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Merged
merged 4 commits into from
May 16, 2025
Merged

Android check pte exists #10931

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42940bd
Android Java throw exception if cannot load model or tokenizer
kirklandsign May 15, 2025
246b509
Use old API
kirklandsign May 15, 2025
8caebca
raise if it's not a regular file
kirklandsign May 15, 2025
905ccd0
update test
kirklandsign May 16, 2025
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5 changes: 5 additions & 0 deletions extension/android/executorch_android/src/main/java/org/pytorch/executorch/Module.java
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Original file line number Diff line number Diff line change
Expand Up @@ -11,6 +11,7 @@
import android.util.Log;
import com.facebook.soloader.nativeloader.NativeLoader;
import com.facebook.soloader.nativeloader.SystemDelegate;
import java.io.File;
import java.util.concurrent.locks.Lock;
import java.util.concurrent.locks.ReentrantLock;
import org.pytorch.executorch.annotations.Experimental;
Expand Down Expand Up @@ -52,6 +53,10 @@ public static Module load(final String modelPath, int loadMode) {
if (!NativeLoader.isInitialized()) {
NativeLoader.init(new SystemDelegate());
}
File modelFile = new File(modelPath);
if (!modelFile.canRead() || !modelFile.isFile()) {
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Copilot AI May 15, 2025

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Duplicate file validation logic appears here and in LlmModule.java; extracting a shared helper method could improve maintainability.

Copilot uses AI. Check for mistakes.

throw new RuntimeException("Cannot load model path " + modelPath);
}
return new Module(new NativePeer(modelPath, loadMode));
}

Expand Down
37 changes: 27 additions & 10 deletions ...roid/executorch_android/src/main/java/org/pytorch/executorch/extension/llm/LlmModule.java
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Original file line number Diff line number Diff line change
Expand Up @@ -12,6 +12,7 @@
import com.facebook.jni.annotations.DoNotStrip;
import com.facebook.soloader.nativeloader.NativeLoader;
import com.facebook.soloader.nativeloader.SystemDelegate;
import java.io.File;
import org.pytorch.executorch.annotations.Experimental;

/**
Expand Down Expand Up @@ -41,33 +42,49 @@ public class LlmModule {
private static native HybridData initHybrid(
int modelType, String modulePath, String tokenizerPath, float temperature, String dataPath);

/**
* Constructs a LLM Module for a model with given type, model path, tokenizer, temperature, and
* data path.
*/
public LlmModule(
int modelType, String modulePath, String tokenizerPath, float temperature, String dataPath) {
File modelFile = new File(modulePath);
if (!modelFile.canRead() || !modelFile.isFile()) {
throw new RuntimeException("Cannot load model path " + modulePath);
}
File tokenizerFile = new File(tokenizerPath);
if (!tokenizerFile.canRead() || !tokenizerFile.isFile()) {
throw new RuntimeException("Cannot load tokenizer path " + tokenizerPath);
}
Comment on lines +51 to +58
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Copilot AI May 15, 2025

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The file existence and readability check is duplicated in Module.java; consider extracting this into a shared utility method to reduce duplication.

Suggested change
File modelFile = new File(modulePath);
if (!modelFile.canRead() || !modelFile.isFile()) {
throw new RuntimeException("Cannot load model path " + modulePath);
}
File tokenizerFile = new File(tokenizerPath);
if (!tokenizerFile.canRead() || !tokenizerFile.isFile()) {
throw new RuntimeException("Cannot load tokenizer path " + tokenizerPath);
}
validateFile(modulePath, "model path");
validateFile(tokenizerPath, "tokenizer path");

Copilot uses AI. Check for mistakes.

mHybridData = initHybrid(modelType, modulePath, tokenizerPath, temperature, dataPath);
}

/** Constructs a LLM Module for a model with given model path, tokenizer, temperature. */
public LlmModule(String modulePath, String tokenizerPath, float temperature) {
mHybridData = initHybrid(MODEL_TYPE_TEXT, modulePath, tokenizerPath, temperature, null);
this(MODEL_TYPE_TEXT, modulePath, tokenizerPath, temperature, null);
}

/**
* Constructs a LLM Module for a model with given model path, tokenizer, temperature and data
* path.
*/
public LlmModule(String modulePath, String tokenizerPath, float temperature, String dataPath) {
mHybridData = initHybrid(MODEL_TYPE_TEXT, modulePath, tokenizerPath, temperature, dataPath);
this(MODEL_TYPE_TEXT, modulePath, tokenizerPath, temperature, dataPath);
}

/** Constructs a LLM Module for a model with given path, tokenizer, and temperature. */
public LlmModule(int modelType, String modulePath, String tokenizerPath, float temperature) {
mHybridData = initHybrid(modelType, modulePath, tokenizerPath, temperature, null);
this(modelType, modulePath, tokenizerPath, temperature, null);
}

/** Constructs a LLM Module for a model with the given LlmModuleConfig */
public LlmModule(LlmModuleConfig config) {
mHybridData =
initHybrid(
config.getModelType(),
config.getModulePath(),
config.getTokenizerPath(),
config.getTemperature(),
config.getDataPath());
this(
config.getModelType(),
config.getModulePath(),
config.getTokenizerPath(),
config.getTemperature(),
config.getDataPath());
}

public void resetNative() {
Expand Down
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