Questions tagged [flask]
Flask is a micro-framework for Python based on Werkzeug, Jinja 2 and good intentions.
1
vote
0answers
26 views
Safely log-in and save login info into session [closed]
I would like to ask if this code is safe for user to log-in (save ID to session) and check if user is log-in when visiting site (Dashboard).
...
5
votes
1answer
260 views
Authenticating an internal API with Flask
I'm developing an internal API using Flask, although due to limitations with our platform the endpoints will be accessible over the public internet. It will only have a very small number of users and ...
2
votes
0answers
84 views
Generate dynamic surveys using Python Flask
I'm building a web app using Flask to offer surveys to users. The number of questions on the survey and the type of questions isn't known until runtime. I finally have the code working properly, and ...
0
votes
0answers
28 views
Dynamically configurable ZMQ filter with Flask API
I have a stream of ZMQ messages, I need to filter the right ones and save them in MongoDB. The trick is to have an option to set the filter conditions dynamically.
I have come up with this solution ...
0
votes
0answers
33 views
Flask database design for a social media site like Twitter
This is a mysql database that is created through sqlalchemy. I really don't want to rewrite all of it in sql code, but the code should be understandable if you know a tiny bit of MySQL.
I am ...
0
votes
2answers
372 views
Simple web based file browser with Flask
I made a simple web-based file browser with Flask. It also shows some metadata of a file. I have a few questions regarding security though. Is it possible for an attacker to escape out of the preset ...
1
vote
0answers
260 views
Flask app for control TCP server
This snippet allows to up and down TCP server via Flask endpoints. I'm seriously concerned about global variables here. And asking for review this code.
The main idea is to be able to up/down TCP ...
2
votes
0answers
55 views
Flask app to administrate network interfaces
I made a Flask app that consists of 3 pages.
Index: Indexes to the 2 pages
SubnetOverview: SSH's into the server and executes ifconfig, then returns the output to ...
3
votes
1answer
74 views
Python Flask website
I'm new to programming and in back-end. Right now I'm trying to learn flask, so I wrote a very simple website that currently encrypts and decrypts the message using RSA and DES.
I feel like my app....
1
vote
1answer
92 views
Expiring JWT tokens in Flask
I've been using flask-jwt-extended for my application and one of the problems I had was logging a session out and making sure the token is not usable anymore.
I've ...
1
vote
0answers
20 views
Deletion button on a website that enforces database integrity
I am designing a website on which users can configure (CRUD) various objects which are mutually dependent upon other types. I am preventing a cascade delete, so let's say a ...
2
votes
0answers
393 views
Flask-PyMongo best practices to manage a mongodb database using python
The functions below are from a class of slave function which interact with my mongo database. The purpose is to serve a Flask based API by responding with the appropriate data required along with the ...
2
votes
0answers
156 views
Wrapping a web scraper in a RESTful API
The problem I am looking to solve is wrapping a web scraper in a RESTful API such that it can be called programmatically from another application, frontend or microservice. The overall goal is that ...
0
votes
0answers
57 views
Flask models for scores and statistics
I'm not sure whether I need to group a bunch of related methods in a single class or put them in a separate module. Which way would be preferable in Python?
Here is what I've got so far but not sure ...
3
votes
0answers
879 views
REST API with flask structure and implementation approach
I recently started writing REST API, I wanted to have a proper structure of project and an approach which is more readable and make more sense interms of organising in a logical order. I took ...
11
votes
2answers
1k views
A website status monitor in Python/Flask
I've written a basic website status checker in Python/Flask which reads a list of URLs from a json file and cycles through them every x seconds to check they're online. It displays the results as a ...
6
votes
2answers
552 views
A simple library using Flask and SQLAlchemy
This is the main.py script that does most of the work of Adding movies (Movie objects) as well as modifying and removing:
...
3
votes
1answer
862 views
Slow Flask-SQLAlchemy query using association tables
I have two models in Flask-SQLAlchemy (Post and Comment) that have many-to-many relationship that is manifested in the third model (post_mentions):
...
8
votes
1answer
225 views
Python function to implement an image-processing pipeline
I have written the following function to process images. Now I am not sure if it's pythonic or considered as spaghetti code. I know being flat is better than nested, but I don't see a way around it.
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3
votes
0answers
217 views
Flask-SQLAlchemy model structure
I'm seeking a review of my Flask-SQLAlchemy model structure, particularly adherence to DB best practices, such as avoiding duplication, etc.
The models represent the relations between Departments, ...
5
votes
1answer
293 views
Flask Framework - user sign in
These functions are more or less the same. They are doing the sign in process for a flask application. A user is retrieved from a database (identified through email address) and the password is ...
6
votes
1answer
230 views
PyFladesk Migration
I wanted to contribute to the PyFladesk project. The objective is to have a function that receives a Flask's app and embeds it in a Qt desktop app.
I've already create a Pull Request on the main ...
4
votes
1answer
367 views
Flask web application, with handling for user login status
I am trying to change some variable in base html-template which other html pages inherite from after entering user in personal account.
The idea is as follows:
there is base html template and there ...
3
votes
2answers
652 views
Conditionally inserting MySQL entries in a Flask app
I am a newbie in back-end developing. I know that the biggest part of back-end development is interaction with database.
I established a connection and the code is 100% working, but I am wondering if ...
19
votes
1answer
283 views
Raspberry PI controllable Christmas Tree
After having the scales, thermometer and a coffeemaker connected to the internet, it is finally time for Christmas Tree to become smarter.
Hardware
6ft Christmas Tree
An addressable WS2811 LED strip ...
3
votes
1answer
50 views
Handling Many Unexpected States with except
I am creating a server with Flask and it has quite a few routes. Most routes require a specific state, such as "logged in" or "process started". All of my functions and methods in packages will throw ...
2
votes
0answers
119 views
Flask WebServer To Test Login
I wrote a small webserver using flask and python to test the response of a program. When the user try to login the program sends to the server a xml file with the data and if everything works, returns ...
4
votes
2answers
210 views
Kik bot made using Flask
I created a Kik messenger bot using Flask microframework and python that accepts POST requests on the provided webhook and then responds appropriately. I have excluded custom module imports because ...
0
votes
1answer
132 views
Creating a proper workflow through version control and a Makefile
disclaimer: I've posted this around but the question keeps being put on hold for being inherently opinionated which I understand, just looking for some vague direction as to how a more experienced ...
1
vote
0answers
305 views
Log visitor info like latitude, longitude to a database
I am collecting each visitor information like ip, lat, longitude, referrer and language and save it into db, then in db I have column in table with counter that increment if user revisits the web site ...
6
votes
1answer
327 views
Getting prices of crypto coins
I have been working on this Raspberry Pi project for a while. It uses the Poloniex API to get prices of crypto coins and it shows the prices on multiple OLED displays. The displays use different i2c ...
4
votes
1answer
301 views
Fetching Python news headlines for Alexa
I've recently added a custom Alexa Flask Briefing skill that calls an API endpoint which scrapes top news headlines from the Planet Python RSS feed.
It works - whenever you ask Alexa about the news, ...
1
vote
1answer
110 views
Refresh webpage on change in folder
I want to refresh my web page every time a file is uploaded to the folder.
I have a web service written in flask having the following handler
...
5
votes
0answers
56 views
Building a form for rebooting many network devices
I have several IP based devices that, due to building maintenance, occasionally lose their communication with the other devices. Normally you'd have to find the device IP, go to its control page and ...
1
vote
0answers
37 views
API separate request vs logic
Is it a good practice to separate Logic from Request controller in an Api ?
Without separation:
...
7
votes
0answers
1k views
Flask view dependency injection
so, first of all, I've been into trying to have a simple dependency container as possible in python and with your help managed to get conceive https://github.com/dareenzo/tinydic, many thanks.
Now, I ...
8
votes
2answers
244 views
Trending Machine Learning topics for Alexa
I've created a small Flash Briefing Alexa skill that reports the top 5 trending topics in Machine Learning from the My Bridge service.
The feed for the Flash Briefing skill can be pointed to an ...
2
votes
0answers
110 views
REST backend app script for doing CRUD transactions
As a side project, I am working on Tiddly which is a simple Python(Flask) based app for a generic REST backend that could be used for CRUD transactions on any kind of database (using ...
3
votes
0answers
225 views
My live monitoring web app (Flask, guicorne, heroku, and redis) is spamming the source website
As a student, I am working on a project where I need to forward data from an already existing website to a new one, with the data presented in a different manner.
In order to do so with my mediocre ...
3
votes
0answers
626 views
Compressed static file serving in flask
Flask comes with built-in static file serving, but compression support is completely missing. I think the way whitenoise implements it and compress files during builds. The following should serve the ...
1
vote
1answer
552 views
GET and POST with Flask - optimum performance
I have this code to POST and save a digest to redis, and retrieve it from redis on a GET. This uses Python and Flask, of course.
...
7
votes
1answer
183 views
Python Flask webserver with small features
With the latest of my projects, I started using Visual Studio Code, which allows for Python linting and also checking for poor practices, such as using over 100 characters in a single line. As you ...
7
votes
1answer
779 views
Saving temporary file for plotting audio waveform
I am developing a web application in Flask - Python.
My goal is to let the user upload an mp3/wav file. This file will (for the scope of this question) get processed by the server and a picture ...
1
vote
1answer
165 views
Models in a Simple PyMongo-based Blogging Web App without ORM/ODM
I am currently using PyMongo + Flask for building a simple blogging application. I am not using any kind of ODM, instead I decided to use PyMongo directly. I need to know how to improve my code since ...
1
vote
0answers
617 views
Python - Flask Middleware - Request Session Management Strategy
I am trying to determine what the most appropriate strategy for session management and authentication is for a middleware application which acts to receive a request, send it over to a database, and ...
4
votes
1answer
128 views
Flask Database Model Design
I am developing my first website in Flask using PostgreSQL and I want my database to have professors from all universities and courses in the USA.
As I am not very familiar with databases I have ...
0
votes
1answer
531 views
How to optimize the Flask RestFul api
The tutorial is here
I want to build a RestFul API with Flask to query User Agent data. Curl script shows below. The api should work with three or two or one or even zero argument.
So how to change ...
6
votes
1answer
180 views
Simple Flask API backend to maintain a word list
I made a little toy project last semester. I would like to get some insights about my code, particularly the part of handling the database. It is a CRUD kind of traditional API.
...
3
votes
0answers
713 views
Flask site that uses x-editable to edit elements and update mysql db
This code is built in flask, it allows a user to edit a title and a description of a div.
I have used the X-editable library which allows a user to edit text and use ajax requests.
I also process ...
5
votes
2answers
810 views
RESTful APIs (Create, Read) with flask-restful
I wrote this simple API to be able to send logs from the client to MongoDB. Even though this works and fits my need, I would like to point out some concerns that I have regarding the following:
Is ...
