def extract(self, format, carrier):
"""
return a span context
:param format:
:param carrier: dict: currently support:
SofaHeader(dict)
:return:
"""
if format != opentracing.Format.TEXT_MAP:
raise opentracing.UnsupportedFormatException()
try:
d = {
k.split('.', 1)[1]: carrier[k]
for k in carrier if k.startswith(self._prefix)
}
return self.spanContextCls(None, **d)
except:
raise opentracing.InvalidCarrierException()
def test_apply_tracing_invalid(self):
tracer = PyramidTracer(
DummyTracer(opentracing.InvalidCarrierException()))
tracer._apply_tracing(DummyRequest(), [])