From 1db6f80cd5259841f1387f14bf773ebc3c946502 Mon Sep 17 00:00:00 2001 From: Raymond Hettinger Date: Mon, 7 Jan 2008 05:50:35 +0000 Subject: [PATCH] Cleanup subclassing example to more clearly show fixed-width print format. --- Doc/library/collections.rst | 10 +++++----- Lib/collections.py | 3 +-- 2 files changed, 6 insertions(+), 7 deletions(-) diff --git a/Doc/library/collections.rst b/Doc/library/collections.rst index 1f9e82dc702..d7d1083738c 100644 --- a/Doc/library/collections.rst +++ b/Doc/library/collections.rst @@ -511,7 +511,7 @@ When casting a dictionary to a named tuple, use the double-star-operator [#]_:: Since a named tuple is a regular Python class, it is easy to add or change functionality with a subclass. Here is how to add a calculated field and -a custom fixed-width print format: +a fixed-width print format: :: @@ -522,10 +522,10 @@ a custom fixed-width print format: def __repr__(self): return 'Point(x=%.3f, y=%.3f, hypot=%.3f)' % (self.x, self.y, self.hypot) - >>> print Point(3, 4) - Point(x=3.000, y=4.000, hypot=5.000) - >>> Point(2, 5) - Point(x=2.000, y=5.000, hypot=5.385) + >>> print Point(3, 4),'\n', Point(2, 5), '\n', Point(9./7, 6) + Point(x=3.000, y=4.000, hypot=5.000) + Point(x=2.000, y=5.000, hypot=5.385) + Point(x=1.286, y=6.000, hypot=6.136) Default values can be implemented by starting with a prototype instance and customizing it with :meth:`_replace`: diff --git a/Lib/collections.py b/Lib/collections.py index 1701952cde7..d3f7b80caf8 100644 --- a/Lib/collections.py +++ b/Lib/collections.py @@ -123,8 +123,7 @@ if __name__ == '__main__': def __repr__(self): return 'Point(x=%.3f, y=%.3f, hypot=%.3f)' % (self.x, self.y, self.hypot) - print Point(3, 4) - print Point(2, 5) + print Point(3, 4),'\n', Point(2, 5), '\n', Point(9./7, 6) import doctest TestResults = namedtuple('TestResults', 'failed attempted')