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A newer version of the Gradio SDK is available: 6.26.0
Technology Stack — Multilingual ABSA
Core Technologies
| Technology | Version | Purpose | Where Used |
|---|---|---|---|
| Python | 3.11+ | Runtime | All backend/ML code |
| FastAPI | 0.111.0 | REST API framework | api/ routes and middleware |
| Uvicorn | 0.29.0 | ASGI server | API entry point |
| Streamlit | 1.37.0 | Dashboard frontend (pure Python) | frontend/ |
| PostgreSQL | 16 (alpine) | Production database | Docker Compose |
| SQLite | (built-in) | Development database | absa.db |
| Redis | 7 (alpine) | Celery broker + cache | api/tasks/ |
| Docker | 27.x | Containerization | docker/ |
| Docker Compose | 3.8+ | Orchestration | docker/docker-compose.yml |
ML / AI Stack
| Technology | Version | Purpose | Where Used |
|---|---|---|---|
| PyTorch | 2.3.0 | Deep learning framework | src/absa/models/ training |
| Transformers | 4.39.3 | Model zoo, training, tokenization | All ML scripts |
| XLM-RoBERTa | base | Multilingual encoder | FacebookAI/xlm-roberta-base |
| ONNX Runtime | 1.18.0 | Production inference | api/services/absa_pipeline.py |
| Optimum | 1.19.0 | ONNX export bridge | src/absa/models/export_onnx.py |
| optimum-onnx | (bundled) | ONNX runtime models | ORTModelForTokenClassification, ORTModelForSequenceClassification |
| PEFT | 0.10.0 | Parameter-efficient fine-tuning | src/absa/models/train_qlora.py (LoRA) |
| scikit-learn | 1.4.2 | Metrics + baseline | src/absa/models/baseline.py, train_sentiment.py |
| Datasets | 2.19.0 | Data loading | src/absa/data/hf_dataset.py |
| seqeval | 1.2.2 | BIO tagging evaluation | src/absa/models/train_aspect_extraction.py |
| fasttext-predict | 0.9.2.4 | Language identification | src/absa/data/lang_detect.py, api/services/lang_service.py |
| indic-nlp-library | (git) | Devanagari transliteration | src/absa/data/transliterate.py |
| nlpaug | 1.1.11 | Text augmentation | src/absa/data/augmentation.py |
MLOps Stack
| Technology | Version | Purpose | Where Used |
|---|---|---|---|
| MLflow | 2.13.0 | Experiment tracking | src/absa/training/mlflow_utils.py, all src/absa/models/ |
| DVC | 3.51.1 | Data version control | dvc.yaml, .dvc/ |
| Evidently AI | 0.4.30 | Data drift monitoring | scripts/drift_monitor.py |
| Prometheus | latest | Metrics collection | monitoring/prometheus.yml |
| Grafana | latest | Dashboard visualization | monitoring/grafana/dashboards/ |
| prometheus-fastapi-instrumentator | 7.0.0 | Metrics middleware | api/middleware/metrics.py |
API / Backend Libraries
| Technology | Version | Purpose |
|---|---|---|
| Pydantic | 2.7.1 | Request/response schema validation |
| SQLAlchemy | (via psycopg2) | ORM |
| psycopg2-binary | 2.9.9 | PostgreSQL driver |
| Celery | 5.4.0 | Async task queue |
| python-dotenv | 1.0.1 | Environment variable loading |
| python-multipart | 0.0.9 | File upload parsing |
| NumPy | 1.26.4 | Numerical computing |
| Pandas | 2.2.2 | Data manipulation |
Frontend Libraries
| Technology | Version | Purpose |
|---|---|---|
| Streamlit | 1.37.0 | Native dashboard widgets — no HTML templates or JS build step |
| httpx | 0.28.0 | HTTP client talking to the FastAPI backend |
Infrastructure / Deployment
| Technology | Purpose |
|---|---|
| Docker (multi-stage) | Build optimization |
| Railway | API + worker cloud hosting |
| HuggingFace Hub | Model storage/pull |
Version Compatibility Matrix
| Package | Python | PyTorch | ONNX Runtime |
|---|---|---|---|
| transformers 4.39.3 | 3.8+ | 1.11+ | — |
| optimum 1.19.0 | 3.8+ | 1.13+ | 1.15+ |
| onnxruntime 1.18.0 | 3.8+ | — | — |
| peft 0.10.0 | 3.8+ | 2.0+ | — |
| mlflow 2.13.0 | 3.8+ | — | — |
| dvc 3.51.1 | 3.8+ | — | — |
| evidently 0.4.30 | 3.8+ | — | — |
| fastapi 0.111.0 | 3.8+ | — | — |
| celery 5.4.0 | 3.8+ | — | — |