Solution: Create a Dynamic Route for Pet Details
Explore how to create dynamic routes in Flask that display detailed pet information. Understand handling route parameters, using Flask's abort function for error handling, and integrating Jinja templates for dynamic content presentation in web applications.
We'll cover the following...
We'll cover the following...
The complete implementation of the problem is provided below. Let’s take a look at it!
Solution #
"""Flask Application for Paws Rescue Center."""
from flask import Flask, render_template, abort
app = Flask(__name__)
"""Information regarding the Pets in the System."""
pets = [
{"id": 1, "name": "Nelly", "age": "5 weeks", "bio": "I am a tiny kitten rescued by the good people at Paws Rescue Center. I love squeaky toys and cuddles."},
{"id": 2, "name": "Yuki", "age": "8 months", "bio": "I am a handsome gentle-cat. I like to dress up in bow ties."},
{"id": 3, "name": "Basker", "age": "1 year", "bio": "I love barking. But, I love my friends more."},
{"id": 4, "name": "Mr. Furrkins", "age": "5 years", "bio": "Probably napping."},
]
@app.route("/")
def homepage():
"""View function for Home Page."""
return render_template("home.html", pets = pets)
@app.route("/about")
def about():
"""View function for About Page."""
return render_template("about.html")
@app.route("/details/<int:pet_id>")
def pet_details(pet_id):
"""View function for Showing Details of Each Pet."""
pet = next((pet for pet in pets if pet["id"] == pet_id), None)
if pet is None:
abort(404, description="No Pet was Found with the given ID")
return render_template("details.html", pet = pet)
if __name__ == "__main__":
app.run(debug=True, host="0.0.0.0", port=3000)
Explanation
Let’s take a look at how we solved this problem.
Modifications in app.py
- We created a new view function called
pet_detailsin line 25. - In line 24, we can see that the