mirror of https://github.com/python/cpython
Minor doc clean-up.
* Show list of fields option before showing the single string alternative. * Remove the PS2 prompts so that the examples become cut-and-pastable.
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@ -565,9 +565,9 @@ they add the ability to access fields by name instead of position index.
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helpful docstring (with typename and field_names) and a helpful :meth:`__repr__`
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method which lists the tuple contents in a ``name=value`` format.
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The *field_names* are a single string with each fieldname separated by whitespace
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and/or commas, for example ``'x y'`` or ``'x, y'``. Alternatively, *field_names*
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can be a sequence of strings such as ``['x', 'y']``.
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The *field_names* are a sequence of strings such as ``['x', 'y']``.
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Alternatively, *field_names* can be a single string with each fieldname
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separated by whitespace and/or commas, for example ``'x y'`` or ``'x, y'``.
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Any valid Python identifier may be used for a fieldname except for names
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starting with an underscore. Valid identifiers consist of letters, digits,
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@ -595,7 +595,7 @@ Example:
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.. doctest::
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:options: +NORMALIZE_WHITESPACE
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>>> Point = namedtuple('Point', 'x y', verbose=True)
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>>> Point = namedtuple('Point', ['x', 'y'], verbose=True)
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class Point(tuple):
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'Point(x, y)'
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<BLANKLINE>
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@ -699,7 +699,7 @@ field names, the method and attribute names start with an underscore.
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Point(x=33, y=22)
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>>> for partnum, record in inventory.items():
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... inventory[partnum] = record._replace(price=newprices[partnum], timestamp=time.now())
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inventory[partnum] = record._replace(price=newprices[partnum], timestamp=time.now())
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.. attribute:: somenamedtuple._fields
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@ -734,15 +734,15 @@ functionality with a subclass. Here is how to add a calculated field and
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a fixed-width print format:
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>>> class Point(namedtuple('Point', 'x y')):
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... __slots__ = ()
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... @property
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... def hypot(self):
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... return (self.x ** 2 + self.y ** 2) ** 0.5
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... def __str__(self):
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... return 'Point: x=%6.3f y=%6.3f hypot=%6.3f' % (self.x, self.y, self.hypot)
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__slots__ = ()
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@property
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def hypot(self):
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return (self.x ** 2 + self.y ** 2) ** 0.5
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def __str__(self):
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return 'Point: x=%6.3f y=%6.3f hypot=%6.3f' % (self.x, self.y, self.hypot)
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>>> for p in Point(3, 4), Point(14, 5/7.):
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... print p
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print p
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Point: x= 3.000 y= 4.000 hypot= 5.000
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Point: x=14.000 y= 0.714 hypot=14.018
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@ -768,7 +768,7 @@ and more efficient to use a simple class declaration:
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>>> Status.open, Status.pending, Status.closed
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(0, 1, 2)
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>>> class Status:
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... open, pending, closed = range(3)
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open, pending, closed = range(3)
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.. seealso::
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