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s� A helper function that intelligently wraps text. By default, it
assumes that it operates on a single paragraph of text but if the
`preserve_paragraphs` parameter is provided it will intelligently
handle paragraphs (defined by two empty lines).
If paragraphs are handled, a paragraph can be prefixed with an empty
line containing the ``\b`` character (``\x08``) to indicate that
no rewrapping should happen in that block.
:param text: the text that should be rewrapped.
:param width: the maximum width for the text.
:param initial_indent: the initial indent that should be placed on the
first line as a string.
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each consecutive line.
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intelligently handle paragraphs.
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usually just needed for very special internal cases, but it's also
exposed so that developers can write their own fancy outputs.
At present, it always writes into memory.
:param indent_increment: the additional increment for each level.
:param width: the width for the text. This defaults to the terminal
width clamped to a maximum of 78.
i c C s� | | _ | d k r d } n | d k re t } | d k re t t t � d | � d d � } qe n | | _ d | _ g | _ d S( NiP i i i2 ( t indent_incrementR( t FORCED_WIDTHR t minR R. t current_indentt buffer( t selfR7 R. t max_width( ( s1 /tmp/pip-install-sTXtzD/click/click/formatting.pyt __init__j s ) c C s | j j | � d S( s1 Writes a unicode string into the internal buffer.N( R; R ( R< t string( ( s1 /tmp/pip-install-sTXtzD/click/click/formatting.pyt writev s c C s | j | j 7_ d S( s Increases the indentation.N( R: R7 ( R< ( ( s1 /tmp/pip-install-sTXtzD/click/click/formatting.pyR" z s c C s | j | j 8_ d S( s Decreases the indentation.N( R: R7 ( R< ( ( s1 /tmp/pip-install-sTXtzD/click/click/formatting.pyt dedent~ s R s Usage: c C s� d j | | d | j �} | j | j } | t | � d k rv d t | � } | j t | | d | d | �� n\ | j | � | j d � d t | j t | � � d } | j t | | d | d | �� | j d � d S(
s� Writes a usage line into the buffer.
:param prog: the program name.
:param args: whitespace separated list of arguments.
:param prefix: the prefix for the first line.
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write_heading� s c C s | j r | j d � n d S( s# Writes a paragraph into the buffer.s
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C s_ t | j | j d � } d | j } | j t | | d | d | d t �� | j d � d S( sa Writes re-indented text into the buffer. This rewraps and
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� d k r�| j d � q�qf | j d � qf Wd S( sn Writes a definition list into the buffer. This is how options
and commands are usually formatted.
:param rows: a list of two item tuples for the terms and values.
:param col_max: the maximum width of the first column.
:param col_spacing: the number of spaces between the first and
second column.
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c c s< | j � | j | � | j � z d VWd | j � Xd S( s� Helpful context manager that writes a paragraph, a heading,
and the indents.
:param name: the section name that is written as heading.
N( RL RK R" RA ( R< t name( ( s1 /tmp/pip-install-sTXtzD/click/click/formatting.pyt section� s
c c s% | j � z d VWd | j � Xd S( s1 A context manager that increases the indentation.N( R" RA ( R< ( ( s1 /tmp/pip-install-sTXtzD/click/click/formatting.pyt indentation� s
c C s d j | j � S( s Returns the buffer contents.R ( R R; ( R< ( ( s1 /tmp/pip-install-sTXtzD/click/click/formatting.pyt getvalue s N( t __name__t
__module__t __doc__R( R> R@ R" RA RI RK RL RM RW R RY RZ R[ ( ( ( s1 /tmp/pip-install-sTXtzD/click/click/formatting.pyR6 ^ s
" / c C s� g } t } xL | D]D } t | � d } | d k r> t } n | j t | � | f � q W| j d d � � d j d � | D� � } | | f S( s Given a list of option strings this joins them in the most appropriate
way and returns them in the form ``(formatted_string,
any_prefix_is_slash)`` where the second item in the tuple is a flag that
indicates if any of the option prefixes was a slash.
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