def _initialize_context()

in aws_xray_sdk/core/lambda_launcher.py [0:0]

• 22 lines of code
• 8 McCabe index (conditional complexity)

    def _initialize_context(self, trace_header):
        """
        Create a segment based on environment variables set by
        AWS Lambda and initialize storage for subsegments.
        """
        sampled = None
        if not global_sdk_config.sdk_enabled():
            # Force subsequent subsegments to be disabled and turned into DummySegments.
            sampled = False
        elif trace_header.sampled == 0:
            sampled = False
        elif trace_header.sampled == 1:
            sampled = True

        segment = None
        if not trace_header.root or not trace_header.parent or trace_header.sampled is None:
            segment = DummySegment()
            log.debug("Creating NoOp/Dummy parent segment")
        else:
            segment = FacadeSegment(
                name='facade',
                traceid=trace_header.root,
                entityid=trace_header.parent,
                sampled=sampled,
            )
        segment.save_origin_trace_header(trace_header)
        setattr(self._local, 'segment', segment)
        setattr(self._local, 'entities', [])