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annotate textshaper/decorator.py @ 27:4aba57a33376

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add decorator for converting text to lines of text
author Jeff Hammel <k0scist@gmail.com>
date Sun, 23 Feb 2014 13:54:18 -0800
parents
children fd626585c299
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4aba57a33376 add decorator for converting text to lines of text
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1 # -*- coding: utf-8 -*-
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2
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3 """
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4 decorators for textshaper
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5 """
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6
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7 string = (str, unicode)
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8
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9 class lines(object):
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10 """
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11 allow functions that process lists of lines of text to
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12 accept strings, lists of lines, or a file-like object
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13 """
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14
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15 def __init__(self, function, line_separator='\n'):
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16 self.function = function
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17 self.line_separator = line_separator
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18
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19 def __call__(self, text, *args, **kwargs):
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20 is_string = False
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21 if isinstance(text, string):
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22 is_string = True
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23 text = text.splitlines()
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24 retval = self.function(*args, **kwargs)
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25 if is_string:
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26 return self.line_separator.join(retval)
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27 return retval