Ensure that you have Python 3.5 installed. For example, you can get Python 3.5 from the Anaconda archive page.

Ensure that the bin directory is added to the PATH environment variable. If necessary, add the bin directory by entering the following command on the command line:

export PATH="~/anaconda3/bin:$PATH"

Ensure that you have set the following environment variables for the S3 client credential files:

• COS_IAM_CREDENTIALS - name of JSON file containing settings to connect with IAM

Example of COS_IAM_CREDENTIALS file

{
  "apikey": "xxxxxxxx",
  "endpoints": "https://cos-service.bluemix.net/endpoints",
  "iam_apikey_description": "Auto generated apikey during resource-key operation for Instance - crn:v1:bluemix:public:cloud-object-storage:global:a/xxxxxx::",
  "iam_apikey_name": "auto-generated-apikey-xxxx",
  "iam_role_crn": "crn:v1:bluemix:public:iam::::serviceRole:Writer",
  "iam_serviceid_crn": "crn:v1:bluemix:public:iam-identity::a/xxxxxxxx",
  "resource_instance_id": "crn:v1:bluemix:public:cloud-object-storage:global:a/xxxxxx"
}

Install the IBM Cloud Object Storage S3 client, by entering the following command on the command line:

pip install ibm-cos-sdk

python3 listBuckets.py

python3 listObjects.py -bucket

python3 cleanBucket.py -bucket