Questions tagged [flask]
Flask is a micro-framework for Python based on Werkzeug, Jinja 2 and good intentions.
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Inserting data from client-side to MySQL via Flask-Sqlalchemy
I am creating a Bill of Materials (BOM) web app with flask as a backend. As a part of this app I am inserting data into BomStructure table from ...
4
votes
1answer
55 views
9X9 Tic Tac Toe variant with frontend in react and backend in python flask_socketio
I (a junior back-end Java dev) decided I wanted to learn some front-end development skills; in particular, I wanted experience with React and websockets. I decided to write an app that would allow for ...
4
votes
0answers
69 views
Potential Security Threats With Custom Login
I'm looking to find what security flaws this code might have. I believe it's immune to time attacks, passwords are stored encrypted, and I'm using sessions to store local data.
Let's assume the ...
2
votes
0answers
35 views
Six Nations Prediction league Web App
I built a simple web app to manage my friends and I's six nation prediction league. This is my first go at web development so although it works I am guessing that I am not following all best practices ...
3
votes
1answer
34 views
A storage bin thingy for Repl.it projects
I have a Repl.it account that I use for my projects, and I don't really want to make a new api for storage every time, I've seen some like EasyDB and Jsonstore (I use Jsonstore in the background as ...
3
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0answers
132 views
Is this a good way to process SQLAlchemy's uniqueness constraint violation in Flask?
I'm using Flask along with Flask-SQLAlchemy and Flask-WTF.
I have a model:
...
2
votes
1answer
28 views
Jinja2 block that is unreadable [closed]
I have a block of Jinja2 (used in Sceptre/CloudFormation). It is not readable in my opinion, but I can't find any way to clean it up to improve it.
...
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vote
0answers
121 views
Anything Wrong with This Method of API Versioning Using Flask?
I'm trying to find a sensible way to structure a REST API written in Flask. I'm new to writing such things and I've not seen this structure used anywhere else, so before I continue I wanted to ask ...
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1answer
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what is the correct way to write an endpoint?
Here is a rather large endpoint that I have written in Python using Flask and SQLAlchemy, I was wondering if there are any tips I could get.
The endpoint takes a post request which contains specific ...
5
votes
0answers
136 views
Docker-compose for task-based Flask API with Redis and rq
I am not a Docker guru or expert in Flask or Redis. However, I need to leverage these technologies. I managed to cobble something together that works and would like to submit it for review.
The MWE ...
0
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0answers
29 views
buying stock module - nonlocal vs global variable or others? [duplicate]
[Background explain]
I wrote three Flask views and module interact with the views. I do this one module called /buy using different scenario cases based on flag.
Zero view if user come in GET, ...
6
votes
1answer
77 views
Flask application for buying stocks
I wrote three Flask views below.
First view
input stock code
Second view
get the stock details (name, price) of the stock by using 3rd party api
get the balance cash of DB and show to the view ...
7
votes
3answers
106 views
Blog with Python/Flask
I've written a blog site using python and Flask. It works a little like Reddit, but instead of having some anonymous users, ...
6
votes
1answer
383 views
Python/Flask Password Manager
As a project to better my skills in Python, I wrote a password manager. It's a website that has user login/logout functionality, the ability to add websites and passwords, and displays the websites/...
3
votes
0answers
73 views
Sending push notifications to a user
I have a function whose responsibility is to send a push notification to a user. I call this function from a view in flask framework.
I have read multiple articles around refactoring and good designs ...
4
votes
0answers
38 views
Form deserializer for Python Flask
I've started working on a small Flask project for no real reason other than fun, and pulled myself back on form validation. I realize that there are existing libraries like WTForms, but wanted to try ...
4
votes
1answer
58 views
Account automation through Python (with Flask) and javascript
This is my first time doing a code review so I expect a ton of criticism on this from all you professionals.
What am I doing?
I'm using python with flask to create a service for my web server. My ...
2
votes
1answer
38 views
REST API stored in a MongoDB Atlas Database
I am building my first REST API using data stored in my MongoDB Atlas Database. I tried to read the REST API conventions with the versioning, using plural nouns for resources and sending the right ...
1
vote
0answers
27 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
444 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
441 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 ...
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votes
0answers
110 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
2answers
2k 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 ...
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vote
0answers
719 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
128 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 ...
4
votes
1answer
94 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
330 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 ...
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vote
0answers
22 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
847 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
221 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 ...
4
votes
0answers
2k 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 ...
12
votes
2answers
3k 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
997 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
1k 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
327 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
280 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
300 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
364 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
581 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
761 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 ...
22
votes
1answer
345 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
52 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
127 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
236 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
146 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 ...
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vote
0answers
374 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 ...
7
votes
1answer
339 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
338 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, ...
