Advertisements sorry if this question is a little basic or doesn’t properly explain the problem, I’m fine to answer any questions if I haven’t explained well enough. It’s my first time using HTML and I’m working with a pre-given program I don’t fully understand. I have a python program, app.py, here which is reading a… Read More How do I display a Python list as seperate lines on a HTML page?
Advertisements I’m trying to display an image that is stored in a LONGBLOB column in a MySQL database, using Flask: app.py: @app.route(‘/get_image’, methods=[‘GET’]) def get_image(): args = request.args image_id = args.get(‘image_id’) image = # code for getting image blob from database return send_file(image, mimetype=’image/png’) HTML code: <img src="http://127.0.0.1:5000/get_image?image_id=1"/> When a request for the image is… Read More Python Flask, display an image stored as a binary blob in MySQL database
Advertisements Why flask’s uploaded file byte length is shorter than what it is actually? I’m seeing same behavior for several images. from flask import Flask app = Flask(__name__) @app.route(‘/’, methods=[‘GET’, ‘POST’]) def home(): if request.method == ‘POST’: f = file.read() print(len(f)) # 45825 However, f = skimage.io.imread(‘file.jpg’) len(f.tobytes()) # 1102080 >Solution : When you upload… Read More Flask uploaded file size is not correct
Advertisements How to Build a Relevant Auto Generating Tags Recommendation Model in Python One of the most important features of any blog or website is its ability to recommend relevant tags to users. This not only helps users find related content easily, but it also improves the overall user experience. In this blog post, we’ll… Read More How to build relevant auto generating tags recommendation model in python
Advertisements I’m implementing an API (proxy) that accepts incoming JSON POST data in Flask. I need to process this JSON and after that send it on to a backend API, which was written in another language. The JSON data will be sent by end-users, and they are used to sending this JSON data case-insensitive. This… Read More Get json data from incoming Flask request.json case insensitive
Advertisements I don’t know why, but I don’t like decorators. Can I use def load_user(): if "user_id" in session: g.user = db.session.get(session["user_id"]) app.before_request(load_user) instead of @app.before_request def load_user(): if "user_id" in session: g.user = db.session.get(session["user_id"]) ? >Solution : A decorator returns a new function, which the @decorator syntax assigns to the function being defined. Without… Read More Is it possible not to use Flask decorators?
Advertisements Here is a MRE. templates/index.html: <!DOCTYPE html> <html> <head> <title>Flask App</title> </head> <body> {{test}} {% if test %}lol{% endif %} </body> </html> my_test.py: from flask import Flask, render_template app = Flask(__name__) @app.route("/") def index(): return render_template("index.html", test=True) if __name__ == "__main__": # local run app.run() This works perfectly. However, when using the .format syntax,… Read More flask and Jinja2 control structure doesn't work with render_template.format but works when passing the variable directly
Advertisements I’m trying to make a form that looks like an exam page. I have a checkbox and a submit button, the submit button when clicked does not do anything. The HTML code in exam.html {% extends ‘layout.html’ %} {% block content %} <h3 class="pt-5 p-4">exam page</h3> <div class="form"> <fieldset class="form-group"> <form method="POST" action="/" class="m-3">… Read More Flask form not validating on submit
Advertisements I have a JSON file : { "id":"xyz", "word":"this is word", "formats":[ { "formatId":"xz99", "pengeluaran":"pengeluaran_1", }, { "formatId":"xy100", "pengeluaran":"pengeluaran_2", }, { "ukuran":451563, "formatId":"xy101", "pengeluaran":"pengeluaran_1", }, } in my python.py files, i want to filtering out the JSON object only contain "ukuran" as a key , my expected to getting result like this : {… Read More How to filtering out json object contain certain key in FLASK?
Advertisements I am aware of Flask’s redirect(<URL>) function that I can use inside routes. But I have dozens of URLs that I need to redirect to a different website. I was wondering if there is a way I can implement redirects without writing multiple redirect(<URL>) statements across many blueprints and routes. I was wondering if… Read More Python Flask: How to implement multiple URL redirects in bulk?