add files

funasr_local/samplers/abs_sampler.py

@@ -0,0 +1,19 @@
+from abc import ABC
+from abc import abstractmethod
+from typing import Iterator
+from typing import Tuple
+
+from torch.utils.data import Sampler
+
+
+class AbsSampler(Sampler, ABC):
+    @abstractmethod
+    def __len__(self) -> int:
+        raise NotImplementedError
+
+    @abstractmethod
+    def __iter__(self) -> Iterator[Tuple[str, ...]]:
+        raise NotImplementedError
+
+    def generate(self, seed):
+        return list(self)