Compliance with bot API 8.02

Also, closed sessions are now removed from Bot.sessions

.gitignore

@@ -41,6 +41,7 @@ __pycache__/
 # Distribution / packaging
 .Python
 env/
+.venv/
 build/
 develop-eggs/
 dist/

davtelepot/__init__.py

@@ -11,7 +11,7 @@ __author__ = "Davide Testa"
 __email__ = "davide@davte.it"
 __credits__ = ["Marco Origlia", "Nick Lee @Nickoala"]
 __license__ = "GNU General Public License v3.0"
-__version__ = "2.9.11"
+__version__ = "2.10.9"
 __maintainer__ = "Davide Testa"
 __contact__ = "t.me/davte"
 

davtelepot/administration_tools.py

@@ -13,10 +13,12 @@ import asyncio
 import datetime
 import json
 import logging
+import platform
 import re
 import types
 
 from collections import OrderedDict
+from importlib.metadata import version as get_package_version_from_metadata
 from typing import Union, List, Tuple
 
 # Third party modules
@@ -27,8 +29,8 @@ from davtelepot.messages import default_admin_messages, default_talk_messages
 from davtelepot.bot import Bot
 from davtelepot.utilities import (
     async_wrapper, CachedPage, Confirmator, extract, get_cleaned_text,
-    get_user, clean_html_string, line_drawing_unordered_list, make_button,
-    make_inline_keyboard, remove_html_tags, send_part_of_text_file,
+    get_secure_key, get_user, clean_html_string, line_drawing_unordered_list,
+    make_button, make_inline_keyboard, remove_html_tags, send_part_of_text_file,
     send_csv_file, make_lines_of_buttons, join_path
 )
 
@@ -43,6 +45,13 @@ variable_regex = re.compile(r"(?P<name>[a-zA-Z]\w*)\s*=\s*"
                             r"\"[^\"]*\")")
 
 
+def get_package_version(package: types.ModuleType):
+    """Get version of given package."""
+    if hasattr(package, '__version__'):
+        return package.__version__
+    return get_package_version_from_metadata(package.__name__)
+
+
 async def _forward_to(update,
                       bot: Bot,
                       sender,
@@ -223,9 +232,9 @@ def get_talk_panel(bot: Bot,
     return text, reply_markup
 
 
-async def _talk_command(bot: Bot,
-                        update,
-                        user_record):
+async def talk_command(bot: Bot,
+                       update,
+                       user_record):
     text = get_cleaned_text(
         update,
         bot,
@@ -343,17 +352,17 @@ async def end_session(bot: Bot,
     return
 
 
-async def _talk_button(bot: Bot,
-                       update,
-                       user_record,
-                       data):
+async def talk_button(bot: Bot,
+                      update,
+                      user_record,
+                      data):
     telegram_id = user_record['telegram_id']
     command, *arguments = data
     result, text, reply_markup = '', '', None
     if command == 'search':
         bot.set_individual_text_message_handler(
             await async_wrapper(
-                _talk_command,
+                talk_command,
             ),
             update
         )
@@ -426,7 +435,7 @@ async def _talk_button(bot: Bot,
     return result
 
 
-async def _restart_command(bot: Bot,
+async def restart_command(bot: Bot,
                            update,
                            user_record):
     with bot.db as db:
@@ -453,7 +462,7 @@ async def _restart_command(bot: Bot,
     return
 
 
-async def _stop_command(bot: Bot,
+async def stop_command(bot: Bot,
                         update,
                         user_record):
     text = bot.get_message(
@@ -495,10 +504,10 @@ async def stop_bots(bot: Bot):
     return
 
 
-async def _stop_button(bot: Bot,
-                       update,
-                       user_record,
-                       data: List[Union[int, str]]):
+async def stop_button(bot: Bot,
+                      update,
+                      user_record,
+                      data: List[Union[int, str]]):
     result, text, reply_markup = '', '', None
     telegram_id = user_record['telegram_id']
     command = data[0] if len(data) > 0 else 'None'
@@ -535,7 +544,7 @@ async def _stop_button(bot: Bot,
     return result
 
 
-async def _send_bot_database(bot: Bot, user_record: OrderedDict, language: str):
+async def send_bot_database(bot: Bot, user_record: OrderedDict, language: str):
     if not all(
             [
                 bot.db_url.endswith('.db'),
@@ -562,7 +571,7 @@ async def _send_bot_database(bot: Bot, user_record: OrderedDict, language: str):
     )
 
 
-async def _query_command(bot, update, user_record):
+async def query_command(bot, update, user_record):
     query = get_cleaned_text(
         update,
         bot,
@@ -640,7 +649,7 @@ async def _query_command(bot, update, user_record):
     )
 
 
-async def _query_button(bot, update, user_record, data):
+async def query_button(bot, update, user_record, data):
     result, text, reply_markup = '', '', None
     command = data[0] if len(data) else 'default'
     error_message = bot.get_message(
@@ -677,7 +686,7 @@ async def _query_button(bot, update, user_record, data):
     return result
 
 
-async def _log_command(bot, update, user_record):
+async def log_command(bot, update, user_record):
     if bot.log_file_path is None:
         return bot.get_message(
             'admin', 'log_command', 'no_log',
@@ -730,7 +739,7 @@ async def _log_command(bot, update, user_record):
     return
 
 
-async def _errors_command(bot, update, user_record):
+async def errors_command(bot, update, user_record):
     # Always send errors log file in private chat
     chat_id = update['from']['id']
     if bot.errors_file_path is None:
@@ -774,7 +783,7 @@ async def _errors_command(bot, update, user_record):
     return
 
 
-async def _maintenance_command(bot, update, user_record):
+async def maintenance_command(bot, update, user_record):
     maintenance_message = get_cleaned_text(update, bot, ['maintenance'])
     if maintenance_message.startswith('{'):
         maintenance_message = json.loads(maintenance_message)
@@ -864,7 +873,12 @@ async def get_new_versions(bot: Bot,
                           "skipping...")
             continue
         new_version = web_page['info']['version']
-        current_version = package.__version__
+        try:
+            current_version = get_package_version(package)
+        except TypeError:
+            current_version = "NA"
+            logging.error("Could not get current version of "
+                          "package %s", package.__name__)
         notification_record = bot.db['updates_notifications'].find_one(
             package=package.__name__,
             order_by=['-id'],
@@ -883,17 +897,18 @@ async def get_new_versions(bot: Bot,
     return news
 
 
-async def _version_command(bot: Bot, update: dict,
-                           user_record: OrderedDict, language: str):
+async def version_command(bot: Bot, update: dict,
+                          user_record: OrderedDict, language: str):
     last_commit = await get_last_commit()
     text = bot.get_message(
         'admin', 'version_command', 'header',
         last_commit=last_commit,
         update=update, user_record=user_record
     ) + '\n\n'
+    text += f'<b>Python: </b> <code>{platform.python_version()}</code>\n'
     text += '\n'.join(
         f"<b>{package.__name__}</b>: "
-        f"<code>{package.__version__}</code>"
+        f"<code>{get_package_version(package)}</code>"
         for package in bot.packages
     )
     temporary_message = await bot.send_message(
@@ -937,7 +952,7 @@ async def notify_new_version(bot: Bot):
         order_by=['-id']
     )
     current_versions = {
-        f"{package.__name__}_version": package.__version__
+        f"{package.__name__}_version": get_package_version(package)
         for package in bot.packages
     }
     current_versions['last_commit'] = last_commit
@@ -1032,7 +1047,7 @@ async def get_package_updates(bot: Bot,
         await asyncio.sleep(monitoring_interval)
 
 
-async def _send_start_messages(bot: Bot):
+async def send_start_messages(bot: Bot):
     """Send restart messages at restart."""
     for restart_message in bot.db['restart_messages'].find(sent=None):
         asyncio.ensure_future(
@@ -1060,7 +1075,7 @@ async def _send_start_messages(bot: Bot):
     return
 
 
-async def _load_talking_sessions(bot: Bot):
+async def load_talking_sessions(bot: Bot):
     sessions = []
     for session in bot.db.query(
             """SELECT *
@@ -1139,7 +1154,7 @@ def get_custom_commands(bot: Bot, language: str = None) -> List[dict]:
     )
 
 
-async def _father_command(bot, language):
+async def father_command(bot, language):
     modes = [
         {
             key: (
@@ -1443,12 +1458,12 @@ async def edit_bot_father_settings_via_message(bot: Bot,
     return result, text, reply_markup
 
 
-async def _father_button(bot: Bot, user_record: OrderedDict,
+async def father_button(bot: Bot, user_record: OrderedDict,
                          language: str, data: list):
     """Handle BotFather button.
 
     Operational modes
-    - main: back to main page (see _father_command)
+    - main: back to main page (see `father_command`)
     - get: show commands stored by @BotFather
     - set: edit commands stored by @BotFather
     """
@@ -1542,7 +1557,7 @@ async def _father_button(bot: Bot, user_record: OrderedDict,
     elif command == 'main':
         return dict(
             text='',
-            edit=(await _father_command(bot=bot, language=language))
+            edit=(await father_command(bot=bot, language=language))
         )
     elif command == 'set':
         stored_commands = await bot.getMyCommands()
@@ -1810,8 +1825,8 @@ async def _father_button(bot: Bot, user_record: OrderedDict,
     return result
 
 
-async def _config_command(bot: Bot, update: dict,
-                          user_record: dict, language: str):
+async def config_command(bot: Bot, update: dict,
+                         user_record: dict, language: str):
     text = get_cleaned_text(
         update,
         bot,
@@ -1844,6 +1859,52 @@ async def _config_command(bot: Bot, update: dict,
                            language=language)
 
 
+async def become_administrator(bot: Bot, update: dict,
+                               user_record: dict, language: str):
+    """When the bot has no administrator, become one providing a token.
+    
+    The token will be printed to the stdout on the machine running the bot.
+    """
+    if len(bot.administrators) > 0:
+        return
+    def _get_message(*args):
+        return bot.get_message('admin', 'become_admin', *args,
+                               update=update, user_record=user_record,
+                               language=language)
+    token = get_cleaned_text(update=update, bot=bot,
+                             replace=['become_administrator',
+                                      '00become_administrator'],
+                             strip='/ @_')
+    if token != bot.administration_token:
+        return _get_message('wrong_token')
+    with bot.db as db:
+        db['users'].update({**user_record, 'privileges': 1},
+                           ['id'])
+    return _get_message('success')
+
+
+async def create_promotion_command(bot: Bot):
+    """If bot has no administrators, users can elevate themselves.
+    
+    To do so, they need to provide a token, that will be printed to the stdout
+        of the machine running the bot.
+    """
+    await bot.get_me()
+    if len(bot.administrators) > 0:
+        return
+    bot.administration_token = get_secure_key(length=10)
+    print(f"To become administrator click "
+            f"https://t.me/{bot.name}?start="
+            f"00become_administrator_{bot.administration_token}")
+    @bot.command(command='become_administrator',
+                 authorization_level='everybody',
+                 aliases=['00become_administrator'])
+    async def _become_administrator(bot, update, user_record, language):
+        return await become_administrator(bot=bot, update=update,
+                                            user_record=user_record,
+                                            language=language)
+
+
 def init(telegram_bot: Bot,
          talk_messages: dict = None,
          admin_messages: dict = None,
@@ -1907,16 +1968,16 @@ def init(telegram_bot: Bot,
 
     # Tasks to complete before starting bot
     @telegram_bot.additional_task(when='BEFORE')
-    async def load_talking_sessions():
-        return await _load_talking_sessions(bot=telegram_bot)
+    async def _load_talking_sessions():
+        return await load_talking_sessions(bot=telegram_bot)
 
     @telegram_bot.additional_task(when='BEFORE', bot=telegram_bot)
     async def notify_version(bot):
         return await notify_new_version(bot=bot)
 
     @telegram_bot.additional_task('BEFORE')
-    async def send_restart_messages():
-        return await _send_start_messages(bot=telegram_bot)
+    async def _send_start_messages():
+        return await send_start_messages(bot=telegram_bot)
 
     # Administration commands
     @telegram_bot.command(command='/db',
@@ -1925,10 +1986,10 @@ def init(telegram_bot: Bot,
                           description=admin_messages[
                               'db_command']['description'],
                           authorization_level='admin')
-    async def send_bot_database(bot, user_record, language):
-        return await _send_bot_database(bot=bot,
-                                        user_record=user_record,
-                                        language=language)
+    async def _send_bot_database(bot, user_record, language):
+        return await send_bot_database(bot=bot,
+                                       user_record=user_record,
+                                       language=language)
 
     @telegram_bot.command(command='/errors',
                           aliases=[],
@@ -1936,8 +1997,8 @@ def init(telegram_bot: Bot,
                           description=admin_messages[
                               'errors_command']['description'],
                           authorization_level='admin')
-    async def errors_command(bot, update, user_record):
-        return await _errors_command(bot, update, user_record)
+    async def _errors_command(bot, update, user_record):
+        return await errors_command(bot, update, user_record)
 
     @telegram_bot.command(command='/father',
                           aliases=[],
@@ -1948,14 +2009,14 @@ def init(telegram_bot: Bot,
                               if key in ('description', )
                           },
                           authorization_level='admin')
-    async def father_command(bot, language):
-        return await _father_command(bot=bot, language=language)
+    async def _father_command(bot, language):
+        return await father_command(bot=bot, language=language)
 
     @telegram_bot.button(prefix='father:///',
                          separator='|',
                          authorization_level='admin')
-    async def query_button(bot, user_record, language, data):
-        return await _father_button(bot=bot,
+    async def _father_button(bot, user_record, language, data):
+        return await father_button(bot=bot,
                                     user_record=user_record,
                                     language=language,
                                     data=data)
@@ -1966,16 +2027,16 @@ def init(telegram_bot: Bot,
                           description=admin_messages[
                               'log_command']['description'],
                           authorization_level='admin')
-    async def log_command(bot, update, user_record):
-        return await _log_command(bot, update, user_record)
+    async def _log_command(bot, update, user_record):
+        return await log_command(bot, update, user_record)
 
     @telegram_bot.command(command='/maintenance', aliases=[],
                           show_in_keyboard=False,
                           description=admin_messages[
                               'maintenance_command']['description'],
                           authorization_level='admin')
-    async def maintenance_command(bot, update, user_record):
-        return await _maintenance_command(bot, update, user_record)
+    async def _maintenance_command(bot, update, user_record):
+        return await maintenance_command(bot, update, user_record)
 
     @telegram_bot.command(command='/query',
                           aliases=[],
@@ -1983,16 +2044,16 @@ def init(telegram_bot: Bot,
                           description=admin_messages[
                               'query_command']['description'],
                           authorization_level='admin')
-    async def query_command(bot, update, user_record):
-        return await _query_command(bot, update, user_record)
+    async def _query_command(bot, update, user_record):
+        return await query_command(bot, update, user_record)
 
     @telegram_bot.button(prefix='db_query:///',
                          separator='|',
                          description=admin_messages[
                              'query_command']['description'],
                          authorization_level='admin')
-    async def query_button(bot, update, user_record, data):
-        return await _query_button(bot, update, user_record, data)
+    async def _query_button(bot, update, user_record, data):
+        return await query_button(bot, update, user_record, data)
 
     @telegram_bot.command(command='/restart',
                           aliases=[],
@@ -2000,8 +2061,8 @@ def init(telegram_bot: Bot,
                           description=admin_messages[
                               'restart_command']['description'],
                           authorization_level='admin')
-    async def restart_command(bot, update, user_record):
-        return await _restart_command(bot, update, user_record)
+    async def _restart_command(bot, update, user_record):
+        return await restart_command(bot, update, user_record)
 
     @telegram_bot.command(command='/select',
                           aliases=[],
@@ -2009,8 +2070,8 @@ def init(telegram_bot: Bot,
                           description=admin_messages[
                               'select_command']['description'],
                           authorization_level='admin')
-    async def select_command(bot, update, user_record):
-        return await _query_command(bot, update, user_record)
+    async def _select_command(bot, update, user_record):
+        return await query_command(bot, update, user_record)
 
     @telegram_bot.command(command='/stop',
                           aliases=[],
@@ -2018,16 +2079,16 @@ def init(telegram_bot: Bot,
                           description=admin_messages[
                               'stop_command']['description'],
                           authorization_level='admin')
-    async def stop_command(bot, update, user_record):
-        return await _stop_command(bot, update, user_record)
+    async def _stop_command(bot, update, user_record):
+        return await stop_command(bot, update, user_record)
 
     @telegram_bot.button(prefix='stop:///',
                          separator='|',
                          description=admin_messages[
                              'stop_command']['description'],
                          authorization_level='admin')
-    async def stop_button(bot, update, user_record, data):
-        return await _stop_button(bot, update, user_record, data)
+    async def _stop_button(bot, update, user_record, data):
+        return await stop_button(bot, update, user_record, data)
 
     @telegram_bot.command(command='/talk',
                           aliases=[],
@@ -2035,14 +2096,14 @@ def init(telegram_bot: Bot,
                           description=admin_messages[
                               'talk_command']['description'],
                           authorization_level='admin')
-    async def talk_command(bot, update, user_record):
-        return await _talk_command(bot, update, user_record)
+    async def _talk_command(bot, update, user_record):
+        return await talk_command(bot, update, user_record)
 
     @telegram_bot.button(prefix='talk:///',
                          separator='|',
                          authorization_level='admin')
-    async def talk_button(bot, update, user_record, data):
-        return await _talk_button(bot, update, user_record, data)
+    async def _talk_button(bot, update, user_record, data):
+        return await talk_button(bot, update, user_record, data)
 
     @telegram_bot.command(command='/version',
                           aliases=[],
@@ -2053,11 +2114,11 @@ def init(telegram_bot: Bot,
                              },
                           show_in_keyboard=False,
                           authorization_level='admin')
-    async def version_command(bot, update, user_record, language):
-        return await _version_command(bot=bot,
-                                      update=update,
-                                      user_record=user_record,
-                                      language=language)
+    async def _version_command(bot, update, user_record, language):
+        return await version_command(bot=bot,
+                                     update=update,
+                                     user_record=user_record,
+                                     language=language)
 
     @telegram_bot.command(command='/config',
                           aliases=[],
@@ -2068,8 +2129,9 @@ def init(telegram_bot: Bot,
                              },
                           show_in_keyboard=False,
                           authorization_level='admin')
-    async def config_command(bot, update, user_record, language):
-        return await _config_command(bot=bot,
-                                     update=update,
-                                     user_record=user_record,
-                                     language=language)
+    async def _config_command(bot, update, user_record, language):
+        return await config_command(bot=bot,
+                                    update=update,
+                                    user_record=user_record,
+                                    language=language)
+    asyncio.ensure_future(create_promotion_command(bot=telegram_bot))

davtelepot/bot.py

@@ -2,34 +2,6 @@
 
 camelCase methods mirror API directly, while snake_case ones act as middleware
     someway.
-
-Usage
-    ```
-    import sys
-
-    from davtelepot.bot import Bot
-
-    from data.passwords import my_token, my_other_token
-
-    long_polling_bot = Bot(token=my_token, database_url='my_db')
-    webhook_bot = Bot(token=my_other_token, hostname='example.com',
-                      certificate='path/to/certificate.pem',
-                      database_url='my_other_db')
-
-    @long_polling_bot.command('/foo')
-    async def foo_command(bot, update, user_record, language):
-        return "Bar!"
-
-    @webhook_bot.command('/bar')
-    async def bar_command(bot, update, user_record, language):
-        return "Foo!"
-
-    exit_state = Bot.run(
-        local_host='127.0.0.5',
-        port=8552
-    )
-    sys.exit(exit_state)
-    ```
 """
 
 # Standard library modules
@@ -49,7 +21,9 @@ from typing import Callable, List, Union, Dict
 import aiohttp.web
 
 # Project modules
-from davtelepot.api import TelegramBot, TelegramError
+from davtelepot.api import (
+    LinkPreviewOptions, ReplyParameters, TelegramBot, TelegramError
+)
 from davtelepot.database import ObjectWithDatabase
 from davtelepot.languages import MultiLanguageObject
 from davtelepot.messages import davtelepot_messages
@@ -148,12 +122,47 @@ class Bot(TelegramBot, ObjectWithDatabase, MultiLanguageObject):
             'edited_message': self.edited_message_handler,
             'channel_post': self.channel_post_handler,
             'edited_channel_post': self.edited_channel_post_handler,
+            'business_connection': self.get_update_handler(
+                update_type='business_connection'
+            ),
+            'business_message': self.get_update_handler(
+                update_type='business_message'
+            ),
+            'edited_business_message': self.get_update_handler(
+                update_type='edited_business_message'
+            ),
+            'deleted_business_messages': self.get_update_handler(
+                update_type='deleted_business_messages'
+            ),
+            'message_reaction': self.get_update_handler(
+                update_type='message_reaction'
+            ),
+            'message_reaction_count': self.get_update_handler(
+                update_type='message_reaction_count'
+            ),
             'inline_query': self.inline_query_handler,
             'chosen_inline_result': self.chosen_inline_result_handler,
             'callback_query': self.callback_query_handler,
             'shipping_query': self.shipping_query_handler,
             'pre_checkout_query': self.pre_checkout_query_handler,
+            'purchased_paid_media': self.get_update_handler(
+                update_type='purchased_paid_media'
+            ),
             'poll': self.poll_handler,
+            'poll_answer': self.get_update_handler(
+                update_type='poll_answer'
+            ),
+            'my_chat_member': self.get_update_handler(
+                update_type='my_chat_member'
+            ),
+            'chat_member': self.get_update_handler( update_type='chat_member' ),
+            'chat_join_request': self.get_update_handler(
+                update_type='chat_join_request'
+            ),
+            'chat_boost': self.get_update_handler( update_type='chat_boost' ),
+            'removed_chat_boost': self.get_update_handler(
+                update_type='removed_chat_boost'
+            ),
         }
         # Different message update types need different handlers
         self.message_handlers = {
@@ -247,6 +256,8 @@ class Bot(TelegramBot, ObjectWithDatabase, MultiLanguageObject):
         self.Role = None
         self.packages = [sys.modules['davtelepot']]
         self._documents_max_dimension = None
+        self._getting_me = False
+        self._got_me = False
         # Add `users` table with its fields if missing
         if 'users' not in self.db.tables:
             table = self.db.create_table(
@@ -706,6 +717,18 @@ class Bot(TelegramBot, ObjectWithDatabase, MultiLanguageObject):
         )
         return
 
+    def get_update_handler(self, update_type: str):
+        """Get update handler for `update_type`."""
+        bot = self
+        async def handler(update, user_record, language=None):
+            """Handle update message of type `update_type`"""
+            logging.info(
+                "The following update was received: %s\n"
+                "However, this `%s` handler does nothing yet.",
+                update, update_type
+            )
+        return handler
+
     async def edited_channel_post_handler(self, update, user_record, language=None):
         """Handle Telegram `edited_channel_post` update."""
         logging.info(
@@ -1319,19 +1342,21 @@ class Bot(TelegramBot, ObjectWithDatabase, MultiLanguageObject):
 
     async def send_message(self, chat_id: Union[int, str] = None,
                            text: str = None,
+                           message_thread_id: int = None,
                            entities: List[dict] = None,
                            parse_mode: str = 'HTML',
-                           message_thread_id: int = None,
+                           link_preview_options: LinkPreviewOptions = None,
+                           disable_notification: bool = None,
                            protect_content: bool = None,
                            disable_web_page_preview: bool = None,
-                           disable_notification: bool = None,
                            reply_to_message_id: int = None,
                            allow_sending_without_reply: bool = None,
-                           reply_markup=None,
                            update: dict = None,
                            reply_to_update: bool = False,
                            send_default_keyboard: bool = True,
-                           user_record: OrderedDict = None):
+                           user_record: OrderedDict = None,
+                           reply_parameters: ReplyParameters = None,
+                           reply_markup=None):
         """Send text via message(s).
 
         This method wraps lower-level `TelegramBot.sendMessage` method.
@@ -1352,6 +1377,10 @@ class Bot(TelegramBot, ObjectWithDatabase, MultiLanguageObject):
             user_record = self.db['users'].find_one(telegram_id=chat_id)
         if reply_to_update and 'message_id' in update:
             reply_to_message_id = update['message_id']
+        if disable_web_page_preview:
+            if link_preview_options is None:
+                link_preview_options = LinkPreviewOptions()
+            link_preview_options['is_disabled'] = True
         if (
             send_default_keyboard
             and reply_markup is None
@@ -1395,19 +1424,27 @@ class Bot(TelegramBot, ObjectWithDatabase, MultiLanguageObject):
             limit=self.__class__.TELEGRAM_MESSAGES_MAX_LEN - 100,
             parse_mode=parse_mode
         )
+        if reply_to_message_id:
+            if reply_parameters is None:
+                reply_parameters = ReplyParameters(message_id=reply_to_message_id)
+            reply_parameters['message_id'] = reply_to_message_id
+            if allow_sending_without_reply:
+                reply_parameters['allow_sending_without_reply'] = allow_sending_without_reply
+            if reply_to_update and 'chat' in update and 'id' in update['chat']:
+                if update['chat']['id'] != chat_id:
+                    reply_parameters['chat_id'] = update['chat']['id']
         for text_chunk, is_last in text_chunks:
             _reply_markup = (reply_markup if is_last else None)
             sent_message_update = await self.sendMessage(
                 chat_id=chat_id,
                 text=text_chunk,
+                message_thread_id=message_thread_id,
                 parse_mode=parse_mode,
                 entities=entities,
-                message_thread_id=message_thread_id,
-                protect_content=protect_content,
-                disable_web_page_preview=disable_web_page_preview,
+                link_preview_options=link_preview_options,
                 disable_notification=disable_notification,
-                reply_to_message_id=reply_to_message_id,
-                allow_sending_without_reply=allow_sending_without_reply,
+                protect_content=protect_content,
+                reply_parameters=reply_parameters,
                 reply_markup=_reply_markup
             )
         return sent_message_update
@@ -1431,6 +1468,7 @@ class Bot(TelegramBot, ObjectWithDatabase, MultiLanguageObject):
                                 parse_mode: str = 'HTML',
                                 entities: List[dict] = None,
                                 disable_web_page_preview: bool = None,
+                                link_preview_options: LinkPreviewOptions = None,
                                 allow_sending_without_reply: bool = None,
                                 reply_markup=None,
                                 update: dict = None):
@@ -1463,6 +1501,10 @@ class Bot(TelegramBot, ObjectWithDatabase, MultiLanguageObject):
             )
         ):
             if i == 0:
+                if disable_web_page_preview:
+                    if link_preview_options is None:
+                        link_preview_options = LinkPreviewOptions()
+                    link_preview_options['is_disabled'] = True
                 edited_message = await self.editMessageText(
                     text=text_chunk,
                     chat_id=chat_id,
@@ -1470,7 +1512,7 @@ class Bot(TelegramBot, ObjectWithDatabase, MultiLanguageObject):
                     inline_message_id=inline_message_id,
                     parse_mode=parse_mode,
                     entities=entities,
-                    disable_web_page_preview=disable_web_page_preview,
+                    link_preview_options=link_preview_options,
                     reply_markup=(reply_markup if is_last else None)
                 )
                 if chat_id is None:
@@ -1576,6 +1618,7 @@ class Bot(TelegramBot, ObjectWithDatabase, MultiLanguageObject):
                          reply_markup=None,
                          update: dict = None,
                          reply_to_update: bool = False,
+                         reply_parameters: ReplyParameters = None,
                          send_default_keyboard: bool = True,
                          use_stored_file_id: bool = True):
         """Send photos.
@@ -1599,6 +1642,15 @@ class Bot(TelegramBot, ObjectWithDatabase, MultiLanguageObject):
             chat_id = self.get_chat_id(update)
         if reply_to_update and 'message_id' in update:
             reply_to_message_id = update['message_id']
+        if reply_to_message_id:
+            if reply_parameters is None:
+                reply_parameters = ReplyParameters(message_id=reply_to_message_id)
+            reply_parameters['message_id'] = reply_to_message_id
+            if allow_sending_without_reply:
+                reply_parameters['allow_sending_without_reply'] = allow_sending_without_reply
+            if reply_to_update and 'chat' in update and 'id' in update['chat']:
+                if update['chat']['id'] != chat_id:
+                    reply_parameters['chat_id'] = update['chat']['id']
         if (
             send_default_keyboard
             and reply_markup is None
@@ -1652,8 +1704,7 @@ class Bot(TelegramBot, ObjectWithDatabase, MultiLanguageObject):
                 parse_mode=parse_mode,
                 caption_entities=caption_entities,
                 disable_notification=disable_notification,
-                reply_to_message_id=reply_to_message_id,
-                allow_sending_without_reply=allow_sending_without_reply,
+                reply_parameters=reply_parameters,
                 reply_markup=reply_markup
             )
             if isinstance(sent_update, Exception):
@@ -1701,6 +1752,7 @@ class Bot(TelegramBot, ObjectWithDatabase, MultiLanguageObject):
                          reply_markup=None,
                          update: dict = None,
                          reply_to_update: bool = False,
+                         reply_parameters: ReplyParameters = None,
                          send_default_keyboard: bool = True,
                          use_stored_file_id: bool = True):
         """Send audio files.
@@ -1724,6 +1776,15 @@ class Bot(TelegramBot, ObjectWithDatabase, MultiLanguageObject):
             chat_id = self.get_chat_id(update)
         if reply_to_update and 'message_id' in update:
             reply_to_message_id = update['message_id']
+        if reply_to_message_id:
+            if reply_parameters is None:
+                reply_parameters = ReplyParameters(message_id=reply_to_message_id)
+            reply_parameters['message_id'] = reply_to_message_id
+            if allow_sending_without_reply:
+                reply_parameters['allow_sending_without_reply'] = allow_sending_without_reply
+            if reply_to_update and 'chat' in update and 'id' in update['chat']:
+                if update['chat']['id'] != chat_id:
+                    reply_parameters['chat_id'] = update['chat']['id']
         if (
             send_default_keyboard
             and reply_markup is None
@@ -1781,8 +1842,7 @@ class Bot(TelegramBot, ObjectWithDatabase, MultiLanguageObject):
                 title=title,
                 thumbnail=thumbnail,
                 disable_notification=disable_notification,
-                reply_to_message_id=reply_to_message_id,
-                allow_sending_without_reply=allow_sending_without_reply,
+                reply_parameters=reply_parameters,
                 reply_markup=reply_markup
             )
             if isinstance(sent_update, Exception):
@@ -1826,6 +1886,7 @@ class Bot(TelegramBot, ObjectWithDatabase, MultiLanguageObject):
                          reply_markup=None,
                          update: dict = None,
                          reply_to_update: bool = False,
+                         reply_parameters: ReplyParameters = None,
                          send_default_keyboard: bool = True,
                          use_stored_file_id: bool = True):
         """Send voice messages.
@@ -1849,6 +1910,15 @@ class Bot(TelegramBot, ObjectWithDatabase, MultiLanguageObject):
             chat_id = self.get_chat_id(update)
         if reply_to_update and 'message_id' in update:
             reply_to_message_id = update['message_id']
+        if reply_to_message_id:
+            if reply_parameters is None:
+                reply_parameters = ReplyParameters(message_id=reply_to_message_id)
+            reply_parameters['message_id'] = reply_to_message_id
+            if allow_sending_without_reply:
+                reply_parameters['allow_sending_without_reply'] = allow_sending_without_reply
+            if reply_to_update and 'chat' in update and 'id' in update['chat']:
+                if update['chat']['id'] != chat_id:
+                    reply_parameters['chat_id'] = update['chat']['id']
         if (
             send_default_keyboard
             and reply_markup is None
@@ -1903,8 +1973,7 @@ class Bot(TelegramBot, ObjectWithDatabase, MultiLanguageObject):
                 caption_entities=caption_entities,
                 duration=duration,
                 disable_notification=disable_notification,
-                reply_to_message_id=reply_to_message_id,
-                allow_sending_without_reply=allow_sending_without_reply,
+                reply_parameters=reply_parameters,
                 reply_markup=reply_markup
             )
             if isinstance(sent_update, Exception):
@@ -1951,6 +2020,7 @@ class Bot(TelegramBot, ObjectWithDatabase, MultiLanguageObject):
                             document_name: str = None,
                             update: dict = None,
                             reply_to_update: bool = False,
+                            reply_parameters: ReplyParameters = None,
                             send_default_keyboard: bool = True,
                             use_stored_file_id: bool = False):
         """Send a document.
@@ -1983,6 +2053,15 @@ class Bot(TelegramBot, ObjectWithDatabase, MultiLanguageObject):
             return
         if reply_to_update and 'message_id' in update:
             reply_to_message_id = update['message_id']
+        if reply_to_message_id:
+            if reply_parameters is None:
+                reply_parameters = ReplyParameters(message_id=reply_to_message_id)
+            reply_parameters['message_id'] = reply_to_message_id
+            if allow_sending_without_reply:
+                reply_parameters['allow_sending_without_reply'] = allow_sending_without_reply
+            if reply_to_update and 'chat' in update and 'id' in update['chat']:
+                if update['chat']['id'] != chat_id:
+                    reply_parameters['chat_id'] = update['chat']['id']
         if chat_id > 0:
             user_record = self.db['users'].find_one(telegram_id=chat_id)
             language = self.get_language(update=update, user_record=user_record)
@@ -2061,7 +2140,7 @@ class Bot(TelegramBot, ObjectWithDatabase, MultiLanguageObject):
                                     caption=caption,
                                     parse_mode=parse_mode,
                                     disable_notification=disable_notification,
-                                    reply_to_message_id=reply_to_message_id,
+                                    reply_parameters=reply_parameters,
                                     reply_markup=reply_markup,
                                     update=update,
                                     reply_to_update=reply_to_update,
@@ -2092,8 +2171,7 @@ class Bot(TelegramBot, ObjectWithDatabase, MultiLanguageObject):
                 caption_entities=caption_entities,
                 disable_content_type_detection=disable_content_type_detection,
                 disable_notification=disable_notification,
-                reply_to_message_id=reply_to_message_id,
-                allow_sending_without_reply=allow_sending_without_reply,
+                reply_parameters=reply_parameters,
                 reply_markup=reply_markup
             )
             if isinstance(sent_update, Exception):
@@ -2127,7 +2205,8 @@ class Bot(TelegramBot, ObjectWithDatabase, MultiLanguageObject):
         return sent_update
 
     async def download_file(self, file_id,
-                            file_name=None, path=None):
+                            file_name=None, path=None,
+                            prevent_overwriting: bool = False):
         """Given a telegram `file_id`, download the related file.
 
         Telegram may not preserve the original file name and MIME type: the
@@ -2151,8 +2230,9 @@ class Bot(TelegramBot, ObjectWithDatabase, MultiLanguageObject):
             if file_name is None:
                 file_name = get_secure_key(length=10)
             file_complete_path = os.path.join(path, file_name)
-            while os.path.exists(file_complete_path):
-                file_complete_path = file_complete_path + '1'
+            if prevent_overwriting:
+                while os.path.exists(file_complete_path):
+                    file_complete_path = file_complete_path + '1'
             try:
                 with open(file_complete_path, 'wb') as local_file:
                     local_file.write(file_bytes)
@@ -2773,9 +2853,7 @@ class Bot(TelegramBot, ObjectWithDatabase, MultiLanguageObject):
         """
         if not callable(condition):
             raise TypeError(
-                'Condition {c} is not a callable'.format(
-                    c=condition.__name__
-                )
+                f'Condition {condition.__name__} is not a callable'
             )
 
         def query_decorator(handler):
@@ -3116,26 +3194,41 @@ class Bot(TelegramBot, ObjectWithDatabase, MultiLanguageObject):
 
         Restart bots if bot can't be got.
         """
+        for _ in range(60):
+            if not self._getting_me:
+                break
+            await asyncio.sleep(0.5)
+        else:
+            raise TimeoutError("Getting bot information was in progress but "
+                               "did not make it in 30 seconds...")
+        if self._got_me:
+            return
+        self._getting_me = True
         try:
             me = await self.getMe()
             if isinstance(me, Exception):
                 raise me
-            elif me is None:
-                raise Exception('getMe returned None')
+            if me is None:
+                raise TypeError('getMe returned None')
             self._name = me["username"]
             self._telegram_id = me['id']
         except Exception as e:
             logging.error(
-                f"API getMe method failed, information about this bot could "
-                f"not be retrieved. Restarting in 5 minutes...\n\n"
-                f"Error information:\n{e}"
+                "API getMe method failed, information about this bot could "
+                "not be retrieved. Restarting in 5 minutes...\n\n"
+                "Error information:\n%s", e
             )
+            self._getting_me = False
             await asyncio.sleep(5*60)
+            if self._got_me:
+                return
             self.__class__.stop(
                 message="Information about this bot could not be retrieved.\n"
                         "Restarting...",
                 final_state=65
             )
+        self._getting_me = False
+        self._got_me = True
 
     def setup(self):
         """Make bot ask for updates and handle responses."""
@@ -3150,9 +3243,11 @@ class Bot(TelegramBot, ObjectWithDatabase, MultiLanguageObject):
 
     async def close_sessions(self):
         """Close open sessions."""
-        for session_name, session in self.sessions.items():
+        for session_name in list(self.sessions.keys()):
+            session = self.sessions[session_name]
             if not session.closed:
                 await session.close()
+                del self.sessions[session_name]
 
     async def send_one_message(self, *args, **kwargs):
         sent_message = await self.send_message(*args, **kwargs)
@@ -3503,7 +3598,7 @@ class Bot(TelegramBot, ObjectWithDatabase, MultiLanguageObject):
         Each bot will receive updates via long polling or webhook according to
             its initialization parameters.
         A single aiohttp.web.Application instance will be run (cls.app) on
-            local_host:port and it may serve custom-defined routes as well.
+            local_host:port, and it may serve custom-defined routes as well.
         """
         if local_host is not None:
             cls.local_host = local_host

davtelepot/messages.py

@@ -22,6 +22,16 @@ davtelepot_messages = {
 }
 
 default_admin_messages = {
+    'become_admin': {
+        'success': {
+            'en': "🎉 You are now administrator! 👑",
+            'it': "🎉 Ora hai diritti di amministrazione! 👑",
+        },
+        'wrong_token': {
+            'en': "❌ Wrong token 🚷",
+            'it': "❌ Password errata 🚷",
+        },
+    },
     'cancel': {
         'button': {
             'en': "↩️ Cancel",