(CkPython) Initiate Resumable Upload Session

See more Google Cloud Storage Examples

For more information, see https://cloud.google.com/storage/docs/performing-resumable-uploads

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

import sys
import chilkat

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

http = chilkat.CkHttp()

jsonToken = chilkat.CkJsonObject()
success = jsonToken.LoadFile("qa_data/tokens/googleCloudStorage.json")
if (success == False):
    print(jsonToken.lastErrorText())
    sys.exit()

jsonMetaData = chilkat.CkJsonObject()
jsonMetaData.UpdateString("contentType","image/jpeg")

# Adds the "Authorization: Bearer <access_token>" header..
http.put_AuthToken(jsonToken.stringOf("access_token"))

http.SetUrlVar("bucket_name","chilkat-bucket-b")
http.SetUrlVar("object_name","penguins2.jpg")
url = "https://storage.googleapis.com/upload/storage/v1/b/{$bucket_name}/o?uploadType=resumable&name={$object_name}"
# resp is a CkHttpResponse
resp = http.PText("POST",url,jsonMetaData.emit(),"utf-8","application/json",False,False)
if (http.get_LastMethodSuccess() == False):
    print(http.lastErrorText())
    sys.exit()

statusCode = resp.get_StatusCode()
print("response status code = " + str(statusCode))

sessionUrl = ""

if (statusCode != 200):
    print(resp.bodyStr())
else:
    # The session URL will be used to upload the file in chunks, in subsequent HTTP POSTs...
    sessionUrl = resp.getHeaderField("Location")
    print("Session URL = " + sessionUrl)