Add Telegram Desktop tdata import script

scripts/import-tdata.py

@@ -0,0 +1,101 @@
+#!/usr/bin/env python3
+"""
+Import Telegram Desktop tdata into a Telethon StringSession.
+Requires `opentele` (pip install opentele).
+"""
+
+import argparse
+import asyncio
+import os
+from pathlib import Path
+
+from telethon.sessions import StringSession
+
+
+def load_env() -> None:
+    if not os.path.exists(".env"):
+        return
+    with open(".env", "r", encoding="utf-8") as handle:
+        for line in handle:
+            line = line.strip()
+            if not line or line.startswith("#") or "=" not in line:
+                continue
+            key, value = line.split("=", 1)
+            os.environ.setdefault(key.strip(), value.strip().strip('"').strip("'"))
+
+
+def find_tdata_path() -> Path:
+    candidates = [
+        Path.home() / ".local" / "share" / "TelegramDesktop" / "tdata",
+        Path.home() / "AppData" / "Roaming" / "Telegram Desktop" / "tdata",
+        Path.home() / "Library" / "Application Support" / "Telegram Desktop" / "tdata",
+    ]
+    for candidate in candidates:
+        if candidate.exists():
+            return candidate
+    return candidates[0]
+
+
+async def import_tdata(args: argparse.Namespace) -> None:
+    load_env()
+    api_id = args.api_id or os.getenv("OVERUB_API_ID") or os.getenv("API_ID")
+    api_hash = args.api_hash or os.getenv("OVERUB_API_HASH") or os.getenv("API_HASH")
+    if not api_id or not api_hash:
+        print("API_ID/API_HASH required (set in .env or pass --api-id/--api-hash).")
+        return
+    try:
+        api_id = int(api_id)
+    except ValueError:
+        print("API_ID must be an integer")
+        return
+
+    tdata = Path(args.tdata or find_tdata_path())
+    if not tdata.exists():
+        print(f"tdata not found: {tdata}")
+        return
+
+    try:
+        from opentele.td import TDesktop  # type: ignore
+    except Exception:
+        try:
+            from opentele import TDesktop  # type: ignore
+        except Exception as exc:
+            print("opentele not installed. Install with: pip install opentele")
+            print(f"Import error: {exc}")
+            return
+
+    client = None
+    td = TDesktop(str(tdata))
+    if hasattr(td, "to_telethon"):
+        try:
+            client = td.to_telethon(session=StringSession(), api_id=api_id, api_hash=api_hash)
+        except TypeError:
+            client = td.to_telethon(StringSession(), api_id, api_hash)
+    if client is None:
+        try:
+            from opentele.tl import TelegramClient as OTClient  # type: ignore
+        except Exception:
+            print("Unsupported opentele version. Try upgrading opentele.")
+            return
+        client = OTClient(td, api_id, api_hash)
+
+    await client.connect()
+    session_string = client.session.save()
+    await client.disconnect()
+
+    print("\nSession string:")
+    print(session_string)
+    print("\nAdd to .env as OVERUB_SESSION_STRING=" + session_string)
+
+
+def main() -> None:
+    parser = argparse.ArgumentParser(description="Import Telegram Desktop tdata to Telethon StringSession")
+    parser.add_argument("--tdata", default="", help="Path to Telegram Desktop tdata directory")
+    parser.add_argument("--api-id", default="")
+    parser.add_argument("--api-hash", default="")
+    args = parser.parse_args()
+    asyncio.run(import_tdata(args))
+
+
+if __name__ == "__main__":
+    main()