From a7bd0f29575d48553295ae968145cf2e9ebb4b5b Mon Sep 17 00:00:00 2001
From: h4nz4 <ikov34@gmail.com>
Date: Mon, 9 Mar 2026 19:21:51 +0100
Subject: [PATCH] feat(telegram): support HTTP(S) URLs for media in
 TelegramChannel

Fixes #1792
---
 nanobot/channels/telegram.py | 13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)

diff --git a/nanobot/channels/telegram.py b/nanobot/channels/telegram.py
index 34c4a3b..9ec3c0e 100644
--- a/nanobot/channels/telegram.py
+++ b/nanobot/channels/telegram.py
@@ -354,7 +354,18 @@ class TelegramChannel(BaseChannel):
                     "audio": self._app.bot.send_audio,
                 }.get(media_type, self._app.bot.send_document)
                 param = "photo" if media_type == "photo" else media_type if media_type in ("voice", "audio") else "document"
-                with open(media_path, 'rb') as f:
+
+                # Telegram Bot API accepts HTTP(S) URLs directly for media params.
+                if media_path.startswith(("http://", "https://")):
+                    await sender(
+                        chat_id=chat_id,
+                        **{param: media_path},
+                        reply_parameters=reply_params,
+                        **thread_kwargs,
+                    )
+                    continue
+
+                with open(media_path, "rb") as f:
                     await sender(
                         chat_id=chat_id,
                         **{param: f},