Google Cloud Python API/Library Use Environment Variable Instead of JSON for Service Credentials

moneypatch.py

import json
import os

# Imports the Google Cloud client library
from google.cloud import storage
# Need this for the monkeypatch
from google.oauth2 import service_account

# Patch in a new method for loading a dict
@classmethod
def from_service_account_dict(cls, credentials_info, *args, **kwargs):
    credentials = service_account.Credentials.from_service_account_info(
        credentials_info)
    if cls._SET_PROJECT:
        if 'project' not in kwargs:
            kwargs['project'] = credentials_info.get('project_id')

    kwargs['credentials'] = credentials
    return cls(*args, **kwargs)
storage.Client.from_service_account_dict = from_service_account_dict

# And now we'll use it to set up Google Storage client
storage_client = storage.Client.from_service_account_dict(
	json.loads(
		os.environ.get( "GOOGLE_CREDENTIALS" )
	)
)

# Create a bucket for show
bucket_name = 'your-bucket-name-here'

# Creates the new bucket
bucket = storage_client.create_bucket(bucket_name)

print('Bucket {} created.'.format(bucket.name))