Set up app-only authentication on Twitter

app-only-twitter.py

"""
Scratch pad for experimenting with the twitter API.
"""
import base64
import os
import requests
from requests_oauthlib import OAuth1

"""
SECRETS
"""
# API Keys
api_key = os.getenv("TW_API_KEY")
api_secret_key = os.getenv("TW_API_SECRET_KEY")

"""
AUTHENTICATION
"""
# First, encode the keys in the way that twitter wants. 
# See: https://developer.twitter.com/en/docs/basics/authentication/overview/application-only
api_key = api_key.encode("utf-8")
api_secret_key = api_secret_key.encode("utf-8")
bearer_token_credential = base64.b64encode(api_key + b":" + api_secret_key)
bearer_token_credential = bearer_token_credential.decode("utf-8")

# Next, lets get the bearer token from the API.
headers = {
    "Authorization": f"Basic {bearer_token_credential}",
    "Content-Type": "application/x-www-form-urlencoded;charset=UTF-8",
    }

data="grant_type=client_credentials"
response = requests.post("https://api.twitter.com/oauth2/token", headers=headers, data=data)
response = response.json()
bearer_token = response["access_token"]

"""
SEARCHING
"""

# Now we can send some requests to the search API using our bearer token.
search_params = {"q": "Khrushchev"}

search_response = requests.get(
    "https://api.twitter.com/1.1/search/tweets.json", 
    params=search_params,
    headers={"Authorization": f"Bearer {bearer_token}"}
)
search_response = search_response.json()


print("End of script")