[PATCH v4 4/8] meson: replace Perl usage with Python

marcandre.lureau@redhat.com posted 8 patches 3 years, 1 month ago
Maintainers: Ed Maste <emaste@freebsd.org>, Li-Wen Hsu <lwhsu@freebsd.org>, "Alex Bennée" <alex.bennee@linaro.org>, "Philippe Mathieu-Daudé" <philmd@linaro.org>, Thomas Huth <thuth@redhat.com>, Wainer dos Santos Moschetta <wainersm@redhat.com>, Beraldo Leal <bleal@redhat.com>, Paolo Bonzini <pbonzini@redhat.com>, Peter Maydell <peter.maydell@linaro.org>, "Marc-André Lureau" <marcandre.lureau@redhat.com>, "Daniel P. Berrangé" <berrange@redhat.com>, John Snow <jsnow@redhat.com>, Cleber Rosa <crosa@redhat.com>, Markus Armbruster <armbru@redhat.com>, Michael Roth <michael.roth@amd.com>
[PATCH v4 4/8] meson: replace Perl usage with Python
Posted by marcandre.lureau@redhat.com 3 years, 1 month ago
From: Marc-André Lureau <marcandre.lureau@redhat.com>

Let's try to remove Perl usage during build time.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
---
 tests/qapi-schema/meson.build | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/tests/qapi-schema/meson.build b/tests/qapi-schema/meson.build
index 9dfe98bc9a..d85b14f28c 100644
--- a/tests/qapi-schema/meson.build
+++ b/tests/qapi-schema/meson.build
@@ -259,22 +259,23 @@ if build_docs
   # Fix possible inconsistency in line endings in generated output and
   # in the golden reference (which could otherwise cause test failures
   # on Windows hosts). Unfortunately diff --strip-trailing-cr
-  # is GNU-diff only. The odd-looking perl is because we must avoid
+  # is GNU-diff only. The odd-looking python is because we must avoid
   # using an explicit '\' character in the command arguments to
   # a custom_target(), as Meson will unhelpfully replace it with a '/'
   # (https://github.com/mesonbuild/meson/issues/1564)
+  remove_cr = [python, '-c', 'import sys;[sys.stdout.write(line.replace(chr(13), "")) for line in sys.stdin]']
   qapi_doc_out_nocr = custom_target('QAPI rST doc newline-sanitized',
                                     output: ['doc-good.txt.nocr'],
                                     input: qapi_doc_out[0],
                                     build_by_default: true,
-                                    command: ['perl', '-pe', '$x = chr 13; s/$x$//', '@INPUT@'],
+                                    command: [remove_cr, '@INPUT@'],
                                     capture: true)
 
   qapi_doc_ref_nocr = custom_target('QAPI rST doc reference newline-sanitized',
                                     output: ['doc-good.ref.nocr'],
                                     input: files('doc-good.txt'),
                                     build_by_default: true,
-                                    command: ['perl', '-pe', '$x = chr 13; s/$x$//', '@INPUT@'],
+                                    command: [remove_cr, '@INPUT@'],
                                     capture: true)
 
   test('QAPI rST doc', diff, args: ['-u', qapi_doc_ref_nocr[0], qapi_doc_out_nocr[0]],
-- 
2.39.0


Re: [PATCH v4 4/8] meson: replace Perl usage with Python
Posted by Daniel P. Berrangé 3 years, 1 month ago
On Tue, Jan 10, 2023 at 05:26:56PM +0400, marcandre.lureau@redhat.com wrote:
> From: Marc-André Lureau <marcandre.lureau@redhat.com>
> 
> Let's try to remove Perl usage during build time.
> 
> Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
> ---
>  tests/qapi-schema/meson.build | 7 ++++---
>  1 file changed, 4 insertions(+), 3 deletions(-)

Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>


With regards,
Daniel
-- 
|: https://berrange.com      -o-    https://www.flickr.com/photos/dberrange :|
|: https://libvirt.org         -o-            https://fstop138.berrange.com :|
|: https://entangle-photo.org    -o-    https://www.instagram.com/dberrange :|