Initial import

.gitignore

+# Byte-compiled / optimized / DLL files
+__pycache__/
+*.py[cod]
+*$py.class
+
+# C extensions
+*.so
+
+# Distribution / packaging
+.Python
+build/
+develop-eggs/
+dist/
+downloads/
+eggs/
+.eggs/
+lib/
+lib64/
+parts/
+sdist/
+var/
+wheels/
+share/python-wheels/
+*.egg-info/
+.installed.cfg
+*.egg
+MANIFEST
+
+# PyInstaller
+#  Usually these files are written by a python script from a template
+#  before PyInstaller builds the exe, so as to inject date/other infos into it.
+*.manifest
+*.spec
+
+# Installer logs
+pip-log.txt
+pip-delete-this-directory.txt
+
+# Unit test / coverage reports
+htmlcov/
+.tox/
+.nox/
+.coverage
+.coverage.*
+.cache
+nosetests.xml
+coverage.xml
+*.cover
+*.py,cover
+.hypothesis/
+.pytest_cache/
+cover/
+
+# Translations
+*.mo
+*.pot
+
+# Django stuff:
+*.log
+local_settings.py
+db.sqlite3
+db.sqlite3-journal
+
+# Flask stuff:
+instance/
+.webassets-cache
+
+# Scrapy stuff:
+.scrapy
+
+# Sphinx documentation
+docs/_build/
+
+# PyBuilder
+.pybuilder/
+target/
+
+# Jupyter Notebook
+.ipynb_checkpoints
+
+# IPython
+profile_default/
+ipython_config.py
+
+# pyenv
+#   For a library or package, you might want to ignore these files since the code is
+#   intended to run in multiple environments; otherwise, check them in:
+# .python-version
+
+# pipenv
+#   According to pypa/pipenv#598, it is recommended to include Pipfile.lock in version control.
+#   However, in case of collaboration, if having platform-specific dependencies or dependencies
+#   having no cross-platform support, pipenv may install dependencies that don't work, or not
+#   install all needed dependencies.
+#Pipfile.lock
+
+# poetry
+#   Similar to Pipfile.lock, it is generally recommended to include poetry.lock in version control.
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+#   commonly ignored for libraries.
+#   https://python-poetry.org/docs/basic-usage/#commit-your-poetrylock-file-to-version-control
+#poetry.lock
+
+# pdm
+#   Similar to Pipfile.lock, it is generally recommended to include pdm.lock in version control.
+#pdm.lock
+#   pdm stores project-wide configurations in .pdm.toml, but it is recommended to not include it
+#   in version control.
+#   https://pdm.fming.dev/#use-with-ide
+.pdm.toml
+
+# PEP 582; used by e.g. github.com/David-OConnor/pyflow and github.com/pdm-project/pdm
+__pypackages__/
+
+# Celery stuff
+celerybeat-schedule
+celerybeat.pid
+
+# SageMath parsed files
+*.sage.py
+
+# Environments
+.env
+.venv
+env/
+venv/
+ENV/
+env.bak/
+venv.bak/
+
+# Spyder project settings
+.spyderproject
+.spyproject
+
+# Rope project settings
+.ropeproject
+
+# mkdocs documentation
+/site
+
+# mypy
+.mypy_cache/
+.dmypy.json
+dmypy.json
+
+# Pyre type checker
+.pyre/
+
+# pytype static type analyzer
+.pytype/
+
+# Cython debug symbols
+cython_debug/
+
+# PyCharm
+#  JetBrains specific template is maintained in a separate JetBrains.gitignore that can
+#  be found at https://github.com/github/gitignore/blob/main/Global/JetBrains.gitignore
+#  and can be added to the global gitignore or merged into this file.  For a more nuclear
+#  option (not recommended) you can uncomment the following to ignore the entire idea folder.
+#.idea/

README.md

+# nctool
+
+Python tool for managing configuration of
+[NETCONF](https://datatracker.ietf.org/doc/rfc6241/)-enabled devices.

nctool.py

+#! /usr/bin/env python
+import argparse
+from getpass import getpass
+import os
+import os.path
+
+import lxml.etree as et
+
+from ncclient import manager
+
+from tqdm import tqdm
+
+
+def get_models(args):
+    try:
+        password = getpass(prompt="Password (C-d for none/agent only): ")
+    except EOFError:
+        password = None
+
+    with manager.connect(
+        host=args.host,
+        port=args.port,
+        username=args.username,
+        password=password,
+        timeout=90,
+        device_params={"name": "iosxe"},
+    ) as m:
+        caps = list(map(lambda x: x.strip(), m.server_capabilities))
+        if not any(map(lambda x: x.startswith(manager.NETCONF_MONITORING_NS), caps)):
+            raise Exception("device does not support rfc6022")
+
+        _filter = et.fromstring(
+            f"""
+            <netconf-state xmlns="{manager.NETCONF_MONITORING_NS}">
+              <schemas/>
+            </netconf-state>"""
+        )
+        res = m.get(("subtree", _filter))
+
+        prefix = f"{{{manager.NETCONF_MONITORING_NS}}}"
+
+        os.makedirs(args.destination, exist_ok=True)
+
+        pbar = tqdm(
+            res.data.findall(
+                "./x:netconf-state/x:schemas/x:schema",
+                {"x": manager.NETCONF_MONITORING_NS},
+            )
+        )
+        for schema in pbar:
+            identifier = schema.findtext(prefix + "identifier")
+            assert identifier is not None
+            version = schema.findtext(prefix + "version")
+            fmt = schema.findtext(prefix + "format")
+            assert any(
+                [el.text == "NETCONF" for el in schema.findall(prefix + "location")]
+            )
+            if version is not None:
+                v = f"@{version}"
+            else:
+                v = ""
+            filename = f"{identifier}{v}.{fmt}"
+            # pbar.set_description(filename)
+
+            # Don’t pass format because IOS XE doesn’t eat its own definition.
+            r = m.get_schema(identifier, version)
+
+            with open(os.path.join(args.destination, filename), "w") as fp:
+                fp.write(r.data)
+
+
+if __name__ == "__main__":
+    parser = argparse.ArgumentParser()
+
+    parser.add_argument(
+        "-a", "--host", type=str, required=True, help="Device IP address or Hostname"
+    )
+    parser.add_argument(
+        "-u",
+        "--username",
+        type=str,
+        required=True,
+        help="Device Username (netconf agent username)",
+    )
+    parser.add_argument("--port", type=int, default=830, help="Netconf agent port")
+
+    subparsers = parser.add_subparsers(required=True)
+
+    parser_gm = subparsers.add_parser(
+        "get-models", aliases=["gm"], help="Get YANG models from device"
+    )
+    parser_gm.add_argument(
+        "-d", "--destination", default="models", help="Destination directory"
+    )
+    parser_gm.set_defaults(func=get_models)
+
+    args = parser.parse_args()
+    args.func(args)

pyproject.toml

+[project]
+name = "nctool"
+version = "0.1.0"
+description = ""
+authors = [
+    {name = "Thomas Schneider", email = "thomas@fsmpi.rwth-aachen.de"},
+]
+requires-python = ">=3.10"
+readme = "README.md"
+license = {text = "EUPL-1.2"}
+
+dependencies = [
+    "ncclient>=0.6.13",
+    "lxml>=4.9.2",
+    "tqdm>=4.65.0",
+]
+
+[tool.pdm.dev-dependencies]
+dev = [
+    "ruff>=0.0.261",
+]
+
+[build-system]
+requires = ["pdm-backend"]
+build-backend = "pdm.backend"