Python GMail: Get a specific message (format="minimal")

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Gets a specific message using format=minimal.

Documentation: https://developers.google.com/gmail/api/v1/reference/users/messages/get

import sys
import chilkat

rest = chilkat.CkRest()

#   Provide a previously obtained OAuth2 access token.
oauth2 = chilkat.CkOAuth2()
oauth2.put_AccessToken("OAUTH2_ACCESS_TOKEN")
rest.SetAuthOAuth2(oauth2)

success = rest.Connect("www.googleapis.com",443,True,True)
if (success != True):
    print(rest.lastErrorText())
    sys.exit()

rest.AddPathParam("messageId","15fc237e79da4174")

rest.AddQueryParam("format","minimal")

sbJson = chilkat.CkStringBuilder()
success = rest.FullRequestNoBodySb("GET","/gmail/v1/users/me/messages/messageId",sbJson)
if (success != True):
    print(rest.lastErrorText())
    sys.exit()

if (rest.get_ResponseStatusCode() != 200):
    print("Received error response code: " + str(rest.get_ResponseStatusCode()))
    print("Response body:")
    print(sbJson.getAsString())
    sys.exit()

json = chilkat.CkJsonObject()
json.LoadSb(sbJson)

#  The following code parses the JSON response.
#  A sample JSON response is shown below the sample code.

id = json.stringOf("id")
threadId = json.stringOf("threadId")
snippet = json.stringOf("snippet")
historyId = json.stringOf("historyId")
internalDate = json.stringOf("internalDate")
sizeEstimate = json.IntOf("sizeEstimate")
i = 0
count_i = json.SizeOfArray("labelIds")
while i < count_i :
    json.put_I(i)
    strVal = json.stringOf("labelIds[i]")
    i = i + 1

print("Example Completed.")

Sample JSON Response Body

{
  "id": "15fc237e79da4174",
  "threadId": "15fc237e79da4174",
  "labelIds": [
    "IMPORTANT",
    "SENT",
    "INBOX"
  ],
  "snippet": "This is a test email with 2 attachments.",
  "historyId": "1582",
  "internalDate": "1510791964000",
  "sizeEstimate": 11153
}