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python startproject

Of course! The command python startproject is a fundamental command in the Python ecosystem, primarily associated with the Django web framework.

python startproject-图1
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Let's break it down.

What python startproject Does

When you run this command, you are using Django's command-line utility to create the basic directory structure and files for a new web project. It automates the tedious setup process, giving you a solid, ready-to-go foundation.


How to Use It (The Django Way)

The standard way to run this command is through Django's django-admin utility.

Prerequisites

First, you need to have Python and Django installed. If you don't have Django, open your terminal or command prompt and install it:

python startproject-图2
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pip install Django

Run the Command

Navigate to the directory where you want to create your project (e.g., your ~/projects folder) and run the following command:

# 'myproject' is the name of your project folder.
# You can replace it with any name you like.
django-admin startproject myproject

After running this, Django will create a new folder named myproject. If you look inside, you'll see the following structure:

myproject/
├── manage.py
└── myproject/
    ├── __init__.py
    ├── asgi.py
    ├── settings.py
    ├── urls.py
    └── wsgi.py

Understanding the Files

  • manage.py: A command-line utility that lets you interact with your Django project in various ways (e.g., running the server, making database migrations). You'll use this file a lot.
  • myproject/ (the inner folder): This is the actual Python package for your project.
    • __init__.py: An empty file that tells Python this directory should be treated as a package.
    • settings.py: The heart of your project. This is where you configure all of Django's settings, like which apps are installed, database configuration, time zone, security settings, etc.
    • urls.py: The main URL configuration file for your entire project. It's a table of contents for your website, mapping URL patterns to your application's views.
    • wsgi.py: An entry point for your project to run on a production web server (like Gunicorn or uWSGI). You generally won't need to edit this file as a beginner.
    • asgi.py: Similar to wsgi.py, but for modern, asynchronous servers (like Daphne). It's used for features like WebSockets.

Next Steps: Run the Development Server

Now that your project is created, navigate into the new project directory and run the development server to see it in action.

cd myproject
python manage.py runserver

You should see output like this:

python startproject-图3
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Watching for file changes with StatReloader
Performing system checks...
System check identified no issues (0 silenced).
December 01, 2025 - 15:30:00
Django version 4.2.5, using settings 'myproject.settings'
Starting development server at http://127.0.0.1:8000/
Quit the server with CONTROL-C.

Open your web browser and go to http://127.0.0.1:8000/. You'll see the friendly Django welcome page, confirming that your project is set up correctly!


Common Variations and Other Frameworks

While django-admin startproject is the most common usage, other frameworks have similar commands.

Flask

Flask is a "micro-framework" and doesn't have a built-in startproject command like Django. The project structure is more flexible and left to the developer. A common minimal setup looks like this:

# 1. Create a project folder and a virtual environment
mkdir my_flask_project
cd my_flask_project
python -m venv venv
source venv/bin/activate  # On Windows: venv\Scripts\activate
# 2. Install Flask
pip install Flask
# 3. Create your main application file
# Create a file named app.py
touch app.py # On Windows: echo. > app.py

Inside app.py, you would write the basic application code:

# app.py
from flask import Flask
app = Flask(__name__)
@app.route('/')
def hello_world():
    return 'Hello, World!'
if __name__ == '__main__':
    app.run(debug=True)

FastAPI

FastAPI has a command-line tool called fastapi that can generate a project skeleton.

# 1. Install FastAPI
pip install "fastapi[all]"
# 2. Run the startproject command
fastapi code my_fastapi_project

This will create a more structured project, including main.py, requirements.txt, and other boilerplate files.

Poetry

Poetry is a dependency management and packaging tool for Python. It has its own startproject command that creates a project with a standard structure and a pyproject.toml file.

# 1. Install Poetry
# (Follow instructions at python-poetry.org)
# 2. Run the startproject command
poetry new my_poetry_project

This creates a clean, standard Python package structure:

my_poetry_project/
├── pyproject.toml
├── README.md
└── my_poetry_project/
    └── __init__.py

Summary

Command/Framework Purpose Typical Command
Django Creates a full-featured web project with a standard structure. django-admin startproject <project_name>
Flask (Manual setup) Creates a basic file for a lightweight web application. touch app.py
FastAPI Creates a modern project skeleton with best practices. fastapi code <project_name>
Poetry Creates a standard Python package with a pyproject.toml file. poetry new <project_name>

For most new Django developers, django-admin startproject is the essential command to kick off any new web project.

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