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d� ZG dd� d�Zdd� Zdd� Zedkr�e � dS )a� The Tab Nanny despises ambiguous indentation. She knows no mercy.
tabnanny -- Detection of ambiguous indentation
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.
Warning: The API provided by this module is likely to change in future
releases; such changes may not be backward compatible.
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Raised by process_tokens() if detecting an ambiguous indent.
Captured and handled in check().
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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 statement.
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zWhitespace.indent_levelc C s | j |j kS r )rK )r! �otherr r r �equal� s zWhitespace.equalc C sb t | �� |�� �d }g }td|d �D ]4}| �|�|�|�kr(|�|| �|�|�|�f� q(|S rP �rQ rS rT rW �append�r! rX rH r �tsr r r �not_equal_witness� s ���z Whitespace.not_equal_witnessc C sp | j |j krdS | jr(|jr(| j|jkS t| �� |�� �d }td|d �D ] }| �|�|�|�krL dS qLdS )NFr � T)rH rL rI rQ rS rT rW )r! rX rH r] r r r �less� s ��zWhitespace.lessc C sb t | �� |�� �d }g }td|d �D ]4}| �|�|�|�kr(|�|| �|�|�|�f� q(|S rP rZ r\ r r r �not_less_witness s ���zWhitespace.not_less_witnessN) r' r( r) rE rF r" rS rW rY r^ r` ra r r r r rC � s rC c C s8 dd� | D �}d}t | �dkr&|d }|d d�|� S )Nc s s | ]}t |d �V qdS )r N)r
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