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sentiment-engine/sentiment_engine/training/combine_and_retrain.py

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#!/usr/bin/env python3
"""
Combine all labeled datasets and retrain LoRA models.
"""
import json
import random
from pathlib import Path
# Load all labeled data
all_data = []
for fname in [
"labeled_verified.jsonl",
"labeled_expanded.jsonl",
"labeled_large.jsonl",
"labeled_output.jsonl",
"labeled_real_world.jsonl",
]:
path = Path(f"data/{fname}")
if path.exists():
with open(path) as f:
for line in f:
try:
item = json.loads(line.strip())
# Normalize format
labels = item.get("labels", {})
text = item.get("text", item.get("raw_text", ""))
if text and labels.get("sentiment"):
all_data.append({
"text": text,
"sentiment": labels["sentiment"],
"event_type": labels.get("event_type", "unknown"),
"entities": labels.get("entities", []),
})
except Exception as e:
print(f"Error in {fname}: {e}")
# Deduplicate by text hash
seen = set()
unique = []
for d in all_data:
h = hash(d["text"][:200])
if h not in seen:
seen.add(h)
unique.append(d)
print(f"Total unique samples: {len(unique)}")
# Split
random.shuffle(unique)
split = int(0.9 * len(unique))
train_data = unique[:split]
val_data = unique[split:]
print(f"Train: {len(train_data)} | Val: {len(val_data)}")
# Save combined dataset
with open("data/combined_train.jsonl", "w") as f:
for d in train_data:
f.write(json.dumps(d) + "\n")
with open("data/combined_val.jsonl", "w") as f:
for d in val_data:
f.write(json.dumps(d) + "\n")
print("Saved combined datasets")