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ASGI S3 storage

Project description

asgi-s3

Package version Build Status

Staticfile management tools and ASGI middleware support for Amazon S3.

Work in Progress: A lot of what is here currently will be changing.

CLI

s3 sync

...todo

Middleware

The middleware is designed to work with any ASGI application. Here is raw ASGI example:

from asgi_s3.middleware import S3StorageMiddleware

async def app(scope, receive, send):
    url_for = scope["asgi_s3"]["url_for"]
    await send(
        {
            "type": "http.response.start",
            "status": 200,
            "headers": [[b"content-type", b"text/html; charset=utf-8"]],
        }
    )
    html_content = f"""
    <!DOCTYPE html>
    <html>
    <head>
        <title>ASGI S3 example</title>
        <link rel="stylesheet" href="{url_for('style.css')}">
    </head>
    <body>
    Hello, world.
    </body>
    </html>
    """
    await send({"type": "http.response.body", "body": html_content.encode()})


app = S3StorageMiddleware(
    app,
    bucket_name="my-bucket",
    static_dir="path/to/static/files",
)

And here is an example using Starlette:

from starlette.applications import Starlette
from starlette.templating import Jinja2Templates

from asgi_s3.middleware import S3StorageMiddleware

templates = Jinja2Templates("templates")
app = Starlette()

@app.route("/")
def homepage(request):
    s3_url_for = request.scope["asgi_s3"]["s3_url_for"]
    return templates.TemplateResponse(
        "index.html", {"request": request, "s3_url_for": s3_url_for}
    )


app.add_middleware(
    S3StorageMiddleware,
    bucket_name="my-bucket",
    static_dir="path/to/static/files",
)

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