An example to demonstrate how to call Google StackDriver Trace API in PYTHON.

1. Install pip

2. Install gcloud SDK and run gcloud init and gcloud beta auth application-default login

3. Follow instructions on: https://pypi.python.org/pypi/gax-google-devtools-cloudtrace-v1 to set up virtual environment and install gax-google-devtools-cloudtrace-v1 package.

4. Run sample code to list_traces, get_trace, patch_traces

$ python trace_sample_gcloud.py <your GCP project id>

5. If it's successful, you will see trace printed and links to view trace patched at Google Cloud Console.