"""
cgitb.py
By Ka-Ping Yee <ping@lfw.org> http://web.lfw.org/python/
Modified for Webware by Ian Bicking <ianb@colorstudy.com>
"""
import sys, os, types, keyword, linecache, tokenize
try:
import pydoc
except ImportError:
from MiscUtils import pydoc
pyhtml = pydoc.html
escape = pyhtml.escape
from MiscUtils import inspect
DefaultOptions = {
'table': 'background-color:#F0F0F0',
'default': 'color:#000000',
'row.location': 'color:#000099',
'row.code': 'color:#990000',
'header': 'color:#FFFFFF;background-color:#999999',
'subheader': 'color:#000000;background-color:#F0F0F0;font-size:10pt',
'code.accent': 'background-color:#FFFFCC',
'code.unaccent': 'color:#999999;font-size:10pt',
}
def breaker():
return ('<body style="background-color:#F0F0FF">' +
'<span style="color:#F0F0FF;font-size:small"> > </font> ' +
'</table>' * 5)
def html(context=5, options=None):
if options:
opt = DefaultOptions.copy()
opt.update(options)
else:
opt = DefaultOptions
etype, evalue = sys.exc_info()[:2]
if isinstance(etype, types.ClassType):
etype = etype.__name__
inspect_trace = inspect.trace(context)
inspect_trace.reverse()
pyver = 'Python ' + sys.version.split()[0] + '<br>' + sys.executable
javascript = """
<script type="text/javascript" language="JavaScript"><!--
function tag(s) { return '<'+s+'>'; }
function popup_repr(title, value) {
w = window.open('', '_blank',
'directories=no,height=240,width=480,location=no,menubar=yes,'
+'resizable=yes,scrollbars=yes,status=no,toolbar=no');
if (!w) return true;
w.document.open();
w.document.write(tag('html')+tag('head')
+tag('title')+title+tag('/title')+tag('/head')
+tag('body bgcolor="#ffffff"')+tag('h3')+title+':'+tag('/h3')
+tag('p')+tag('code')+value+tag('/code')+tag('/p')+tag('form')+
tag('input type="button" onClick="window.close()" value="Close"')
+tag('/form')+tag('/body')+tag('/html'));
w.document.close();
return false;
}
// -->
</script>
"""
traceback_summary = []
for frame, file, lnum, func, lines, index in inspect_trace:
if file:
file = os.path.abspath(file)
else:
file = 'not found'
traceback_summary.append('<a href="#%s:%d" style="%s">%s</a>:'
'<tt style="font-family:Courier,sans-serif">%s</tt>'
% (file.replace('/', '-').replace('\\', '-'), lnum,
opt['header'], os.path.splitext(os.path.basename(file))[0],
("%5i" % lnum).replace(' ', ' ')))
head = ('<table width="100%%" style="%s" cellspacing="0" cellpadding="2" border="0">'
'<tr><td valign="top" align="left">'
'<strong style="font-size:x-large">%s</strong>: %s</td>'
'<td rowspan="2" valign="top" align="right">%s</td></tr>'
'<tr><td valign="top" bgcolor="#ffffff">\n'
'<p style="%s">A problem occurred while running a Python script.</p>'
'<p style="%s">Here is the sequence of function calls leading up to'
' the error, with the most recent (innermost) call first.</p>\n'
'</td></tr></table>\n'
% (opt['header'], etype, escape(str(evalue)),
'<br>\n'.join(traceback_summary), opt['default'], opt['default']))
indent = '<tt><small>%s</small> </tt>' % (' ' * 5)
traceback = []
for frame, file, lnum, func, lines, index in inspect_trace:
if file:
file = os.path.abspath(file)
else:
file = 'not found'
try:
file_list = file.split('/')
display_file = '/'.join(
file_list[file_list.index('Webware') + 1:])
except ValueError:
display_file = file
if display_file[-3:] == '.py':
display_file = display_file[:-3]
link = '<a name="%s:%d"></a><a href="file:%s">%s</a>' % (
file.replace('/', '-').replace('\\', '-'),
lnum, file.replace('\\', '/'), escape(display_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: '=' + html_repr(value))
names = []
dotted = [0, []]
def tokeneater(type, token, start, end, line, names=names, dotted=dotted):
if type == tokenize.OP and token == '.':
dotted[0] = 1
if type == tokenize.NAME and token not in keyword.kwlist:
if dotted[0]:
dotted[0] = 0
dotted[1].append(token)
if token not in names:
names.append(dotted[1][:])
elif token not in names:
if token != 'self':
names.append(token)
dotted[1] = [token]
if type == tokenize.NEWLINE:
raise IndexError
def linereader(file=file, lnum=[lnum]):
line = linecache.getline(file, lnum[0])
lnum[0] += 1
return line
try:
tokenize.tokenize(linereader, tokeneater)
except IndexError:
pass
lvals = []
for name in names:
if isinstance(name, types.ListType):
if locals.has_key(name[0]) or frame.f_globals.has_key(name[0]):
name_list, name = name, name[0]
if locals.has_key(name_list[0]):
value = locals[name_list[0]]
else:
value = frame.f_globals[name_list[0]]
name = '<em>global</em> %s' % name
for subname in name_list[1:]:
if hasattr(value, subname):
value = getattr(value, subname)
name += '.' + subname
else:
name += '.' + '(unknown: %s)' % subname
break
name = '<strong>%s</strong>' % name
if isinstance(value, types.MethodType):
value = None
else:
value = html_repr(value)
elif name in frame.f_code.co_varnames:
if locals.has_key(name):
value = html_repr(locals[name])
else:
value = '<em>undefined</em>'
name = '<strong>%s</strong>' % name
else:
if frame.f_globals.has_key(name):
value = html_repr(frame.f_globals[name])
else:
value = '<em>undefined</em>'
name = '<em>global</em> <strong>%s</strong>' % name
if value is not None:
lvals.append('%s = %s' % (name, value))
if lvals:
lvals = ', '.join(lvals)
lvals = indent + '<span style="%s">%s</span><br>\n' % (
opt['code.unaccent'], lvals)
else:
lvals = ''
level = ('<br><table width="100%%" style="%s"'
' cellspacing="0" cellpadding="2" border="0">'
'<tr><td>%s %s</td></tr></table>'
% (opt['subheader'], link, call))
excerpt = []
try:
i = lnum - index
except TypeError:
i = lnum
lines = lines or ['file not found']
for line in lines:
number = ' ' * (5-len(str(i))) + str(i)
number = '<span style="%s">%s</span>' % (
opt['code.unaccent'], number)
line = '<tt>%s %s</tt>' % (
number, pyhtml.preformat(line))
if i == lnum:
line = ('<table width="100%%" style="%s"'
' cellspacing="0" cellpadding="0" border="0">'
'<tr><td>%s</td></tr></table>'
% (opt['code.accent'], line))
excerpt.append('\n' + line)
if i == lnum:
excerpt.append(lvals)
i += 1
traceback.append(level + '\n'.join(excerpt))
exception = '<p><strong>%s</strong>: %s\n' % (etype, escape(str(evalue)))
attribs = []
if evalue is not None:
for name in dir(evalue):
if name.startswith('__'):
continue
value = html_repr(getattr(evalue, name))
attribs.append('<br>%s%s = %s\n' % (indent, name, value))
return javascript + head + ''.join(traceback) \
+ exception + ''.join(attribs) + '</p>\n'
def handler():
print breaker()
print html()
def html_repr(value):
html_repr_instance = pyhtml._repr_instance
enc_value = pyhtml.repr(value)
if len(enc_value) > html_repr_instance.maxstring:
plain_value = escape(repr(value))
return ('%s <a href="#" onClick="return popup_repr('
"'Full representation','%s')"
'" title="Full representation">(complete)</a>' % (enc_value,
escape(plain_value).replace("'", "\\'").replace('"', '"')))
else:
return enc_value
if __name__ == '__main__':
try:
import tester
except ImportError:
handler()