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ProviderCore/download.py

@@ -0,0 +1,42 @@
+from __future__ import annotations
+
+from pathlib import Path
+from typing import Optional
+
+import requests
+
+
+def sanitize_filename(name: str, *, max_len: int = 150) -> str:
+    text = str(name or "").strip()
+    if not text:
+        return "download"
+
+    forbidden = set('<>:"/\\|?*')
+    cleaned = "".join("_" if c in forbidden else c for c in text)
+    cleaned = " ".join(cleaned.split()).strip().strip(".")
+    if not cleaned:
+        cleaned = "download"
+    return cleaned[:max_len]
+
+
+def download_file(url: str, output_path: Path, *, session: Optional[requests.Session] = None, timeout_s: float = 30.0) -> bool:
+    output_path = Path(output_path)
+    output_path.parent.mkdir(parents=True, exist_ok=True)
+
+    s = session or requests.Session()
+
+    try:
+        with s.get(url, stream=True, timeout=timeout_s) as resp:
+            resp.raise_for_status()
+            with open(output_path, "wb") as f:
+                for chunk in resp.iter_content(chunk_size=1024 * 256):
+                    if chunk:
+                        f.write(chunk)
+        return output_path.exists() and output_path.stat().st_size > 0
+    except Exception:
+        try:
+            if output_path.exists():
+                output_path.unlink()
+        except Exception:
+            pass
+        return False