Python telethon.events.StopPropagation() Examples

The following are 4 code examples of telethon.events.StopPropagation(). You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may also want to check out all available functions/classes of the module telethon.events , or try the search function .
Example #1
Source File: updates.py    From Telethon with MIT License 5 votes vote down vote up 
def _dispatch_event(self: 'TelegramClient', event):
        """
        Dispatches a single, out-of-order event. Used by `AlbumHack`.
        """
        # We're duplicating a most logic from `_dispatch_update`, but all in
        # the name of speed; we don't want to make it worse for all updates
        # just because albums may need it.
        for builder, callback in self._event_builders:
            if not isinstance(event, builder.Event):
                continue

            if not builder.resolved:
                await builder.resolve(self)

            filter = builder.filter(event)
            if inspect.isawaitable(filter):
                filter = await filter
            if not filter:
                continue

            try:
                await callback(event)
            except errors.AlreadyInConversationError:
                name = getattr(callback, '__name__', repr(callback))
                self._log[__name__].debug(
                    'Event handler "%s" already has an open conversation, '
                    'ignoring new one', name)
            except events.StopPropagation:
                name = getattr(callback, '__name__', repr(callback))
                self._log[__name__].debug(
                    'Event handler "%s" stopped chain of propagation '
                    'for event %s.', name, type(event).__name__
                )
                break
            except Exception as e:
                if not isinstance(e, asyncio.CancelledError) or self.is_connected():
                    name = getattr(callback, '__name__', repr(callback))
                    self._log[__name__].exception('Unhandled exception on %s',
                                                  name)
Example #2
Source File: payment.py    From Telethon with MIT License 5 votes vote down vote up 
def payment_pre_checkout_handler(event: types.UpdateBotPrecheckoutQuery):
    if event.payload.decode('UTF-8') == 'product A':
        # so we have to confirm payment
        await bot(
            functions.messages.SetBotPrecheckoutResultsRequest(
                query_id=event.query_id,
                success=True,
                error=None
            )
        )
    elif event.payload.decode('UTF-8') == 'product B':
        # same for another
        await bot(
            functions.messages.SetBotPrecheckoutResultsRequest(
                query_id=event.query_id,
                success=True,
                error=None
            )
        )
    else:
        # for example, something went wrong (whatever reason). We can tell customer about that:
        await bot(
            functions.messages.SetBotPrecheckoutResultsRequest(
                query_id=event.query_id,
                success=False,
                error='Something went wrong'
            )
        )

    raise events.StopPropagation


# That event is handled at the end, when customer payed.
Example #3
Source File: payment.py    From Telethon with MIT License 5 votes vote down vote up 
def payment_received_handler(event):
    if isinstance(event.message.action, types.MessageActionPaymentSentMe):
        payment: types.MessageActionPaymentSentMe = event.message.action
        # do something after payment was recieved
        if payment.payload.decode('UTF-8') == 'product A':
            await bot.send_message(event.message.from_id, 'Thank you for buying product A!')
        elif payment.payload.decode('UTF-8') == 'product B':
            await bot.send_message(event.message.from_id, 'Thank you for buying product B!')
        raise events.StopPropagation


# let's put it in one function for more easier way
Example #4
Source File: main.py    From xiaomi_uranus_chatbot with GNU General Public License v3.0 5 votes vote down vote up 
def start(event):
    """Send a message when the command /start is sent."""
    # sender_info = await get_user_info(event)
    # DATABASE.add_chat_to_db(sender_info)
    locale = DATABASE.get_locale(event.chat_id)
    if not event.is_private:
        message, buttons = await welcome_in_pm_message(locale)
        try:
            await event.reply(message, buttons=buttons)
        except ChatWriteForbiddenError:
            pass
        return
    try:
        key = event.message.message.split('/start ')[1]
    except IndexError:
        key = None
    if event.message.message.endswith('help'):
        await show_help(event)
    elif key and key != 'start':
        try:
            decoded = b64decode(key).decode()
            if "/subscribe" in decoded:
                event.message.message = decoded
                await subscribe(event)
        except UnicodeDecodeError:
            pass
    else:
        message, buttons = await welcome_message(locale)
        try:
            await event.reply(message, buttons=buttons, link_preview=False)
        except UserIsBlockedError:
            pass
    raise events.StopPropagation  # Other handlers won't have an event to work with


# @BOT.on(events.NewMessage)
# async def echo(event):
#     """Echo the user message."""
#     await event.respond(event.text)
#     # await event.respond('A single button, with "clk1" as data',
#     #                     buttons=Button.inline('Click me', b'clk1'))