#
# This module was written by Ka-Ping Yee, <ping@lfw.org>.
#
# $Id: cgitb.py,v 1.10 2002-01-16 04:49:45 richard Exp $
__doc__ = """
Extended CGI traceback handler by Ka-Ping Yee, <ping@lfw.org>.
"""
import sys, os, types, string, keyword, linecache, tokenize, inspect, pydoc
from i18n import _
def breaker():
return ('<body bgcolor="#f0f0ff">' +
'<font color="#f0f0ff" size="-5"> > </font> ' +
'</table>' * 5)
def html(context=5):
etype, evalue = sys.exc_type, sys.exc_value
if type(etype) is types.ClassType:
etype = etype.__name__
pyver = 'Python ' + string.split(sys.version)[0] + '<br>' + sys.executable
head = pydoc.html.heading(
'<font size=+1><strong>%s</strong>: %s</font>'%(str(etype), str(evalue)),
'#ffffff', '#aa55cc', pyver)
head = head + (_('<p>A problem occurred while running a Python script. '
'Here is the sequence of function calls leading up to '
'the error, with the most recent (innermost) call first. '
'The exception attributes are:'))
indent = '<tt><small>%s</small> </tt>' % (' ' * 5)
traceback = []
for frame, file, lnum, func, lines, index in inspect.trace(context):
if file is None:
link = '<file is None - probably inside <tt>eval</tt> or <tt>exec</tt>>'
else:
file = os.path.abspath(file)
link = '<a href="file:%s">%s</a>' % (file, pydoc.html.escape(file))
args, varargs, varkw, locals = inspect.getargvalues(frame)
if func == '?':
call = ''
else:
call = 'in <strong>%s</strong>' % func + inspect.formatargvalues(
args, varargs, varkw, locals,
formatvalue=lambda value: '=' + pydoc.html.repr(value))
level = '''
<table width="100%%" bgcolor="#d8bbff" cellspacing=0 cellpadding=2 border=0>
<tr><td>%s %s</td></tr></table>''' % (link, call)
if index is None or file is None:
traceback.append('<p>' + level)
continue
# do a fil inspection
names = []
def tokeneater(type, token, start, end, line, names=names):
if type == tokenize.NAME and token not in keyword.kwlist:
if token not in names:
names.append(token)
if type == tokenize.NEWLINE: raise IndexError
def linereader(file=file, lnum=[lnum]):
line = linecache.getline(file, lnum[0])
lnum[0] = lnum[0] + 1
return line
try:
tokenize.tokenize(linereader, tokeneater)
except IndexError: pass
lvals = []
for name in names:
if name in frame.f_code.co_varnames:
if locals.has_key(name):
value = pydoc.html.repr(locals[name])
else:
value = _('<em>undefined</em>')
name = '<strong>%s</strong>' % name
else:
if frame.f_globals.has_key(name):
value = pydoc.html.repr(frame.f_globals[name])
else:
value = _('<em>undefined</em>')
name = '<em>global</em> <strong>%s</strong>' % name
lvals.append('%s = %s' % (name, value))
if lvals:
lvals = string.join(lvals, ', ')
lvals = indent + '''
<small><font color="#909090">%s</font></small><br>''' % lvals
else:
lvals = ''
excerpt = []
i = lnum - index
for line in lines:
number = ' ' * (5-len(str(i))) + str(i)
number = '<small><font color="#909090">%s</font></small>' % number
line = '<tt>%s %s</tt>' % (number, pydoc.html.preformat(line))
if i == lnum:
line = '''
<table width="100%%" bgcolor="#ffccee" cellspacing=0 cellpadding=0 border=0>
<tr><td>%s</td></tr></table>''' % line
excerpt.append('\n' + line)
if i == lnum:
excerpt.append(lvals)
i = i + 1
traceback.append('<p>' + level + string.join(excerpt, '\n'))
traceback.reverse()
exception = '<p><strong>%s</strong>: %s' % (str(etype), str(evalue))
attribs = []
if type(evalue) is types.InstanceType:
for name in dir(evalue):
value = pydoc.html.repr(getattr(evalue, name))
attribs.append('<br>%s%s = %s' % (indent, name, value))
return head + string.join(attribs) + string.join(traceback) + '<p> </p>'
def handler():
print breaker()
print html()
#
# $Log: not supported by cvs2svn $
# Revision 1.9 2002/01/08 11:56:24 richard
# missed an import _
#
# Revision 1.8 2002/01/05 02:22:32 richard
# i18n'ification
#
# Revision 1.7 2001/11/22 15:46:42 jhermann
# Added module docstrings to all modules.
#
# Revision 1.6 2001/09/29 13:27:00 richard
# CGI interfaces now spit up a top-level index of all the instances they can
# serve.
#
# Revision 1.5 2001/08/07 00:24:42 richard
# stupid typo
#
# Revision 1.4 2001/08/07 00:15:51 richard
# Added the copyright/license notice to (nearly) all files at request of
# Bizar Software.
#
# Revision 1.3 2001/07/29 07:01:39 richard
# Added vim command to all source so that we don't get no steenkin' tabs :)
#
# Revision 1.2 2001/07/22 12:09:32 richard
# Final commit of Grande Splite
#
# Revision 1.1 2001/07/22 11:58:35 richard
# More Grande Splite
#
#
# vim: set filetype=python ts=4 sw=4 et si