diff options
| -rw-r--r-- | Doc/reference/datamodel.rst | 35 |
1 files changed, 12 insertions, 23 deletions
diff --git a/Doc/reference/datamodel.rst b/Doc/reference/datamodel.rst index 56eccc2..00516d1 100644 --- a/Doc/reference/datamodel.rst +++ b/Doc/reference/datamodel.rst @@ -1714,6 +1714,7 @@ left undefined. .. method:: object.__add__(self, other) object.__sub__(self, other) object.__mul__(self, other) + object.__truediv__(self, other) object.__floordiv__(self, other) object.__mod__(self, other) object.__divmod__(self, other) @@ -1730,33 +1731,22 @@ left undefined. builtin: pow These methods are called to implement the binary arithmetic operations (``+``, - ``-``, ``*``, ``//``, ``%``, :func:`divmod`, :func:`pow`, ``**``, ``<<``, + ``-``, ``*``, ``/``, ``//``, ``%``, :func:`divmod`, :func:`pow`, ``**``, ``<<``, ``>>``, ``&``, ``^``, ``|``). For instance, to evaluate the expression ``x + y``, where *x* is an instance of a class that has an :meth:`__add__` method, ``x.__add__(y)`` is called. The :meth:`__divmod__` method should be the equivalent to using :meth:`__floordiv__` and :meth:`__mod__`; it should not be - related to :meth:`__truediv__` (described below). Note that :meth:`__pow__` - should be defined to accept an optional third argument if the ternary version of - the built-in :func:`pow` function is to be supported. + related to :meth:`__truediv__`. Note that :meth:`__pow__` should be defined + to accept an optional third argument if the ternary version of the built-in + :func:`pow` function is to be supported. If one of those methods does not support the operation with the supplied arguments, it should return ``NotImplemented``. -.. method:: object.__div__(self, other) - object.__truediv__(self, other) - - The division operator (``/``) is implemented by these methods. The - :meth:`__truediv__` method is used when ``__future__.division`` is in effect, - otherwise :meth:`__div__` is used. If only one of these two methods is defined, - the object will not support division in the alternate context; :exc:`TypeError` - will be raised instead. - - .. method:: object.__radd__(self, other) object.__rsub__(self, other) object.__rmul__(self, other) - object.__rdiv__(self, other) object.__rtruediv__(self, other) object.__rfloordiv__(self, other) object.__rmod__(self, other) @@ -1773,13 +1763,13 @@ left undefined. builtin: pow These methods are called to implement the binary arithmetic operations (``+``, - ``-``, ``*``, ``/``, ``%``, :func:`divmod`, :func:`pow`, ``**``, ``<<``, ``>>``, - ``&``, ``^``, ``|``) with reflected (swapped) operands. These functions are - only called if the left operand does not support the corresponding operation and - the operands are of different types. [#]_ For instance, to evaluate the - expression ``x - y``, where *y* is an instance of a class that has an - :meth:`__rsub__` method, ``y.__rsub__(x)`` is called if ``x.__sub__(y)`` returns - *NotImplemented*. + ``-``, ``*``, ``/``, ``//``, ``%``, :func:`divmod`, :func:`pow`, ``**``, + ``<<``, ``>>``, ``&``, ``^``, ``|``) with reflected (swapped) operands. + These functions are only called if the left operand does not support the + corresponding operation and the operands are of different types. [#]_ For + instance, to evaluate the expression ``x - y``, where *y* is an instance of + a class that has an :meth:`__rsub__` method, ``y.__rsub__(x)`` is called if + ``x.__sub__(y)`` returns *NotImplemented*. .. index:: builtin: pow @@ -1797,7 +1787,6 @@ left undefined. .. method:: object.__iadd__(self, other) object.__isub__(self, other) object.__imul__(self, other) - object.__idiv__(self, other) object.__itruediv__(self, other) object.__ifloordiv__(self, other) object.__imod__(self, other) |