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c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1770119174; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=Dqfr+maX9BJk8cLtLzKyZPPkmmwpgIdpki5XdC9JHgk=; b=hukEGUlTx13ERmMZ+JhRCXgxjjmwPqjxoezwLBHrO+qFQMSYLDEldUTpZkkeadfX19Xf5B m7HcVruiCIZkveVF8GOVJKprn5npsl4x2BXWn9zO9OL3feete/q0PelUe2lgHJk/BDz2KZ 8TL9ayUYaBQy326EqBifwaeLE4m/nWc= X-MC-Unique: TPNsUWJCPyeiJ_Xos3Enpg-1 X-Mimecast-MFC-AGG-ID: TPNsUWJCPyeiJ_Xos3Enpg_1770119172 From: Peter Krempa To: qemu-devel@nongnu.org Cc: John Snow , qemu-block@nongnu.org Subject: [PATCH v3 1/3] scripts: render_block_graph: Fix invalid escape sequence warning with python 3.12 Date: Tue, 3 Feb 2026 12:46:05 +0100 Message-ID: In-Reply-To: References: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Scanned-By: MIMEDefang 3.0 on 10.30.177.17 Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; 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charset="utf-8" From: Peter Krempa Trying to run 'render_block_graph' produces following warnings on machine with python 3.12: $ ./scripts/render_block_graph.py cd-throttle ble.png ./scripts/render_block_graph.py:57: SyntaxWarning: invalid escape sequence= '\l' ' w - Write\l' ./scripts/render_block_graph.py:58: SyntaxWarning: invalid escape sequence= '\l' ' r - consistent-Read\l' ./scripts/render_block_graph.py:59: SyntaxWarning: invalid escape sequence= '\l' ' u - write - Unchanged\l' ./scripts/render_block_graph.py:60: SyntaxWarning: invalid escape sequence= '\l' [...] The graphviz '\l' escape sequence is used to left-justify the line and new python started enforcing of strings to contain only known escape sequences. Convert the strings containing the dot language to raw. Signed-off-by: Peter Krempa --- scripts/render_block_graph.py | 24 ++++++++++++------------ 1 file changed, 12 insertions(+), 12 deletions(-) diff --git a/scripts/render_block_graph.py b/scripts/render_block_graph.py index 3e1a2e3fa7..14b2d02ec2 100755 --- a/scripts/render_block_graph.py +++ b/scripts/render_block_graph.py @@ -53,16 +53,16 @@ def render_block_graph(qmp, filename, format=3D'png'): graph =3D Digraph(comment=3D'Block Nodes Graph') graph.format =3D format - graph.node('permission symbols:\l' - ' w - Write\l' - ' r - consistent-Read\l' - ' u - write - Unchanged\l' - ' g - Graph-mod\l' - ' s - reSize\l' - 'edge label scheme:\l' - ' \l' - ' \l' - ' \l', shape=3D'none') + graph.node(r'permission symbols:\l' + r' w - Write\l' + r' r - consistent-Read\l' + r' u - write - Unchanged\l' + r' g - Graph-mod\l' + r' s - reSize\l' + r'edge label scheme:\l' + r' \l' + r' \l' + r' \l', shape=3D'none') for n in block_graph['nodes']: if n['type'] =3D=3D 'block-driver': @@ -83,8 +83,8 @@ def render_block_graph(qmp, filename, format=3D'png'): graph.node(str(n['id']), label, shape=3Dshape) for e in block_graph['edges']: - label =3D '%s\l%s\l%s\l' % (e['name'], perm(e['perm']), - perm(e['shared-perm'])) + label =3D r'%s\l%s\l%s\l' % (e['name'], perm(e['perm']), + perm(e['shared-perm'])) graph.edge(str(e['parent']), str(e['child']), label=3Dlabel) graph.render(filename) --=20 2.52.0