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from flask import Flask | |
from flask.ext.sqlalchemy import SQLAlchemy | |
app = Flask(__name__) | |
app.config['SQLALCHEMY_DATABASE_URI'] = 'sqlite://' ## Just keep it in memory. | |
db = SQLAlchemy(app) | |
class User(db.Model): | |
__tablename__ = 'user' |
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""" | |
Taken from: https://gist.github.com/1094140 | |
""" | |
from functools import wraps | |
from flask import request, current_app | |
def jsonp(func): | |
"""Wraps JSONified output for JSONP requests.""" |
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Okay so here's the setup: | |
[-] The primary server API is exposed via Flask (Python) and all static files, including all html, css, js is served by nginx. | |
[-] Python is exposing an API at url http://domain.com/api/download/<file_id>, where file_id is a database id for the file that we're interested in downloading. | |
1. User wants to download a file, so we spawn a new window with the url '/api/download/<file_id>' | |
2. Nginx intercepts the request, sees that it starts with /api/, and then forwards the request to Flask, which is being served on port 5000. | |
3. Flask routes the request to its download method, retrieves the pertinent data from the file_id, and constructs additional header settings to make nginx happy and to force the browser to see the file stream as a download request instead of the browser just trying to open the file in a new window. Flask then returns the modified header stream to nginx | |
4. Nginx is finally ready to do some work. While parsing the headers for the incoming request, it encounters "X |