Here's a Python script to generate tokens:

import webbrowser
from urllib.parse import urlencode, urlparse, parse_qs
import requests

# Set up your Confluence OAuth App details
CLIENT_ID = '...Paste the client ID ....'
CLIENT_SECRET = '....paste client secret .............' 
REDIRECT_URI = 'https://us-west-2.console.aws.amazon.com/appflow/oauth'  

# Confluence OAuth endpoints
AUTH_URL = 'https://auth.atlassian.com/authorize'
TOKEN_URL = 'https://auth.atlassian.com/oauth/token'
scope = [
    "read:content:confluence",
    "read:content-details:confluence", 
    "read:space-details:confluence",
    "read:audit-log:confluence",
    "read:page:confluence",
    "read:attachment:confluence",
    "read:blogpost:confluence",
    "read:custom-content:confluence",
    "read:comment:confluence",
    "read:template:confluence",
    "read:label:confluence",
    "read:watcher:confluence",
    "read:group:confluence",
    "read:relation:confluence",
    "read:user:confluence",
    "read:configuration:confluence",
    "read:space:confluence",
    "read:space.permission:confluence",
    "read:space.property:confluence",
    "read:user.property:confluence",
    "read:space.setting:confluence",
    "read:analytics.content:confluence",
    "read:content.permission:confluence",
    "read:content.property:confluence",
    "read:content.restriction:confluence",
    "read:content.metadata:confluence",
    "read:inlinetask:confluence",
    "read:task:confluence",
    "read:permission:confluence",
    "read:whiteboard:confluence",
    "read:database:confluence",
    "read:embed:confluence",
    "read:folder:confluence",
    "read:confluence-space.summary",
    "read:confluence-content.all",
    "offline_access"
]

def get_authorization_code():
    # Prepare the authorization URL

    params = {
            "audience": "api.atlassian.com",
            "client_id": CLIENT_ID,
            "scope": " ".join(scope),
            "redirect_uri": REDIRECT_URI,
            "response_type": "code",
            "prompt": "consent"
        }
    auth_url = f"{AUTH_URL}?{urlencode(params)}"

    # Open the authorization URL in the default web browser
    webbrowser.open(auth_url)

    # Prompt the user to enter the full redirect URL after authorization
    redirect_response = input("Paste the full redirect URL after authorization:\n")

    # Parse the authorization code from the redirect URL
    parsed_url = urlparse(redirect_response)
    auth_code = parse_qs(parsed_url.query)['code'][0]

    return auth_code


def get_access_token(auth_code):
    # Prepare the token request payload
    payload = {
        'grant_type': 'authorization_code',
        'client_id': CLIENT_ID,
        'client_secret': CLIENT_SECRET,
        'code': auth_code,
        'redirect_uri': REDIRECT_URI
    }

    # Make the token request
    response = requests.post(TOKEN_URL, json=payload, headers={'Content-Type': 'application/json'})
    print(f"Response Status Code: {response.status_code}")
    token_response = response.json()
    print(f"Token Response: {token_response}")

    # Extract the access token and refresh token
    access_token = token_response.get('access_token')
    refresh_token = token_response.get('refresh_token')

    return access_token, refresh_token


if __name__ == '__main__':
    authorization_code = get_authorization_code()
    print(f"Authorization Code: {authorization_code}")

    access_token, refresh_token = get_access_token(authorization_code)
    print(f"Access Token: {access_token}")
    print(f"Refresh Token: {refresh_token}")