Migrate to poetry

.github/workflows/build.yml

@@ -96,53 +96,62 @@ jobs:
     - uses: actions/checkout@v3
 
     - name: Set up Python
-      uses: actions/setup-python@v4
+      uses: actions/setup-python@v5
       with:
         python-version: ${{ matrix.python-version }}
         architecture: x64
 
-    - name: Show system
-      run: |
-        python --version
-        uname -a
-        lsb_release -a
+    - name: Install Poetry
+      uses: snok/install-poetry@v1
+      with:
+        # Use 1.5.1 for Python 3.7, otherwise use latest.
+        version: ${{ matrix.python-version == '3.7' && '1.5.1' || 'latest' }}
+        virtualenvs-create: true
+        virtualenvs-in-project: true
+
+    - name: Load cached venv
+      id: cached-poetry-dependencies
+      uses: actions/cache@v3
+      with:
+        path: .venv
+        key: venv-${{ runner.os }}-${{ matrix.python-version }}-${{ matrix.celery }}-${{ hashFiles('**/poetry.lock') }}
 
     - name: Install dependencies
+      if: steps.cached-poetry-dependencies.outputs.cache-hit != 'true'
       run: |
-        python -m pip install --upgrade pip
-        pip install -r requirements.txt
-        pip install -r requirements_test.txt
-        pip install "celery${{ matrix.celery }}"
-        pip install pytest-github-actions-annotate-failures
+        poetry add "celery${{ matrix.celery }}"
+        poetry install --no-interaction --no-root --with=ci --with=dev
+
+    - name: Install project
+      run: poetry install --no-interaction
 
     - name: Check with black
-      run: black --check .
+      run: poetry run black --check .
 
     - name: Check with mypy
       if: ${{ !startsWith(matrix.python-version, 'pypy') }}
-      run: mypy
+      run: poetry run mypy
 
     - name: Lint with flake8
       run: |
-        pip install flake8
         # stop the build if there are Python syntax errors or undefined names
-        flake8 . --count --select=E9,F63,F7,F82 --show-source --statistics --exclude .github
+        poetry run flake8 . --count --select=E9,F63,F7,F82 --show-source --statistics --exclude .github --exclude .venv
         # exit-zero treats all errors as warnings. The GitHub editor is 127 chars wide
-        flake8 . --count --exit-zero --max-complexity=10 --max-line-length=127 --statistics --exclude .github
+        poetry run flake8 . --count --exit-zero --max-complexity=10 --max-line-length=127 --statistics --exclude .github --exclude .venv
 
     - name: Test with pytest
       run: |
-        coverage run -m pytest -v -s tests
-        coverage report
+        poetry run coverage run -m pytest -v -s tests
+        poetry run coverage report
 
     - name: Code Climate Coverage Action
-      uses: paambaati/codeclimate-action@v3.2.0
+      uses: paambaati/codeclimate-action@v5.0.0
       env:
         # According to CodeClimate documentation, this is not considered a sensitive value.
         # https://docs.codeclimate.com/docs/finding-your-test-coverage-token#regenerating-a-repos-test-reporter-id
         CC_TEST_REPORTER_ID: 4967416d540739937e0eebfb13a3cf2f8dfbddd762f2b1ec800e83d18fb5efbb
       with:
-        coverageCommand: coverage xml
+        coverageCommand: poetry run coverage xml
         debug: true
 
     - name: Prepare badges

pyproject.toml

@@ -0,0 +1,65 @@
+[tool.poetry]
+name = "celery-pubsub"
+version = "2.0.0-beta4"
+description = "A Publish and Subscribe library for Celery"
+authors = ["Samuel Giffard <[email protected]>"]
+license = "MIT"
+readme = "README.md"
+homepage = "https://github.com/Mulugruntz/celery-pubsub"
+repository = "https://github.com/Mulugruntz/celery-pubsub"
+keywords = ["celery", "publish", "subscribe", "pubsub"]
+classifiers = [
+        "Development Status :: 5 - Production/Stable",
+        "Intended Audience :: Developers",
+        "License :: OSI Approved :: MIT License",
+        "Programming Language :: Python :: 3.7",
+        "Programming Language :: Python :: 3.8",
+        "Programming Language :: Python :: 3.9",
+        "Programming Language :: Python :: 3.10",
+        "Programming Language :: Python :: 3.11",
+        "Programming Language :: Python :: 3.12",
+        "Programming Language :: Python :: Implementation :: CPython",
+        "Programming Language :: Python :: Implementation :: PyPy",
+        "Topic :: Software Development :: Libraries",
+        "Topic :: System :: Distributed Computing",
+        "Topic :: Utilities",
+    ]
+packages = [
+    {include = "celery_pubsub"},
+]
+include = [
+    { path = "LICENSE", format = "sdist" },
+]
+
+[tool.poetry.urls]
+"Download" = "https://github.com/Mulugruntz/celery-pubsub/tarball/2.0.0-beta4"
+
+[tool.poetry.dependencies]
+python = ">=3.7,<3.13"
+celery = {version = ">=4.0,<6.0"}
+# In python 3.12, we have to use kombu 5.3.5 or higher.
+# This is not ideal, as it's celery's own dependency.
+# https://github.com/celery/kombu/pull/1509
+kombu = [
+        {version = ">=4.0,<6.0", python = ">=3.7,<3.12"},
+        {version = "^5.3.0", python = ">=3.12"}
+]
+
+[tool.poetry.group.dev.dependencies]
+pytest = "^7.4.3"
+coverage = "5.5"
+black = "23.3.0"
+flake8 = ">=5.0.0"
+typing-extensions = "4.7.1"
+# Only for CPython (exclude pypy).
+celery-types = {version = "0.14.0", markers = "implementation_name != 'pypy'"}
+mypy = {version = "1.0.0", markers = "implementation_name != 'pypy'"}
+types-setuptools = {version = "67.6.0.6", markers = "implementation_name != 'pypy'"}
+
+
+[tool.poetry.group.ci.dependencies]
+pytest-github-actions-annotate-failures = "^0.2.0"
+
+[build-system]
+requires = ["poetry-core"]
+build-backend = "poetry.core.masonry.api"

tests/conftest.py

@@ -19,7 +19,7 @@
 import pytest
 
 import celery
-from celery import Task
+from celery.app.task import Task
 
 from celery_pubsub import subscribe, subscribe_to
 from packaging.version import parse, Version