Python3實現文件下載,顯示下載進度
#!/usr/bin/env python3
# -*- coding: utf-8 -*-
# 實現文件下載,顯示下載進度
import requests
def download_file(url, save_path=""):
if save_path == "":
save_path = url.split('/')[-1]
with requests.get(url, stream=True) as fget:
# 此時只有響應頭被下載
file_size = int(fget.headers["Content-Length"])
print('-' * 32)
print(f"Name: {save_path}")
print(f"Size: {file_size/(1000**2)}Mb")
print(f"Link: {url}")
print('-' * 32)
chunk_size = 512
file_done = 0
with open(save_path, "wb") as fw:
for chunk in fget.iter_content(chunk_size):
fw.write(chunk)
file_done = file_done + chunk_size
percent = file_done / file_size
if file_done <= file_size:
print(f"Download: {percent:.2%}", end='\r')
else:
print("Download: 100% ")
if __name__ == "__main__":
download_file("https://www.baidu.com/img/flexible/logo/pc/result.png")
