Chilkat2-Python

ETrade Renew Access Token

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Renews an ETrade OAuth access token. Chilkat2-Python

import sys
import chilkat2

success = False

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

http = chilkat2.Http()

http.OAuth1 = True
http.OAuthVerifier = ""
http.OAuthConsumerKey = "ETRADE_CONSUMER_KEY"
http.OAuthConsumerSecret = "ETRADE_CONSUMER_SECRET"

# Load the access token previously obtained via the OAuth1 Authorization
jsonToken = chilkat2.JsonObject()
success = jsonToken.LoadFile("qa_data/tokens/etrade.json")
if (success != True):
    print("Failed to load OAuth1 token")
    sys.exit()

http.OAuthToken = jsonToken.StringOf("oauth_token")
http.OAuthTokenSecret = jsonToken.StringOf("oauth_token_secret")

resp = chilkat2.HttpResponse()
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.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 = chilkat2.StringBuilder()
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 = chilkat2.Hashtable()
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 = chilkat2.JsonObject()
json.AppendString("oauth_token",accessToken)
json.AppendString("oauth_token_secret",accessTokenSecret)

fac = chilkat2.FileAccess()
fac.WriteEntireTextFile("qa_data/tokens/etrade.json",json.Emit(),"utf-8",False)

print("Success.")