upstream/ipython Files · IPython/core/tests/test_autocall.py

Speedup builtin_trap enter/exit by reducing object creation....

Speedup builtin_trap enter/exit by reducing object creation. Most of the work that was being done on *every* enter/exit cycle could be done statically only once, at object creation time. This trap is used on every single code execution, so we need it to be fast. In the long run we probably want to rethink this system altogether, but for now at least we want it fast.

Fernando Perez - - Load All Authors

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      """These kinds of tests are less than ideal, but at least they run.

      This was an old test that was being run interactively in the top-level tests/

      directory, which we are removing.  For now putting this here ensures at least

      we do run the test, though ultimately this functionality should all be tested

      with better-isolated tests that don't rely on the global instance in iptest.

      """

      def doctest_autocall():

          """

          In [1]: def f1(a,b,c):

             ...:     return a+b+c

             ...: 

          In [2]: def f2(a):

             ...:     return a + a

             ...:   

          In [3]: ;f2 a b c

          Out[3]: 'a b ca b c'

          In [4]: assert _ == "a b ca b c"

          In [5]: ,f1 a b c

          Out[5]: 'abc'

          In [6]: assert _ == 'abc'

          In [7]: print _

          abc

          In [8]: /f1 1,2,3

          Out[8]: 6

          In [9]: assert _ == 6

          In [10]: /f2 4

          Out[10]: 8

          In [11]: assert _ == 8

          In [11]: del f1, f2

          """

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				"""These kinds of tests are less than ideal, but at least they run.

				This was an old test that was being run interactively in the top-level tests/
				directory, which we are removing. For now putting this here ensures at least
				we do run the test, though ultimately this functionality should all be tested
				with better-isolated tests that don't rely on the global instance in iptest.
				"""

				def doctest_autocall():
				"""
				In [1]: def f1(a,b,c):
				...: return a+b+c
				...:

				In [2]: def f2(a):
				...: return a + a
				...:

				In [3]: ;f2 a b c
				Out[3]: 'a b ca b c'

				In [4]: assert _ == "a b ca b c"

				In [5]: ,f1 a b c
				Out[5]: 'abc'

				In [6]: assert _ == 'abc'

				In [7]: print _
				abc

				In [8]: /f1 1,2,3
				Out[8]: 6

				In [9]: assert _ == 6

				In [10]: /f2 4
				Out[10]: 8

				In [11]: assert _ == 8

				In [11]: del f1, f2
				"""