def load_config(): if os.path.exists(CONFIG_FILE): with open(CONFIG_FILE) as f: return json.load(f) return {}
return total_size def verify_checksum(file_path, expected_sha256): sha256 = hashlib.sha256() with open(file_path, "rb") as f: for chunk in iter(lambda: f.read(4096), b""): sha256.update(chunk) actual = sha256.hexdigest() if actual != expected_sha256: raise Exception(f"Checksum mismatch: expected {expected_sha256}, got {actual}") print("Checksum verified successfully.") download rhel-server-7.9-x86-64-dvd.iso
# This is a placeholder - real Red Hat URLs require token & SHA256 path # In practice, use: https://access.redhat.com/downloads/content/69/ver=/rhel---7/7.9/x86_64/product-software # Then parse for the DVD ISO link. def load_config(): if os
download_page = "https://access.redhat.com/downloads/content/69/ver=/rhel---7/7.9/x86_64/product-software" resp = session.get(download_page) if resp.status_code != 200: raise Exception("Failed to access download page") download rhel-server-7.9-x86-64-dvd.iso
# Step 3: Checksum (optional, you'd fetch expected SHA from Red Hat) # expected_sha = "..." # fetch from metadata # verify_checksum(output_file, expected_sha)
if os.path.exists(output_path): resume_pos = os.path.getsize(output_path) headers["Range"] = f"bytes={resume_pos}-"