Non-data descriptors as applied to http://stackoverflow.com/q/40695883/3001761

demo.py

VERB_QUIET = 0


class VerbosityLevel(object):

    def __init__(self, level):
        self.level = level

    def __get__(self, obj, _):
        return obj.level >= self.level

    
class Verbosity(object):
    """Class used to determine what to print to standard output.

    Attributes:
      level: Determines what level of output to print.

    """
    
    def __init__(self, level=VERB_QUIET):
        self.level = level

    quiet = VerbosityLevel(VERB_QUIET)