feat: Add Cognee integration

.github/labeler.yml

@@ -39,6 +39,11 @@ integration:azure-doc-intelligence:
       - any-glob-to-any-file: "integrations/azure_doc_intelligence/**/*"
       - any-glob-to-any-file: ".github/workflows/azure_doc_intelligence.yml"
 
+integration:cognee:
+  - changed-files:
+      - any-glob-to-any-file: "integrations/cognee/**/*"
+      - any-glob-to-any-file: ".github/workflows/cognee.yml"
+
 integration:chroma:
   - changed-files:
       - any-glob-to-any-file: "integrations/chroma/**/*"

.github/workflows/cognee.yml

@@ -0,0 +1,79 @@
+# This workflow comes from https://github.com/ofek/hatch-mypyc
+# https://github.com/ofek/hatch-mypyc/blob/5a198c0ba8660494d02716cfc9d79ce4adfb1442/.github/workflows/test.yml
+name: Test / cognee
+
+on:
+  schedule:
+    - cron: "0 0 * * *"
+  pull_request:
+    paths:
+      - "integrations/cognee/**"
+      - "!integrations/cognee/*.md"
+      - ".github/workflows/cognee.yml"
+
+defaults:
+  run:
+    working-directory: integrations/cognee
+
+concurrency:
+  group: cognee-${{ github.head_ref }}
+  cancel-in-progress: true
+
+env:
+  PYTHONUNBUFFERED: "1"
+  FORCE_COLOR: "1"
+
+jobs:
+  run:
+    name: Python ${{ matrix.python-version }} on ${{ startsWith(matrix.os, 'macos-') && 'macOS' || startsWith(matrix.os, 'windows-') && 'Windows' || 'Linux' }}
+    runs-on: ${{ matrix.os }}
+    strategy:
+      fail-fast: false
+      matrix:
+        os: [ubuntu-latest, windows-latest, macos-latest]
+        python-version: ["3.10", "3.13"]
+
+    steps:
+      - name: Support longpaths
+        if: matrix.os == 'windows-latest'
+        working-directory: .
+        run: git config --system core.longpaths true
+
+      - uses: actions/checkout@v6
+
+      - name: Set up Python ${{ matrix.python-version }}
+        uses: actions/setup-python@v6
+        with:
+          python-version: ${{ matrix.python-version }}
+
+      - name: Install Hatch
+        run: pip install --upgrade hatch
+      - name: Lint
+        if: matrix.python-version == '3.10' && runner.os == 'Linux'
+        run: hatch run fmt-check && hatch run test:types
+
+      - name: Run tests
+        run: hatch run test:cov-retry
+
+      - name: Run unit tests with lowest direct dependencies
+        run: |
+          hatch run uv pip compile pyproject.toml --resolution lowest-direct --output-file requirements_lowest_direct.txt
+          hatch -e test env run -- uv pip install -r requirements_lowest_direct.txt
+          hatch run test:unit
+
+      - name: Nightly - run tests with Haystack main branch
+        if: github.event_name == 'schedule'
+        run: |
+          hatch env prune
+          hatch -e test env run -- uv pip install git+https://github.com/deepset-ai/haystack.git@main
+          hatch run test:cov-retry
+
+
+  notify-slack-on-failure:
+    needs: run
+    if: failure() && github.event_name == 'schedule'
+    runs-on: ubuntu-slim
+    steps:
+      - uses: deepset-ai/notify-slack-action@v1
+        with:
+          slack-webhook-url: ${{ secrets.SLACK_WEBHOOK_URL_NOTIFICATIONS }}

README.md

@@ -34,6 +34,7 @@ Please check out our [Contribution Guidelines](CONTRIBUTING.md) for all the deta
 | [azure-ai-search-haystack](integrations/azure_ai_search/)               | Document Store              | [![PyPI - Version](https://img.shields.io/pypi/v/azure-ai-search-haystack.svg)](https://pypi.org/project/azure-ai-search-haystack)                       | [![Test / azure-ai-search](https://github.com/deepset-ai/haystack-core-integrations/actions/workflows/azure_ai_search.yml/badge.svg)](https://github.com/deepset-ai/haystack-core-integrations/actions/workflows/azure_ai_search.yml)                      |
 | [azure-doc-intelligence-haystack](integrations/azure_doc_intelligence/) | Converter                   | [![PyPI - Version](https://img.shields.io/pypi/v/azure-doc-intelligence-haystack.svg)](https://pypi.org/project/azure-doc-intelligence-haystack)         | [![Test / azure_doc_intelligence](https://github.com/deepset-ai/haystack-core-integrations/actions/workflows/azure_doc_intelligence.yml/badge.svg)](https://github.com/deepset-ai/haystack-core-integrations/actions/workflows/azure_doc_intelligence.yml) |
 | [chroma-haystack](integrations/chroma/)                                 | Document Store              | [![PyPI - Version](https://img.shields.io/pypi/v/chroma-haystack.svg)](https://pypi.org/project/chroma-haystack)                                         | [![Test / chroma](https://github.com/deepset-ai/haystack-core-integrations/actions/workflows/chroma.yml/badge.svg)](https://github.com/deepset-ai/haystack-core-integrations/actions/workflows/chroma.yml)                                                 |
+| [cognee-haystack](integrations/cognee/)                                 | Connector                   | [![PyPI - Version](https://img.shields.io/pypi/v/cognee-haystack.svg)](https://pypi.org/project/cognee-haystack)                                         | [![Test / cognee](https://github.com/deepset-ai/haystack-core-integrations/actions/workflows/cognee.yml/badge.svg)](https://github.com/deepset-ai/haystack-core-integrations/actions/workflows/cognee.yml)                                                 |
 | [cohere-haystack](integrations/cohere/)                                 | Embedder, Generator, Ranker | [![PyPI - Version](https://img.shields.io/pypi/v/cohere-haystack.svg)](https://pypi.org/project/cohere-haystack)                                         | [![Test / cohere](https://github.com/deepset-ai/haystack-core-integrations/actions/workflows/cohere.yml/badge.svg)](https://github.com/deepset-ai/haystack-core-integrations/actions/workflows/cohere.yml)                                                 |
 | [cometapi-haystack](integrations/cometapi/)                             | Generator | [![PyPI - Version](https://img.shields.io/pypi/v/cometapi-haystack.svg)](https://pypi.org/project/cometapi-haystack)                                     | [![Test / cometapi](https://github.com/deepset-ai/haystack-core-integrations/actions/workflows/cometapi.yml/badge.svg)](https://github.com/deepset-ai/haystack-core-integrations/actions/workflows/cometapi.yml)                                           |
 | [deepeval-haystack](integrations/deepeval/)                             | Evaluator                   | [![PyPI - Version](https://img.shields.io/pypi/v/deepeval-haystack.svg)](https://pypi.org/project/deepeval-haystack)                                     | [![Test / deepeval](https://github.com/deepset-ai/haystack-core-integrations/actions/workflows/deepeval.yml/badge.svg)](https://github.com/deepset-ai/haystack-core-integrations/actions/workflows/deepeval.yml)                                           |

integrations/cognee/.gitignore

@@ -0,0 +1,163 @@
+# 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
+*.sqlite3
+*.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.
+#   This is especially recommended for binary packages to ensure reproducibility, and is more
+#   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/
+
+# VS Code
+.vscode

integrations/cognee/CHANGELOG.md

@@ -0,0 +1,3 @@
+# Changelog
+
+<!-- All notable changes to this project will be documented in this file. -->