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Tue, 3 Aug 2021 15:17:02 +0200 (CEST) From: Markus Armbruster To: marcandre.lureau@redhat.com Subject: Re: [PATCH v6 07/11] qapi: replace if condition list with dict {'all': [...]} References: <20210618102507.3761128-1-marcandre.lureau@redhat.com> <20210618102507.3761128-8-marcandre.lureau@redhat.com> Date: Tue, 03 Aug 2021 15:17:02 +0200 In-Reply-To: <20210618102507.3761128-8-marcandre.lureau@redhat.com> (marcandre lureau's message of "Fri, 18 Jun 2021 14:25:03 +0400") Message-ID: <87wnp2r7ld.fsf@dusky.pond.sub.org> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/27.2 (gnu/linux) MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.84 on 10.5.11.23 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=armbru@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Received-SPF: pass client-ip=170.10.133.124; envelope-from=armbru@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -34 X-Spam_score: -3.5 X-Spam_bar: --- X-Spam_report: (-3.5 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.699, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, 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: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Eric Blake , jsnow@redhat.com, qemu-devel@nongnu.org, stefanha@redhat.com Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" One more thing... marcandre.lureau@redhat.com writes: > From: Marc-Andr=C3=A9 Lureau > > Replace the simple list sugar form with a recursive structure that will > accept other operators in the following commits (all, any or not). > > Signed-off-by: Marc-Andr=C3=A9 Lureau > --- [...] > diff --git a/scripts/qapi/expr.py b/scripts/qapi/expr.py > index 496f7e0333..3ee66c5f62 100644 > --- a/scripts/qapi/expr.py > +++ b/scripts/qapi/expr.py > @@ -259,14 +259,12 @@ def check_flags(expr: _JSONObject, info: QAPISource= Info) -> None: > =20 > def check_if(expr: _JSONObject, info: QAPISourceInfo, source: str) -> No= ne: > """ > - Normalize and validate the ``if`` member of an object. > + Validate the ``if`` member of an object. > =20 > - The ``if`` member may be either a ``str`` or a ``List[str]``. > - A ``str`` value will be normalized to ``List[str]``. > + The ``if`` member may be either a ``str`` or a dict. > =20 > :forms: > - :sugared: ``Union[str, List[str]]`` > - :canonical: ``List[str]`` > + :canonical: ``Union[str, dict]`` > =20 > :param expr: The expression containing the ``if`` member to validate= . > :param info: QAPI schema source file information. > @@ -275,31 +273,45 @@ def check_if(expr: _JSONObject, info: QAPISourceInf= o, source: str) -> None: > :raise QAPISemError: > When the "if" member fails validation, or when there are no > non-empty conditions. > - :return: None, ``expr`` is normalized in-place as needed. > + :return: None > """ > ifcond =3D expr.get('if') > if ifcond is None: > return > =20 > - if isinstance(ifcond, list): > - if not ifcond: > - raise QAPISemError( > - info, "'if' condition [] of %s is useless" % source) > - else: > - # Normalize to a list > - ifcond =3D expr['if'] =3D [ifcond] > + def _check_if(cond: Union[str, object]) -> None: > + if isinstance(cond, str): > + if not cond.strip(): > + raise QAPISemError( > + info, > + "'if' condition '%s' of %s makes no sense" > + % (cond, source)) > + return > =20 > - for elt in ifcond: > - if not isinstance(elt, str): > + if not isinstance(cond, dict): > raise QAPISemError( > info, > - "'if' condition of %s must be a string or a list of stri= ngs" > - % source) > - if not elt.strip(): > + "'if' condition of %s must be a string or a dict" % sour= ce) > + if len(cond) !=3D 1: > raise QAPISemError( > info, > - "'if' condition '%s' of %s makes no sense" > - % (elt, source)) > + "'if' condition dict of %s must have one key: " > + "'all'" % source) Not covered by the negative tests in tests/qapi-schema/. Please double-check that all new errors are covered. > + check_keys(cond, info, "'if' condition", [], > + ["all"]) > + > + oper, operands =3D next(iter(cond.items())) > + if not operands: > + raise QAPISemError( > + info, "'if' condition [] of %s is useless" % source) > + > + if oper in ("all") and not isinstance(operands, list): > + raise QAPISemError( > + info, "'%s' condition of %s must be a list" % (oper, sou= rce)) > + for operand in operands: > + _check_if(operand) > + > + _check_if(ifcond) > =20 > =20 [...]