Fix ninja in saved messages

I'm not sure why you'd use ninja in your own chat, but it shouldn't raise anyways.

stdplugins/info.py

@@ -1,91 +0,0 @@
-# This Source Code Form is subject to the terms of the Mozilla Public
-# License, v. 2.0. If a copy of the MPL was not distributed with this
-# file, You can obtain one at http://mozilla.org/MPL/2.0/.
-
-from telethon import events
-from telethon.utils import add_surrogate
-from telethon.tl.types import MessageEntityPre
-from telethon.tl.tlobject import TLObject
-import datetime
-
-STR_LEN_MAX = 256
-BYTE_LEN_MAX = 64
-
-
-def parse_pre(text):
-    text = text.strip()
-    return (
-        text,
-        [MessageEntityPre(offset=0, length=len(add_surrogate(text)), language='')]
-    )
-
-
-def yaml_format(obj, indent=0):
-    """
-    Pretty formats the given object as a YAML string which is returned.
-    (based on TLObject.pretty_format)
-    """
-    result = []
-    if isinstance(obj, TLObject):
-        obj = obj.to_dict()
-
-    if isinstance(obj, dict):
-        if not obj:
-            return 'dict:'
-        result.append(obj.get('_', 'dict') + ':')
-        items = obj.items()
-        has_multiple_items = len(items) > 2
-        if has_multiple_items:
-            result.append('\n')
-        indent += 2
-        for k, v in items:
-            if k == '_' or v is None:
-                continue
-            formatted = yaml_format(v, indent)
-            if not formatted.strip():
-                continue
-            result.append(' ' * (indent if has_multiple_items else 1))
-            result.append(f'{k}: {formatted}')
-            result.append('\n')
-        result.pop()
-        indent -= 2
-        result.append(' ' * indent)
-    elif isinstance(obj, str):
-        # truncate long strings and display elipsis
-        result = repr(obj[:STR_LEN_MAX])
-        if len(obj) > STR_LEN_MAX:
-            result += '…'
-        return result
-    elif isinstance(obj, bytes):
-        # repr() bytes if it's printable, hex like "FF EE BB" otherwise
-        if all(0x20 <= c < 0x7f for c in obj):
-            return repr(obj)
-        else:
-            return ('<…>' if len(obj) > BYTE_LEN_MAX else
-                    ' '.join(f'{b:02X}' for b in obj))
-    elif isinstance(obj, datetime.datetime):
-        # ISO-8601 without timezone offset (telethon dates are always UTC)
-        return obj.strftime('%Y-%m-%d %H:%M:%S')
-    elif hasattr(obj, '__iter__'):
-        # display iterables one after another at the base indentation level
-        result.append('\n')
-        indent += 2
-        for x in obj:
-            result.append(f"{' ' * indent}- {yaml_format(x, indent + 2)}")
-            result.append('\n')
-        result.pop()
-        indent -= 2
-        result.append(' ' * indent)
-    else:
-        return repr(obj)
-
-    return ''.join(result)
-
-
-@borg.on(events.NewMessage(pattern=r"\.info", outgoing=True))
-async def _(event):
-    if not event.message.is_reply:
-        return
-    msg = await event.message.get_reply_message()
-    yaml_text = yaml_format(msg)
-    await event.edit(yaml_text, parse_mode=parse_pre)

stdplugins/ninja.py

@@ -5,6 +5,7 @@
 import asyncio
 
 from telethon import events
+from telethon.tl.types import InputPeerSelf
 import telethon.utils
 
 from uniborg import util
@@ -20,6 +21,8 @@ async def get_target_message(event):
 
 
 async def await_read(chat, message):
+    if isinstance(chat, InputPeerSelf):
+        return
     chat = telethon.utils.get_peer_id(chat)
 
     async def read_filter(read_event):