Shopify App Installation URL via AWS Lambda (Python)

install.py

# https://help.shopify.com/api/guides/authentication/oauth#scopes

scopes = []
scopes.append('read_content')
scopes.append('write_content')
scopes.append('read_themes')
scopes.append('write_themes')
scopes.append('read_products')
scopes.append('write_products')
scopes.append('read_customers')
scopes.append('write_customers')
scopes.append('read_orders')
scopes.append('write_orders')
scopes.append('read_script_tags')
scopes.append('write_script_tags')
scopes.append('read_fulfillments')
scopes.append('write_fulfillments')
scopes.append('read_shipping')
scopes.append('write_shipping')
scopes.append('read_analytics')
# scopes.append('read_users')  Plus only
# scopes.append('write_users')  Plus only

# Replace the variables below
api_key = "[[API_KEY]]"
redirect_uri = "[[REDIRECT_URL]]"

#TODO persistent nonce so that callback function can verify
nonce = "[[NONCE]]"

def lambda_handler(event, context):
    install_url = 'https://' + event.get('store') + ".myshopify.com" + \
        '/admin/oauth/authorize?client_id=' + api_key + \
        '&scope=' + ','.join(scopes) + \
        '&state=' + nonce + \
        '&redirect_uri=' + redirect_uri
    
    return {
        'location': install_url
    }