Re: [netmod] Fwd: Re: How to grep through a YANG? With grepyang

Hi Rob,

My answers inline.

Regards,
Ariel

Quoting Robert Wilton <rwilton@cisco.com>:

> Hi Ariel,
>
> This looks like an interesting/useful tool.
>
> Have you considered hooking into pyang as a pyang extension?
Till today, no; grpeyang is still a rush, needing improvements and  
cleanups. You suggested a nice idea, indeed.
> pyang is one of the defacto standard tools that folks interacting with
> yang often use.  If your aim to get widespread usage of your tool
> making it a pyang extension may be one way to achieve that. E.g. this
> would then allow your tool to generate tree output for selected yang
> subtree(s) nodes that you find, or other nice things.
Thanks for your feedback, Rob. Then, I will read through the code of  
pyang, and check the dependencies, if they are any. Who manages the  
Github repository?
>
> Thanks,
> Rob
>
>
> On 30/03/2018 15:45, otilibil@eurecom.fr wrote:
>> Hi all,
>> grepyang has got a new feature: it could grep for a node through a module:
>>
>> # ./grepyang cancel-commit ietf-netconf@2011-06-01.yang
>> 853:  rpc cancel-commit {
>> 854:    if-feature confirmed-commit;
>> 855:    description
>> 856:      "This operation is used to cancel an ongoing confirmed commit.
>> 857:       If the confirmed commit is persistent, the parameter
>> 858:       'persist-id' must be given, and it must match the value of the
>> 859:       'persist' parameter.";
>> 860:    reference "RFC 6241, Section 8.4.4.1";
>> 861:
>> 862:    input {
>> 863:      leaf persist-id {
>> 864:        type string;
>> 865:        description
>> 866:          "This parameter is given in order to cancel a persistent
>> 867:           confirmed commit.  The value must be equal to the value
>> 868:           given in the 'persist' parameter to the <commit> operation.
>> 869:           If it does not match, the operation fails with an
>> 870:          'invalid-value' error.";
>> 871:      }
>> 872:    }
>> 873:  }
>>
>> Now it can grep for a node with a greped node:
>>
>> # ./grepyang input cancel-commit ietf-netconf@2011-06-01.yang
>> 853:  rpc cancel-commit {
>> 862:    input {
>> 863:      leaf persist-id {
>> 864:        type string;
>> 865:        description
>> 866:          "This parameter is given in order to cancel a persistent
>> 867:           confirmed commit.  The value must be equal to the value
>> 868:           given in the 'persist' parameter to the <commit> operation.
>> 869:           If it does not match, the operation fails with an
>> 870:          'invalid-value' error.";
>> 871:      }
>> 872:    }
>> 873:  }
>>
>> pyang lacks such features; that's why I have been working on grepyang.
>>
>> It is out on Github (https://github.com/ariel-anieli/grepyang);   
>> feel free to play around with it.
>>
>> If you find it of any interest, have some remarks, or see it needs   
>> enhancements; please,  do so: I will work on the issues.
>>
>> Regards,
>> Ariel
>>
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