MessageHandler¶
- class telegram.ext.MessageHandler(filters, callback, block=True)[source]¶
Bases:
telegram.ext.BaseHandler
Handler class to handle Telegram messages. They might contain text, media or status updates.
Warning
When setting
block
toFalse
, you cannot rely on adding custom attributes totelegram.ext.CallbackContext
. See its docs for more info.Available In
- Parameters:
filters (
telegram.ext.filters.BaseFilter
) –A filter inheriting from
telegram.ext.filters.BaseFilter
. Standard filters can be found intelegram.ext.filters
. Filters can be combined using bitwise operators (& for and, | for or, ~ for not). PassingNone
is a shortcut to passingtelegram.ext.filters.ALL
.See also
callback (coroutine function) –
The callback function for this handler. Will be called when
check_update()
has determined that an update should be processed by this handler. Callback signature:async def callback(update: Update, context: CallbackContext)
The return value of the callback is usually ignored except for the special case of
telegram.ext.ConversationHandler
.block (
bool
, optional) –Determines whether the return value of the callback should be awaited before processing the next handler in
telegram.ext.Application.process_update()
. Defaults toTrue
.See also
- filters[source]¶
Only allow updates with these Filters. See
telegram.ext.filters
for a full list of all available filters.
- block[source]¶
Determines whether the return value of the callback should be awaited before processing the next handler in
telegram.ext.Application.process_update()
.- Type:
bool
- check_update(update)[source]¶
Determines whether an update should be passed to this handler’s
callback
.- Parameters:
update (
telegram.Update
|object
) – Incoming update.- Returns:
bool
- collect_additional_context(context, update, application, check_result)[source]¶
Adds possible output of data filters to the
CallbackContext
.