<p>Python中没有这样的自动格式化。(函数语法是从C中借用的)毕竟,Perl是“实用的提取和报告语言”,Python不是为格式化报告而设计的。</p>
<p>输出可以使用<code>textwrap</code>模块完成,例如</p>
<pre><code>from textwrap import fill
def formatItem(left, right):
wrapped = fill(right, width=41, subsequent_indent=' '*15)
return ' {0:<13}{1}'.format(left, wrapped)
...
>>> print(formatItem('0123', 'This is some long text which would wrap past the 80 column mark and go onto the next line number of times blah blah blah.'))
0123 This is some long text which would wrap
past the 80 column mark
and go onto the next line
number of times blah blah
blah.
</code></pre>
<p>注意,这假设“左”不跨越1行。更普遍的解决办法是</p>
<pre><code>from textwrap import wrap
from itertools import zip_longest
def twoColumn(left, right, leftWidth=13, rightWidth=41, indent=2, separation=2):
lefts = wrap(left, width=leftWidth)
rights = wrap(right, width=rightWidth)
results = []
for l, r in zip_longest(lefts, rights, fillvalue=''):
results.append('{0:{1}}{2:{5}}{0:{3}}{4}'.format('', indent, l, separation, r, leftWidth))
return "\n".join(results)
>>> print(twoColumn("I'm trying to format some strings for output on the command-line", "report style, and am looking for the easiest method to format a string such that I can get automatic paragraph formatting."))
I'm trying to report style, and am looking for the
format some easiest method to format a string such
strings for that I can get automatic paragraph
output on the formatting.
command-line
</code></pre>