remainingTime = int(timeTook / (contentSize / remainSize) - timeTook) # 估计剩余下载时间
|
||
|
||
# print(
|
||
# '[' + 'average speed: \033[1;31m{:.2f}MiB/s\033[0m, remaining time: \033[1;32m{}s\033[0m, file size: \033[1;34m{:.2f}MiB\033[0m'.format(
|
||
# downloadSpeed,
|
||
# remainingTime,
|
||
# fileSize / chunkSize) + ']', flush=True, end=' '
|
||
# )
|
||
|
||
logger.info(
|
||
'[' + 'average speed: \033[1;31m{:.2f}MiB/s\033[0m, remaining time: \033[1;32m{}s\033[0m, file size: \033[1;34m{:.2f}MiB\033[0m'.format(
|
||
downloadSpeed,
|
||
remainingTime,
|
||
fileSize / chunkSize) + ']'
|
||
)
|
||
else:
|
||
isDownloaded = True
|
||
break
|
||
|
||
n += 1
|
||
|
||
return isDownloaded
|
||
|
||
|
||
def file_downloads(files, save_path='download'):
|
||
"""
|
||
files = [{'url':'https://ghproxy.liuzhicong.com/https://github.com/hjdhnx/dr_py/archive/refs/heads/main.zip','name':'dr_py.zip'}]
|
||
:param save_path:
|
||
:param files:
|
||
:return:
|
||
"""
|
||
# save_path = 'tmp'
|
||
os.makedirs(save_path, exist_ok=True)
|
||
|
||
# logging.basicConfig(level=logging.INFO, filename='download/downloading.log', filemode='a', format="%(message)s")
|
||
localtime = time.strftime('%Y-%m-%d %H:%M:%S', time.localtime(time.time()))
|
||
logger.info(localtime + ': Start downloading task: {}'.format(files))
|
||
failedUrl = []
|
||
|
||
for cnt, file in enumerate(files):
|
||
fileUrl = file.get('url')
|
||
if not fileUrl:
|
||
print('file error:no url')
|
||
continue
|
||
fileName = file.get('name')
|
||
filename = fileName or get_file_name(fileUrl, headers) # 获取文件名称
|
||
logger.info(f'开始下载{filename}: {fileUrl}')
|
||
try:
|
||
t0 = time.perf_counter()
|
||
isDload = file_download(fileUrl, os.path.join(save_path, filename))
|
||
t1 = time.perf_counter()
|
||
localtime = time.strftime('%Y-%m-%d %H:%M:%S', time.localtime(time.time()))
|
||
|
||
if isDload:
|
||
logger.info(
|
||
localtime + ': {} download successfully! Time consuming: {:.3f}s'.format(filename, t1 - t0))
|
||
else:
|
||
logger.info(localtime + ': {} download failed! Url: {}'.format(filename, fileUrl))
|
||
failedUrl.append(fileUrl)
|
||
|
||
except Exception as e:
|
||
logger.info(f'链接{fileUrl}下载失败,由于出现了错误:{e}')
|
||
failedUrl.append(fileUrl)
|
||
|
||
if len(failedUrl):
|
||
with open(os.path.join(save_path, 'failedUrl.txt'), 'w') as p:
|
||
for url in failedUrl:
|
||
p.write(url + '\n')
|
||
|
||
fn = len(failedUrl)
|
||
sn = len(files) - fn
|
||
# print("\n{} file{} download successfully, {} file{} download failed!".format(sn, 's' * (sn > 1), fn, 's' * (fn > 1)))
|
||
logger.info(
|
||
"\n{} file{} download successfully, {} file{} download failed!".format(sn, 's' * (sn > 1), fn, 's' * (fn > 1)))
|
||
|
||
if fn > 0:
|
||
return False
|
||
else:
|
||
return True
|
||
|
||
|
||
if __name__ == '__main__':
|
||
# urlTxt = 'download/urls.txt'
|
||
# with open(urlTxt, "r") as f:
|
||
# fileUrls = [line.strip() for line in f.readlines()]
|
||
response = requests.get('https://ghproxy.liuzhicong.com/https://github.com/hjdhnx/dr_py/archive/refs/heads/main.zip', headers=headers, stream=True)
|
||
print(response.headers)
|
||
fileSize = int(response.headers.get('content-length')) # 文件大小
|
||
logger.info(f'fileSize:{fileSize}')
|
||
|
||
# files = [{'url': 'https://ghproxy.liuzhicong.com/https://github.com/hjdhnx/dr_py/archive/refs/heads/main.zip',
|
||
# 'name': 'dr_py.zip'}]
|
||
# file_downloads(files, 'tmp')
|