basictracer

import opentracing from basictracer import BasicTracer from basictracer.recorder import InMemoryRecorder # Initialize an in-memory recorder to store spans recorder = InMemoryRecorder() # Create a BasicTracer instance tracer = BasicTracer(recorder=recorder) # It's common practice to set the global tracer opentracing.set_global_tracer(tracer) # Start a new span using the global tracer with opentracing.start_active_span('my_operation') as scope: span = scope.span span.log_kv({'event': 'start_work', 'stage': 1}) # Simulate some work result = "some data" span.log_kv({'event': 'finish_work', 'result_len': len(result)}) # Retrieve recorded spans print(f"Recorded {len(recorder.spans)} span(s).") for s in recorder.spans: print(f" Operation: {s.operation_name}, Duration: {s.duration}ns") print(f" Logs: {s.logs}") # Example of Child-Of span with opentracing.start_active_span('parent_span') as parent_scope: with opentracing.start_active_span('child_span', child_of=parent_scope.span): pass # Child-Of span created print(f"Total recorded spans after second block: {len(recorder.spans)}")