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Python Flask with SQLAlchemy Basics Connecting to a Database with SQLAlchemy Working with a Plant Database

Danielle Murray
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.a{fill-rule:evenodd;}techdegree
Danielle Murray
Python Development Techdegree Student 4,948 Points

Please can you help me i've been stuck on this challenge after countless changes.

I keep getting the error message - Bummer: Gather all your plants and pass them into render_template after the template filename.

app.py
from models import db, Plant, app
from flask import render_template, url_for, request, redirect


@app.route('/')
def index()
    plants = Plant.query.all()
    return render_template(plants=plants)


@app.route('/form', methods=['GET', 'POST'])
def form():
    if request.form:
        new_plant =Plant(plant_type=request.form['type'], plant_status=request.form['status']) 
        db.add(new_plant)
        db.commit()
        return redirect(url_for('index'))
    return render_template('form.html',)


if __name__ == '__main__':
    app.run(host='0.0.0.0', port=8000)
models.py
from flask import Flask
from flask_sqlalchemy import SQLAlchemy


app = Flask(__name__)
app.config['SQLALCHEMY_DATABASE_URI'] = 'sqlite:///plants.db'
db = SQLAlchemy(app)

class Plant(db.Model):
    id = db.Column(db.Integer, primary_key=True)
    plant_type = db.Column(db.String())
    plant_status = db.Column(db.String())
form.html
{% extends 'layout.html' %}

{% block content %}
    <form action="{{ url_form('form') }}" method="POST">
        <label for="type">Plant Type:</label>
        <input type="text" name="type" id="type" placeholder="Plant type">

        <p>Plant Status:</p>
        <label for="good">GOOD</label>
        <input type="radio" name="status" id="good">
        <label for="ok">OK</label>
        <input type="radio" name="status" id="ok">
        <label for="bad">BAD</label>
        <input type="radio" name="status" id="bad">
    </form>
{% endblock %}
index.html
{% extends 'layout.html' %}

{% block content %}
    <h1>Our Plants:</h1>
    <div>
        <h2>Plant Type</h2>
        <p>Plant Status</p>
    </div>
{% endblock %}

1 Answer

Chris Freeman
MOD
Chris Freeman
Treehouse Moderator 67,778 Points

Hey Danielle Murray, you’re spot on! … but with one omission.

Using the render_template function requires a template name as the first argument. The plants argument is perfect.

:point_right: add ”index.html” as the first argument to render_template in the index() function.

Post back if you need more help. Good luck!!!