forked from uniborg/uniborg
109 lines
3.5 KiB
Python
109 lines
3.5 KiB
Python
# This Source Code Form is subject to the terms of the Mozilla Public
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# License, v. 2.0. If a copy of the MPL was not distributed with this
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# file, You can obtain one at http://mozilla.org/MPL/2.0/.
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from telethon import events
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from telethon.utils import add_surrogate
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from telethon.tl.types import MessageEntityPre, DocumentAttributeFilename
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from telethon.tl.tlobject import TLObject
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from telethon.errors import MessageTooLongError
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import datetime
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def parse_pre(text):
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text = text.strip()
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return (
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text,
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[MessageEntityPre(offset=0, length=len(add_surrogate(text)), language='')]
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)
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def yaml_format(obj, indent=0, max_str_len=256, max_byte_len=64):
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"""
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Pretty formats the given object as a YAML string which is returned.
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(based on TLObject.pretty_format)
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"""
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result = []
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if isinstance(obj, TLObject):
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obj = obj.to_dict()
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if isinstance(obj, dict):
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if not obj:
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return 'dict:'
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result.append(obj.get('_', 'dict') + ':')
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items = obj.items()
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has_multiple_items = len(items) > 2
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if has_multiple_items:
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result.append('\n')
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indent += 2
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for k, v in items:
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if k == '_' or v is None:
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continue
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formatted = yaml_format(v, indent)
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if not formatted.strip():
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continue
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result.append(' ' * (indent if has_multiple_items else 1))
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result.append(f'{k}:')
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if not formatted[0].isspace():
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result.append(' ')
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result.append(f'{formatted}')
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result.append('\n')
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result.pop()
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if has_multiple_items:
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indent -= 2
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elif isinstance(obj, str):
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# truncate long strings and display elipsis
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result = repr(obj[:max_str_len])
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if len(obj) > max_str_len:
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result += '…'
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return result
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elif isinstance(obj, bytes):
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# repr() bytes if it's printable, hex like "FF EE BB" otherwise
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if all(0x20 <= c < 0x7f for c in obj):
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return repr(obj)
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else:
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return ('<…>' if len(obj) > max_byte_len else
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' '.join(f'{b:02X}' for b in obj))
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elif isinstance(obj, datetime.datetime):
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# ISO-8601 without timezone offset (telethon dates are always UTC)
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return obj.strftime('%Y-%m-%d %H:%M:%S')
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elif hasattr(obj, '__iter__'):
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# display iterables one after another at the base indentation level
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result.append('\n')
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indent += 2
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for x in obj:
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result.append(f"{' ' * indent}- {yaml_format(x, indent + 2)}")
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result.append('\n')
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result.pop()
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indent -= 2
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else:
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return repr(obj)
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return ''.join(result)
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@borg.on(events.NewMessage(pattern=r"\.info", outgoing=True))
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async def _(event):
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if not event.message.is_reply:
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return
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msg = await event.message.get_reply_message()
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yaml_text = yaml_format(msg)
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try:
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await event.edit(yaml_text, parse_mode=parse_pre)
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except MessageTooLongError:
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await event.delete()
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yaml_text = yaml_format(
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msg,
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max_str_len=9999,
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max_byte_len=9999
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)
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await borg.send_file(
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await event.get_input_chat(),
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f'<pre>{yaml_text}</pre>'.encode('utf-8'),
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reply_to=msg,
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attributes=[
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DocumentAttributeFilename('info.html')
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],
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allow_cache=False
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)
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