On Thu, Dec 19, 2019 at 8:00 AM Ladislav Lhotka <lho...@nic.cz> wrote:
> On Thu, 2019-12-19 at 07:52 +0000, Schönwälder, Jürgen wrote: > > On Thu, Dec 19, 2019 at 08:23:27AM +0100, Ladislav Lhotka wrote: > > > I don't see how YANG syntax defines this. If a module imports > ietf-netconf- > > > acm, it could be because > > > > > > - it just uses a typedef, such as "node-instance-identifier", and then > > > ietf-netconf-acm needn't be implemented (but can be), > > > > > > or > > > > > > - it augments ietf-netconf-acm, which makes sense only if the latter > > > module is implemented. > > > > > > It it the YANG library that specifies whether a module is implemented > or > > > not, but the "import" statement itself doesn't tell you anything. > > > > > > > Can we not assume that an implementor will figure out the difference? > > An implementor should be able to figure it out, but other potential module > users > may not. For example, if somebody is evaluating whether to use a module for > their device or not, it is important to know that NACM has to be > implemented (or > not). > > You seem to be talking about a new conformance documentation procedure that attempts to solve the problem "to use modules A, B, and C together to achieve some functionality X, all these conditions need to be met". (Sounds more like a problem for YANG Packages to solve) IMO this is a much harder problem than something that can be solved with extra description-stmt text. The writer is likely to get it wrong or not keep it up to date, so a tool to analyze the file seems like a better solution. Lada > Andy > > > Or someone writes a pyang plugin to determine from the schema tree the > > kind of imports there are (for a given set of features). > > > > /js > > > -- > Ladislav Lhotka > Head, CZ.NIC Labs > PGP Key ID: 0xB8F92B08A9F76C67 > > _______________________________________________ > netmod mailing list > netmod@ietf.org > https://www.ietf.org/mailman/listinfo/netmod >
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