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base repository: LabNConsulting/libyang-python
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head repository: CESNET/libyang-python
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  • 16 commits
  • 14 files changed
  • 4 contributors

Commits on Oct 16, 2025

  1. data: option to allow json int/bool as strings 

    Depends on CESNET/libyang#2344

Add support for new option to python bindings.

Signed-off-by: Brad House <[email protected]>
    @bradh352 @rjarry
    bradh352 authored and rjarry committed Oct 16, 2025
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  2. schema/context: restore some backlinks support 

    In libyang v1 the schema nodes had a backlinks member to be able to
look up dependents of the node.  SONiC depends on this to provide
functionality it uses and it needs to be exposed via the python
module.

In theory, exposing the 'dfs' functions could make this work, but
it would likely be cost prohibitive since walking the tree would
be expensive to create a python node for evaluation in native
python.

Instead this PR depends on the this libyang PR:
CESNET/libyang#2352
And adds thin wrappers.

This implementation provides 2 python functions:
 * Context.find_backlinks_paths() - This function can
   take the path of the base node and find all dependents.  If
   no path is specified, then it will return all nodes that contain
   a leafref reference.
 * Context.find_leafref_path_target_paths() - This function takes
   an xpath, then returns all target nodes the xpath may reference.
   Typically only one will be returned, but multiples may be in the
   case of a union.

A user can build a cache by combining Context.find_backlinks_paths()
with no path set and building a reverse table using
Context.find_leafref_path_target_paths()

Signed-off-by: Brad House <[email protected]>
    @bradh352 @rjarry
    bradh352 authored and rjarry committed Oct 16, 2025
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  3. context: use normal type hint rather than forward reference 

    SNode is imported and available so there's no need to use the "libyang.SNode"
forward reference form. (based)pyright complains about this as it considers
these forward references as `Unknown` -- perhaps it should be smarter, but
that's a different issue.

Signed-off-by: Christian Hopps <[email protected]>
    @choppsv1 @rjarry
    choppsv1 authored and rjarry committed Oct 16, 2025
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  4. tests: test_iffeature_state crash fix 

    As observed on Debian Trixie RC2, test_iffeature_state crashes due
to an internal pointer being invalidated.  This invalidation appears
to be due to a call to lys_set_implemented() possibly causing a
full recompile of the ctx.

This simply reorders the caching of the path pointers so they are
not invalidated when used.

Signed-off-by: Brad House <[email protected]>
    @bradh352 @rjarry
    bradh352 authored and rjarry committed Oct 16, 2025
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  5. data: add missing DNode.is_default API 

    Add access to libyang lyd_is_default() API.

Signed-off-by: Christian Hopps <[email protected]>
    @choppsv1 @rjarry
    choppsv1 authored and rjarry committed Oct 16, 2025
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  6. data: add missing DataType's 

    Simplify the code to using python enum functionality.

Signed-off-by: Christian Hopps <[email protected]>
    @choppsv1 @rjarry
    choppsv1 authored and rjarry committed Oct 16, 2025
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  7. data: adding ability to get target_nodes 

    This patch introduces target_nodes API, which allows user
to get all target data nodes that current leafref node is pointing
to

Signed-off-by: Stefan Gula <[email protected]>
    @steweg @rjarry
    steweg authored and rjarry committed Oct 16, 2025
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  8. data: adding dep_tree option for RPC validation 

    This patch introduces dep_tree option to provide config
data to which the RPC can referenced to during validation

Signed-off-by: Stefan Gula <[email protected]>
    @steweg @rjarry
    steweg authored and rjarry committed Oct 16, 2025
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  9. schema: adds ability to use with_choice option in children calls 

    This patch adds ability to use with_choice within RPC and Notification

Signed-off-by: Stefan Gula <[email protected]>
    @steweg @rjarry
    steweg authored and rjarry committed Oct 16, 2025
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  10. schema: adds ability to get various outputs as extension parent_node 

    This patch adds ability to get also PRefine, PType and PEnum as a valid
output using extension parent_node function

Signed-off-by: Stefan Gula <[email protected]>
    @steweg @rjarry
    steweg authored and rjarry committed Oct 16, 2025
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  11. data: add structured error in exception 

    Refactor LibyangError exception handling with structured details

Signed-off-by: Pepa Hajek <[email protected]>
    @rjarry
    Pepa Hajek authored and rjarry committed Oct 16, 2025
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  12. schema: add missing extensions() for access to module level 

    Currently only have access to the extensions used under schema nodes, need
access to extensions used at the module level.

Add a test case for the functionality as well.

Signed-off-by: Christian Hopps <[email protected]>
    @choppsv1 @rjarry
    choppsv1 authored and rjarry committed Oct 16, 2025
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  13. schema: adds extensions and get_extension for Enum class 

    This patch allows to get extensions on Enum type

Signed-off-by: Stefan Gula <[email protected]>
    @steweg @rjarry
    steweg authored and rjarry committed Oct 16, 2025
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  14. context: adds find_xpath_atoms function 

    This patch is adding find_xpath_atoms on context level to allow users to
get all nodes needed for xpath evaluation

Signed-off-by: Stefan Gula <[email protected]>
    @steweg @rjarry
    steweg authored and rjarry committed Oct 16, 2025
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  15. schema: adds ability to get when context nodes 

    This patch adds ability to get context schema node from which when
contition is evaluated. It also fixes memory leak of original
when_conditions

Signed-off-by: Stefan Gula <[email protected]>
    @steweg @rjarry
    steweg authored and rjarry committed Oct 16, 2025
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  16. schema: adds libyang.Enum to package 

    This patch adds missing Enum class to __init__.py to allow imports by
library users

Signed-off-by: Stefan Gula <[email protected]>
    @steweg @rjarry
    steweg authored and rjarry committed Oct 16, 2025
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