|
1 | | -# python-decorators-generators |
2 | | -A collection of reusable, production-ready Python decorators and generators. Includes examples like logging, retries, caching, and more — all built following Python best practices. |
| 1 | +# Python Decorators & Generators |
| 2 | + |
| 3 | +A curated collection of production-ready, reusable Python decorators and generators — crafted using modern Python best practices. |
| 4 | + |
| 5 | +This package includes: |
| 6 | + |
| 7 | +- ✅ Common decorators like logging, retrying, caching, and timing |
| 8 | +- ✅ Generators for streaming data, infinite sequences, and efficient file processing |
| 9 | +- ✅ Unit tests and GitHub Actions CI |
| 10 | +- ✅ Editable install via `pyproject.toml` for clean imports |
| 11 | + |
| 12 | +--- |
| 13 | + |
| 14 | +## 📦 Installation (Editable Mode) |
| 15 | + |
| 16 | +Make sure you have Python 3.8+ and `pip`: |
| 17 | + |
| 18 | +```bash |
| 19 | +git clone https://github.com/your-username/python-decorators-generators.git |
| 20 | +``` |
| 21 | + |
| 22 | +```bash |
| 23 | +cd python-decorators-generators |
| 24 | +``` |
| 25 | + |
| 26 | +```bash |
| 27 | +pip install -e . |
| 28 | +``` |
| 29 | + |
| 30 | +✅ Decorators Included |
| 31 | +Decorator Description |
| 32 | +log_execution Logs function calls, arguments, return values, execution time, and exceptions |
| 33 | +retry_on_exception Retries a function on failure, with configurable retry count and delay |
| 34 | +cache_result In-memory caching with TTL support |
| 35 | +time_execution Logs how long a function takes to run |
| 36 | + |
| 37 | +## 📂 Project Structure |
| 38 | + |
| 39 | +```bash |
| 40 | +python-decorators-generators/ |
| 41 | +├── decorators/ |
| 42 | +│ ├── logging*decorator.py |
| 43 | +│ ├── retry_decorator.py |
| 44 | +│ ├── cache_decorator.py |
| 45 | +│ └── time_decorator.py |
| 46 | +│ |
| 47 | +├── generators/ |
| 48 | +│ ├── fibonacci.py |
| 49 | +│ ├── file_chunker.py |
| 50 | +│ └── tail_reader.py |
| 51 | +│ |
| 52 | +├── examples/ |
| 53 | +│ └── demo*<name>.py |
| 54 | +│ |
| 55 | +├── tests/ |
| 56 | +│ └── test\_<name>.py |
| 57 | +│ |
| 58 | +├── pyproject.toml |
| 59 | +├── requirements.txt |
| 60 | +└── README.md |
| 61 | +``` |
| 62 | + |
| 63 | +--- |
| 64 | + |
| 65 | +### ✅ Decorators Included |
| 66 | + |
| 67 | +| Decorator | Module | Description | |
| 68 | +| -------------------- | ------------------------------ | ------------------------------------------------------------------------- | |
| 69 | +| `log_execution` | `decorators.logging_decorator` | Logs function calls, arguments, return values, execution time, and errors | |
| 70 | +| `retry_on_exception` | `decorators.retry_decorator` | Retries a function on failure, with customizable retry count and delay | |
| 71 | +| `cache_result` | `decorators.cache_decorator` | In-memory caching with configurable TTL | |
| 72 | +| `time_execution` | `decorators.time_decorator` | Logs how long a function takes to run | |
| 73 | + |
| 74 | +--- |
| 75 | + |
| 76 | +### 🔁 Generators Included |
| 77 | + |
| 78 | +| Generator | Module | Description | |
| 79 | +| ---------------- | ------------------------- | ------------------------------------------------------------- | |
| 80 | +| `fibonacci()` | `generators.fibonacci` | Infinite lazy sequence of Fibonacci numbers | |
| 81 | +| `file_chunker()` | `generators.file_chunker` | Reads large files in fixed-size chunks using lazy loading | |
| 82 | +| `tail_reader()` | `generators.tail_reader` | Mimics `tail -f` to stream new lines from a file in real-time | |
| 83 | + |
| 84 | +--- |
| 85 | + |
| 86 | +### 🧪 Run Tests |
| 87 | + |
| 88 | +Install dependencies: |
| 89 | + |
| 90 | +```bash |
| 91 | +pip install -r requirements.txt |
| 92 | +``` |
| 93 | + |
| 94 | +Then run: |
| 95 | + |
| 96 | +```bash |
| 97 | +pytest tests/ |
| 98 | +``` |
| 99 | + |
| 100 | +--- |
| 101 | + |
| 102 | +## 🚀 CI/CD with GitHub Actions |
| 103 | + |
| 104 | +This project includes a CI pipeline that runs on every push and PR to main, defined in .github/workflows/python-tests.yml. |
| 105 | +🧠 Why This Repo? |
| 106 | + |
| 107 | +This repository is ideal for: |
| 108 | + |
| 109 | +- Engineers who want reusable decorator utilities |
| 110 | + |
| 111 | +- Data engineers working with large files or streams |
| 112 | + |
| 113 | +- Anyone who wants to understand Python’s advanced features through real code |
| 114 | + |
| 115 | +--- |
| 116 | + |
| 117 | +## 📬 Contributions |
| 118 | + |
| 119 | +Feel free to fork this project, add more utilities (e.g., memoization, rate-limiting), or improve tests and documentation. |
| 120 | + |
| 121 | +--- |
| 122 | + |
| 123 | +Let me know if you'd like a corresponding `pyproject.toml` now, or a downloadable `.zip` with the full folder setup. |
0 commit comments