def callback(track_transfer_queue, done, total, fraction, time_left, user_param1, ...)
Emitted regularly to convey progress information. At the end of any given transfer batch, there will be one signal emission with @done == @total and @fraction == 1.0.
track_transfer_queue : |
instance of RB.TrackTransferQueue that is emitting the signal |
done : |
the number of entries transferred |
total : |
the total number of entries in the batch |
fraction : |
the fraction of the batch that has been transferred |
time_left : |
the estimated remaining time (in seconds) |
user_param1 : |
first user parameter (if any) specified with the connect() method |
... : |
additional user parameters (if any) |