Bottle
Python web frameworks
Web frameworks
- Features
- Ease of use
- Ease of management
- Quality of support
- Affordability
- Market presence
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What is Bottle
Bottle is a lightweight Python web framework for building HTTP APIs and small web applications. It targets developers who want a minimal dependency footprint and a simple programming model for routing, request/response handling, and templating. Bottle is distributed as a single-file module and can run on multiple WSGI servers, which makes it suitable for prototypes, embedded use cases, and small services.
Single-file, minimal dependencies
Bottle is commonly used as a single Python module with no mandatory external dependencies. This simplifies packaging and deployment for small services and scripts. It also makes the framework practical in constrained environments where installing many packages is undesirable.
Straightforward routing and handlers
Bottle provides a simple decorator-based routing model and a small set of core abstractions for requests, responses, and errors. This reduces the amount of framework-specific code needed for basic APIs. For teams that prefer explicit, minimal conventions, the learning curve is typically lower than larger full-stack frameworks.
WSGI server flexibility
Bottle supports running under different WSGI servers and can integrate with common deployment patterns for Python web apps. This allows teams to choose a server and hosting approach that fits their operational requirements. It also helps when migrating a small app between environments without changing application code significantly.
Limited built-in full-stack features
Bottle focuses on core web primitives and does not include many batteries-included components found in larger frameworks. Capabilities such as an integrated ORM, admin interface, or comprehensive project scaffolding typically require third-party libraries. This can increase integration work for larger applications.
Smaller ecosystem for large apps
Compared with more widely adopted Python web frameworks, Bottle has a smaller set of commonly used extensions and fewer established patterns for complex, multi-module applications. Teams may need to define more architecture and conventions themselves. This can affect maintainability as the codebase grows.
Not designed for async-first workloads
Bottle is primarily a WSGI-based framework and is not built around an async-first execution model. For high-concurrency, long-lived connections (for example, WebSockets) or async-heavy I/O patterns, teams may need additional components or a different framework style. This can limit suitability for certain real-time or highly concurrent workloads.
Plan & Pricing
| Plan | Price | Key features & notes |
|---|---|---|
| Open Source / Free | $0 (free) | Distributed under the MIT License; single-file module (bottle.py); installable via pip (pip install bottle); no paid tiers or pricing on the official site. |
