Python 3.6.5 Documentation >  "tabnanny" — Detection of ambiguous indentation

"tabnanny" — Detection of ambiguous indentation
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**Source code:** Lib/tabnanny.py

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For the time being this module is intended to be called as a script.
However it is possible to import it into an IDE and use the function
"check()" described below.

Note: The API provided by this module is likely to change in future
releases; such changes may not be backward compatible.

tabnanny.check(file_or_dir)

If *file_or_dir* is a directory and not a symbolic link, then
recursively descend the directory tree named by *file_or_dir*,
checking all ".py" files along the way. If *file_or_dir* is an
ordinary Python source file, it is checked for whitespace related
problems. The diagnostic messages are written to standard output
using the "print()" function.

tabnanny.verbose

Flag indicating whether to print verbose messages. This is
incremented by the "-v" option if called as a script.

tabnanny.filename_only

Flag indicating whether to print only the filenames of files
containing whitespace related problems. This is set to true by the
"-q" option if called as a script.

exception tabnanny.NannyNag

Raised by "process_tokens()" if detecting an ambiguous indent.
Captured and handled in "check()".

tabnanny.process_tokens(tokens)

This function is used by "check()" to process tokens generated by
the "tokenize" module.

See also:

Module "tokenize"
Lexical scanner for Python source code.