[Python-checkins] r66887 - python/trunk/Doc/library/2to3.rst
benjamin.peterson
python-checkins at python.org
Mon Oct 13 23:51:40 CEST 2008
Author: benjamin.peterson
Date: Mon Oct 13 23:51:40 2008
New Revision: 66887
Log:
document how to disable fixers
Modified:
python/trunk/Doc/library/2to3.rst
Modified: python/trunk/Doc/library/2to3.rst
==============================================================================
--- python/trunk/Doc/library/2to3.rst (original)
+++ python/trunk/Doc/library/2to3.rst Mon Oct 13 23:51:40 2008
@@ -53,13 +53,17 @@
Comments and and exact indentation are preserved throughout the translation
process.
-By default, 2to3 runs a set of predefined fixers. The :option:`-l` flag
-lists all avaible fixers. An explicit set of fixers to run can be given by use
-of the :option:`-f` flag. The following example runs only the ``imports`` and
-``has_key`` fixers::
+By default, 2to3 runs a set of predefined fixers. The :option:`-l` flag lists
+all avaible fixers. An explicit set of fixers to run can be given with
+:option:`-f`. Likewise the :option:`-x` explicitly disables a fixer. The
+following example runs only the ``imports`` and ``has_key`` fixers::
$ 2to3 -f imports -f has_key example.py
+This command runs every fixer except the ``apply`` fixer::
+
+ $ 2to3 -x apply example.py
+
Some fixers are *explicit*, meaning they aren't run be default and must be
listed on the command line to be run. Here, in addition to the default fixers,
the ``idioms`` fixer is run::
@@ -78,8 +82,8 @@
the module to be valid Python. For example, doctest like examples in a reST
document could also be refactored with this option.
-The :option:`-v` option enables the output of more information on the
-translation process.
+The :option:`-v` option enables output of more information on the translation
+process.
When the :option:`-p` is passed, 2to3 treats ``print`` as a function instead of
a statement. This is useful when ``from __future__ import print_function`` is
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