Update functional.py (#419)

Co-authored-by: Michael Feil <63565275+michaelfeil@users.noreply.github.com>

infra/modal/functional.py

@@ -28,15 +28,21 @@ def _get_array(self):
 
     @build()
     async def download_model(self):
-        print(f"downloading models {self.model_id} ...")
-        self._get_array()
+        try:
+            print(f"downloading models {self.model_id} ...")
+            self._get_array()
+        except Exception as e:
+            print(f"Error downloading model: {e}")
 
     @enter()
     async def enter(self):
-        print("Starting the engine array ...")
-        self.engine_array = self._get_array()
-        await self.engine_array.astart()
-        print("engine array started!")
+        try:
+            print("Starting the engine array ...")
+            self.engine_array = self._get_array()
+            await self.engine_array.astart()
+            print("engine array started!")
+        except Exception as e:
+            print(f"Error starting the engine array: {e}")
 
 
 @app.cls(gpu="any", allow_concurrent_inputs=500)
@@ -49,27 +55,43 @@ def __init__(self, model_id: tuple[str]) -> None:
 
     @method()
     async def embed(self, sentences: list[str], model: str | int = 0):
-        engine = self.engine_array[model]
-        embeddings, usage = await engine.embed(sentences=sentences)
-        return embeddings
+        try:
+            engine = self.engine_array[model]
+            embeddings, usage = await engine.embed(sentences=sentences)
+            return embeddings
+        except Exception as e:
+            print(f"Error embedding sentences: {e}")
+            return None
 
     @method()
     async def image_embed(self, urls: list[str], model: str | int = 0):
-        engine = self.engine_array[model]
-        embeddings, usage = await engine.image_embed(images=urls)
-        return embeddings
+        try:
+            engine = self.engine_array[model]
+            embeddings, usage = await engine.image_embed(images=urls)
+            return embeddings
+        except Exception as e:
+            print(f"Error embedding images: {e}")
+            return None
 
     @method()
     async def rerank(self, query: str, docs: list[str], model: str | int = 0):
-        engine = self.engine_array[model]
-        rankings, usage = await engine.rerank(query=query, docs=docs)
-        return rankings
+        try:
+            engine = self.engine_array[model]
+            rankings, usage = await engine.rerank(query=query, docs=docs)
+            return rankings
+        except Exception as e:
+            print(f"Error reranking documents: {e}")
+            return None
 
     @method()
     async def classify(self, sentences: list[str], model: str | int = 0):
-        engine = self.engine_array[model]
-        classes, usage = await engine.classify(sentences=sentences)
-        return classes
+        try:
+            engine = self.engine_array[model]
+            classes, usage = await engine.classify(sentences=sentences)
+            return classes
+        except Exception as e:
+            print(f"Error classifying sentences: {e}")
+            return None
 
 
 @app.local_entrypoint()
@@ -81,28 +103,32 @@ def main():
         "philschmid/tiny-bert-sst2-distilled",
     )
     deployment = InfinityModal(model_id=model_id)
-    embeddings_1 = deployment.embed.remote(sentences=["hello world"], model=model_id[1])
-    embeddings_2 = deployment.image_embed.remote(
-        urls=["http://images.cocodataset.org/val2017/000000039769.jpg"],
-        model=model_id[0],
-    )
+
+    try:
+        embeddings_1 = deployment.embed.remote(sentences=["hello world"], model=model_id[1])
+        embeddings_2 = deployment.image_embed.remote(
+            urls=["http://images.cocodataset.org/val2017/000000039769.jpg"],
+            model=model_id[0],
+        )
 
-    rerankings_1 = deployment.rerank.remote(
-        query="Where is Paris?",
-        docs=["Paris is the capital of France.", "Berlin is a city in Europe."],
-        model=model_id[2],
-    )
+        rerankings_1 = deployment.rerank.remote(
+            query="Where is Paris?",
+            docs=["Paris is the capital of France.", "Berlin is a city in Europe."],
+            model=model_id[2],
+        )
 
-    classifications_1 = deployment.classify.remote(
-        sentences=["I feel great today!"], model=model_id[3]
-    )
+        classifications_1 = deployment.classify.remote(
+            sentences=["I feel great today!"], model=model_id[3]
+        )
 
-    print(
-        "Success, all tasks submitted! Embeddings:",
-        embeddings_1[0].shape,
-        embeddings_2[0].shape,
-        "Rerankings:",
-        rerankings_1,
-        "Classifications:",
-        classifications_1,
-    )
+        print(
+            "Success, all tasks submitted! Embeddings:",
+            embeddings_1[0].shape if embeddings_1 else "N/A",
+            embeddings_2[0].shape if embeddings_2 else "N/A",
+            "Rerankings:",
+            rerankings_1 if rerankings_1 else "N/A",
+            "Classifications:",
+            classifications_1 if classifications_1 else "N/A",
+        )
+    except Exception as e:
+        print(f"Error in main entrypoint: {e}")