quickstart.py

import ldclient
from ldclient.config import Config
from ldclient import Context

# Import your application
from yourapp import App

# Instantiate your application
app = App()

# Authenticate your LaunchDarkly client
ldclient.set_config(Config('sdk-copy-your-key-here'))

# Instantiate your LaunchDarkly client
client = ldclient.get()

# Define a route for your application
@app.route("/")
def root():
    # Build the context of your user
    context = Context.builder('user-id-123abc').kind('user').name('Sandy').set('email', '[email protected]').build()   

    # Retrieve your feature flag
    flag_value = client.variation("my-first-feature-flag", context, False)

    # If the flag is true, user gets new template. If not, fallback to previous template.
    if flag_value == True:
        # Our feature flag is true, deploy the new template.
        return "new_template.html"
    else:
        # Our feature flag is true, deploy the old template.
        return "old_template.html"