Web server¶
Use the small Python micro framework call Flask to create a web server. This can be used as a starting point to control devices from a web site.
A minimal web server¶
##
# Flask quick start
#
# To run 'sudo python <app name>', then open browser to IP address shown
from flask import Flask, render_template_string, redirect
# Create the Flask application
app = Flask(__name__)
# Create a route
@app.get("/")
def index():
page_template = """
<!DOCTYPE html>
<html lang='en'>
<head>
<meta charset="utf-8">
<title>Hello</title>
<style>
body {
background-color: gainboro;
}
</style>
</head>
<body>
<h1>Hello world</h1>
</body>
</html>
"""
return render_template_string(page_template)
@app.get("/hello/<name>")
def say_hello(name):
# Send a message to the console
print(f"Hello from {name}")
return f'Hello from {name}'
if __name__ == "__main__":
app.run(debug=True, host="0.0.0.0", port=80)
Add a button and a link
<div>
<a href="/hello/fred"><button>Hello</button></a>
</div>