DataLoaderLoop¶

class pytorch_lightning.loops.dataloader.dataloader_loop.DataLoaderLoop[source]¶

Bases: abc.ABC, Generic[pytorch_lightning.loops.base.T]

Base class to loop over all dataloaders.

on_advance_end()[source]¶

Hook to be called each time after advance is called.

on_advance_start(*args, **kwargs)[source]¶

Hook to be called each time before advance is called.

Accepts all arguments passed to :attr`run`.

Resets the internal state.

property current_dataloader: torch.utils.data.dataloader.DataLoader¶

Returns the current dataloader.

property current_dataloader_idx: int¶

Returns the index of the current dataloader.

abstract property dataloaders: Sequence[torch.utils.data.dataloader.DataLoader]¶

Returns the dataloaders to loop over.

property done: bool¶

Returns whether all dataloaders have been processed.

property num_dataloaders: int¶

Returns the number of dataloaders present.