Add ButtonStyle enum to represent button styles in the Telegram API

.butcher/enums/ButtonStyle.yml

@@ -0,0 +1,9 @@
+name: ButtonStyle
+description: |
+  This object represents a button style (inline- or reply-keyboard).
+
+  Source: https://core.telegram.org/bots/api#chat
+parse:
+  entity: InlineKeyboardButton
+  attribute: style
+  regexp: "'([a-z]+)'"

aiogram/enums/__init__.py

@@ -1,4 +1,5 @@
 from .bot_command_scope_type import BotCommandScopeType
+from .button_style import ButtonStyle
 from .chat_action import ChatAction
 from .chat_boost_source_type import ChatBoostSourceType
 from .chat_member_status import ChatMemberStatus
@@ -36,6 +37,7 @@ from .update_type import UpdateType
 
 __all__ = (
     "BotCommandScopeType",
+    "ButtonStyle",
     "ChatAction",
     "ChatBoostSourceType",
     "ChatMemberStatus",

aiogram/enums/button_style.py

@@ -0,0 +1,13 @@
+from enum import Enum
+
+
+class ButtonStyle(str, Enum):
+    """
+    This object represents a button style (inline- or reply-keyboard).
+
+    Source: https://core.telegram.org/bots/api#chat
+    """
+
+    DANGER = "danger"
+    SUCCESS = "success"
+    PRIMARY = "primary"

docs/api/enums/button_style.rst

@@ -0,0 +1,9 @@
+###########
+ButtonStyle
+###########
+
+
+.. automodule:: aiogram.enums.button_style
+    :members:
+    :member-order: bysource
+    :undoc-members: True

docs/api/enums/index.rst

@@ -11,6 +11,7 @@ Here is list of all available enums:
     :maxdepth: 1
 
     bot_command_scope_type
+    button_style
     chat_action
     chat_boost_source_type
     chat_member_status