jlog.py 文件源码

def trace(self, kwargs):
        exc_type, exc_value, exc_traceback = sys.exc_info()
        stack = traceback.extract_tb(exc_traceback)
        lines = []
        for i, s in enumerate(stack):
            filename = s.filename
            l = len(filename)
            shortfile = kwargs.get('shortfile', 40)
            if l > shortfile:
                filename = filename[filename.find('/', l - shortfile):]
            line = '%-40s:%-4s %s' % (
                blue() + filename, yellow() + str(s.lineno),
                '|' + '-' * (i * 4) + cyan() + s.name + ':' + red() + s.line)
            lines.append(line)
        lines = '\n\t'.join(lines)
        kwargs['extra'] = {
            'trace': magenta() + str(exc_type) + ' ' + bold() + magenta() + str(exc_value) + '\n\t' + lines}