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emit warning if command starts with command prefix

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This commit is contained in:
alex 2019-11-05 19:12:13 +03:00
parent 9d94ac62c9
commit 927fec5829
1 changed files with 14 additions and 0 deletions
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14
aiogram/dispatcher/filters/builtin.py
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@ -4,6 +4,7 @@ import typing
from contextvars import ContextVar
from dataclasses import dataclass, field
from typing import Any, Dict, Iterable, Optional, Union
from warnings import warn
from babel.support import LazyProxy
@ -50,6 +51,19 @@ class Command(Filter):
self.prefixes = prefixes
self.ignore_case = ignore_case
self.ignore_mention = ignore_mention
for command in self.commands:
if not isinstance(self.prefixes, str):
for prefix in self.prefixes:
if command.startswith(prefix):
warn(
f'command "{command}" starts with command prefix "{prefix}", so handler will trigger '
f'only on "{prefix + command}" command. Remove leading command prefix to avoid this '
f'behavior.', UserWarning)
else:
if command.startswith(self.prefixes):
warn(f'command "{command}" starts with command prefix "{self.prefixes}", so handler will trigger '
f'only on "{self.prefixes + command}" command. Remove leading command prefix to avoid this '
f'behavior.', UserWarning)
@classmethod
def validate(cls, full_config: Dict[str, Any]) -> Optional[Dict[str, Any]]: