Improved dependency management and checkpoint handling

entrypoint.sh

@@ -3,24 +3,34 @@
 set -e
 
 CKPT_DIR="/piper/lightning_logs"
-CKPT=""
+VOICE_NAME=${VOICE_NAME:-pt_BR-well}
+
+latest_checkpoint() {
+  ls -t ${CKPT_DIR}/version_*/checkpoints/*.ckpt | head -n1
+}
 
 if compgen -G "${CKPT_DIR}/version_*/checkpoints/*.ckpt" > /dev/null; then
-  CKPT=$(ls -t ${CKPT_DIR}/version_*/checkpoints/*.ckpt | head -n1)
+  CKPT=$(latest_checkpoint)
   RESUME_ARG="--ckpt_path $CKPT"
 
   echo "Resuming: $CKPT"
 fi
 
-exec python3 -m piper.train fit \
-  --data.voice_name pt_BR-well \
+python3 -m piper.train fit \
+  --data.voice_name $VOICE_NAME \
   --data.espeak_voice pt-br \
   --data.audio_dir /data/wav/ \
   --data.batch_size 16 \
   --data.cache_dir /data/.cache/ \
-  --data.config_path /data/config.json \
+  --data.config_path /data/${VOICE_NAME}-medium.onnx.json \
   --data.csv_path /data/metadata.csv \
   --model.sample_rate 22050 \
   --trainer.check_val_every_n_epoch 1 \
   --trainer.max_epochs 10000 \
   $RESUME_ARG
+
+CKPT=$(latest_checkpoint)
+
+python3 -m piper.train.export_onnx \
+  --checkpoint $CKPT \
+  --output-file /data/${VOICE_NAME}-medium.onnx