comparison 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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0:d30785e31577 1:56ad4e20f292
1 u"""
2 Fixer for os.getcwd() -> os.getcwdu().
3 Also warns about "from os import getcwd", suggesting the above form.
4 """
5
6 from lib2to3 import fixer_base
7 from lib2to3.fixer_util import Name
8
9 class FixGetcwd(fixer_base.BaseFix):
10
11 PATTERN = u"""
12 power< 'os' trailer< dot='.' name='getcwd' > any* >
13 |
14 import_from< 'from' 'os' 'import' bad='getcwd' >
15 """
16
17 def transform(self, node, results):
18 if u"name" in results:
19 name = results[u"name"]
20 name.replace(Name(u"getcwdu", prefix=name.prefix))
21 elif u"bad" in results:
22 # Can't convert to getcwdu and then expect to catch every use.
23 self.cannot_convert(node, u"import os, use os.getcwd() instead.")
24 return
25 else:
26 raise ValueError(u"For some reason, the pattern matcher failed.")