Simplify code

I like it better now, but I still dislike it; We need to rewrite the entire function

stdplugins/info.py

@@ -0,0 +1,91 @@
+# 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/superblock.py

@@ -1,58 +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/.
-
-import asyncio
-
-from telethon import events
-import telethon.tl.functions as tlf
-from telethon.tl.types import InputPeerChannel, UpdateUserBlocked
-from telethon.tl.functions.contacts import GetBlockedRequest
-
-
-# How often to fetch the full list of blocked users
-REFETCH_TIME = 60
-
-blocked_user_ids = set()
-
-
-@borg.on(events.NewMessage(incoming=True, func=lambda e: e.message.mentioned))
-async def on_mentioned(event):
-    if not event.message.from_id:  # Channel messages don't have a from_id
-        return
-    if event.from_id not in blocked_user_ids:
-        return
-
-    peer = await borg.get_input_entity(event.chat_id)
-    if isinstance(peer, InputPeerChannel):
-        o = tlf.channels.ReadMessageContentsRequest(peer, [event.message.id])
-    else:
-        o = tlf.messages.ReadMessageContentsRequest([event.message.id])
-    await borg(o)
-
-
-@borg.on(events.Raw(types=UpdateUserBlocked))
-async def on_blocked(event):
-    if event.blocked:
-        blocked_user_ids.add(event.user_id)
-    else:
-        blocked_user_ids.discard(event.user_id)
-
-
-async def fetch_blocked_users():
-    global blocked_user_ids
-    while 1:
-        offset = 0
-        blocked_ids = set()
-        while 1:
-            blocked = await borg(GetBlockedRequest(offset=offset, limit=100))
-            offset += 100
-            for contact in blocked.blocked:
-                blocked_ids.add(contact.user_id)
-            if not blocked.blocked:
-                break
-        blocked_user_ids = blocked_ids
-        await asyncio.sleep(REFETCH_TIME)
-
-
-asyncio.ensure_future(fetch_blocked_users())