# 標準ライブラリ cgitb.pyより抜粋 def html(einfo, context=5): """Return a nice HTML document describing a given traceback.""" etype, evalue, etb = einfo if isinstance(etype, type): etype = etype.__name__ pyver = 'Python ' + sys.version.split()[0] + ': ' + sys.executable date = time.ctime(time.time()) head = '' + pydoc.html.heading( '%s' % strong(pydoc.html.escape(str(etype))), '#ffffff', '#6622aa', pyver + '
' + date) + '''

A problem occurred in a Python script. Here is the sequence of function calls leading up to the error, in the order they occurred.

''' indent = '' + small(' ' * 5) + ' ' frames = [] records = inspect.getinnerframes(etb, context) for frame, file, lnum, func, lines, index in records: if file: file = os.path.abspath(file) link = '%s' % (file, pydoc.html.escape(file)) else: file = link = '?' args, varargs, varkw, locals = inspect.getargvalues(frame) call = '' if func != '?': call = 'in ' + strong(func) + \ inspect.formatargvalues(args, varargs, varkw, locals, formatvalue=lambda value: '=' + pydoc.html.repr(value)) highlight = {} def reader(lnum=[lnum]): highlight[lnum[0]] = 1 try: return linecache.getline(file, lnum[0]) finally: lnum[0] += 1 vars = scanvars(reader, frame, locals) rows = ['%s%s %s' % (' ', link, call)] if index is not None: i = lnum - index for line in lines: num = small(' ' * (5-len(str(i))) + str(i)) + ' ' if i in highlight: line = '=>%s%s' % (num, pydoc.html.preformat(line)) rows.append('%s' % line) else: line = ' %s%s' % (num, pydoc.html.preformat(line)) rows.append('%s' % grey(line)) i += 1 done, dump = {}, [] for name, where, value in vars: if name in done: continue done[name] = 1 if value is not __UNDEF__: if where in ('global', 'builtin'): name = ('%s ' % where) + strong(name) elif where == 'local': name = strong(name) else: name = where + strong(name.split('.')[-1]) dump.append('%s = %s' % (name, pydoc.html.repr(value))) else: dump.append(name + ' undefined') rows.append('%s' % small(grey(', '.join(dump)))) frames.append(''' %s

''' % '\n'.join(rows)) exception = ['

%s: %s' % (strong(pydoc.html.escape(str(etype))), pydoc.html.escape(str(evalue)))] for name in dir(evalue): if name[:1] == '_': continue value = pydoc.html.repr(getattr(evalue, name)) exception.append('\n
%s%s =\n%s' % (indent, name, value)) return head + ''.join(frames) + ''.join(exception) + ''' ''' % pydoc.html.escape( ''.join(traceback.format_exception(etype, evalue, etb)))