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: - file = file and os.path.abspath(file) or '?' - link = '%s' % (file, pydoc.html.escape(file)) - 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' % (strong(str(etype)), str(evalue))]
- if type(evalue) is types.InstanceType:
- for name in dir(evalue):
- value = pydoc.html.repr(getattr(evalue, name))
- exception.append('\n
%s%s =\n%s' % (indent, name, value))
-
- import traceback
- return head + ''.join(frames) + ''.join(exception) + '''
-
-
-
-''' % ''.join(traceback.format_exception(etype, evalue, etb))
-
-def text((etype, evalue, etb), context=5):
- """Return a plain text document describing a given traceback."""
- import os, types, time, traceback, linecache, inspect, pydoc
-
- if type(etype) is types.ClassType:
- etype = etype.__name__
- pyver = 'Python ' + sys.version.split()[0] + ': ' + sys.executable
- date = time.ctime(time.time())
- head = "%s\n%s\n%s\n" % (str(etype), 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 = ' ' * 5 + ' '
- frames = []
- records = inspect.getinnerframes(etb, context)
- for frame, file, lnum, func, lines, index in records:
- file = file and os.path.abspath(file) or '?'
- args, varargs, varkw, locals = inspect.getargvalues(frame)
- call = ''
- if func != '?':
- call = 'in ' + func + \
- inspect.formatargvalues(args, varargs, varkw, locals,
- formatvalue=lambda value: '=' + pydoc.text.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' % (file, call)]
- if index is not None:
- i = lnum - index
- for line in lines:
- num = '%5d ' % i
- rows.append(num+line.rstrip())
- 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 == 'global': name = 'global ' + name
- elif where == 'local': name = name
- else: name = where + name.split('.')[-1]
- dump.append('%s = %s' % (name, pydoc.text.repr(value)))
- else:
- dump.append(name + ' undefined')
-
- rows.append('\n'.join(dump))
- frames.append('\n%s\n' % '\n'.join(rows))
-
- exception = ['%s: %s' % (str(etype), str(evalue))]
- if type(evalue) is types.InstanceType:
- for name in dir(evalue):
- value = pydoc.text.repr(getattr(evalue, name))
- exception.append('\n%s%s =\n%s' % (indent, name, value))
-
- import traceback
- return head + ''.join(frames) + ''.join(exception) + '''
-
-The above is a description of an error in a Python program. Here is
-the original traceback:
-
-%s
-''' % ''.join(traceback.format_exception(etype, evalue, etb))
-
-class Hook:
- """A hook to replace sys.excepthook that shows tracebacks in HTML."""
-
- def __init__(self, display=1, logdir=None, context=5, file=None,
- format="html"):
- self.display = display # send tracebacks to browser if true
- self.logdir = logdir # log tracebacks to files if not None
- self.context = context # number of source code lines per frame
- self.file = file or sys.stdout # place to send the output
- self.format = format
-
- def __call__(self, etype, evalue, etb):
- self.handle((etype, evalue, etb))
-
- def handle(self, info=None):
- info = info or sys.exc_info()
- if self.format == "html":
- self.file.write(reset())
-
- formatter = (self.format=="html") and html or text
- plain = 0
- try:
- doc = formatter(info, self.context)
- except: # just in case something goes wrong
- import traceback
- doc = ''.join(traceback.format_exception(*info))
- plain = 1
-
- if self.display:
- if plain:
- doc = doc.replace('&', '&').replace('<', '<')
- self.file.write('
' + doc + '\n') - else: - self.file.write(doc + '\n') - else: - self.file.write('
A problem occurred in a Python script.\n') - - if self.logdir is not None: - import os, tempfile - name = tempfile.mktemp(['.txt', '.html'][self.format=="html"]) - path = os.path.join(self.logdir, os.path.basename(name)) - try: - file = open(path, 'w') - file.write(doc) - file.close() - msg = '
%s contains the description of this error.' % path - except: - msg = '
Tried to save traceback to %s, but failed.' % path - self.file.write(msg + '\n') - try: - self.file.flush() - except: pass - -handler = Hook().handle -def enable(display=1, logdir=None, context=5, format="html"): - """Install an exception handler that formats tracebacks as HTML. - - The optional argument 'display' can be set to 0 to suppress sending the - traceback to the browser, and 'logdir' can be set to a directory to cause - tracebacks to be written to files there.""" - sys.excepthook = Hook(display=display, logdir=logdir, - context=context, format=format) -# vim:set shiftwidth=4 tabstop=8 expandtab textwidth=78: