with open(temp_path, mode) as fh, tqdm(total=remaining, unit='B', unit_scale=True, desc=os.path.basename(outpath), initial=resume_byte_pos, leave=False) as pbar: for chunk in r.iter_content(CHUNK_SIZE): if chunk: fh.write(chunk) pbar.update(len(chunk)) # finished download, rename os.replace(temp_path, outpath) # verify checksum if provided if expected_sha256: sha = hashlib.sha256() with open(outpath, 'rb') as f: for chunk in iter(lambda: f.read(CHUNK_SIZE), b''): sha.update(chunk) got = sha.hexdigest().lower() if got != expected_sha256.lower(): raise ValueError(f'Checksum mismatch for outpath: expected expected_sha256, got got') return 'status': 'ok', 'path': outpath except Exception as e: attempt += 1 wait = BACKOFF_FACTOR ** attempt time.sleep(wait) headers.pop('Range', None) # after failure, try without Range to re-request fresh # continue retrying last_exc = e return 'status': 'error', 'error': str(last_exc), 'url': url, 'path': outpath
Internal build codes for drivers or firmware downloads. itdtxe download hot
urls.txt: one URL per line. URLs can include optional output filename after a space: https://example.com/file.zip file.zip mode) as fh