Download any file with percent on Python

python download file with percent.py

import certifi
import urllib3

url = "http://www.serveraddress.tld/file/to/download.zip"

file_name = url.split('/')[-1]

http = urllib3.PoolManager(
    cert_reqs='CERT_REQUIRED',
    ca_certs=certifi.where()
)

r = http.request('GET', url, preload_content=False)

file_size = int(r.headers["Content-Length"])

print("Downloading: {} Bytes: {}".format(file_name, file_size))

file_size_dl = 0
block_sz = 8192

f = open(file_name, "wb")

while True:
    buffer = r.read(block_sz)
    if not buffer:
        break

    file_size_dl += len(buffer)
    f.write(buffer)
    status = "{}".format(int(file_size_dl * 100. // file_size))
    #status = status + chr(8)*(len(status)+1)
    print(status)

f.close()

Good Code!