==========================
pyGNMI: Python gNMI client
==========================
.. image:: https://github.com/akarneliuk/pygnmi/blob/master/logo.png
:width: 300
:height: 300
:alt: pyGNMI logo
:align: center
|project|_ |version|_ |coverage|_ |tag|_ |license|_
This repository contains pure Python implementation of the gNMI client to interact with the network functions.
=====
Usage
=====
Sample code example:
.. code-block:: python3
# Modules
from pygnmi.client import gNMIclient
# Variables
host = ('169.254.255.64', '57400')
# Body
if __name__ == '__main__':
with gNMIclient(target=host, username='admin', password='admin', insecure=True) as gc:
result = gc.get(path=['openconfig-interfaces:interfaces', 'openconfig-acl:acl'])
print(result)
Also integration with Nornir is supported (`refer to examples <examples/nornir>`_).
Video tutorial
--------------
Watch the detailed explanation how to use pyGNMI `in our YouTube channel <https://www.youtube.com/watch?v=NooE_uHIgys&list=PLsTgo2tBPnTwmeP9zsd8B_tZR-kbguvla>`_.
All gNMI RPCs supported
-----------------------
- Capabilities
- Get
- Set
- Subscribe
Supported operation modes
-------------------------
- insecure gRPC channel (without encryption)
- secure gRPC channel (with encryption and authentication based on certificate)
Tested Network Operating Systems (NOS)
--------------------------------------
- Arista EOS
- Nokia SR OS
- Cisco IOS XR
- Juniper JUNOS
- Nokia SRLinux
- Cisco NX-OS
Network Operating Systems (NOS) in test
---------------------------------------
- Broadcom SONiC
=======
License
=======
By using the pyGNMI tool you agree with `the license <LICENSE.txt>`_.
============
Contributors
============
- `Anton Karneliuk <https://github.com/akarneliuk>`_
- `Stefan Lieberth <https://github.com/slieberth>`_
- `Prem Anand Haridoss <https://github.com/hprem>`_
- `Andrew Southard <https://github.com/andsouth44>`_
- `Jeroen van Bemme <https://github.com/jbemmel>`_
- `Frédéric Perrin <https://github.com/fperrin>`_
- `Malanovo <https://github.com/malanovo>`_
- `Sebastian Lohff <https://github.com/sebageek>`_
=======
Dev Log
=======
Release **0.8.14**:
- Number of minor bug fixes and improvements.
- Adding support of `prefix` to `pygnmicli`.
- `Adding error propagation from child thread to main thread <https://github.com/akarneliuk/pygnmi/pull/142>`
- `Changes to u_val <https://github.com/akarneliuk/pygnmi/pull/144>`
- `Adding Master Arbitration support for Set <https://github.com/akarneliuk/pygnmi/pull/146>`
- `Adding bytes_val and leaflist_val with string_val parsing <https://github.com/akarneliuk/pygnmi/pull/151>`
Release **0.8.13**:
- Number of minor bug fixes and improvements.
Release **0.8.12**:
- Fixed operation of `no_qos_marking` flag for `pygnmicli`.
Release **0.8.11**:
- Previous release introduced break for telemetry in `Juniper` due to inconsistency of communicated encoudings in `Capabilities()` and what is really supported in `Subscribe()`.
Release **0.8.10**:
- Automatic detection of supported encoding and using it where applicable (e.g., in `subscribe2` method).
- Possibility to remove `qos` from `Subscribe` for platforms, which doesn't support it (e.g., `Juniper`).
Release **0.8.9**:
- Default value for ``encoding`` everywhere is set to ``None``.
- Method ``capabilities()`` now is called as part of ``connect()`` to collect supported encoding as part of session establishing.
- If ``encoding`` is not specified by user, then it is auto-set based on the list collected via ``capabilites()`` with ``json`` having the first priority follwed by ``json_ietf``.
Release **0.8.8**:
- Added new argument ``-e / --encoding`` to ``pygnmicli`` to specify the encoding, which overrides the default one. Fix for `Issue 58 <https://github.com/akarneliuk/pygnmi/issues/58>`_.
- Fixed minor bug with encoding handling inside ``get()`` and ``subscribe2()`` methods.
- Simplified the code.
Release **0.8.7**:
- Fixed bug, when returned ``json_val`` or ``json_ietf_val`` is not processed correctly if the value is empty string. Fix for `Issue 58 <https://github.com/akarneliuk/pygnmi/issues/58>`_.
Release **0.8.6**:
- Fixed minor issue with establishing ``insecure`` channel.
- Fixed bug with inabillity to specify ``prefix`` in Subscribe messages for ``subscribe2()`` method.
- **Important**: It is recommended to use method ``subscribe2()`` instead of ``subscribe()`` for building telemetry collectors with ``pygnmi`` as this method is further developed and throroughle tested. The method ``subscribe()`` will be deprecated in future releases.
- Functionality ``qos`` is now properly supported in ``subscribe2()`` method.
Release **0.8.5**:
- Fixed some issues with telemetry representation with ``pygnmicli``.
Release **0.8.4**:
- Change logic of setting default values for some parameters to improve user experience.
- Added ``token`` authentication to ``pygnmicli``.
Release **0.8.3**:
- Changed behaviour of ``subscribe2()`` to RPC to avoid adding the empty ``Extension`` field for no extensions presenting. Fix for `Issue 83 <https://github.com/akarneliuk/pygnmi/issues/83>`_.
- Uppdated documentation with examples in GitHub.
- Added support of History extensions to ``pygnmicli``.
Release **0.8.2**:
- Implemented `History Extension <https://github.com/openconfig/reference/blob/master/rpc/gnmi/gnmi-history.md#1-purpose>`_.
- Implemented handling of corner case, where ``--skip-verify`` was failing trying to parse certificate, `which doesn't have CN and SARs <https://github.com/akarneliuk/pygnmi/issues/71>`_.
Release **0.8.1**:
- Removed the need for ``--no-binary=protobuf`` for operation.
Release **0.8.0**:
- **Important**: potentially breaking change. The dependency is moved from ``grpcio-tools`` to ``protobuf``, which as a standalone package has a much newer serion.
- Spec is rebuilt and updated to support gNMI of version ``0.8.0``.
Release **0.7.5**:
- Amended the logic of ``ONCE`` telemetry mode to automatically terminate on receiving ``{"sync_response": True}`` message.
Release **0.7.4**:
- Feature ``skip_verify`` is now stabilised and doesn't require subject alternative names any more.
Release **0.7.3**:
- Amended the logic of ``target`` functionality to be more inline with gNMI Reference.
Release **0.7.2**:
- Minor bug fixing in the ``skip_verify`` logic. **Impotant**: for this feature to work, you need at least one subject alternative name filed (DNS, IP address, email, - any will work). It also doesn't matter which value it has, but at least one item shall present.
Release **0.7.1**:
- Added new argument ``skip_verify`` to ``gNMIclient``, which removes a need to set the ``override`` argument manually. However, the latter one still stays for the backward compatibility.
- Changed default values for arguments ``username`` and ``password`` from ``None`` to ``""``, as with token-based authentication they don't need to be specified.
- Added new argument ``target`` to ``gNMIclient.get()``, ``gNMIclient.set()``, and ``gNMIclient.subscribe2()`` methods. If provided, it adds ``target`` key to ``Path()`` per `GNMI Specification 2.2.2.1 <https://github.com/openconfig/reference/blob/master/rpc/gnmi/gnmi-specification.md#2221-path-target>`_.
Release **0.7.0**:
- Added authentication with Token using ``Authorization: Bearer TOKEN``, where ``TOKEN`` is a variable provided as ``gNMIclient(token=TOKEN)`` key (needed for Arista CVP).
- Added functionality to change ``GRPC_SSL_CIPHER_SUITES`` dynamically to ``HIGH`` value (needed for Nokia SR OS).
Release **0.6.9**:
- Adding new documentation for mutual TLS feature.
Release **0.6.8**:
- Minor bug-fixing.
Release **0.6.7**:
- Added new ``show_diff`` key to ``gNMIclient`` object (supported values ``print`` and ``get``). When applied, it shows the changes happened to all keys following XPath from all arguments to ``Set()`` RPC at the network devices. It is so fair tailored to OpenConfig YANG modules as it uses some architectural principles of OpenConfig YANG module to re-construct XPath.
- Added an optional timeout to ``connect()`` method.
- Minor bug-fixing.
Release **0.6.6**:
- Minor bug-fixing.
Release **0.6.5**:
- Implemented ``prefix`` and ``timestamp`` in ``SetResponse`` message.
- Implemented ``alias`` and ``atomic`` in ``Notification`` message.
- Minor bug-fixing.
Release **0.6.4**:
- Minor bug-fixing.
Release **0.6.3**:
- Implemented ``prefix`` key in the ``Update`` message.
- Added possibility to provide password in STDIN rather than key.
- Minor bug-fixing.
Release **0.6.2**:
- Added support of keepalive timer for gRPC session to prevent automatic closure each 2 hours.
- Fixed issue with ``Subscribe`` RPC not sending delete notification in case of a path is removed from the node.
- Added the CLI based tool.
- Minor bug-fixing.
Release **0.6.1**:
- Added support of origin per RFC7951.
- Added timeout to the initial setup useful for long-living connections.
- Minor bug-fixing.
Release **0.6.0**:
- Significant improvements in telemetry capabilities of the pygnmi. Now you can use ``subscribe2`` method by simply providing the a corredponding dictionary at input and all modes (STREA, ONCE, POLL) are working correctly.
- Function ``telemetryParser`` is now automatically used inside ``subscribe2``.
- Telemetry is now implemeted using ``threading``.
- Added new unit tests with ``pytest`` and added code coverage with ``coverage.py``.
Release **0.5.3**:
- Minor improvements and bug fixing.
- Full coverage of unit tests for all operations (Capabilities, Get, Set(Update, Replace, Delete), Subscribe) and all notations of GNMI Path.
Release **0.5.2**:
- Minor bug fixing.
- First release with unit tests.
Release **0.5.1**:
- Added example for non-blocking iterator for telemetry.
- Added the extra support for Juniper TLS certificates.
- Fixed regexp warnings.
- Changed the logging functionality.
- Enabled Unix domain socket.
- Added ``close()``
- Many thanks for all contributors to make this release happen.
Release **0.5.0**:
- Added possibility to extract certificate from the destination network function.
Release **0.4.8**:
- Added documentation in module regading supported the different paths naming conventions. Supported options: ``yang-module:container/container[key=value]``, ``/yang-module:container/container[key=value]``, ``/yang-module:/container/container[key=value]``, ``/container/container[key=value]``
Release **0.4.6**:
- Fixed `gNMI Path issue <https://github.com/akarneliuk/pygnmi/issues/13>`_.
Release **0.4.6**:
- Replaced the ``sys.exit`` with raising exceptions.
- Minor bug fix.
- Brought the gNMI path to the canonical format: ``/origin:element1/element2...``.
- Added possibility to omit the YANG module name, as some vendors doesn't include that in the request per their gNMI implementation: ``/element1/element2...``.
Release **0.4.5**:
- Minor bug fix.
Release **0.4.4**:
- Minor bug fix.
Release **0.4.3**:
- Added possibility to modify the timeout (default value is 5 seconds) for the session using ``gnmi_timeout`` key for ``gNMIclient`` class.
Release **0.4.2**:
- Modified the path generation to comply with `gNMI Path encoding conventions <https://github.com/openconfig/reference/blob/master/rpc/gnmi/gnmi-path-conventions.md>`_.
- Fixed the problem ``debug`` output, where the requests where not printed in case of response failing.
Release **0.4.1**:
- Minor bug fix.
Release **0.4.0**:
- Added support for Juniper JUNOS
- Fixed the issue with ``override`` for PKI-based certificates
Release **0.3.12**:
- Minor bug fix.
Release **0.3.11**:
- Minor bug fix.
Release **0.3.10**:
- Renamed the debug mode. Add argument ``debug=True`` upon object creation to see the Protobuf messages.
Release **0.3.9**:
- Added functionality to list the full the device configuration in case the path is empty: ``get(path[])``.
Release **0.3.8**:
- Merged the proposal how to implement TLS with override for Cisco IOS XR (tested for Cisco IOS XR, to be tested for other vendors yet)
- Merged examples with TLS
Release **0.3.7**:
- Added the argument ``encoding`` as an extra key to ``Set`` operation
Release **0.3.6**:
- Added the argument ``encoding`` to ``Get`` operation
Release **0.3.5**:
- Added the example for Nornir Integration
- Added the topology diagram
- Added links to the video tutorial
Release **0.3.4**:
- Added the ``close`` method to ``gNMIClient`` class for those, who doesn't use ``with ... as ...`` context manager.
Release **0.3.3**:
- Added the functionality to pass gRPC messages to the code execution
Release **0.3.2**:
- Minor bugs fixed.
Release **0.3.1**:
- Minor bugs fixed.
- Added examples of gNMI operations.
Release **0.3.0**:
- Added new function ``telemetryParser``, which converts Protobuf messages in Python dictionary.
- Fixed the errors with the telemetry parsing.
Release **0.2.7**:
- Modified core so that telemetry is working in ``once`` and ``stream`` mode.
Release **0.2.6**:
- Added alpha version of the ``Subscribe`` operation.
Release **0.2.5**:
- Added typing hints.
Release **0.2.4**:
- Minor bugfixing.
Release **0.2.3**:
- Added support for IPv6 transport (now you can connect to the network function over IPv6).
Release **0.2.2**:
- Added conversion of the collected information over the gNMI into a Python dictionary for Set operation.
Release **0.2.1**:
- Fixing the bugs with improper Protobuf paths generation.
- Now all ``Set`` operations (``delete``, ``replace``, and ``update``) are working properly.
Releast **0.2.0**:
- Added the ``Set`` operation from gNMI specification.
Releast **0.1.9**:
- Added the property ``datatype='all'`` to the get() request. The values are per the gNMI specification: all, config, state, operatonal.
Release **0.1.8**:
- Added conversion of the collected information over the gNMI into a Python dictionary for Get operation.
Release **0.1.7**:
- Changing packages modules.
Release **0.1.6**:
- Restructuring internal context.
Release **0.1.5**:
- Minor bugfixing.
Release **0.1.4**:
- Minor bugfixing.
Release **0.1.3**:
- Minor bugfixing.
Release **0.1.2**:
- The gNMIClient is recreated as context manger.
- Tests with Nokia SR OS done, the module is working nice for insecure channel.
Release **0.1.1**:
- Added the ``Get`` operation out of gNMI specification.
Release **0.1.0**:
- The first release.
(c)2020-2022, karneliuk.com
.. |version| image:: https://img.shields.io/static/v1?label=latest&message=v0.8.14&color=success
.. _version: https://pypi.org/project/pygnmi/
.. |tag| image:: https://img.shields.io/static/v1?label=status&message=stable&color=success
.. _tag: https://pypi.org/project/pygnmi/
.. |license| image:: https://img.shields.io/static/v1?label=license&message=BSD-3-clause&color=success
.. _license: https://github.com/akarneliuk/pygnmi/blob/master/LICENSE.txt
.. |project| image:: https://img.shields.io/badge/akarneliuk%2Fpygnmi-blueviolet.svg?logo=github&color=success
.. _project: https://github.com/akarneliuk/pygnmi/
.. |coverage| image:: https://img.shields.io/static/v1?label=coverage&message=68%&color=yellow
.. _coverage: https://github.com/nedbat/coveragepy
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"description": "==========================\npyGNMI: Python gNMI client\n==========================\n\n.. image:: https://github.com/akarneliuk/pygnmi/blob/master/logo.png\n :width: 300\n :height: 300\n :alt: pyGNMI logo\n :align: center\n\n|project|_ |version|_ |coverage|_ |tag|_ |license|_\n\nThis repository contains pure Python implementation of the gNMI client to interact with the network functions.\n\n=====\nUsage\n=====\nSample code example:\n\n.. code-block:: python3\n\n # Modules\n from pygnmi.client import gNMIclient\n\n # Variables\n host = ('169.254.255.64', '57400')\n\n # Body\n if __name__ == '__main__':\n with gNMIclient(target=host, username='admin', password='admin', insecure=True) as gc:\n result = gc.get(path=['openconfig-interfaces:interfaces', 'openconfig-acl:acl'])\n \n print(result)\n\nAlso integration with Nornir is supported (`refer to examples <examples/nornir>`_).\n\nVideo tutorial\n--------------\nWatch the detailed explanation how to use pyGNMI `in our YouTube channel <https://www.youtube.com/watch?v=NooE_uHIgys&list=PLsTgo2tBPnTwmeP9zsd8B_tZR-kbguvla>`_.\n\n\nAll gNMI RPCs supported\n-----------------------\n- Capabilities\n- Get\n- Set\n- Subscribe\n\nSupported operation modes\n-------------------------\n- insecure gRPC channel (without encryption)\n- secure gRPC channel (with encryption and authentication based on certificate)\n\nTested Network Operating Systems (NOS)\n--------------------------------------\n- Arista EOS\n- Nokia SR OS\n- Cisco IOS XR\n- Juniper JUNOS\n- Nokia SRLinux\n- Cisco NX-OS\n\nNetwork Operating Systems (NOS) in test\n---------------------------------------\n- Broadcom SONiC\n\n=======\nLicense\n=======\nBy using the pyGNMI tool you agree with `the license <LICENSE.txt>`_.\n\n============\nContributors\n============\n\n- `Anton Karneliuk <https://github.com/akarneliuk>`_\n- `Stefan Lieberth <https://github.com/slieberth>`_\n- `Prem Anand Haridoss <https://github.com/hprem>`_\n- `Andrew Southard <https://github.com/andsouth44>`_\n- `Jeroen van Bemme <https://github.com/jbemmel>`_\n- `Fr\u00e9d\u00e9ric Perrin <https://github.com/fperrin>`_\n- `Malanovo <https://github.com/malanovo>`_\n- `Sebastian Lohff <https://github.com/sebageek>`_\n\n=======\nDev Log\n=======\n\nRelease **0.8.14**:\n- Number of minor bug fixes and improvements.\n- Adding support of `prefix` to `pygnmicli`.\n- `Adding error propagation from child thread to main thread <https://github.com/akarneliuk/pygnmi/pull/142>`\n- `Changes to u_val <https://github.com/akarneliuk/pygnmi/pull/144>`\n- `Adding Master Arbitration support for Set <https://github.com/akarneliuk/pygnmi/pull/146>`\n- `Adding bytes_val and leaflist_val with string_val parsing <https://github.com/akarneliuk/pygnmi/pull/151>`\n\nRelease **0.8.13**:\n- Number of minor bug fixes and improvements.\n\nRelease **0.8.12**:\n- Fixed operation of `no_qos_marking` flag for `pygnmicli`.\n\nRelease **0.8.11**:\n- Previous release introduced break for telemetry in `Juniper` due to inconsistency of communicated encoudings in `Capabilities()` and what is really supported in `Subscribe()`.\n\nRelease **0.8.10**:\n- Automatic detection of supported encoding and using it where applicable (e.g., in `subscribe2` method).\n- Possibility to remove `qos` from `Subscribe` for platforms, which doesn't support it (e.g., `Juniper`).\n\nRelease **0.8.9**:\n\n- Default value for ``encoding`` everywhere is set to ``None``.\n- Method ``capabilities()`` now is called as part of ``connect()`` to collect supported encoding as part of session establishing.\n- If ``encoding`` is not specified by user, then it is auto-set based on the list collected via ``capabilites()`` with ``json`` having the first priority follwed by ``json_ietf``.\n\nRelease **0.8.8**:\n\n- Added new argument ``-e / --encoding`` to ``pygnmicli`` to specify the encoding, which overrides the default one. Fix for `Issue 58 <https://github.com/akarneliuk/pygnmi/issues/58>`_.\n- Fixed minor bug with encoding handling inside ``get()`` and ``subscribe2()`` methods.\n- Simplified the code.\n\nRelease **0.8.7**:\n\n- Fixed bug, when returned ``json_val`` or ``json_ietf_val`` is not processed correctly if the value is empty string. Fix for `Issue 58 <https://github.com/akarneliuk/pygnmi/issues/58>`_.\n\nRelease **0.8.6**:\n\n- Fixed minor issue with establishing ``insecure`` channel.\n- Fixed bug with inabillity to specify ``prefix`` in Subscribe messages for ``subscribe2()`` method.\n- **Important**: It is recommended to use method ``subscribe2()`` instead of ``subscribe()`` for building telemetry collectors with ``pygnmi`` as this method is further developed and throroughle tested. The method ``subscribe()`` will be deprecated in future releases.\n- Functionality ``qos`` is now properly supported in ``subscribe2()`` method.\n\nRelease **0.8.5**:\n\n- Fixed some issues with telemetry representation with ``pygnmicli``.\n\nRelease **0.8.4**:\n\n- Change logic of setting default values for some parameters to improve user experience.\n- Added ``token`` authentication to ``pygnmicli``.\n\nRelease **0.8.3**:\n\n- Changed behaviour of ``subscribe2()`` to RPC to avoid adding the empty ``Extension`` field for no extensions presenting. Fix for `Issue 83 <https://github.com/akarneliuk/pygnmi/issues/83>`_.\n- Uppdated documentation with examples in GitHub.\n- Added support of History extensions to ``pygnmicli``.\n\nRelease **0.8.2**:\n\n- Implemented `History Extension <https://github.com/openconfig/reference/blob/master/rpc/gnmi/gnmi-history.md#1-purpose>`_.\n- Implemented handling of corner case, where ``--skip-verify`` was failing trying to parse certificate, `which doesn't have CN and SARs <https://github.com/akarneliuk/pygnmi/issues/71>`_.\n\nRelease **0.8.1**:\n\n- Removed the need for ``--no-binary=protobuf`` for operation.\n\nRelease **0.8.0**:\n\n- **Important**: potentially breaking change. The dependency is moved from ``grpcio-tools`` to ``protobuf``, which as a standalone package has a much newer serion.\n- Spec is rebuilt and updated to support gNMI of version ``0.8.0``.\n\nRelease **0.7.5**:\n\n- Amended the logic of ``ONCE`` telemetry mode to automatically terminate on receiving ``{\"sync_response\": True}`` message.\n\nRelease **0.7.4**:\n\n- Feature ``skip_verify`` is now stabilised and doesn't require subject alternative names any more.\n\nRelease **0.7.3**:\n\n- Amended the logic of ``target`` functionality to be more inline with gNMI Reference.\n\nRelease **0.7.2**:\n\n- Minor bug fixing in the ``skip_verify`` logic. **Impotant**: for this feature to work, you need at least one subject alternative name filed (DNS, IP address, email, - any will work). It also doesn't matter which value it has, but at least one item shall present.\n\nRelease **0.7.1**:\n\n- Added new argument ``skip_verify`` to ``gNMIclient``, which removes a need to set the ``override`` argument manually. However, the latter one still stays for the backward compatibility.\n- Changed default values for arguments ``username`` and ``password`` from ``None`` to ``\"\"``, as with token-based authentication they don't need to be specified.\n- Added new argument ``target`` to ``gNMIclient.get()``, ``gNMIclient.set()``, and ``gNMIclient.subscribe2()`` methods. If provided, it adds ``target`` key to ``Path()`` per `GNMI Specification 2.2.2.1 <https://github.com/openconfig/reference/blob/master/rpc/gnmi/gnmi-specification.md#2221-path-target>`_.\n\nRelease **0.7.0**:\n\n- Added authentication with Token using ``Authorization: Bearer TOKEN``, where ``TOKEN`` is a variable provided as ``gNMIclient(token=TOKEN)`` key (needed for Arista CVP).\n- Added functionality to change ``GRPC_SSL_CIPHER_SUITES`` dynamically to ``HIGH`` value (needed for Nokia SR OS).\n\nRelease **0.6.9**:\n\n- Adding new documentation for mutual TLS feature.\n\nRelease **0.6.8**:\n\n- Minor bug-fixing.\n\nRelease **0.6.7**:\n\n- Added new ``show_diff`` key to ``gNMIclient`` object (supported values ``print`` and ``get``). When applied, it shows the changes happened to all keys following XPath from all arguments to ``Set()`` RPC at the network devices. It is so fair tailored to OpenConfig YANG modules as it uses some architectural principles of OpenConfig YANG module to re-construct XPath.\n- Added an optional timeout to ``connect()`` method.\n- Minor bug-fixing.\n\nRelease **0.6.6**:\n\n- Minor bug-fixing.\n\nRelease **0.6.5**:\n\n- Implemented ``prefix`` and ``timestamp`` in ``SetResponse`` message.\n- Implemented ``alias`` and ``atomic`` in ``Notification`` message.\n- Minor bug-fixing.\n\nRelease **0.6.4**:\n\n- Minor bug-fixing.\n\nRelease **0.6.3**:\n\n- Implemented ``prefix`` key in the ``Update`` message.\n- Added possibility to provide password in STDIN rather than key.\n- Minor bug-fixing.\n\nRelease **0.6.2**:\n\n- Added support of keepalive timer for gRPC session to prevent automatic closure each 2 hours.\n- Fixed issue with ``Subscribe`` RPC not sending delete notification in case of a path is removed from the node.\n- Added the CLI based tool.\n- Minor bug-fixing.\n\nRelease **0.6.1**:\n\n- Added support of origin per RFC7951.\n- Added timeout to the initial setup useful for long-living connections.\n- Minor bug-fixing.\n\nRelease **0.6.0**:\n\n- Significant improvements in telemetry capabilities of the pygnmi. Now you can use ``subscribe2`` method by simply providing the a corredponding dictionary at input and all modes (STREA, ONCE, POLL) are working correctly.\n- Function ``telemetryParser`` is now automatically used inside ``subscribe2``.\n- Telemetry is now implemeted using ``threading``.\n- Added new unit tests with ``pytest`` and added code coverage with ``coverage.py``.\n\nRelease **0.5.3**:\n\n- Minor improvements and bug fixing.\n- Full coverage of unit tests for all operations (Capabilities, Get, Set(Update, Replace, Delete), Subscribe) and all notations of GNMI Path.\n\nRelease **0.5.2**:\n\n- Minor bug fixing.\n- First release with unit tests.\n\nRelease **0.5.1**:\n\n- Added example for non-blocking iterator for telemetry.\n- Added the extra support for Juniper TLS certificates.\n- Fixed regexp warnings.\n- Changed the logging functionality.\n- Enabled Unix domain socket.\n- Added ``close()`` \n- Many thanks for all contributors to make this release happen.\n\nRelease **0.5.0**:\n\n- Added possibility to extract certificate from the destination network function.\n\nRelease **0.4.8**:\n\n- Added documentation in module regading supported the different paths naming conventions. Supported options: ``yang-module:container/container[key=value]``, ``/yang-module:container/container[key=value]``, ``/yang-module:/container/container[key=value]``, ``/container/container[key=value]``\n\nRelease **0.4.6**:\n\n- Fixed `gNMI Path issue <https://github.com/akarneliuk/pygnmi/issues/13>`_.\n\nRelease **0.4.6**:\n\n- Replaced the ``sys.exit`` with raising exceptions.\n- Minor bug fix.\n- Brought the gNMI path to the canonical format: ``/origin:element1/element2...``.\n- Added possibility to omit the YANG module name, as some vendors doesn't include that in the request per their gNMI implementation: ``/element1/element2...``.\n\nRelease **0.4.5**:\n\n- Minor bug fix.\n\nRelease **0.4.4**:\n\n- Minor bug fix.\n\nRelease **0.4.3**:\n\n- Added possibility to modify the timeout (default value is 5 seconds) for the session using ``gnmi_timeout`` key for ``gNMIclient`` class.\n\nRelease **0.4.2**:\n\n- Modified the path generation to comply with `gNMI Path encoding conventions <https://github.com/openconfig/reference/blob/master/rpc/gnmi/gnmi-path-conventions.md>`_.\n- Fixed the problem ``debug`` output, where the requests where not printed in case of response failing.\n\nRelease **0.4.1**:\n\n- Minor bug fix.\n\nRelease **0.4.0**:\n\n- Added support for Juniper JUNOS\n- Fixed the issue with ``override`` for PKI-based certificates\n\nRelease **0.3.12**:\n\n- Minor bug fix.\n\nRelease **0.3.11**:\n\n- Minor bug fix.\n\nRelease **0.3.10**:\n\n- Renamed the debug mode. Add argument ``debug=True`` upon object creation to see the Protobuf messages.\n\nRelease **0.3.9**:\n\n- Added functionality to list the full the device configuration in case the path is empty: ``get(path[])``.\n\nRelease **0.3.8**:\n\n- Merged the proposal how to implement TLS with override for Cisco IOS XR (tested for Cisco IOS XR, to be tested for other vendors yet)\n- Merged examples with TLS\n\nRelease **0.3.7**:\n\n- Added the argument ``encoding`` as an extra key to ``Set`` operation\n\nRelease **0.3.6**:\n\n- Added the argument ``encoding`` to ``Get`` operation\n\nRelease **0.3.5**:\n\n- Added the example for Nornir Integration\n- Added the topology diagram\n- Added links to the video tutorial\n\nRelease **0.3.4**:\n\n- Added the ``close`` method to ``gNMIClient`` class for those, who doesn't use ``with ... as ...`` context manager.\n\nRelease **0.3.3**:\n\n- Added the functionality to pass gRPC messages to the code execution\n\nRelease **0.3.2**:\n\n- Minor bugs fixed.\n\nRelease **0.3.1**:\n\n- Minor bugs fixed.\n- Added examples of gNMI operations.\n\nRelease **0.3.0**:\n\n- Added new function ``telemetryParser``, which converts Protobuf messages in Python dictionary.\n- Fixed the errors with the telemetry parsing.\n\nRelease **0.2.7**:\n\n- Modified core so that telemetry is working in ``once`` and ``stream`` mode.\n\nRelease **0.2.6**:\n\n- Added alpha version of the ``Subscribe`` operation.\n\nRelease **0.2.5**:\n\n- Added typing hints.\n\nRelease **0.2.4**:\n\n- Minor bugfixing.\n\nRelease **0.2.3**:\n\n- Added support for IPv6 transport (now you can connect to the network function over IPv6).\n\nRelease **0.2.2**:\n\n- Added conversion of the collected information over the gNMI into a Python dictionary for Set operation.\n\nRelease **0.2.1**:\n\n- Fixing the bugs with improper Protobuf paths generation.\n- Now all ``Set`` operations (``delete``, ``replace``, and ``update``) are working properly.\n\nReleast **0.2.0**:\n\n- Added the ``Set`` operation from gNMI specification.\n\nReleast **0.1.9**:\n\n- Added the property ``datatype='all'`` to the get() request. The values are per the gNMI specification: all, config, state, operatonal.\n\nRelease **0.1.8**:\n\n- Added conversion of the collected information over the gNMI into a Python dictionary for Get operation.\n\nRelease **0.1.7**:\n\n- Changing packages modules.\n\nRelease **0.1.6**:\n\n- Restructuring internal context.\n\nRelease **0.1.5**:\n\n- Minor bugfixing.\n\nRelease **0.1.4**:\n\n- Minor bugfixing.\n\nRelease **0.1.3**:\n\n- Minor bugfixing.\n\nRelease **0.1.2**:\n\n- The gNMIClient is recreated as context manger.\n- Tests with Nokia SR OS done, the module is working nice for insecure channel.\n\nRelease **0.1.1**:\n\n- Added the ``Get`` operation out of gNMI specification.\n\nRelease **0.1.0**:\n\n- The first release.\n\n(c)2020-2022, karneliuk.com\n\n.. |version| image:: https://img.shields.io/static/v1?label=latest&message=v0.8.14&color=success\n.. _version: https://pypi.org/project/pygnmi/\n.. |tag| image:: https://img.shields.io/static/v1?label=status&message=stable&color=success\n.. _tag: https://pypi.org/project/pygnmi/\n.. |license| image:: https://img.shields.io/static/v1?label=license&message=BSD-3-clause&color=success\n.. _license: https://github.com/akarneliuk/pygnmi/blob/master/LICENSE.txt\n.. |project| image:: https://img.shields.io/badge/akarneliuk%2Fpygnmi-blueviolet.svg?logo=github&color=success\n.. _project: https://github.com/akarneliuk/pygnmi/\n.. |coverage| image:: https://img.shields.io/static/v1?label=coverage&message=68%&color=yellow\n.. _coverage: https://github.com/nedbat/coveragepy",
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