Flask中提供静态文件的实例讲解

from flask import Flask, request, send_from_directory
 
# set the project root directory as the static folder, you can set others.
app = Flask(__name__, static_url_path="")
 
@app.route("/js/<path:path>")
def send_js(path):
    return send_from_directory("js", path)
 
if __name__ == "__main__":
    app.run()

import os.path

from flask import Flask, Response


app = Flask(__name__)
app.config.from_object(__name__)


def root_dir():  # pragma: no cover
    return os.path.abspath(os.path.dirname(__file__))


def get_file(filename):  # pragma: no cover
    try:
        src = os.path.join(root_dir(), filename)
        # Figure out how flask returns static files
        # Tried:
        # - render_template
        # - send_file
        # This should not be so non-obvious
        return open(src).read()
    except IOError as exc:
        return str(exc)


@app.route("/", methods=["GET"])
def metrics():  # pragma: no cover
    content = get_file("jenkins_analytics.html")
    return Response(content, mimetype="text/html")


@app.route("/", defaults={"path": ""})
@app.route("/<path:path>")
def get_resource(path):  # pragma: no cover
    mimetypes = {
        ".css": "text/css",
        ".html": "text/html",
        ".js": "application/javascript",
    }
    complete_path = os.path.join(root_dir(), path)
    ext = os.path.splitext(path)[1]
    mimetype = mimetypes.get(ext, "text/html")
    content = get_file(complete_path)
    return Response(content, mimetype=mimetype)


if __name__ == "__main__":  # pragma: no cover
    app.run(port=80)