From 476dc3f30c014e0d2ebdc46ce0283ddbfe63eeb8 Mon Sep 17 00:00:00 2001
From: VirtuosoQ <2416050435@qq.com>
Date: 星期日, 28 四月 2024 16:37:54 +0800
Subject: [PATCH] 16:37 java_http_client

---
 funasr/datasets/large_datasets/datapipes/map.py |   22 ++++++++++++++++++++++
 1 files changed, 22 insertions(+), 0 deletions(-)

diff --git a/funasr/datasets/large_datasets/datapipes/map.py b/funasr/datasets/large_datasets/datapipes/map.py
new file mode 100644
index 0000000..dfcd6a0
--- /dev/null
+++ b/funasr/datasets/large_datasets/datapipes/map.py
@@ -0,0 +1,22 @@
+from torch.utils.data import IterableDataset
+
+
+def default_fn(data):
+    return data
+
+
+class MapperIterDataPipe(IterableDataset):
+
+    def __init__(self,
+                 datapipe,
+                 fn=default_fn):
+        self.datapipe = datapipe
+        self.fn = fn
+
+    def set_epoch(self, epoch):
+        self.datapipe.set_epoch(epoch)
+
+    def __iter__(self):
+        assert callable(self.fn)
+        for data in self.datapipe:
+            yield self.fn(data)

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