1st commit

scripts/download_helpers.py

@@ -0,0 +1,60 @@
+import os
+import requests
+import tarfile
+import shutil
+from pathlib import Path
+
+def download_maxmind(license_key: str, db_name: str, dest_path: str, url_template: str):
+    url = url_template.format(DBNAME=db_name, LICENSE_KEY=license_key)
+    tmp = Path("/tmp") / "maxmind_download.tar.gz"
+    r = requests.get(url, stream=True, timeout=60)
+    r.raise_for_status()
+    with open(tmp, "wb") as f:
+        for chunk in r.iter_content(chunk_size=8192):
+            if chunk:
+                f.write(chunk)
+    with tarfile.open(tmp, "r:gz") as tar:
+        for member in tar.getmembers():
+            if member.name.endswith(".mmdb"):
+                member_f = tar.extractfile(member)
+                if member_f is None:
+                    continue
+                dest = Path(dest_path)
+                dest.parent.mkdir(parents=True, exist_ok=True)
+                with open(dest, "wb") as out_f:
+                    shutil.copyfileobj(member_f, out_f)
+                return str(dest)
+    raise RuntimeError("Nie znaleziono pliku .mmdb w archiwum")
+
+def download_file(url: str, dest_path: str):
+    r = requests.get(url, stream=True, timeout=60)
+    r.raise_for_status()
+    Path(dest_path).parent.mkdir(parents=True, exist_ok=True)
+    with open(dest_path, "wb") as f:
+        for chunk in r.iter_content(chunk_size=8192):
+            if chunk:
+                f.write(chunk)
+    return dest_path
+
+def github_latest_mmdb(repo: str, token: str | None = None) -> str | None:
+    """
+    Zwraca URL do najnowszego assetu .mmdb z releases/latest dla repo (owner/name).
+    Preferencja: City -> Country -> ASN.
+    """
+    api = f"https://api.github.com/repos/{repo}/releases/latest"
+    headers = {"Accept": "application/vnd.github+json"}
+    if token:
+        headers["Authorization"] = f"Bearer {token}"
+    r = requests.get(api, headers=headers, timeout=30)
+    r.raise_for_status()
+    data = r.json()
+    assets = data.get("assets", [])
+    urls = [a.get("browser_download_url") for a in assets if (a.get("browser_download_url") or "").lower().endswith(".mmdb")]
+    if not urls:
+        return None
+    lower = [u.lower() for u in urls]
+    for key in ("city", "country", "asn"):
+        for i, u in enumerate(lower):
+            if key in u:
+                return urls[i]
+    return urls[0]