This code should now do the following:

1. Fetch a Twitter user's bio
2. Parse the bio for a Nostr public key (npub)
3. Extract the Nostr public key from the npub
4. Create and sign a Nostr event with a custom message
5. Publish the event to the Nostr network

import os
import requests
import re
from alby_sdk import Alby
from nostr import NWC, Relay
from nostr.event import Event
from datetime import datetime

# Set up Alby SDK
alby = Alby()

# Set up NWC
nwc_public_key = "YOUR_NWC_PUBLIC_KEY"
nwc_private_key = "YOUR_NWC_PRIVATE_KEY"
nwc = NWC(relay_url="wss://relay.damus.io", public_key=nwc_public_key, private_key=nwc_private_key)

# Twitter API credentials
twitter_api_key = "YOUR_API_KEY"
twitter_api_secret = "YOUR_API_SECRET"

# Function to parse Twitter bio for Nostr public key (npub)
def parse_twitter_bio(twitter_bio):
    npub_pattern = r"npub[0-9A-Za-z]{40,}"
    npub_match = re.search(npub_pattern, twitter_bio)
    if npub_match:
        return npub_match.group()
    return None

# Function to extract Nostr public key from npub
def extract_nostr_public_key(npub):
    try:
        return alby.parse_npub(npub)
    except Exception as e:
        print(f"Error parsing npub: {e}")
        return None

# Function to create and sign a Nostr event
def create_and_sign_event(event_data):
    try:
        event = Event(**event_data)
        signed_event = nwc.sign_event(event)
        return signed_event
    except Exception as e:
        print(f"Error creating and signing event: {e}")
        return None

# Main program logic
def main():
    # Fetch Twitter user's bio
    twitter_username = "twitter_username"
    twitter_user = requests.get(f"(link unavailable)", headers={"Authorization": f"Bearer {twitter_api_key}"})
    twitter_bio = twitter_user.json()["data"]["description"]

    # Parse Twitter bio for Nostr public key (npub)
    npub = parse_twitter_bio(twitter_bio)

    # If npub is found, extract Nostr public key
    if npub:
        nostr_public_key = extract_nostr_public_key(npub)

        # If Nostr public key is extracted, create and sign a Nostr event
        if nostr_public_key:
            event_data = {
                "id": "YOUR_EVENT_ID",
                "pubkey": nostr_public_key,
                "created_at": int(datetime.now().timestamp()),
                "kind": 1,
                "tags": [],
                "content": f"I just zapped {npub}'s Twitter ({twitter_username}) account"
            }
            signed_event = create_and_sign_event(event_data)

            # If event is signed, publish it to the Nostr network
            if signed_event:
                nwc.publish(signed_event)

if __name__ == "__main__":
    main()