verbose_run.py

class JLI(object):
	"""JLI"""
	def __init__(self):
		pass

	def check_verbose(self):
	    try:
	        self.verbose 
	    except AttributeError:
	        return False
	    return self.verbose
	
	def set_verbose(self):
	    self.verbose = True

	def call(self, *args, **kwargs):
	    if self.check_verbose() is True:
	    	self.verbose_run(*args, **kwargs)
	    else:
	        self.run(*args)

	def run(self, *args):
	    print('Running {0}'.format(' '.join(*args)))
	
	def verbose_run(self, *args, **kwargs):
	    error_message = kwargs.get('error_message')
	    print('Verbose running {0}'.format(' '.join(*args)))
	    print('{0} happened'.format(error_message))