Groups > linux.debian.maint.python > #11779

2to3 adds '.' in front dir of "from dir import ..." statements (Was: [MoM] lefse migration to python 3])

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From	Andreas Tille <andreas@an3as.eu>
Newsgroups	linux.debian.maint.python
Subject	2to3 adds '.' in front dir of "from dir import ..." statements (Was: [MoM] lefse migration to python 3])
Date	Tue, 10 Sep 2019 08:00:01 +0200
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Hi,

in the process of the Python3 migration the package lefse was converted
using 2to3.  The changes can be found in git[1].  I'm wondering about
the following diff created by 2to3:

  - from lefse import *
  + from .lefse import *

When calling a random binary of the resulting binary package lefse I
experienced:

$ plot_features 
Traceback (most recent call last):
  File "/usr/bin/plot_features", line 6, in <module>
    from .lefse import *
ModuleNotFoundError: No module named '__main__.lefse'; '__main__' is not a package


I think the line

   from lefse import *

should remain to keep that script functional.  I now checked another
package (cain - nothing pushed yet) and here also 2to3 is changing

   from something import *

to

   from .something import *

Could somebody please enlighten me about this added '.' which does not
seem to work?

Kind regards

      Andreas.

[1] https://salsa.debian.org/med-team/lefse

-- 
http://fam-tille.de

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2to3 adds '.' in front dir of "from dir import ..." statements (Was:  [MoM] lefse migration to python 3]) Andreas Tille <andreas@an3as.eu> - 2019-09-10 08:00 +0200
  Re: 2to3 adds '.' in front dir of "from dir import ..." statements  (Was: [MoM] lefse migration to python 3]) Ghislain Vaillant <ghisvail@gmail.com> - 2019-09-10 08:30 +0200
  Re: 2to3 adds '.' in front dir of "from dir import ..." statements  (Was: [MoM] lefse migration to python 3]) Michael Kesper <mkesper@schokokeks.org> - 2019-09-12 09:30 +0200
    Re: 2to3 adds '.' in front dir of "from dir import ..." statements  (Was: [MoM] lefse migration to python 3]) Andreas Tille <andreas@an3as.eu> - 2019-09-12 09:50 +0200
  Re: 2to3 adds '.' in front dir of "from dir import ..." statements  (Was: [MoM] lefse migration to python 3]) Andrey Rahmatullin <wrar@debian.org> - 2019-09-12 11:10 +0200

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