upstream/ipython Files · IPython/utils/tests/test_pickleutil.py

Remove EventManager reset methods, because they violate encapsulation....

Remove EventManager reset methods, because they violate encapsulation. The whole idea of the EventManager is that you can register hooks without worrying about what hooks other pieces of code might be registering. The reset methods violate this separation of concerns, since they will blow away everyone else's hooks too. (See gh-6680 for an example of this breaking things.) Since there is never any safe way to use them, we simply remove them entirely.

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             test_pickleutil.py
        
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      import pickle

      import nose.tools as nt

      from IPython.utils import codeutil

      from IPython.utils.pickleutil import can, uncan

      def interactive(f):

          f.__module__ = '__main__'

          return f

      def dumps(obj):

          return pickle.dumps(can(obj))

      def loads(obj):

          return uncan(pickle.loads(obj))

      def test_no_closure():

          @interactive

          def foo():

              a = 5

              return a

          pfoo = dumps(foo)

          bar = loads(pfoo)

          nt.assert_equal(foo(), bar())

      def test_generator_closure():

          # this only creates a closure on Python 3

          @interactive

          def foo():

              i = 'i'

              r = [ i for j in (1,2) ]

              return r

          pfoo = dumps(foo)

          bar = loads(pfoo)

          nt.assert_equal(foo(), bar())

      def test_nested_closure():

          @interactive

          def foo():

              i = 'i'

              def g():

                  return i

              return g()

          pfoo = dumps(foo)

          bar = loads(pfoo)

          nt.assert_equal(foo(), bar())

      def test_closure():

          i = 'i'

          @interactive

          def foo():

              return i

          pfoo = dumps(foo)

          bar = loads(pfoo)

          nt.assert_equal(foo(), bar())

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				import pickle

				import nose.tools as nt
				from IPython.utils import codeutil
				from IPython.utils.pickleutil import can, uncan

				def interactive(f):
				f.__module__ = '__main__'
				return f

				def dumps(obj):
				return pickle.dumps(can(obj))

				def loads(obj):
				return uncan(pickle.loads(obj))

				def test_no_closure():
				@interactive
				def foo():
				a = 5
				return a

				pfoo = dumps(foo)
				bar = loads(pfoo)
				nt.assert_equal(foo(), bar())

				def test_generator_closure():
				# this only creates a closure on Python 3
				@interactive
				def foo():
				i = 'i'
				r = [ i for j in (1,2) ]
				return r

				pfoo = dumps(foo)
				bar = loads(pfoo)
				nt.assert_equal(foo(), bar())

				def test_nested_closure():
				@interactive
				def foo():
				i = 'i'
				def g():
				return i
				return g()

				pfoo = dumps(foo)
				bar = loads(pfoo)
				nt.assert_equal(foo(), bar())

				def test_closure():
				i = 'i'
				@interactive
				def foo():
				return i

				pfoo = dumps(foo)
				bar = loads(pfoo)
				nt.assert_equal(foo(), bar())