32 lines
1.3 KiB
Python
32 lines
1.3 KiB
Python
# -*- coding: utf-8 -*-
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# vi:si:et:sw=4:sts=4:ts=4
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def wrap(string, length, separator, balance):
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if balance:
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# balance lines: test if same number of lines
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# can be achieved with a shorter line length
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lines = wrap(string, length, separator, False).split(separator)
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if len(lines) > 1:
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while length > max(map(lambda x : len(x), string.split(' '))):
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length -= 1
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if len(wrap(string, length, separator, False).split(separator)) > len(lines):
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length += 1
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break
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words = string.split(' ')
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lines = ['']
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for word in words:
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if len(lines[len(lines) - 1] + word + ' ') <= length + 1:
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# word fits in current line
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lines[len(lines) - 1] += word + ' ';
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else:
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if len(word) <= length:
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# word fits in next line
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lines.append(word + ' ')
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else:
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# word is longer than line
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position = length - len(lines[len(lines) - 1]) + 1
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lines[len(lines) - 1] += word[0:position]
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for i in range(position, len(word), length):
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lines.append(word[i:i+length]);
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lines[len(lines) - 1] += ' '
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return separator.join(lines).strip()
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