Eric Blake <ebl...@redhat.com> writes:

> On 02/02/2018 07:03 AM, Markus Armbruster wrote:
>> Each generator carries a copyright notice for the generator itself,
>> and another one for the files it generates.  Only the former have been
>> updated along the way, the latter have not, and are all out of date.
>> 
>> Fix by copying the generator's copyright notice to the generated files
>> instead.
>> 
>> Signed-off-by: Markus Armbruster <arm...@redhat.com>
>> ---
>
>> +++ b/scripts/qapi-commands.py
>> @@ -1,16 +1,17 @@
>> -#
>> -# QAPI command marshaller generator
>> -#
>> -# Copyright IBM, Corp. 2011
>> -# Copyright (C) 2014-2016 Red Hat, Inc.
>> -#
>> -# Authors:
>> -#  Anthony Liguori <aligu...@us.ibm.com>
>> -#  Michael Roth    <mdr...@linux.vnet.ibm.com>
>> -#  Markus Armbruster <arm...@redhat.com>
>> -#
>> -# This work is licensed under the terms of the GNU GPL, version 2.
>> -# See the COPYING file in the top-level directory.
>> +"""
>> +QAPI command marshaller generator
>> +
>> +Copyright IBM, Corp. 2011
>> +Copyright (C) 2014-2018 Red Hat, Inc.
>> +
>> +Authors:
>> + Anthony Liguori <aligu...@us.ibm.com>
>> + Michael Roth <mdr...@linux.vnet.ibm.com>
>> + Markus Armbruster <arm...@redhat.com>
>> +
>> +This work is licensed under the terms of the GNU GPL, version 2.
>> +See the COPYING file in the top-level directory.
>> +"""
>
> So python lets you start a file with a string constant that is not
> associated with any variable name?

It's the module's doc string, done the same way as function doc strings.

https://www.python.org/dev/peps/pep-0257/#what-is-a-docstring

>>  (fdef, fdecl) = open_output(output_dir, do_c, do_h, prefix,
>>                              'qmp-marshal.c', 'qmp-commands.h',
>> -                            blurb)
>> +                            blurb, __doc__)
>
> Ah, and there's what I was missing - python auto-assigns such an initial
> string to a magic automatic variable.  Cool language feature I hadn't
> seen before!
>
> Reviewed-by: Eric Blake <ebl...@redhat.com>

Thanks!

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