def traced_template_render(django, pin, wrapped, instance, args, kwargs):
"""Instrument django.template.base.Template.render for tracing template rendering."""
template_name = maybe_stringify(getattr(instance, "name", None))
if template_name:
resource = template_name
else:
resource = "{0}.{1}".format(func_name(instance), wrapped.__name__)
with pin.tracer.trace("django.template.render",
resource=resource,
span_type=http.TEMPLATE) as span:
if template_name:
span._set_str_tag("django.template.name", template_name)
engine = getattr(instance, "engine", None)
if engine:
span._set_str_tag("django.template.engine.class",
func_name(engine))
return wrapped(*args, **kwargs)
def test_maybe_stringify(obj):
assert type(maybe_stringify(obj)) is (obj is not None and six.text_type
or type(None))