from test_support import verbose, TestFailed class F: def a(self): pass def b(): 'my docstring' pass # setting attributes on functions try: b.publish except AttributeError: pass else: raise TestFailed, 'expected AttributeError' if b.__dict__ <> None: raise TestFailed, 'expected unassigned func.__dict__ to be None' b.publish = 1 if b.publish <> 1: raise TestFailed, 'function attribute not set to expected value' docstring = 'its docstring' b.__doc__ = docstring if b.__doc__ <> docstring: raise TestFailed, 'problem with setting __doc__ attribute' if 'publish' not in dir(b): raise TestFailed, 'attribute not in dir()' del b.__dict__ if b.__dict__ <> None: raise TestFailed, 'del func.__dict__ did not result in __dict__ == None' b.publish = 1 b.__dict__ = None if b.__dict__ <> None: raise TestFailed, 'func.__dict__ = None did not result in __dict__ == None' f1 = F() f2 = F() try: F.a.publish except AttributeError: pass else: raise TestFailed, 'expected AttributeError' try: f1.a.publish except AttributeError: pass else: raise TestFailed, 'expected AttributeError' # In Python 2.1 beta 1, we disallowed setting attributes on unbound methods # (it was already disallowed on bound methods). See the PEP for details. try: F.a.publish = 1 except TypeError: pass else: raise TestFailed, 'expected TypeError' # But setting it explicitly on the underlying function object is okay. F.a.im_func.publish = 1 if F.a.publish <> 1: raise TestFailed, 'unbound method attribute not set to expected value' if f1.a.publish <> 1: raise TestFailed, 'bound method attribute access did not work' if f2.a.publish <> 1: raise TestFailed, 'bound method attribute access did not work' if 'publish' not in dir(F.a): raise TestFailed, 'attribute not in dir()' try: f1.a.publish = 0 except TypeError: pass else: raise TestFailed, 'expected TypeError' # See the comment above about the change in semantics for Python 2.1b1 try: F.a.myclass = F except TypeError: pass else: raise TestFailed, 'expected TypeError' F.a.im_func.myclass = F f1.a.myclass f2.a.myclass f1.a.myclass F.a.myclass if f1.a.myclass is not f2.a.myclass or \ f1.a.myclass is not F.a.myclass: raise TestFailed, 'attributes were not the same' # try setting __dict__ try: F.a.__dict__ = (1, 2, 3) except TypeError: pass else: raise TestFailed, 'expected TypeError' F.a.im_func.__dict__ = {'one': 11, 'two': 22, 'three': 33} if f1.a.two <> 22: raise TestFailed, 'setting __dict__' from UserDict import UserDict d = UserDict({'four': 44, 'five': 55}) try: F.a.__dict__ = d except TypeError: pass else: raise TestFailed if f2.a.one <> f1.a.one <> F.a.one <> 11: raise TestFailed # im_func may not be a Python method! import new F.id = new.instancemethod(id, None, F) eff = F() if eff.id() <> id(eff): raise TestFailed try: F.id.foo except AttributeError: pass else: raise TestFailed try: F.id.foo = 12 except TypeError: pass else: raise TestFailed try: F.id.foo except AttributeError: pass else: raise TestFailed try: eff.id.foo except AttributeError: pass else: raise TestFailed try: eff.id.foo = 12 except TypeError: pass else: raise TestFailed try: eff.id.foo except AttributeError: pass else: raise TestFailed # Regression test for a crash in pre-2.1a1 def another(): pass del another.__dict__ del another.func_dict another.func_dict = None try: del another.bar except AttributeError: pass else: raise TestFailed # This isn't specifically related to function attributes, but it does test a # core dump regression in funcobject.c del another.func_defaults def foo(): pass def bar(): pass def temp(): print 1 if foo==bar: raise TestFailed d={} d[foo] = 1 foo.func_code = temp.func_code d[foo]