def _renderHTTP_exception(request, failure):
try:
text, code = humanize_failure(failure)
except:
log.msg("exception in humanize_failure")
log.msg("argument was %s" % (failure, ))
log.err()
text = str(failure)
code = None
if code is not None:
return _renderHTTP_exception_simple(request, text, code)
accept = request.getHeader("accept")
if not accept:
accept = "*/*"
if "*/*" in accept or "text/*" in accept or "text/html" in accept:
request.setResponseCode(http.INTERNAL_SERVER_ERROR)
return template.renderElement(
request,
tags.html(
tags.head(tags.title(u"Exception"), ),
tags.body(FailureElement(failure), ),
),
)
# use plain text
traceback = failure.getTraceback()
return _renderHTTP_exception_simple(
request,
traceback,
http.INTERNAL_SERVER_ERROR,
)
def test_failureElementValue(self):
"""
The I{value} renderer of L{FailureElement} renders the value's exception
value.
"""
element = FailureElement(self.failure,
TagLoader(tags.span(render="value")))
d = flattenString(None, element)
d.addCallback(self.assertEqual, b"<span>This is a problem</span>")
return d
def test_failureElementType(self):
"""
The I{type} renderer of L{FailureElement} renders the failure's
exception type.
"""
element = FailureElement(self.failure,
TagLoader(tags.span(render="type")))
d = flattenString(None, element)
d.addCallback(self.assertEqual, "<span>exceptions.Exception</span>")
return d
def test_failureElementTraceback(self):
"""
The I{traceback} renderer of L{FailureElement} renders the failure's
stack frames using L{_StackElement}.
"""
element = FailureElement(self.failure)
renderer = element.lookupRenderMethod("traceback")
tag = tags.div()
result = renderer(None, tag)
self.assertIsInstance(result, _StackElement)
self.assertIdentical(result.stackFrames, self.failure.frames)
self.assertEqual([tag], result.loader.load())
def test_failureElementType(self):
"""
The I{type} renderer of L{FailureElement} renders the failure's
exception type.
"""
element = FailureElement(self.failure,
TagLoader(tags.span(render="type")))
d = flattenString(None, element)
if _PY3:
exc = b"builtins.Exception"
else:
exc = b"exceptions.Exception"
d.addCallback(self.assertEqual, b"<span>" + exc + b"</span>")
return d
