From 2f9685797b0c8a420574c2a459c242f90efdf3ee Mon Sep 17 00:00:00 2001
From: aky15 <ankeyuthu@gmail.com>
Date: 星期三, 24 五月 2023 14:04:54 +0800
Subject: [PATCH] support resume model from pai (#544)

---
 funasr/train/trainer.py |   25 +++++++++++++++++++------
 1 files changed, 19 insertions(+), 6 deletions(-)

diff --git a/funasr/train/trainer.py b/funasr/train/trainer.py
index 4052448..4f83ace 100644
--- a/funasr/train/trainer.py
+++ b/funasr/train/trainer.py
@@ -143,11 +143,23 @@
         schedulers: Sequence[Optional[AbsScheduler]],
         scaler: Optional[GradScaler],
         ngpu: int = 0,
+        oss_bucket=None,
     ):
-        states = torch.load(
-            checkpoint,
-            map_location=f"cuda:{torch.cuda.current_device()}" if ngpu > 0 else "cpu",
-        )
+        if oss_bucket is None:
+            if os.path.exists(checkpoint):
+                states = torch.load(
+                    checkpoint,
+                    map_location=f"cuda:{torch.cuda.current_device()}" if ngpu > 0 else "cpu",
+                )
+            
+            else:
+                return 0
+        else:
+            if oss_bucket.object_exists(checkpoint):
+                buffer = BytesIO(oss_bucket.get_object(checkpoint).read())
+                states = torch.load(buffer, map_location=f"cuda:{torch.cuda.current_device()}" if ngpu > 0 else "cpu",)
+            else:
+                return 0
         model.load_state_dict(states["model"])
         reporter.load_state_dict(states["reporter"])
         for optimizer, state in zip(optimizers, states["optimizers"]):
@@ -206,15 +218,16 @@
         else:
             scaler = None
 
-        if trainer_options.resume and (output_dir / "checkpoint.pb").exists():
+        if trainer_options.resume:
             cls.resume(
-                checkpoint=output_dir / "checkpoint.pb",
+                checkpoint=os.path.join(trainer_options.output_dir, "checkpoint.pb") if trainer_options.use_pai else output_dir / "checkpoint.pb",
                 model=model,
                 optimizers=optimizers,
                 schedulers=schedulers,
                 reporter=reporter,
                 scaler=scaler,
                 ngpu=trainer_options.ngpu,
+                oss_bucket=trainer_options.oss_bucket if trainer_options.use_pai else None,
             )
 
         start_epoch = reporter.get_epoch() + 1

--
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