id	summary	reporter	owner	description	type	status	component	version	severity	resolution	keywords	cc	stage	has_patch	needs_docs	needs_tests	needs_better_patch	easy	ui_ux
30411	Improve formatting of text tracebacks in technical 500 responses.	Daniel Hahler	Jerrod Martin	"I think it would do better without extra newlines, and could just match the default output from Python itself.

Currently:

{{{
Traceback:

File ""…/Vcs/django/django/template/base.py"" in __init__
  663.                 token.Meh

During handling of the above exception ('str' object has no attribute 'Meh'), another exception occurred:

File ""…/Vcs/django/django/core/handlers/exception.py"" in inner
  34.             response = get_response(request)

File ""…/Vcs/django/django/core/handlers/base.py"" in _get_response
  145.                 response = self.process_exception_by_middleware(e, request)

File ""…/Vcs/django/django/core/handlers/base.py"" in _get_response
  143.                 response = response.render()

File ""…/Vcs/django/django/template/response.py"" in render
  106.             self.content = self.rendered_content

File ""…/Vcs/django/django/template/response.py"" in rendered_content
  83.         content = template.render(context, self._request)

File ""…/Vcs/django/django/template/backends/django.py"" in render
  61.             return self.template.render(context)

File ""…/Vcs/django/django/template/base.py"" in render
  171.                     return self._render(context)

File ""…/Vcs/django/django/test/utils.py"" in instrumented_test_render
  96.     return self.nodelist.render(context)

File ""…/Vcs/django/django/template/base.py"" in render
  940.                 bit = node.render_annotated(context)

File ""…/Vcs/django/django/template/base.py"" in render_annotated
  907.             return self.render(context)

File ""…/Vcs/django/django/template/loader_tags.py"" in render
  150.             return compiled_parent._render(context)

File ""…/Vcs/django/django/test/utils.py"" in instrumented_test_render
  96.     return self.nodelist.render(context)

File ""…/Vcs/django/django/template/base.py"" in render
  940.                 bit = node.render_annotated(context)

File ""…/Vcs/django/django/template/base.py"" in render_annotated
  907.             return self.render(context)

File ""…/Vcs/django/django/template/loader_tags.py"" in render
  127.         compiled_parent = self.get_parent(context)

File ""…/Vcs/django/django/template/loader_tags.py"" in get_parent
  124.         return self.find_template(parent, context)

File ""…/Vcs/django/django/template/loader_tags.py"" in find_template
  104.             template_name, skip=history,

File ""…/Vcs/django/django/template/engine.py"" in find_template
  125.                 template = loader.get_template(name, skip=skip)

File ""…/Vcs/django/django/template/loaders/base.py"" in get_template
  30.                     contents, origin, origin.template_name, self.engine,

File ""…/Vcs/django/django/template/base.py"" in __init__
  156.         self.nodelist = self.compile_nodelist()

File ""…/Vcs/django/django/template/base.py"" in compile_nodelist
  194.             return parser.parse()

File ""…/Vcs/django/django/template/base.py"" in parse
  449.                     raise self.error(token, e)

File ""…/Vcs/django/django/template/base.py"" in parse
  447.                     filter_expression = self.compile_filter(token.contents)

File ""…/Vcs/django/django/template/base.py"" in compile_filter
  563.         return FilterExpression(token, self)

File ""…/Vcs/django/django/template/base.py"" in __init__
  666.                                           ""from '%s'"" % (token[upto:], token))

Exception Type: TemplateSyntaxError at /a/login
Exception Value: Could not parse the remainder: '(""foo"")' from 'myecho(""foo"")'
}}}

Better:
{{{
Traceback (most recent call last):
  File ""…/Vcs/django/django/template/base.py"", line 663, in __init__
    token.Meh

During handling of the above exception ('str' object has no attribute 'Meh'), another exception occurred:
  File ""…/Vcs/django/django/core/handlers/exception.py"", line 34, in inner
    response = get_response(request)
  File ""…/Vcs/django/django/core/handlers/base.py"", line 145, in _get_response
    response = self.process_exception_by_middleware(e, request)
  File ""…/Vcs/django/django/core/handlers/base.py"", line 143, in _get_response
    response = response.render()
  File ""…/Vcs/django/django/template/response.py"", line 106, in render
    self.content = self.rendered_content
  File ""…/Vcs/django/django/template/response.py"", line 83, in rendered_content
    content = template.render(context, self._request)
  File ""…/Vcs/django/django/template/backends/django.py"", line 61, in render
    return self.template.render(context)
  File ""…/Vcs/django/django/template/base.py"", line 171, in render
    return self._render(context)
  File ""…/Vcs/django/django/test/utils.py"", line 96, in instrumented_test_render
    return self.nodelist.render(context)
  File ""…/Vcs/django/django/template/base.py"", line 940, in render
    bit = node.render_annotated(context)
  File ""…/Vcs/django/django/template/base.py"", line 907, in render_annotated
    return self.render(context)
  File ""…/Vcs/django/django/template/loader_tags.py"", line 150, in render
    return compiled_parent._render(context)
  File ""…/Vcs/django/django/test/utils.py"", line 96, in instrumented_test_render
    return self.nodelist.render(context)
  File ""…/Vcs/django/django/template/base.py"", line 940, in render
    bit = node.render_annotated(context)
  File ""…/Vcs/django/django/template/base.py"", line 907, in render_annotated
    return self.render(context)
  File ""…/Vcs/django/django/template/loader_tags.py"", line 127, in render
    compiled_parent = self.get_parent(context)
  File ""…/Vcs/django/django/template/loader_tags.py"", line 124, in get_parent
    return self.find_template(parent, context)
  File ""…/Vcs/django/django/template/loader_tags.py"", line 104, in find_template
    template_name, skip=history,
  File ""…/Vcs/django/django/template/engine.py"", line 125, in find_template
    template = loader.get_template(name, skip=skip)
  File ""…/Vcs/django/django/template/loaders/base.py"", line 30, in get_template
    contents, origin, origin.template_name, self.engine,
  File ""…/Vcs/django/django/template/base.py"", line 156, in __init__
    self.nodelist = self.compile_nodelist()
  File ""…/Vcs/django/django/template/base.py"", line 194, in compile_nodelist
    return parser.parse()
  File ""…/Vcs/django/django/template/base.py"", line 449, in parse
    raise self.error(token, e)
  File ""…/Vcs/django/django/template/base.py"", line 447, in parse
    filter_expression = self.compile_filter(token.contents)
  File ""…/Vcs/django/django/template/base.py"", line 563, in compile_filter
    return FilterExpression(token, self)
  File ""…/Vcs/django/django/template/base.py"", line 666, in __init__
    ""from '%s'"" % (token[upto:], token))

Exception Type: TemplateSyntaxError at /a/login
Exception Value: Could not parse the remainder: '(""foo"")' from 'myecho(""foo"")'

}}}
"	Cleanup/optimization	closed	Error reporting	dev	Normal	fixed			Ready for checkin	1	0	0	0	1	0