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Merge pull request #79 from netboxlabs/develop
Release v0.4.0
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‎.github/workflows/lint-tests.yaml‎

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name: Lint and tests
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on:
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workflow_dispatch:
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pull_request:
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push:
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branches:
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- "!release"
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concurrency:
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group: ${{ github.workflow }}
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cancel-in-progress: false
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permissions:
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contents: write
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checks: write
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pull-requests: write
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jobs:
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lint:
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runs-on: ubuntu-latest
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timeout-minutes: 10
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steps:
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- name: Checkout
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uses: actions/checkout@v4
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- name: Setup Python
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uses: actions/setup-python@v5
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with:
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python-version: "3.10"
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- name: Install dependencies
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run: |
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python -m pip install --upgrade pip
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pip install .
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pip install .[dev]
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pip install .[test]
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- name: Build documentation
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run: mkdocs build
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- name: Run pycodestyle
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run: |
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pycodestyle --ignore=W504,E501 netbox_branching/
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tests:
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runs-on: ubuntu-latest
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timeout-minutes: 10
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strategy:
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matrix:
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python-version: [ "3.10", "3.11", "3.12" ]
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services:
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redis:
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image: redis
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ports:
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- 6379:6379
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postgres:
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image: postgres
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env:
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POSTGRES_USER: netbox
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POSTGRES_PASSWORD: netbox
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options: >-
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--health-cmd pg_isready
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--health-interval 10s
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--health-timeout 5s
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--health-retries 5
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ports:
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- 5432:5432
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steps:
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- name: Checkout netbox-branching
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uses: actions/checkout@v4
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with:
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path: netbox-branching
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- name: Setup Python ${{ matrix.python-version }}
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uses: actions/setup-python@v5
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with:
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python-version: ${{ matrix.python-version }}
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- name: Checkout netbox
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uses: actions/checkout@v4
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with:
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repository: "netbox-community/netbox"
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path: netbox
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- name: Install netbox-branching
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working-directory: netbox-branching
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run: |
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# Include tests directory for test
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sed -i 's/exclude-package-data/#exclude-package-data/g' pyproject.toml
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python -m pip install --upgrade pip
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pip install .
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pip install .[test]
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- name: Install dependencies & configure plugin
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working-directory: netbox
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run: |
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ln -s $(pwd)/../netbox-branching/testing/configuration.py netbox/netbox/configuration.py
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ln -s $(pwd)/../netbox-branching/testing/local_settings.py netbox/netbox/local_settings.py
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python -m pip install --upgrade pip
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pip install -r requirements.txt -U
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- name: Run tests
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working-directory: netbox
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run: |
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python netbox/manage.py test netbox_branching.tests --keepdb

‎docs/changelog.md‎

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# Change Log
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## v0.4.0
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### Enhancements
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* [#52](https://github.com/netboxlabs/nbl-netbox-branching/issues/52) - Introduce the `max_branches` config parameter
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* [#71](https://github.com/netboxlabs/nbl-netbox-branching/issues/71) - Ensure the consistent application of logging messages
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* [#76](https://github.com/netboxlabs/nbl-netbox-branching/issues/76) - Validate required configuration items on initialization
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### Bug Fixes
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* [#57](https://github.com/netboxlabs/nbl-netbox-branching/issues/57) - Avoid recording ChangeDiff records for unsupported object types
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* [#59](https://github.com/netboxlabs/nbl-netbox-branching/issues/59) - `BranchAwareRouter` should consider branching support for model when determining database connection to use
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* [#61](https://github.com/netboxlabs/nbl-netbox-branching/issues/61) - Fix transaction rollback when performing a dry run sync
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* [#66](https://github.com/netboxlabs/nbl-netbox-branching/issues/66) - Capture object representation on ChangeDiff when creating a new object within a branch
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* [#69](https://github.com/netboxlabs/nbl-netbox-branching/issues/69) - Represent null values for ChangeDiff fields consistently in REST API
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* [#73](https://github.com/netboxlabs/nbl-netbox-branching/issues/73) - Ensure all relevant branch diffs are updated when an object is modified in main
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---
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## v0.3.1
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### Bug Fixes

‎docs/configuration.md‎

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# Configuration Parameters
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## `max_branches`
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Default: None
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The maximum number of branches that can exist simultaneously, including merged branches that have not been deleted. It may be desirable to limit the total number of provisioned branches to safeguard against excessive database size.
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---
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## `schema_prefix`
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Default: `branch_`
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The string to prefix to the unique branch ID when provisioning the PostgreSQL schema for a branch. Per [the PostgreSQL documentation](https://www.postgresql.org/docs/16/sql-syntax-lexical.html#SQL-SYNTAX-IDENTIFIERS), this string must begin with a letter or underscore.
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Note that a valid prefix is required, as the randomly-generated branch ID alone may begin with a digit, which would not qualify as a valid schema name.

‎mkdocs.yml‎

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- Syncing & Merging: 'using-branches/syncing-merging.md'
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- Reverting a Branch: 'using-branches/reverting-a-branch.md'
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- REST API: 'rest-api.md'
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- Configuration: 'configuration.md'
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- Data Model:
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- Branch: 'models/branch.md'
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- BranchEvent: 'models/branchevent.md'

‎netbox_branching/__init__.py‎

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from django.conf import settings
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from django.core.exceptions import ImproperlyConfigured
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from netbox.plugins import PluginConfig
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from netbox.registry import registry
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class AppConfig(PluginConfig):
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name = 'netbox_branching'
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verbose_name = 'NetBox Branching'
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description = 'A git-like branching implementation for NetBox'
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version = '0.3.1'
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version = '0.4.0'
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base_url = 'branching'
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min_version = '4.1'
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middleware = [
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'netbox_branching.middleware.BranchMiddleware'
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]
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default_settings = {
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# The maximum number of branches which can be provisioned simultaneously
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'max_branches': None,
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# This string is prefixed to the name of each new branch schema during provisioning
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'schema_prefix': 'branch_',
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}
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def ready(self):
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super().ready()
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from . import events, search, signal_receivers
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from . import constants, events, search, signal_receivers
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from .utilities import DynamicSchemaDict
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# Validate required settings
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if type(settings.DATABASES) is not DynamicSchemaDict:
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raise ImproperlyConfigured(
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"netbox_branching: DATABASES must be a DynamicSchemaDict instance."
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)
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if 'netbox_branching.database.BranchAwareRouter' not in settings.DATABASE_ROUTERS:
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raise ImproperlyConfigured(
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"netbox_branching: DATABASE_ROUTERS must contain 'netbox_branching.database.BranchAwareRouter'."
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)
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# Record all object types which support branching in the NetBox registry
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if 'branching' not in registry['model_features']:
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registry['model_features']['branching'] = {
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k: v for k, v in registry['model_features']['change_logging'].items()
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if k not in constants.EXCLUDED_APPS
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}
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config = AppConfig

‎netbox_branching/constants.py‎

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# URL query parameter name
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QUERY_PARAM = '_branch'
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# Apps which are explicitly excluded from branching
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EXCLUDED_APPS = (
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'netbox_branching',
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'netbox_changes',
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)

‎netbox_branching/database.py‎

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from netbox.registry import registry
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from .contextvars import active_branch
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A Django database router that returns the appropriate connection/schema for
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the active branch (if any).
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"""
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def db_for_read(self, model, **hints):
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def _get_db(self, model, **hints):
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# Bail if the model does not support branching
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app_label, model_name = model._meta.label.lower().split('.')
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if model_name not in registry['model_features']['branching'].get(app_label, []):
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return
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# Return the schema for the active branch (if any)
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if branch := active_branch.get():
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return f'schema_{branch.schema_name}'
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return None
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def db_for_read(self, model, **hints):
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return self._get_db(model, **hints)
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def db_for_write(self, model, **hints):
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if branch := active_branch.get():
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return f'schema_{branch.schema_name}'
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return None
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return self._get_db(model, **hints)
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def allow_relation(self, obj1, obj2, **hints):
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# Permit relations from the branch schema to the main (public) schema

‎netbox_branching/migrations/0001_initial.py‎

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dependencies = [
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('contenttypes', '0002_remove_content_type_name'),
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('core', '0011_move_objectchange'),
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('extras', '0118_notifications'),
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('extras', '0119_notifications'),
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migrations.swappable_dependency(settings.AUTH_USER_MODEL),
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]
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