[Python-checkins] r59822 - python/trunk/Doc/library/collections.rst
georg.brandl
python-checkins at python.org
Mon Jan 7 17:43:48 CET 2008
Author: georg.brandl
Date: Mon Jan 7 17:43:47 2008
New Revision: 59822
Modified:
python/trunk/Doc/library/collections.rst
Log:
Restore "somenamedtuple" as the "class" for named tuple attrs.
Modified: python/trunk/Doc/library/collections.rst
==============================================================================
--- python/trunk/Doc/library/collections.rst (original)
+++ python/trunk/Doc/library/collections.rst Mon Jan 7 17:43:47 2008
@@ -349,7 +349,7 @@
.. _named-tuple-factory:
:func:`namedtuple` Factory Function for Tuples with Named Fields
------------------------------------------------------------------
+----------------------------------------------------------------
Named tuples assign meaning to each position in a tuple and allow for more readable,
self-documenting code. They can be used wherever regular tuples are used, and
@@ -448,7 +448,7 @@
In addition to the methods inherited from tuples, named tuples support
three additional methods and one attribute.
-.. method:: namedtuple._make(iterable)
+.. method:: somenamedtuple._make(iterable)
Class method that makes a new instance from an existing sequence or iterable.
@@ -458,7 +458,7 @@
>>> Point._make(t)
Point(x=11, y=22)
-.. method:: namedtuple._asdict()
+.. method:: somenamedtuple._asdict()
Return a new dict which maps field names to their corresponding values:
@@ -467,7 +467,7 @@
>>> p._asdict()
{'x': 11, 'y': 22}
-.. method:: namedtuple._replace(kwargs)
+.. method:: somenamedtuple._replace(kwargs)
Return a new instance of the named tuple replacing specified fields with new values:
@@ -480,7 +480,7 @@
>>> for partnum, record in inventory.items():
... inventory[partnum] = record._replace(price=newprices[partnum], updated=time.now())
-.. attribute:: namedtuple._fields
+.. attribute:: somenamedtuple._fields
Tuple of strings listing the field names. This is useful for introspection
and for creating new named tuple types from existing named tuples.
@@ -496,9 +496,7 @@
Pixel(x=11, y=22, red=128, green=255, blue=0)'
To retrieve a field whose name is stored in a string, use the :func:`getattr`
-function:
-
-::
+function::
>>> getattr(p, 'x')
11
@@ -534,9 +532,7 @@
return self._make(_map(kwds.pop, ('x', 'y'), self))
Default values can be implemented by starting with a prototype instance
-and customizing it with :meth:`_replace`:
-
-::
+and customizing it with :meth:`_replace`::
>>> Account = namedtuple('Account', 'owner balance transaction_count')
>>> model_account = Account('<owner name>', 0.0, 0)
More information about the Python-checkins
mailing list