Klapr.zip | Download

try: # ------------------------------------------------------------------ # # 3️⃣ Stream download – we avoid loading the whole file into RAM. # ------------------------------------------------------------------ # with requests.get(url, stream=True, timeout=timeout) as r: r.raise_for_status() # raise HTTPError for bad status codes

def _calc_checksum(file_path: Path, algo: str = "sha256") -> str: """Calculate a checksum (`algo` can be 'md5', 'sha1', 'sha256', etc.).""" h = hashlib.new(algo) with file_path.open("rb") as f: for chunk in iter(lambda: f.read(8192), b""): h.update(chunk) return h.hexdigest() Download Klapr.zip

try: # Python 3.11+ has built‑in http client with async support, but for simplicity we use requests. import requests except ImportError as exc: raise ImportError( "The `requests` library is required for this helper. Install it with:\n" " pip install requests" ) from exc Install it with:\n" " pip install requests" )

with temp_file.open("wb") as f: for chunk in r.iter_content(chunk_size=chunk_size): if not chunk: # keep‑alive chunks can be empty continue f.write(chunk) downloaded += len(chunk) Path]] = None

def download_and_extract( url: str, *, dest_dir: Optional[Union[str, Path]] = None, checksum: Optional[str] = None, checksum_algo: str = "sha256", timeout: int = 30, chunk_size: int = 8192, ) -> Path: """ Download a ZIP archive from `url`, optionally verify its checksum, and safely extract it.

# Optional: give a quick progress report (useful in CLI scripts) if total: percent = downloaded / total * 100 print(f"✅ Download complete (downloaded:, bytes, percent:.1f%).") else: print(f"✅ Download complete (downloaded:, bytes).")

# ------------------------------------------------------------------ # # 4️⃣ Verify checksum (if requested) # ------------------------------------------------------------------ # if checksum: actual = _calc_checksum(temp_file, algo=checksum_algo) if actual.lower() != checksum.lower(): raise ZipDownloadError( f"Checksum mismatch for url!r: expected checksum, got actual" ) print(f"🔐 Checksum (checksum_algo) verified.")