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Munge whitespace in text: expand tabs and convert all other
whitespace characters to spaces. Eg. " foo\tbar\n\nbaz"
becomes " foo bar baz".
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expandtabsr r translateunicode_whitespace_transr textr r r _munge_whitespace s
z TextWrapper._munge_whitespacec C s6 | j du r | j|}n| j|}dd |D }|S )aN _split(text : string) -> [string]
Split the text to wrap into indivisible chunks. Chunks are
not quite the same as words; see _wrap_chunks() for full
details. As an example, the text
Look, goof-ball -- use the -b option!
breaks into the following chunks:
'Look,', ' ', 'goof-', 'ball', ' ', '--', ' ',
'use', ' ', 'the', ' ', '-b', ' ', 'option!'
if break_on_hyphens is True, or in:
'Look,', ' ', 'goof-ball', ' ', '--', ' ',
'use', ' ', 'the', ' ', '-b', ' ', option!'
otherwise.
Tc S s g | ]}|r|qS r r .0cr r r
s z&TextWrapper._split..)r
wordsep_resplitwordsep_simple_rer r& chunksr r r _split s
zTextWrapper._splitc C sn d}| j j}|t|d k r5||d dkr'||| r'd||d < |d7 }n|d7 }|t|d k sdS dS )ag _fix_sentence_endings(chunks : [string])
Correct for sentence endings buried in 'chunks'. Eg. when the
original text contains "... foo.\nBar ...", munge_whitespace()
and split() will convert that to [..., "foo.", " ", "Bar", ...]
which has one too few spaces; this method simply changes the one
space to two.
r r r z N)sentence_end_researchlen)r r0 i patsearchr r r _fix_sentence_endings s
z!TextWrapper._fix_sentence_endingsc C s |dk rd}n|| }| j rL|}|d }| jr9t||kr9|dd|}|dkr9tdd |d| D r9|d }||d| ||d |d< dS |sW|| dS dS )a
_handle_long_word(chunks : [string],
cur_line : [string],
cur_len : int, width : int)
Handle a chunk of text (most likely a word, not whitespace) that
is too long to fit in any line.
r -r c s s | ]}|d kV qdS )r: Nr r( r r r s z0TextWrapper._handle_long_word..N)r r r5 rfindanyappendpop) r reversed_chunkscur_linecur_lenr
space_leftendchunkhyphenr r r _handle_long_word s
"z TextWrapper._handle_long_wordc C s g }| j dkrtd| j | jdur1| jdkr | j}n| j}t|t| j | j kr1td| |r?g }d}|rB| j}n| j}| j t| }| j r\|d
dkr\|r\|d= |ryt|d }|| |krv| | ||7 }nn|s^|rt|d |kr|
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r|t| j |kr| | j | |d| |S |t|d 8 }|d= |s|r0|d }t|t| j | j kr0|| j |d< |S | || j |S |s8|S )a _wrap_chunks(chunks : [string]) -> [string]
Wrap a sequence of text chunks and return a list of lines of
length 'self.width' or less. (If 'break_long_words' is false,
some lines may be longer than this.) Chunks correspond roughly
to words and the whitespace between them: each chunk is
indivisible (modulo 'break_long_words'), but a line break can
come between any two chunks. Chunks should not have internal
whitespace; ie. a chunk is either all whitespace or a "word".
Whitespace chunks will be removed from the beginning and end of
lines, but apart from that whitespace is preserved.
r z invalid width %r (must be > 0)Nr z#placeholder too large for max widthr9 r )r
ValueErrorr r r r5 r lstripreverser stripr> r? rG summapjoinrstrip) r r0 linesr rA rB r l prev_liner r r _wrap_chunks s
IzTextWrapper._wrap_chunksc C s | |}| |S r )r' r1 r% r r r
_split_chunksX s
zTextWrapper._split_chunksc C s$ | |}| jr
| | | |S )a^ wrap(text : string) -> [string]
Reformat the single paragraph in 'text' so it fits in lines of
no more than 'self.width' columns, and return a list of wrapped
lines. Tabs in 'text' are expanded with string.expandtabs(),
and all other whitespace characters (including newline) are
converted to space.
)rT r r8 rS r/ r r r r ^ s
zTextWrapper.wrapc C s d | |S )zfill(text : string) -> string
Reformat the single paragraph in 'text' to fit in lines of no
more than 'self.width' columns, and return a new string
containing the entire wrapped paragraph.
)rN r r% r r r r l s zTextWrapper.fill)
r r r TTFTTTr ) __name__
__module__ __qualname____doc__r$ orduspace _whitespacex
word_punctletterreescape
whitespace nowhitespacecompileVERBOSEr, r. r3 r! r' r1 r8 rG rS rT r r r r r r r sV 0
)g r r c K t dd|i|}|| S )a Wrap a single paragraph of text, returning a list of wrapped lines.
Reformat the single paragraph in 'text' so it fits in lines of no
more than 'width' columns, and return a list of wrapped lines. By
default, tabs in 'text' are expanded with string.expandtabs(), and
all other whitespace characters (including newline) are converted to
space. See TextWrapper class for available keyword args to customize
wrapping behaviour.
r Nr )r r r& r kwargswr r r r x s
r c K rf )a Fill a single paragraph of text, returning a new string.
Reformat the single paragraph in 'text' to fit in lines of no more
than 'width' columns, and return a new string containing the entire
wrapped paragraph. As with wrap(), tabs are expanded and other
whitespace characters converted to space. See TextWrapper class for
available keyword args to customize wrapping behaviour.
r Nr )r r rg r r r r s
r c K s, t d|dd|}|d| S )a Collapse and truncate the given text to fit in the given width.
The text first has its whitespace collapsed. If it then fits in
the *width*, it is returned as is. Otherwise, as many words
as possible are joined and then the placeholder is appended::
>>> textwrap.shorten("Hello world!", width=12)
'Hello world!'
>>> textwrap.shorten("Hello world!", width=11)
'Hello [...]'
r )r r r Nr )r r rN rK r- rg r r r r s r z^[ ]+$z(^[ ]*)(?:[^
])c C s d}t d| } t| }|D ]1}|du r|}q||r q||r&|}qtt||D ]\}\}}||kr?|d| } nq-q |rMtd| d| } | S )a Remove any common leading whitespace from every line in `text`.
This can be used to make triple-quoted strings line up with the left
edge of the display, while still presenting them in the source code
in indented form.
Note that tabs and spaces are both treated as whitespace, but they
are not equal: the lines " hello" and "\thello" are
considered to have no common leading whitespace.
Entirely blank lines are normalized to a newline character.
Nr r rU zline = %r, margin = %rz(?m)^) _whitespace_only_resub_leading_whitespace_refindall
startswith enumeratezipr- r` )r& marginindentsr r6 r] yliner r r r s(
r c s, du rdd fdd}d | S )aF Adds 'prefix' to the beginning of selected lines in 'text'.
If 'predicate' is provided, 'prefix' will only be added to the lines
where 'predicate(line)' is True. If 'predicate' is not provided,
it will default to adding 'prefix' to all non-empty lines that do not
consist solely of whitespace characters.
Nc S s | S r )rK rt r r r predicate s zindent..predicatec 3 s, dD ]
} | r| n| V qd S )NT)
splitlinesru rv prefixr& r r prefixed_lines s z indent..prefixed_linesr )rN )r& ry rv rz r rx r r s r __main__z Hello there.
This is indented.)r r )rY r` __all__r\ r r r r rd MULTILINErj rl r r rV printr r r r s"
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