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/Doc/library/tabnanny.rst

http://unladen-swallow.googlecode.com/
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 1:mod:`tabnanny` --- Detection of ambiguous indentation
 2======================================================
 3
 4.. module:: tabnanny
 5   :synopsis: Tool for detecting white space related problems in Python source files in a
 6              directory tree.
 7.. moduleauthor:: Tim Peters <tim_one@users.sourceforge.net>
 8.. sectionauthor:: Peter Funk <pf@artcom-gmbh.de>
 9
10.. rudimentary documentation based on module comments
11
12For the time being this module is intended to be called as a script. However it
13is possible to import it into an IDE and use the function :func:`check`
14described below.
15
16.. note::
17
18   The API provided by this module is likely to change in future releases; such
19   changes may not be backward compatible.
20
21
22.. function:: check(file_or_dir)
23
24   If *file_or_dir* is a directory and not a symbolic link, then recursively
25   descend the directory tree named by *file_or_dir*, checking all :file:`.py`
26   files along the way.  If *file_or_dir* is an ordinary Python source file, it is
27   checked for whitespace related problems.  The diagnostic messages are written to
28   standard output using the print statement.
29
30
31.. data:: verbose
32
33   Flag indicating whether to print verbose messages. This is incremented by the
34   ``-v`` option if called as a script.
35
36
37.. data:: filename_only
38
39   Flag indicating whether to print only the filenames of files containing
40   whitespace related problems.  This is set to true by the ``-q`` option if called
41   as a script.
42
43
44.. exception:: NannyNag
45
46   Raised by :func:`tokeneater` if detecting an ambiguous indent. Captured and
47   handled in :func:`check`.
48
49
50.. function:: tokeneater(type, token, start, end, line)
51
52   This function is used by :func:`check` as a callback parameter to the function
53   :func:`tokenize.tokenize`.
54
55.. XXX document errprint, format_witnesses, Whitespace, check_equal, indents,
56   reset_globals
57
58
59.. seealso::
60
61   Module :mod:`tokenize`
62      Lexical scanner for Python source code.