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Diffstat (limited to 'decorator/documentation3.py')
| -rw-r--r-- | decorator/documentation3.py | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/decorator/documentation3.py b/decorator/documentation3.py index c34842e..3df2e47 100644 --- a/decorator/documentation3.py +++ b/decorator/documentation3.py @@ -244,6 +244,8 @@ stored in a dictionary named ``__annotations__``. The decorator module, starting from release 3.3, is able to understand and to preserve the annotations. Here is an example: +.. code-block:: python + >>> @trace ... def f(x: 'the first argument', y: 'default argument'=1, z=2, ... *args: 'varargs', **kw: 'kwargs'): @@ -252,6 +254,8 @@ annotations. Here is an example: In order to introspect functions with annotations, one needs the utility ``inspect.getfullargspec``, new in Python 3: +.. code-block:: python + >>> from inspect import getfullargspec >>> argspec = getfullargspec(f) >>> argspec.args @@ -270,11 +274,15 @@ utility ``inspect.getfullargspec``, new in Python 3: You can also check that the ``__annotations__`` dictionary is preserved: +.. code-block:: python + >>> f.__annotations__ == f.undecorated.__annotations__ True The two dictionaries are different objects, though +.. code-block:: python + >>> id(f.__annotations__) != id(f.undecorated.__annotations__) True |