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annotate lib/python3.8/site-packages/setuptools/unicode_utils.py @ 0:9e54283cc701 draft

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"planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
author guerler
date Mon, 27 Jul 2020 03:47:31 -0400
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9e54283cc701 "planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
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1 import unicodedata
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2 import sys
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3
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4 from setuptools.extern import six
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5
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6
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7 # HFS Plus uses decomposed UTF-8
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8 def decompose(path):
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9 if isinstance(path, six.text_type):
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10 return unicodedata.normalize('NFD', path)
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11 try:
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12 path = path.decode('utf-8')
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13 path = unicodedata.normalize('NFD', path)
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14 path = path.encode('utf-8')
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15 except UnicodeError:
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16 pass # Not UTF-8
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17 return path
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19
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20 def filesys_decode(path):
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21 """
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22 Ensure that the given path is decoded,
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23 NONE when no expected encoding works
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24 """
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25
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26 if isinstance(path, six.text_type):
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27 return path
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28
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29 fs_enc = sys.getfilesystemencoding() or 'utf-8'
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30 candidates = fs_enc, 'utf-8'
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31
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32 for enc in candidates:
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33 try:
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34 return path.decode(enc)
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35 except UnicodeDecodeError:
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36 continue
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38
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39 def try_encode(string, enc):
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40 "turn unicode encoding into a functional routine"
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41 try:
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42 return string.encode(enc)
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43 except UnicodeEncodeError:
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44 return None