from AppKit import *
from PyObjCTools import AppHelper
class MyFormatter(NSFormatter):
def stringForObjectValue_(self, product):
if isinstance(product, (str, unicode)):
return product
return str(product)
def getObjectValue_forString_errorDescription_(self, value, upc, error):
print self, upc
if not upc:
print "No data"
return True, None, None
print "Have data"
return False, None, NSString.stringWithString_("Foo the %s"%("bar",))
AppHelper.runEventLoop()
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