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PEP8 VS FastAPI

Compare PEP8 VS FastAPI and see what are their differences

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PEP8 logo PEP8

pep8 is a tool to check your Python code against some of the style conventions in PEP 8.

FastAPI logo FastAPI

FastAPI is an Open Source, modern, fast (high-performance), web framework for building APIs with Python 3.6+ based on standard Python type hints.
Not present
  • FastAPI Landing page
    Landing page //
    2023-05-14

PEP8 features and specs

  • Consistency
    PEP 8 provides a consistent style guide that helps maintain uniformity across Python codebases, which is particularly beneficial in collaborative environments. This makes it easier for developers to read and understand code written by others.
  • Readability
    By following PEP 8, code becomes more readable and understandable, with a clearer structure and better formatting. This reduces the cognitive load on developers, enabling them to focus on logic rather than syntax.
  • Improved Collaboration
    With a common style guide like PEP 8, teams can collaborate more effectively because everyone follows the same set of rules, reducing misunderstandings and the effort needed to adapt to different coding styles.
  • Tool Support
    Many development tools and linters automatically check for PEP 8 compliance, helping developers to quickly spot and fix deviations from the style guide, leading to more consistent code.
  • Community Consensus
    PEP 8 is widely accepted across the Python community, providing a community-endorsed standard that aligns with Python's philosophy, promoting code quality and best practices.

Possible disadvantages of PEP8

  • Flexibility Constraints
    While PEP 8 promotes consistency, it may sometimes limit flexibility and creativity in coding style, as developers have to adhere to specific formatting rules even when alternative styles may be more suitable for a particular project or context.
  • Learning Curve
    Developers new to PEP 8 standards must invest time to learn and internalize these guidelines, which can initially slow down coding and impact productivity until they become familiar with the style guide.
  • Overhead for Small Projects
    For small projects or scripts where rapid development is a priority over maintainability or collaboration, strictly adhering to PEP 8 can introduce unnecessary overhead.
  • Subjectivity and Disagreements
    Although PEP 8 aims to provide clarity, some guidelines can be subjective, leading to disagreements or confusion about the best way to implement specific rules, particularly in nuanced scenarios.

FastAPI features and specs

  • High Performance
    Built on Starlette and Pydantic, FastAPI is one of the fastest frameworks for Python, providing high performance due to its asynchronous request handling.
  • Automatic Interactive API Documentation
    FastAPI automatically generates interactive API documentation via Swagger UI and ReDoc, which are very helpful for development and testing.
  • Type Checking and Validation
    With Pydantic models and Python type hints, FastAPI provides automatic data validation and type checking, reducing the chance of runtime errors.
  • Ease of Use
    Its syntax and design make it easy to learn for Python developers, offering a smooth development experience while reducing boilerplate code.
  • Asynchronous Support
    FastAPI supports asynchronous programming, allowing for better performance for I/O-bound operations, making it optimal for handling many simultaneous connections.
  • Extensive Documentation
    It has comprehensive and well-structured documentation, which is very useful for both beginners and advanced users.
  • Community and Ecosystem
    FastAPI has a growing community and ecosystem, with many plugins and integrations available to extend its functionality.

Possible disadvantages of FastAPI

  • Learning Curve for Asynchronous Programming
    Although FastAPI itself is easy to learn, grasping the concepts of asynchronous programming in Python can be challenging for beginners.
  • Complex Dependencies
    Using Pydantic for advanced validation can make the request models complex, requiring a deeper understanding of Pydantic and its functionalities.
  • Early Stage Libraries
    Some third-party libraries and extensions specifically tailored for FastAPI might still be in early stages of development and lack long-term stability.
  • Limited Real-World Examples
    Although the documentation is extensive, there might be limited real-world examples and case studies readily available compared to more mature frameworks.
  • Deployment Complexity
    Deploying FastAPI applications might be more complex in comparison to traditional synchronous frameworks, mainly due to the need for asynchronous server setups.

Analysis of FastAPI

Overall verdict

  • FastAPI is widely regarded as a good choice, especially for applications that require high performance, scalability, and modern Python features. It is suitable for both simple and complex projects, making it a versatile tool in the web development ecosystem.

Why this product is good

  • FastAPI is a modern, fast (high-performance), web framework for building APIs with Python 3.7+ based on standard Python type hints. It is built on top of Starlette for web framework capabilities and Pydantic for data validation and settings management. FastAPI is known for its excellent performance, automatic generation of interactive API documentation (with Swagger and Redoc), and support for asynchronous programming. Developers appreciate its ease of use, detailed documentation, and helpful error messages.

Recommended for

  • Developers building RESTful APIs
  • Teams looking for a high-performance ASGI-based web framework
  • Projects that require asynchronous programming capabilities
  • Applications needing automatic generation of interactive API documentation
  • Python developers who prefer utilizing type hints for code clarity and validation

PEP8 videos

pep8.org — The Prettiest Way to View the PEP 8 Python Style Guide

FastAPI videos

FastAPI from the ground up

More videos:

  • Tutorial - 30 Days of Python - Day 14 - Web App with Flask, FastAPI, ngrok, and Invictify - Python TUTORIAL
  • Review - [PT] Python - API com FastAPI - Chat | twitch.tv/codeshow

Category Popularity

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Code Analysis
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Developer Tools
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Code Quality
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API Tools
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User comments

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Reviews

These are some of the external sources and on-site user reviews we've used to compare PEP8 and FastAPI

PEP8 Reviews

We have no reviews of PEP8 yet.
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FastAPI Reviews

  1. Kurslog team
    · Working at Kurslog ·

    When our backend team needs to build services for data parsing, aggregators, or high-load APIs, FastAPI is our absolute go-to choice. It completely lives up to its name-development speed is outstanding.

    The combination of Pydantic for data validation and built-in async support keeps our shared codebase clean, strictly typed, and reliable. But the biggest highlight for our cross-functional team is the automatic generation of interactive OpenAPI (Swagger) documentation. Our frontend and mobile developers no longer have to wait for backend engineers to manually update API docs; everything stays perfectly in sync automatically. It has drastically improved our team's communication and delivery speed.

    Pros:    Blazing fast performance (on par with nodejs and go)|Native asynchronous support out of the box|Automatic, interactive documentation generation (swagger/redoc)|Strict typing and data validation with pydantic
    Cons:    Smaller plug-and-play ecosystem compared to older frameworks like django|Requires our architects to design the project structure and directory layout from scratch

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Since its release in 2018, it has rapidly gained popularity due to its great performance and simplicity. In fact, according to PyPi Stats, FastAPI has over 9 million monthly downloads, surpassing even full-stack frameworks like Django.
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myapp/ is the main directory of your FastAPI application. It includes all the other files and directories needed for the application.static/ is a directory used to store static assets such as CSS, JavaScript, and image files. These assets are served directly by the web server and are typically used to add visual styling and interactivity to the application.css/, img/, js/...
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FastAPI is a modern, fast (high-performance), web framework for building APIs with Python 3.6+ based on standard Python type hints. It is fast when compared to other major Python frameworks like Flask and Django. FastAPI gives great flexibility to fulfill businesses’ API needs in today’s evolving world.

Social recommendations and mentions

Based on our record, FastAPI seems to be more popular. It has been mentiond 312 times since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.

PEP8 mentions (0)

We have not tracked any mentions of PEP8 yet. Tracking of PEP8 recommendations started around Mar 2021.

FastAPI mentions (312)

  • I Built My First Machine Learning API — Here's Everything I Learned
    I used FastAPI, a Python framework built specifically for creating APIs quickly, with automatic validation and interactive documentation baked in. - Source: dev.to / 20 days ago
  • Shipping Sovereign SDK: Cryptographic Forensic Receipts and the End of the AI "Prose Tax"
    The Sovereign SDK is a Python-native framework designed to minimize prose overhead while generating ironclad, cryptographic execution receipts for AI agents, complete with drop-in FastAPI/Starlette ASGI middleware. - Source: dev.to / 3 months ago
  • 5-Minute AI Jobs and Closed Tabs — Why We Built Replay-Then-Tail SSE
    We had a feature in production where a single user request could run for five-plus minutes — fetch documents, chunk them, hit an LLM per chunk, synthesize a final answer. We did the obvious thing first: a FastAPI handler that ran the pipeline and streamed progress back to the browser over Server-Sent Events. - Source: dev.to / 4 months ago
  • FastAPI With LangChain and MongoDB
    FastAPI is a Python framework for building APIs quickly, efficiently, and with very little code. - Source: dev.to / 5 months ago
  • I Built A " CrowdSense AI " : A Scalable, Context-Aware Platform for Smart Stadiums
    Backend: Python-based FastAPI for its asynchronous I/O capabilities and rapid JSON serialization. - Source: dev.to / 5 months ago
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What are some alternatives?

When comparing PEP8 and FastAPI, you can also consider the following products

PyLint - Pylint is a Python source code analyzer which looks for programming errors.

Flask - a microframework for Python based on Werkzeug, Jinja 2 and good intentions.

Codacy - Automatically reviews code style, security, duplication, complexity, and coverage on every change while tracking code quality throughout your sprints.

ExpressJS - Sinatra inspired web development framework for node.js -- insanely fast, flexible, and simple

CppDepend - Master Your C and C++ Codebase with Precision and Insight

Django - The Web framework for perfectionists with deadlines