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From: Joel Brobecker <brobecker@adacore.com>
To: Pedro Alves <palves@redhat.com>
Cc: Simon Marchi <simon.marchi@polymtl.ca>, gdb-patches@sourceware.org
Subject: Re: [PATCH] Change method of loading .py files in Python tests
Date: Fri, 27 Jan 2017 04:33:00 -0000	[thread overview]
Message-ID: <20170127043235.irpmmnu6vjdf6bb5@adacore.com> (raw)
In-Reply-To: <d4708a87-2319-b656-7b7c-6a7d2101fed9@redhat.com>

> > With my debug build of Python (--with-pydebug), many tests fails because
> > of the same issue.  Python scripts are loaded by the tests using this
> > pattern:
> > 
> >   (gdb) python exec (open ('file.py').read ())
> > 
> > This causes Python to output this warning:
> > 
> >   __main__:1: ResourceWarning: unclosed file <_io.TextIOWrapper name='file.py' mode='r' encoding='ANSI_X3.4-1968'>
> > 
> > and the test to fail because of that extra output.  Instead of using the
> > open + read + exec trick which leaks the file and causes the warning,
> > why not just source the files?
> > 
> >   (gdb) source file.py
> 
> Maybe historical.  ISTR that "source" didn't read in python
> files automatically originally.  But I may easily be misremembering.

It is historical. At the beginning the idea of being able to source
a Python script using "source" generated some disagreements, and we
had to discuss a number of options before we could settle on a design
that we could agree on.

-- 
Joel


      parent reply	other threads:[~2017-01-27  4:33 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-01-21  4:52 Simon Marchi
2017-01-26 16:33 ` Pedro Alves
2017-01-26 21:13   ` Simon Marchi
2017-01-27  4:33   ` Joel Brobecker [this message]

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