Handle empty docker log periods

handlers/callbacks.py

@@ -117,6 +117,11 @@ async def logs_options(cb: CallbackQuery):
     if action == "tail":
         await cb.answer("Loading logs…")
         rc, out = await docker_cmd(["logs", "--tail", "80", real])
+        if rc != 0:
+            await cb.message.answer(out)
+            return
+        if not out.strip():
+            out = "(no logs)"
         await cb.message.answer(
             f"📜 **Logs: {alias}**\n```{out}```",
             parse_mode="Markdown"
@@ -132,6 +137,11 @@ async def logs_options(cb: CallbackQuery):
         since_ts = str(int(time.time() - seconds))
         await cb.answer("Loading logs…")
         rc, out = await docker_cmd(["logs", "--since", since_ts, "--tail", "200", real])
+        if rc != 0:
+            await cb.message.answer(out)
+            return
+        if not out.strip():
+            out = "(no logs for period)"
         await cb.message.answer(
             f"📜 **Logs: {alias}**\n```{out}```",
             parse_mode="Markdown"

handlers/docker.py

@@ -102,6 +102,9 @@ async def log_filter_input(msg: Message):
     if rc != 0:
         await msg.answer(out, reply_markup=docker_kb)
         return
+    if not out.strip():
+        await msg.answer("⚠️ Нет логов за выбранный период", reply_markup=docker_kb)
+        return
 
     lines = [line for line in out.splitlines() if needle.lower() in line.lower()]
     filtered = "\n".join(lines) if lines else "(no matches)"