cdef class CommonMethod:
	def __init__(CommonMethod self, str method_name):
		self.method_name = method_name
		self.module_names = []
		self.modules = []
	
	def link_module(CommonMethod self, Module module):
		self.module_names.append(module._name)
		self.modules.append(module)
	
	def unlink_module(CommonMethod self, module_name):
		i = self.module_names.index(module_name)
		
		del self.module_names[i]
		del self.modules[i]
	
	def __call__(CommonMethod self, *args):
		return_values = []
		
		for module in self.modules:
			return_values.append(getattr(module, self.method_name).__call__(*args))
		
		return return_values
	
	def __repr__(self):
		return 'CommonMethod(name=%s)' %(self.method_name)
	
	@property
	def _name(self):
		return repr(self)