CkPython

ETrade Renew Access Token

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Renews an ETrade OAuth access token. CkPython

import sys
import chilkat

success = False

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

http = chilkat.CkHttp()

http.put_OAuth1(True)
http.put_OAuthVerifier("")
http.put_OAuthConsumerKey("ETRADE_CONSUMER_KEY")
http.put_OAuthConsumerSecret("ETRADE_CONSUMER_SECRET")

# Load the access token previously obtained via the OAuth1 Authorization
jsonToken = chilkat.CkJsonObject()
success = jsonToken.LoadFile("qa_data/tokens/etrade.json")
if (success != True):
    print("Failed to load OAuth1 token")
    sys.exit()

http.put_OAuthToken(jsonToken.stringOf("oauth_token"))
http.put_OAuthTokenSecret(jsonToken.stringOf("oauth_token_secret"))

resp = chilkat.CkHttpResponse()
success = http.HttpNoBody("GET","https://api.etrade.com/oauth/renew_access_token",resp)
if (success == False):
    print(http.lastErrorText())
    sys.exit()

# Make sure a successful response was received.
if (resp.get_StatusCode() != 200):
    print(resp.statusLine())
    print(resp.header())
    print(resp.bodyStr())
    sys.exit()

# If successful, the resp.BodyStr contains something like this:
# oauth_token=%3TiQRgQCRGPo7Xdk6G8QDSEzX0Jsy6sKNcULcDavAGgU%3D&oauth_token_secret=%7RrC9scEpzcwSEMy4vE7nodSzPLqfRINnTNY4voczyFM%3D
print(resp.bodyStr())

sbRespBody = chilkat.CkStringBuilder()
resp.GetBodySb(sbRespBody)
if (sbRespBody.ContentsEqual("Access Token has been renewed",False)):
    # The documentation at https://apisb.etrade.com/docs/api/authorization/renew_access_token.html
    # indicates that the response should be as described above.  However, the response received when
    # trying to refresh a non-expired token was "Access Token has been renewed"
    print("Keeping the same access token, but it's renewed...")
    sys.exit()

hashTab = chilkat.CkHashtable()
hashTab.AddQueryParams(resp.bodyStr())

accessToken = hashTab.lookupStr("oauth_token")
accessTokenSecret = hashTab.lookupStr("oauth_token_secret")

# The access token + secret is what should be saved and used for
# subsequent REST API calls.
print("Access Token = " + accessToken)
print("Access Token Secret = " + accessTokenSecret)

# Save this access token for future calls.
# Just in case we need user_id and screen_name, save those also..
json = chilkat.CkJsonObject()
json.AppendString("oauth_token",accessToken)
json.AppendString("oauth_token_secret",accessTokenSecret)

fac = chilkat.CkFileAccess()
fac.WriteEntireTextFile("qa_data/tokens/etrade.json",json.emit(),"utf-8",False)

print("Success.")