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from typing import Optional, List
from telegram import Update, ParseMode, User, CallbackQuery
from telegram.ext import CallbackContext
from ._botdb import BotDatabase
from ._botlang import lang
from ._botutil import IgnoreMarkup, exc2text
class Context:
_update: Optional[Update]
_callback_context: Optional[CallbackContext]
_markup_getter: callable
db: Optional[BotDatabase]
_user_lang: Optional[str]
def __init__(self,
update: Optional[Update],
callback_context: Optional[CallbackContext],
markup_getter: callable,
store: Optional[BotDatabase]):
self._update = update
self._callback_context = callback_context
self._markup_getter = markup_getter
self._store = store
self._user_lang = None
def reply(self, text, markup=None):
if markup is None:
markup = self._markup_getter(self)
kwargs = dict(parse_mode=ParseMode.HTML)
if not isinstance(markup, IgnoreMarkup):
kwargs['reply_markup'] = markup
return self._update.message.reply_text(text, **kwargs)
def reply_exc(self, e: Exception) -> None:
self.reply(exc2text(e), markup=IgnoreMarkup())
def answer(self, text: str = None):
self.callback_query.answer(text)
def edit(self, text, markup=None):
kwargs = dict(parse_mode=ParseMode.HTML)
if not isinstance(markup, IgnoreMarkup):
kwargs['reply_markup'] = markup
self.callback_query.edit_message_text(text, **kwargs)
@property
def text(self) -> str:
return self._update.message.text
@property
def callback_query(self) -> CallbackQuery:
return self._update.callback_query
@property
def args(self) -> Optional[List[str]]:
return self._callback_context.args
@property
def user_id(self) -> int:
return self.user.id
@property
def user_data(self):
return self._callback_context.user_data
@property
def user(self) -> User:
return self._update.effective_user
@property
def user_lang(self) -> str:
if self._user_lang is None:
self._user_lang = self._store.get_user_lang(self.user_id)
return self._user_lang
def lang(self, key: str, *args) -> str:
return lang.get(key, self.user_lang, *args)
def is_callback_context(self) -> bool:
return self._update.callback_query \
and self._update.callback_query.data \
and self._update.callback_query.data != ''
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