reporter.py 文件源码

def supported(self):
        """
        A class method that returns True if the current platform supports
        coloring terminal output using this method. Returns False otherwise.
        """
        # assuming stderr
        # isatty() returns False when SSHd into Win32 machine
        if 'CYGWIN' in os.environ:
            return True
        if not sys.stderr.isatty():
            return False # auto color only on TTYs
        try:
            import curses
            curses.setupterm()
            return curses.tigetnum("colors") > 2
        except:
            # guess false in case of error
            return False