annotate planemo/lib/python3.7/site-packages/libpasteurize/fixes/fix_getcwd.py @ 1:56ad4e20f292 draft

"planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
author guerler
date Fri, 31 Jul 2020 00:32:28 -0400
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1 u"""
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2 Fixer for os.getcwd() -> os.getcwdu().
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3 Also warns about "from os import getcwd", suggesting the above form.
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4 """
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5
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6 from lib2to3 import fixer_base
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7 from lib2to3.fixer_util import Name
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8
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9 class FixGetcwd(fixer_base.BaseFix):
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10
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11 PATTERN = u"""
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12 power< 'os' trailer< dot='.' name='getcwd' > any* >
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13 |
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14 import_from< 'from' 'os' 'import' bad='getcwd' >
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15 """
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16
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17 def transform(self, node, results):
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18 if u"name" in results:
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19 name = results[u"name"]
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20 name.replace(Name(u"getcwdu", prefix=name.prefix))
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21 elif u"bad" in results:
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22 # Can't convert to getcwdu and then expect to catch every use.
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23 self.cannot_convert(node, u"import os, use os.getcwd() instead.")
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24 return
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25 else:
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26 raise ValueError(u"For some reason, the pattern matcher failed.")