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How to use _formatException method in fMBT

Best Python code snippet using fMBT_python

cs50.py

Source:cs50.py

...12# Prevent flask, werkzeug, etc from adding default handler13logging.basicConfig(format="%(levelname)s: %(message)s", level=logging.DEBUG)14try:15    # Patch formatException16    logging.root.handlers[0].formatter.formatException = lambda exc_info: _formatException(*exc_info)17except IndexError:18    pass19# Configure cs50 logger20_logger = logging.getLogger("cs50")21_logger.setLevel(logging.DEBUG)22# Log messages once23_logger.propagate = False24handler = logging.StreamHandler()25handler.setLevel(logging.DEBUG)26formatter = logging.Formatter("%(levelname)s: %(message)s")27formatter.formatException = lambda exc_info: _formatException(*exc_info)28handler.setFormatter(formatter)29_logger.addHandler(handler)30class _flushfile():31    """32    Disable buffering for standard output and standard error.33    http://stackoverflow.com/a/23121634    """35    def __init__(self, f):36        self.f = f37    def __getattr__(self, name):38        return object.__getattribute__(self.f, name)39    def write(self, x):40        self.f.write(x)41        self.f.flush()42sys.stderr = _flushfile(sys.stderr)43sys.stdout = _flushfile(sys.stdout)44def _formatException(type, value, tb):45    """46    Format traceback, darkening entries from global site-packages directories47    and user-specific site-packages directory.48    https://stackoverflow.com/a/46071447/515619049    """50    # Absolute paths to site-packages51    packages = tuple(join(abspath(p), "") for p in sys.path[1:])52    # Highlight lines not referring to files in site-packages53    lines = []54    for line in format_exception(type, value, tb):55        matches = re.search(r"^  File \"([^\"]+)\", line \d+, in .+", line)56        if matches and matches.group(1).startswith(packages):57            lines += line58        else:59            matches = re.search(r"^(\s*)(.*?)(\s*)$", line, re.DOTALL)60            lines.append(matches.group(1) + colored(matches.group(2), "yellow") + matches.group(3))61    return "".join(lines).rstrip()62sys.excepthook = lambda type, value, tb: print(_formatException(type, value, tb), file=sys.stderr)63def eprint(*args, **kwargs):64    raise RuntimeError("The CS50 Library for Python no longer supports eprint, but you can use print instead!")65def get_char(prompt):66    raise RuntimeError("The CS50 Library for Python no longer supports get_char, but you can use get_string instead!")67def get_float(prompt):68    """69    Read a line of text from standard input and return the equivalent float70    as precisely as possible; if text does not represent a double, user is71    prompted to retry. If line can't be read, return None.72    """73    while True:74        s = get_string(prompt)75        if s is None:76            return None...

Formatter.py

Source:Formatter.py

...35        self._fmt = fmt36        self._exceptionfmt = exceptionfmt37    def formatException(self, exc_info):38        return ""39    def _formatException(self, exc_info):40        return self._exceptionfmt % { 41            "classname": exc_info[0].__module__ + "." + exc_info[0].__name__,42            "message": exc_info[1],43            "traceback": "".join(format_tb(exc_info[2])).rstrip()44        }45    def format(self, record):46        if not(record.exc_info is None) and self.formatStackTrace:47            return super(SimpleFormatter, self).format(record).rstrip() + "\n" + self._formatException(record.exc_info).rstrip()48            #return self._formatException(record.exc_info).rstrip() + "\n" + super(SimpleFormatter, self).format(record)49        else:50            return super(SimpleFormatter, self).format(record)51class ColoredFormatter(logging.Formatter):52    datefmt = "%Y-%m-%d %H:%M:%S"53    _fmt = None54    _exceptionfmt = None55    useColors = True56    formatStackTrace = False57    def __init__(self, fmt=None, datefmt="%Y-%m-%d %H:%M:%S", exceptionfmt="Traceback (most recent call last):\n%(traceback)s\n%(classname)s: %(message)s"):58        # set standard Formatter values59        self.datefmt = datefmt60        self._fmt = fmt61        self._exceptionfmt = exceptionfmt62        # set colors63        self._fmt = Template(fmt).safe_substitute(SHELL_COLORS)64        self._exceptionfmt = Template(exceptionfmt).safe_substitute(SHELL_COLORS)65        # do we have a tty?66        if sys.stdout.isatty() or os.isatty(sys.stdout.fileno()):67            self.useColors = True68        else:69            self.useColors = False70        # remove all colors71        if not self.useColors:72            self._fmt = re.sub("\033\[(\d+|;)+m", "", self._fmt)73            self._exceptionfmt = re.sub("\033\[(\d+|;)+m", "", self._exceptionfmt)74    def formatException(self, exc_info):75        return ""76    def _formatException(self, exc_info):77        return self._exceptionfmt % { 78            "classname": exc_info[0].__module__ + "." + exc_info[0].__name__,79            "message": exc_info[1],80            "traceback": "".join(format_tb(exc_info[2])).rstrip()81        }82    def format(self, record):83        fmt = self._fmt84        try:85            if self.useColors:86                self._fmt = Template(fmt).safe_substitute({ "color_level":  LOG_LEVEL_COLORS[record.levelname.upper()] })87            else:88                self._fmt = Template(fmt).safe_substitute({ "color_level":  "" })89            if not(record.exc_info is None) and self.formatStackTrace:90                return super(ColoredFormatter, self).format(record).rstrip() + "\n" + self._formatException(record.exc_info).rstrip()91                #return self._formatException(record.exc_info).rstrip() + "\n" + super(ColoredFormatter, self).format(record)92            else:93                return super(ColoredFormatter, self).format(record)94        finally:...

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