pimp mah error messages, it has a full link to the Trac with pre-filled title, traceback, url, hg revision fields
"""
Build error messages
"""
import traceback, sys, cgi, urllib
def build_error (exc_info=None, env=None) :
"""
Dumps out a raw traceback of the given/current exception to stdout.
If request_env, it should be a environment dict, like under WSGI, and will be used to display additional info
about the request.
Returns a (status, content-type, body) tuple, with all components being non-unicode strs.
"""
# default for exc_info is current exception
if not exc_info :
exc_info = sys.exc_info()
# request URL?
if env :
try :
from qmsk.web.http import request_url
url = request_url(env)
except :
# ignore
url = None
else :
url = None
# working copy path?
try :
from config import HG_WC_PATH
wc_path = HG_WC_PATH
except :
# a good guess
wc_path = '.'
# version?
try :
from version import version_string
version = version_string(wc_path)
except :
version = None
# the exception type
exception_str = traceback.format_exception_only(*exc_info[:2])[-1][:255]
# the exception traceback
traceback_lines = traceback.format_exception(*exc_info)
# XXX: make this configureable
trac_url = "http://projects.qmsk.net/irclogs2/trac"
# ticket list
query_url = "%s/query" % trac_url
# submit ticket
submit_args = dict(type='defect')
if url :
submit_args['url'] = url
if version :
submit_args['revision'] = version
if exception_str :
submit_args['summary'] = exception_str
if traceback_lines :
# this is big
submit_args['description'] = """\
[Insert any additional information here]
= Traceback =
{{{
%s
}}}""" % ''.join(traceback_lines)
# the trac newticket URL
submit_url = "%s/newticket?%s" % (trac_url, '&'.join('%s=%s' % (urllib.quote(k), urllib.quote(v)) for k, v in submit_args.iteritems()))
# return
return ('500 Internal Server Error', 'text/html; charset=UTF-8', ("""\
<html><head><title>500 Internal Server Error</title></head><body>
<h1>Oops!</h1>
<p>
An error occured, which was not logged, and will not be reported to anybody. It might be your fault, or it might be
mine.
</p>
<p>
You can try poking the administrator of this site to see if they respond, or submit a defect ticket at the <a href="%(query_url)s">Project Trac</a>, using the following link:
</p>
<pre>
<a href="%(submit_url)s">%(submit_url_short)s</a>
</pre>
<h2>Details:</h2>
<pre>%(traceback)s</pre>
</body></html>""" % dict(
traceback = cgi.escape(''.join(traceback_lines)),
query_url = query_url,
submit_url = submit_url,
submit_url_short = submit_url[:120] + '...'
)).encode('utf-8'))