Questions tagged [flask]
Flask is a lightweight framework for developing web applications using Python.
flask
55,781
questions
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11
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Problems adding column to Superset User model (ab_user, Flask, Flask-Migrate)
I am trying to extend the user model in Apache/Superset and add that change to the migration folder. I want to add a new column called "solution_uuid" to the model.
I made my own fork of ...
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0
answers
11
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Website User Management for a python flask application hosted on a VPS
I'm 16 years old and building my first website, but I just encountered a problem that I have not been able to solve:
I have a python flask app as well as several HTML files that make up my website, ...
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0
answers
5
views
Flask swagger is not loading - flasgger
I have used flasgger to create Swagger UI for my flask application. On local it is working fine & swagger is loading properly but when I am running it on the server I am getting below error:
**...
0
votes
1
answer
27
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Stuck in handling incorrect input data on web app for model training
I am trying to add an exception feature in an ML project I am working on, I create a web app which accepts student performance data as a CSV file and then performs different machine learning ...
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0
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15
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Graphql or rest in RT chat in a spa running on flask and react?
I have a react app using flask backend. I have changed from rest to grapgql now for user reg, login, auto. Also posting services and for the feed to GET the posts. I am going to implement a one-to-one ...
- 11
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6
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How can I implement jwt in my next js app using next auth with google provider as the first step to connect to a flask api?
I'm creating a web application that needs to consume a flask API. Authentication is initially done using next auth, but I would like the web application to consume a service from a route from my flask ...
- 1
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22
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Flask html templates aren't working with HTMX
So I'm working on a web application in which I need a basic switcher between types of "posts". Now I have an html file with some templating in order to generate the basic structure, but when ...
- 11
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13
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How to implement real-time responses in a Flask-based chatbot with OpenAI Assistants API?
I have a basic chatbot that currently waits for the backend to fully process and generate a response before displaying it to the user. During this wait, the user sees a "Typing..." message. ...
- 1
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9
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Flask 405 when Pusher JS calls the auth route
I have Pusher Presence channels working fine on my local machine, with a Flask back end.
When I go live, however, it falls over, with Flask returning a 405. Locally there is a preflight call being ...
- 335
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33
views
How can I build my Flutter app to use Python for OpenCV and Numpy? [closed]
I'm developing a Flutter app for iOS that requires image processing using Python, specifically with OpenCV and NumPy. I'm facing several challenges and would appreciate guidance on the best approach:
...
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16
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Flask app searched result in route returns previous one
I can't handle it for a long time.
it returns previous search (test) in address - :5000/search/?key=test
(but query works - I get list)
header.html
<form method="POST" action="{{ ...
- 19
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27
views
Deployment Failed with error "ModuleNotFoundError: No module named 'urllib3.packages'" error?
I've been using AWS CodePipeline to execute a CI/CD pipeline. The 'build' stage performs correctly, which uses both the 'Dockerfile' and 'requirements.txt' files, whereas the 'deploy stage' utilizes ...
- 19
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0
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15
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How to resolve Internal server error in flask and summary not fetched error in a text summarizer application that I'm trying to build?
I'm building a simple text summarizer using HTML , CSS and Flask. It is a simple web application that I'm trying to build, it should give summary when .txt file is uploaded but I'm getting internal ...
- 1
0
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1
answer
30
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How to launch a flask application with a domain name on a computer? [closed]
I have this simple flask application that I want to deploy. I want to use my own computer as the application's server and I want to give it a domain name. Please give me step by step instructions on ...
- 1
-6
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0
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34
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Sending Lists values in a post request from HTML/JS to bckend(python) [closed]
English is not my first language , so escuse my grammer mistakes :)
its my first time workung with JS , i will start by showing the tables in the database and then explain the problem so hopefully any ...
1
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0
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15
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Can't recognize audio file in Flask backend
I am having difficulty processing an audio blob I am sending to a Flask backend. I want to process the blob into a mel-spectrogram using librosa/pydub, but I get the following errors:
ERROR:root:...
- 150
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30
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flask application running on docker container cannot access Chromadb running on a seperate docker container
enter image description here
Hello So I have two docker containers running as shown in the image... One is a Chromadb for vector search and the other one is a flask backend for RAG chatbot.
Here is a ...
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1
answer
23
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Why my nlp model reload many times when processing question?
After receiving question, my program calls the run_predict function then finds the best paragraph match with the question.
After that, my model is constantly reloaded without knowing the reasons.
from ...
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0
answers
10
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ModuleNotFoundError raised using flask run command but not in vscode debug
I have a flask app, the structure tree is like:
./backend
│ .ENV
│ Config.py
│ run.py
│
├───app
│ ├───Main
│ │ routes.py
│ │ __init__.py
│ ├───Models
│ │ db.py
│ │
│ ...
- 39
0
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1
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21
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Handling Flask WTForms Validation errors inside a bootstrap modal
I have dashboard endpoint where the user can view,edit,delete a campaign/form.
<button hx-get="{{ url_for('campaign_action' , campaign_id=campaign.id , username=username) }}"
...
- 47
0
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1
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20
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Flask web app redirects to login page instead of dashboard after successful authentication to an external website
I am making a Flask web application that clones a login page of a website and sending post request to authenticate to the original website. The request is made using session so to be able to preserve ...
- 41
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23
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Waitress as a production WSGI server
What are the benefits of using Waitress as a WSGI server instead of running Flask directly? For instance, can it spawn multiple processes to leverage multiple CPU cores for handling incoming requests?
- 118
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62
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How to Solve AWS Elastic Beanstalk Deployment Error: "Failed to deploy application"?
I'm encountering persistent deployment errors on AWS Elastic Beanstalk and codePipeline, and I need some assistance to diagnose and resolve the issue. The error message I receive is:
Deployment ...
0
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0
answers
19
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flask url not showing in command line on importing zowe modules
I'm working on a Flask application which uses Zowe SDK to submit mainframe batch job & download o/p dataset.
I'm importing below modules.
from zowe.zos_jobs_for_zowe_sdk import Jobs
from zowe....
- 67
-2
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0
answers
33
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nothing is showing on my webpage when i run my flask program
Im a new coder and i dont know why even though there are no errors, nothing is appearing on my web browser! I am currently trying to create a program which can iterate through different pdf files and ...
- 1
0
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1
answer
42
views
Unable to type texts to chatbot user input
Description
I am trying to add a chatbot for the backtesting platform built with Flask and there is a button on the right side that toggles the sidebar. If the user clicks the button, it shows the ...
- 49
0
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0
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15
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Can Gunicorn allow error http status codes through from Flask app?
I have a Flask API app that returns some JSON with http status code set to 422.
Example
def post(self, current_user, data):
return {
"success": False,
"message": "...
- 600
0
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21
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Is there a way to get input data from a search bar in my flask navbar
I am trying to create a weather app where you search the name of a city in the search bar located in the navbar. I am using a context processor, but every time, it returns None.
I've tried this:
@app....
-4
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0
answers
32
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RuntimeError with python script [closed]
I'm running into a runtime error. I'm working on a backend development and im trying to connect postgres and with my webiste but I keep running into migrate errors.
Ive tried to delete the migrate ...
0
votes
1
answer
25
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Flask "error": "415 Unsupported Media Type: Did not attempt to load JSON data because the request Content-Type was not 'application/json'."
I am building a backend for my react app using flask. Using an openai api to generate cover letters from submitted form data.
from flask import Flask, request, jsonify
from flask_cors import CORS
...
- 1
-2
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0
answers
18
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How to execute python code by the click of a HTML button and what are the security issues? [closed]
I have an add a new prediction button and want users to be able to click on the button and upload a csv and then pick a machine learning model (with its associated python code) and then have it output ...
0
votes
1
answer
39
views
Flask-Migrate: Run "flask db init" fail
sI am trying to use Flask-Migrate in my Flask project but I faced an error.
I installed Flask-Migrate and add needed code, but when I run "flask db init", It cannot find my database models ...
- 21
0
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0
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18
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Session not persisting between Flask and SocketIO
I have been trying to build a real-time app, but unfortunately, I am not able to work around session management in SocketIO. I will not be pasting my original code; instead, I wrote the code below to ...
0
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0
answers
7
views
Apache2 Basic Authentication doesn't work in Flask app
I tried implementing the basic authentication in Apache on my Flask app. I did it via the host config, but the authentication popup is not showing up, it just works like normal.
<VirtualHost *:80&...
- 1,385
2
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0
answers
31
views
flask docker container http request gives 404 error
I tried using flask with docker. I can run my container without errors but when i tried to connect to it on the browser i get 404 not found error:
Browser error
And my container console:
container ...
0
votes
1
answer
30
views
What do I do with the YAML file when deploying my Flask application?
I'm pretty new to python and Flask development. I'm primarily a frontend JavaScript/React developer.
I am building a tool that uses the Google Ads api, and their documentation had me create a yaml ...
0
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0
answers
20
views
Python Serverless Function exceeds the unzipped maximum size of 250 MB (Vercel)
I am attempting to deploy my NextJS/Flask application to Vercel, but I keep encountering an error stating "A Serverless Function has exceeded the unzipped maximum size of 250 MB."
This error ...
0
votes
1
answer
17
views
Flask One Dictory Pyinstaller App on Windows showing internall
I want to build and run a one-directory py installer Flask app on Windows and leverage preview for rendering. The data should all come from the One directory folder with the app next to it. When I ...
- 196
0
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0
answers
19
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Link device's gyroscopic orientation with that of 3d model on web
I am trying to build a model rocket that uses an old phone for reading gyroscopic data using a webapp (Flask and flask-socketIO). the "rocket phone" goes to /rocket and sends gyroscope data ...
-2
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0
answers
15
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I need help in explaing Outline Steps to make a website with a model Deployment With Python and YOLO [closed]
I want to make a website that will take a photo from a user and detect hummans and remove background by YOLO and return the photo but i dont know how to connect the model with the website ?
do it by ...
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0
answers
18
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I am unable to host flask applications
I am confused with hosting flask application. I am a student and I can only prefer the free hosting websites. also please suggest any good easy to host websites too (free).
I use to use vercel, but i ...
0
votes
1
answer
28
views
Why is my Flask app not running at all on any port and any IP?
I have just deployed Flask on my free tier AWS EC2 instance. My main.py basic app runs just fine in the terminal, in the virtual environment that I created.
main.py
from flask import Flask
app = ...
- 3
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0
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15
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Flask app builder extend base model and add extra column to it
I want to know how I can extend flask app builder base models. Example I have User model in flask_appbuilder/security/sqla
class User(Model):
__tablename__ = "ab_user"
id = Column(...
- 1,140
-4
votes
0
answers
19
views
My navbar is as simple as ABC and keeps returning URL not found [closed]
<div class="header">
<nav>
<div class="nav-links">
<a href="#home.html">Home</a>
<a href="...
0
votes
1
answer
35
views
Fetch failure in Flask app/IIS with large uploads
I have a Flask app running on a Windows server using IIS as a reverse proxy to a Waitress app server. It sits behind my organization's F5 local traffic manager. A key function of the app is handling ...
0
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0
answers
15
views
Deploying Vercel Python app, but still returning 404 error
Trying to deploy my application to Vercel, but its giving a
404: NOT_FOUND
Code: NOT_FOUND
Here is my vercel.json:
{
"version": 2,
"builds": [
{
"...
-1
votes
1
answer
35
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Why is this error showing up when using the same number of placeholders and values? [duplicate]
"error":"more placeholders (?, ?, ?, ?) than values (6383000, 'Egg', 1, '2024-07-13 15:29:58')","success":false}
If item and quantity:
db.execute("INSERT INTO ...
0
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0
answers
29
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Issue with running flask as a new process through a customtkinter GUI
My GUI lets the user play a crossword online using Flask. When it is used as a package and initialised through an executable (like the one defined in a setup.py in the entry points), it works fine. ...
- 51
0
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0
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18
views
How to add extra column in Role model in apache superset
I am trying to extend Role model of apache superset and add channel_id as extra column. I have done it through superset_config.py and it looks like this.
import flask_appbuilder.const as c
import ...
- 1,140
0
votes
1
answer
22
views
Request on a local server with Expo App is failing
i'm having a little truble here
I created a Flask server running on my personal computer at IP 192.168.1.3:5000, and by itself, it works very well. I tested the requests using Insomnia and through the ...
- 107