1 import os

2

3 import flask

4 import google.cloud.storage

5 from html3.html3 import HTML

6

7 app = flask.Flask(__name__)

8

9 GCS_CLIENT = google.cloud.storage.Client()

10 GCS_BUCKET = GCS_CLIENT.get_bucket(os.environ.get("GCS_BUCKET"))

11

12 @app.route("/")

13 def index():

14 return flask.redirect(flask.url_for("file_serve", filename="index.html"))

15

16

17 @app.route("/<filename>")

18 def file_serve(filename):

19 file_blob = GCS_BUCKET.get_blob(f"cs/{filename}")

20 if not file_blob:

21 flask.abort(404)

22

23 return flask.send_file(file_blob.open("rb"), download_name=filename)