# ---------------------------------------------------------------------- # Core downloader # ---------------------------------------------------------------------- class Downloader: """ Handles a resumable HTTP(S) download with optional speed limiting. """ CHUNK_SIZE = 8192 # 8 KiB – good compromise between IO and memory Movielinkbd Byomkesh O Durgo Rahasya 2023be Better - Yet, It
if not use_tqdm: print() # final newline after simple printer if bar: bar.close() break # successful download -> exit retry loop except (HTTPError, URLError, ConnectionError, TimeoutError) as exc: attempt += 1 if attempt > self.retries: raise RuntimeError(f"Download failed after self.retries retries") from exc wait_sec = 2 ** attempt print(f"[WARN] Download error (exc). Retrying in wait_secs…", file=sys.stderr) time.sleep(wait_sec) Historia Grafica De La Medicina Manuel Barquin Calderon Pdf Apr 2026
Usage example: python downloader.py \ --url "https://example.com/khatrimazafull.mp4" \ --output "khatrimazafull.mp4" \ --min-size 100M \ --max-size 300M \ --speed-limit 2M # optional, limits to 2 MiB/s
with open(self.tmp_path, 'ab') as out_file: while True: chunk = resp.read(self.CHUNK_SIZE) if not chunk: break out_file.write(chunk)
# Get total size (if server reports it) total_size = self._remote_file_size() if total_size is None: # Fallback: we will just download till EOF – size checks happen at the end. total_size = 0
All of the heavy lifting is done with the (so you don’t need extra compiled dependencies) and the tiny third‑party tqdm for the progress bar. If you don’t want any external packages, you can replace tqdm with a custom print loop – the rest works without any extra installs. 2. Full source code (Python 3.9+) #!/usr/bin/env python3 # -*- coding: utf-8 -*-
Author: ChatGPT (2024‑06) """
def main() -> None: args = build_argparser().parse_args()