diff --git a/Doc/library/reprlib.rst b/Doc/library/reprlib.rst index 4b37c5ba60f4e6..e99db838dd8c3a 100644 --- a/Doc/library/reprlib.rst +++ b/Doc/library/reprlib.rst @@ -10,7 +10,7 @@ -------------- -The :mod:`reprlib` module provides a means for producing object representations +The :mod:`!reprlib` module provides a means for producing object representations with limits on the size of the resulting strings. This is used in the Python debugger and may be useful in other contexts as well. @@ -39,29 +39,31 @@ This module provides a class, an instance, and a function: limits on most sizes. In addition to size-limiting tools, the module also provides a decorator for -detecting recursive calls to :meth:`__repr__` and substituting a placeholder -string instead. +detecting recursive calls to :meth:`~object.__repr__` and substituting a +placeholder string instead. .. index:: single: ...; placeholder .. decorator:: recursive_repr(fillvalue="...") - Decorator for :meth:`__repr__` methods to detect recursive calls within the + Decorator for :meth:`~object.__repr__` methods to detect recursive calls within the same thread. If a recursive call is made, the *fillvalue* is returned, - otherwise, the usual :meth:`__repr__` call is made. For example: - - >>> from reprlib import recursive_repr - >>> class MyList(list): - ... @recursive_repr() - ... def __repr__(self): - ... return '<' + '|'.join(map(repr, self)) + '>' - ... - >>> m = MyList('abc') - >>> m.append(m) - >>> m.append('x') - >>> print(m) - <'a'|'b'|'c'|...|'x'> + otherwise, the usual :meth:`!__repr__` call is made. For example: + + .. doctest:: + + >>> from reprlib import recursive_repr + >>> class MyList(list): + ... @recursive_repr() + ... def __repr__(self): + ... return '<' + '|'.join(map(repr, self)) + '>' + ... + >>> m = MyList('abc') + >>> m.append(m) + >>> m.append('x') + >>> print(m) + <'a'|'b'|'c'|...|'x'> .. versionadded:: 3.2 @@ -155,7 +157,9 @@ Subclassing Repr Objects The use of dynamic dispatching by :meth:`Repr.repr1` allows subclasses of :class:`Repr` to add support for additional built-in object types or to modify the handling of types already supported. This example shows how special support -for file objects could be added:: +for file objects could be added: + +.. testcode:: import reprlib import sys @@ -169,3 +173,7 @@ for file objects could be added:: aRepr = MyRepr() print(aRepr.repr(sys.stdin)) # prints '' + +.. testoutput:: + + diff --git a/Doc/tools/.nitignore b/Doc/tools/.nitignore index 063372e93df168..dd201152895c5f 100644 --- a/Doc/tools/.nitignore +++ b/Doc/tools/.nitignore @@ -87,7 +87,6 @@ Doc/library/pydoc.rst Doc/library/pyexpat.rst Doc/library/random.rst Doc/library/readline.rst -Doc/library/reprlib.rst Doc/library/resource.rst Doc/library/rlcompleter.rst Doc/library/select.rst