gdebug.py 文件源码

def initialize_debug_mode(self, mode, logdir = None):
        # on windows systems all output to stdout goes to a black hole
        # if py2exe is used.
        # so we use a normal window and redirect output from sys.stderr
        # and sys.stdout. it is easier to use for windows users.
        #
        # but we have to do a second trick to get the output from the logging
        # module WITHOUT (!) writing the output twice, one in the window, one
        # to stderr/console/py2exe:
        # removing the handlers from the root logger and reinitialized via
        # logging.basicConfig
        # there is no other way to prevent py2exe showing a error message and
        # generating the .log file in the installation directory
        try:
            if os.name == 'nt' or os.name.startswith('win'): # win32, win64
                if mode:
                    if self.debugWindow is None:
                        self.debugWindow = DebugWindow(None)
                    if not self.windowredirector:
                        self.windowredirector = DebugWindowRedirector(self.debugWindow, logdir)
                    else:
                        self.windowredirector.set_logdir(logdir)
                    sys.stderr = sys.stdout = self.windowredirector
                    # resetting default logging configuration
                    logging.getLogger().handlers = []
                    logging.basicConfig(stream = sys.stderr, format='%(asctime)s: %(levelname)s: %(name)s(%(module)s:%(lineno)d): %(message)s', datefmt='%Y-%m-%dT%H:%M:%S')
                elif hasattr(sys, 'frozen') and sys.frozen == 'windows_exe':
                    # if a windows exe is build via py2exe, redirect all output
                    if not self.blackholebuffer:
                        self.blackholebuffer = DebugBlackholeBufferRedirector(sys.stderr, logdir)
                    else:
                        self.blackholebuffer.set_logdir(logdir)
                    sys.stderr = sys.stdout = self.blackholebuffer
                    # resetting default logging configuration
                    logging.getLogger().handlers = []
                    logging.basicConfig(stream = sys.stderr, format='%(asctime)s: %(levelname)s: %(name)s(%(module)s:%(lineno)d): %(message)s', datefmt='%Y-%m-%dT%H:%M:%S')
        except:
            log.exception('')

#
# used on windows systems
# shows a windows with a text view which displays the
# debug output provided by DebugWindowRedirector
#