10.6.10. Class cerebro.events.BeforeEventChangingOfAttachmentsHashtags

class cerebro.events.BeforeEventChangingOfAttachmentsHashtags(event_type, event_id)

Bases: cerebro.events.BeforeEventChangingOfAttachments

The class for the attachment hashtags changing event. It grants access to the attachment hashtags being changed before writing them into the database.

Methods

• is_added()
• methods of the base class cerebro.events.Event

The class object is input into the functions before_event and error_event (in case of error) of the module event.

def before_event(event):        
        if event.event_type() == event.EVENT_CHANGING_OF_ATTACHMENT_HASHTAGS:
                ...

is_added()

Returns:True, if hashtags are being added to attachment. False, is being removed. Return type:bool

def before_event(event):        
        if event.event_type() == event.EVENT_CHANGING_OF_ATTACHMENT_HASHTAGS: # hashtags is being changed
        
                if event.is_added() == False: # hashtags are being dismissed                                    
                        # asking the user if he/she is sure to do it
                        q = 'Are you sure you want to remove hashtags from the attachment?'
                        if cerebro.gui.question_box('User list change',  q) == False: # if the user is not sure
                                raise Exception('') 
                        # Hashtags will remain added to the attachment