diff --git a/Doc/library/numbers.rst b/Doc/library/numbers.rst index 2a05b56db051f9..17d1a275f04c9b 100644 --- a/Doc/library/numbers.rst +++ b/Doc/library/numbers.rst @@ -8,7 +8,7 @@ -------------- -The :mod:`numbers` module (:pep:`3141`) defines a hierarchy of numeric +The :mod:`!numbers` module (:pep:`3141`) defines a hierarchy of numeric :term:`abstract base classes ` which progressively define more operations. None of the types defined in this module are intended to be instantiated. @@ -45,7 +45,7 @@ The numeric tower .. class:: Real - To :class:`Complex`, :class:`Real` adds the operations that work on real + To :class:`Complex`, :class:`!Real` adds the operations that work on real numbers. In short, those are: a conversion to :class:`float`, :func:`math.trunc`, @@ -126,7 +126,8 @@ We want to implement the arithmetic operations so that mixed-mode operations either call an implementation whose author knew about the types of both arguments, or convert both to the nearest built in type and do the operation there. For subtypes of :class:`Integral`, this -means that :meth:`__add__` and :meth:`__radd__` should be defined as:: +means that :meth:`~object.__add__` and :meth:`~object.__radd__` should be +defined as:: class MyIntegral(Integral): @@ -160,15 +161,15 @@ refer to ``MyIntegral`` and ``OtherTypeIKnowAbout`` as of :class:`Complex` (``a : A <: Complex``), and ``b : B <: Complex``. I'll consider ``a + b``: -1. If ``A`` defines an :meth:`__add__` which accepts ``b``, all is +1. If ``A`` defines an :meth:`~object.__add__` which accepts ``b``, all is well. 2. If ``A`` falls back to the boilerplate code, and it were to - return a value from :meth:`__add__`, we'd miss the possibility - that ``B`` defines a more intelligent :meth:`__radd__`, so the + return a value from :meth:`~object.__add__`, we'd miss the possibility + that ``B`` defines a more intelligent :meth:`~object.__radd__`, so the boilerplate should return :const:`NotImplemented` from - :meth:`__add__`. (Or ``A`` may not implement :meth:`__add__` at + :meth:`!__add__`. (Or ``A`` may not implement :meth:`!__add__` at all.) -3. Then ``B``'s :meth:`__radd__` gets a chance. If it accepts +3. Then ``B``'s :meth:`~object.__radd__` gets a chance. If it accepts ``a``, all is well. 4. If it falls back to the boilerplate, there are no more possible methods to try, so this is where the default implementation @@ -180,7 +181,7 @@ Complex``. I'll consider ``a + b``: If ``A <: Complex`` and ``B <: Real`` without sharing any other knowledge, then the appropriate shared operation is the one involving the built -in :class:`complex`, and both :meth:`__radd__` s land there, so ``a+b +in :class:`complex`, and both :meth:`~object.__radd__` s land there, so ``a+b == b+a``. Because most of the operations on any given type will be very similar, diff --git a/Doc/tools/.nitignore b/Doc/tools/.nitignore index 5a64a7c37a2025..fa26924e8d20a2 100644 --- a/Doc/tools/.nitignore +++ b/Doc/tools/.nitignore @@ -68,7 +68,6 @@ Doc/library/lzma.rst Doc/library/mmap.rst Doc/library/multiprocessing.rst Doc/library/multiprocessing.shared_memory.rst -Doc/library/numbers.rst Doc/library/optparse.rst Doc/library/os.rst Doc/library/pickle.rst