ATMOS/pyatmos/utils/try_download.py
2021-01-22 15:26:25 +08:00

33 lines
1.2 KiB
Python

import requests
from tqdm import tqdm
from colorama import Fore
def tqdm_request(url,dir_to,file,desc):
'''
Try to download files from a remote server by request with a colored progress bar.
'''
block_size = 1024*10
bar_format = "{l_bar}%s{bar}%s{r_bar}" % (Fore.BLUE, Fore.RESET)
for idownload in range(5):
try:
local_file = open(dir_to + file, 'ab')
pos = local_file.tell()
resume_header = {'Range': f'bytes={pos}-'}
res = requests.get(url,stream=True,timeout=100,headers=resume_header)
total_size = int(res.headers.get('content-length', 0))
pbar = tqdm(desc = desc,total=total_size,unit='B',unit_scale=True,bar_format = bar_format,position=0,initial=pos)
for chunk in res.iter_content(block_size):
pbar.update(len(chunk))
local_file.write(chunk)
pbar.close()
res.close()
break
except:
sleep(2)
if idownload == 4:
remove(dir_to + file)
print('No response, skip this file.')
finally:
local_file.close()