Karthikeyan Singaravelan <tir.kar...@gmail.com> added the comment:
I can't reproduce this on Linux machine with Python 3.7 and 3.8. Assigning the
open file object shouldn't really make a difference unless you are passing the
same file object that was read to initialize a different configparser object.
cat review-stats.cfg
[global]
a = b
python3.7
Python 3.7.0 (default, Jun 28 2018, 00:00:00)
[GCC 4.8.4] on linux
Type "help", "copyright", "credits" or "license" for more information.
>>> import configparser
>>> config = configparser.ConfigParser()
>>> config.read_file(open('review-stats.cfg'))
>>> config.sections()
['global']
>>> config2 = configparser.ConfigParser()
>>> f = open('review-stats.cfg')
>>> f
<_io.TextIOWrapper name='review-stats.cfg' mode='r' encoding='UTF-8'>
>>> config2.read_file(f)
>>> config2.sections()
['global']
python
Python 3.8.0 (default, Nov 6 2019, 21:49:08)
[GCC 7.3.0] :: Anaconda, Inc. on linux
Type "help", "copyright", "credits" or "license" for more information.
>>> import configparser
>>> config = configparser.ConfigParser()
>>> config.read_file(open('review-stats.cfg'))
>>> config.sections()
['global']
>>> config2 = configparser.ConfigParser()
>>> f = open('review-stats.cfg')
>>> f
<_io.TextIOWrapper name='review-stats.cfg' mode='r' encoding='UTF-8'>
>>> config2.read_file(f)
>>> config2.sections()
['global']
>>> config3 = configparser.ConfigParser()
>>> config3.read_file(f) # This wouldn't work since f.read() is '' and has
>>> reached file end.
>>> config3.sections()
[]
>>>
----------
nosy: +xtreak
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Python tracker <rep...@bugs.python.org>
<https://bugs.python.org/issue39387>
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