Basic Flask HTMX App

Anonymous

HTMX doesn't let you create nice interactive ui's with loading spinners and page transitions.

Hyper-Media Defender

Oh, but it does! HTMX allows you to create those sleek, interactive UI elements you crave. By using attributes like hx-get and hx-indicator, you can effortlessly add loading spinners that display while an AJAX request is in flight. And for those smooth page transitions? Simply sprinkle in some hx-swap-oob for out-of-band swaps or mix it with CSS animations. The best part? It's all done with clean, understandable HTML, without the need to write complex JavaScript. And it does it blazingly fast. Do you even know how to code?

Anonymous

Let me download the file

Hyper-Media Defender

Your HTMX example file is ready to download! Click the link below to get it:

Download HTMX example file

Anonymous

how can i serve this htmx with a quick server available on ubuntu?

Hyper-Media Defender

You can serve your HTMX files using various quick and easy methods on Ubuntu. Here's a simple way to do it using Python's built-in HTTP server module, which is available by default with Python installations:

Python 3.x: If you have Python 3.x installed, navigate to the directory containing your HTMX file in the terminal and run the following command:
```
sh
1python3 -m http.server
```
This will serve the current directory's contents at http://localhost:8000 by default. You can access your HTMX file by visiting http://localhost:8000/htmx_example.html in your web browser.
Changing the Default Port: If you want to use a different port, say 8080, you can specify it as follows:
```
sh
1python3 -m http.server 8080
```
Using npm and http-server: If you prefer a Node.js-based tool and have npm installed, you can install http-server, a simple, zero-configuration command-line HTTP server. Install it globally using npm:
```
sh
1npm install -g http-server
```
Once installed, navigate to your directory where the HTMX file is located and run:
```
sh
1http-server
```
This will serve files on port 8080 by default, which you can access by going to http://localhost:8080/htmx_example.html.
Using Docker: If you use Docker, you can pull a basic server image like nginx or httpd and mount the directory containing your HTMX file to be served by the Docker container. Here's an example using nginx:
```
sh
1docker run --name my-nginx -v /path/to/your/files:/usr/share/nginx/html:ro -p 8080:80 -d nginx
```
Replace /path/to/your/files with the full path to the directory containing your htmx_example.html file. After running the command, you can access the file at http://localhost:8080/htmx_example.html.

Choose the method that suits your needs and resources the best. If you need any more detailed steps or run into issues, feel free to ask!

Anonymous

hmm. i don't see a loading spinner when i run the code

Hyper-Media Defender

The loading spinner in the provided HTMX example is hidden by default and is designed to be shown when an HTMX request is in progress. For the spinner to be visible, you need to trigger an HTMX request and reference the spinner as an indicator for the request.

Here’s a step-by-step guide to make the spinner visible during loading:

Trigger an HTMX Request: Ensure you have an HTMX request in your page. For instance, use hx-get to load content from a server endpoint when a button is clicked:

html
1<button hx-get="/path/to/server/endpoint" hx-trigger="click" hx-indicator=".spinner" hx-target="#content">
2  Load Content
3</button>

Show Spinner While Loading: The hx-indicator attribute tells HTMX which element to use as a loading indicator. When an HTMX request starts, the element with the class spinner will automatically be shown, and it will be hidden again when the request completes.
Correct HTML Structure: Ensure your spinner is not set to hidden in your HTML by default. Here’s how you can update it to be hidden initially but shown during HTMX requests:
```
html
1
2<div class="spinner" style="display:none;"></div>
```
CSS and JavaScript: Verify that your CSS and JavaScript are correctly linked and functioning. Make sure that the HTMX library is being loaded correctly:
```
html
1<script src="https://unpkg.com/htmx.org"></script>
```
Server Response: The server endpoint you are requesting with hx-get must be correctly set up to respond to HTMX requests. If it's not set up or responding with an error, the content won't load, and you may not see the spinner.
Debugging: Use browser developer tools (usually accessible by pressing F12) to check if there are any errors in the console when triggering HTMX requests. Also, inspect the network activity to see if the requests are made and how they are responded to by the server.

If after these checks, the spinner is still not visible, there might be an issue with the server response or the HTMX setup. If you're sure your server setup is correct and the HTMX requests are being made, please provide more details or check the console for any potential errors that could give us a hint about what's going wrong.

Anonymous

but i don't have a server backend. can you give me a basic one in python?

Hyper-Media Defender

Sure! If you need a basic backend to serve HTMX requests, Python's Flask framework is an excellent choice for setting up a simple server quickly. Below is a basic Flask application that you can use:

First, install Flask if you haven't already, using pip:

sh
1pip install Flask

Then, create a file, say app.py, with the following content:

python
1from flask import Flask, render_template, request
2
3app = Flask(__name__)
4
5# Route for your main page
6@app.route('/')
7def index():
8    return render_template('htmx_example.html')  # Ensure 'htmx_example.html' is in the 'templates' folder
9
10# Route to handle the HTMX request
11@app.route('/load_content')
12def load_content():
13    # Here you can fetch data from a database or any other source
14    # For demonstration purposes, let's just return a simple message
15    return 'This is the content loaded with HTMX!'
16
17if __name__ == '__main__':
18    app.run(debug=True)

Make sure your htmx_example.html file is placed in a folder named templates in the same directory as your app.py. The Flask render_template function looks for HTML files in a folder named templates by default.

Now, modify your htmx_example.html to make a request to the /load_content route when a button is clicked, and include the spinner as follows:

html
1<button hx-get="/load_content" hx-trigger="click" hx-indicator="#loading" hx-target="#content">
2  Load Content
3</button>
4<div id="content">
5  <!-- Content loaded with HTMX will appear here -->
6</div>
7<div id="loading" class="spinner" style="display:none;"></div>

Remember to start the Flask application by running python app.py in your terminal. This will start a web server on localhost with the port 5000, and you can access your page at http://localhost:5000/. When you click the "Load Content" button, the content from the /load_content endpoint will be loaded into the #content div, and the spinner will be displayed while loading.

Ensure that you've set up your HTML to correctly reference the spinner and the content container for HTMX requests. The above setup assumes that you have a basic understanding of how Flask serves HTML pages and handles routes. If you need more assistance with Flask or HTMX, don't hesitate to ask!

Anonymous

pip, command not found (on ubuntu)

Hyper-Media Defender

If you're getting a "command not found" error for pip on Ubuntu, it likely means that pip is not installed on your system. You can install pip for Python 3 using the following steps:

Update Package List: First, update your package list to ensure you have the latest information on available packages:
```
sh
1sudo apt update
```
Install pip for Python 3: Use the following command to install pip for Python 3:
```
sh
1sudo apt install python3-pip
```

After installing pip, you can confirm the installation and check the version of pip installed by running:

sh
1pip3 --version

With pip installed, you can proceed to set up your Python server backend as previously described. If you encounter any issues or need further assistance, feel free to ask!