From 8b632a229f68884ee93b089293dec7bdb042f70d Mon Sep 17 00:00:00 2001
From: Siming Dai <908660116@qq.com>
Date: Mon, 5 Dec 2022 14:43:39 +0800
Subject: [PATCH] Add get_epoch_finish python interface (#182)

* add get_epoch_finish interface

* add return

* delete return
---
 paddle/fluid/framework/data_set.cc | 1 -
 paddle/fluid/pybind/data_set_py.cc | 3 +++
 python/paddle/fluid/dataset.py     | 3 +++
 3 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/paddle/fluid/framework/data_set.cc b/paddle/fluid/framework/data_set.cc
index 41129b2596761..b6b9e26792467 100644
--- a/paddle/fluid/framework/data_set.cc
+++ b/paddle/fluid/framework/data_set.cc
@@ -470,7 +470,6 @@ void DatasetImpl<T>::LoadIntoMemory() {
         readers_[i]->ResetPathNum();
         readers_[i]->ResetEpochFinish();
       }
-      return;
     }
 
     for (int64_t i = 0; i < thread_num_; ++i) {
diff --git a/paddle/fluid/pybind/data_set_py.cc b/paddle/fluid/pybind/data_set_py.cc
index dc381e6a033e0..bc60d536d19ce 100644
--- a/paddle/fluid/pybind/data_set_py.cc
+++ b/paddle/fluid/pybind/data_set_py.cc
@@ -290,6 +290,9 @@ void BindDataset(py::module *m) {
       .def("get_memory_data_size",
            &framework::Dataset::GetMemoryDataSize,
            py::call_guard<py::gil_scoped_release>())
+      .def("get_epoch_finish",
+           &framework::Dataset::GetEpochFinish,
+           py::call_guard<py::gil_scoped_release>())
       .def("get_pv_data_size",
            &framework::Dataset::GetPvDataSize,
            py::call_guard<py::gil_scoped_release>())
diff --git a/python/paddle/fluid/dataset.py b/python/paddle/fluid/dataset.py
index decd3988602ac..b5f6fe4fbcb0c 100644
--- a/python/paddle/fluid/dataset.py
+++ b/python/paddle/fluid/dataset.py
@@ -945,6 +945,9 @@ def get_pv_data_size(self):
         """
         return self.dataset.get_pv_data_size()
 
+    def get_epoch_finish(self):
+        return self.dataset.get_epoch_finish()
+
     @deprecated(
         since="2.0.0",
         update_to="paddle.distributed.InMemoryDataset.get_memory_data_size")