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Wed, 12 Aug 2026 08:56:42 -0700 (PDT) From: =?UTF-8?q?Alex=20Benn=C3=A9e?= To: qemu-devel@nongnu.org Cc: =?UTF-8?q?Alex=20Benn=C3=A9e?= , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , John Snow , Cleber Rosa Subject: [RFC PATCH] scripts/feature_to_c.py: fix invalid escape Date: Wed, 12 Aug 2026 16:56:35 +0100 Message-ID: <20260812155636.4158158-1-alex.bennee@linaro.org> X-Mailer: git-send-email 2.47.3 MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists1p.gnu.org; Received-SPF: pass client-ip=2a00:1450:4864:20::331; envelope-from=alex.bennee@linaro.org; helo=mail-wm1-x331.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: qemu development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @linaro.org) X-ZM-MESSAGEID: 1786550247267158500 This leg of the python code is trying to emit literal octal values but bodges the escape sequence. The newer python on my macOS box complained: /Users/alex/lsrc/qemu.git/gdbstub/../scripts/feature_to_c.py:28: SyntaxWa= rning: "\{" is an invalid escape sequence. Such sequences will not work in = the future. Did you mean "\\{"? A raw string is also an option. sys.stdout.write(f'\{c:03o}') Signed-off-by: Alex Benn=C3=A9e --- scripts/feature_to_c.py | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/scripts/feature_to_c.py b/scripts/feature_to_c.py index a52cd2e9ec6..4275b758172 100644 --- a/scripts/feature_to_c.py +++ b/scripts/feature_to_c.py @@ -25,7 +25,7 @@ def writeliteral(indent, bytes): elif c >=3D 32 and c < 127: sys.stdout.write(c.to_bytes(1, 'big').decode()) else: - sys.stdout.write(f'\{c:03o}') + sys.stdout.write(f'\\{c:03o}') =20 if quoted: sys.stdout.write('"') --=20 2.47.3