(Chilkat2-Python) X.com OAuth 2.0 Refresh Access Token

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Note: This example requires Chilkat v10.1.2 or greater.

For more information, see https://docs.x.com/resources/fundamentals/authentication/oauth-2-0/authorization-code

Chilkat2 Python Downloads install with pip pip3 install chilkat2 or download... Python Module for Windows, Linux, Alpine Linux, MacOS

import sys
import chilkat2

# This example requires the Chilkat API to have been previously unlocked.
# See Global Unlock Sample for sample code.

jsonToken = chilkat2.JsonObject()
success = jsonToken.LoadFile("qa_data/tokens/x.json")
if (success != True):
    print("Failed to load x.json")
    sys.exit()

# The access token JSON looks something like this:

# {
#   "token_type": "bearer",
#   "expires_in": 7200,
#   "access_token": "VmNDLVZiYUZwejY5Mkx3RblFTmo3ek1leTRGclMuZFVOUTVUTWpNbVZKb1N5OjE3NDAxNjk4MDVxNTE6MToxOaF0OjE",
#   "scope": "block.read follows.read offline.access tweet.write block.write like.write like.read users.read tweet.read follows.write",
#   "refresh_token": "eThOWVVFSTRqdVp3QTFndGsxM2ZGZmFyNWVrU0phM1JKbGdrbGNWRGJzb1loOjE3NDAwMjk4MDUxNTI6MTowOnJ0OjE"
# }

oauth2 = chilkat2.OAuth2()

oauth2.TokenEndpoint = "https://api.x.com/2/oauth2/token"

# Replace this with your actual X.com OAuth2 Client ID and Client Secret
oauth2.ClientId = "OAUTH2_CLIENT_ID"
oauth2.ClientSecret = "OAUTH2_CLIENT_SECRET"

# Get the "refresh_token"
oauth2.RefreshToken = jsonToken.StringOf("refresh_token")

# Send the HTTP POST to refresh the access token..
success = oauth2.RefreshAccessToken()
if (success != True):
    print(oauth2.LastErrorText)
    sys.exit()

# Load the access token response into the json object 
jsonToken.Load(oauth2.AccessTokenResponse)

# If an "expires_on" member does not exist, then add the JSON member by
# getting the current system date/time and adding the "expires_in" seconds.
# This way we'll know when the token expires.
if (jsonToken.HasMember("expires_on") == False):
    dtExpire = chilkat2.CkDateTime()
    dtExpire.SetFromCurrentSystemTime()
    dtExpire.AddSeconds(jsonToken.IntOf("expires_in"))
    jsonToken.AppendString("expires_on",dtExpire.GetAsUnixTimeStr(False))

# Save the new JSON access token response to a file.
# The access + refresh tokens contained in this JSON will be needed for the next refresh.
sbJson = chilkat2.StringBuilder()
jsonToken.EmitCompact = False
jsonToken.EmitSb(sbJson)
sbJson.WriteFile("qa_data/tokens/x.json","utf-8",False)

print("OAuth2 authorization granted!")
print("New Access Token = " + oauth2.AccessToken)