chore: Migrate to uv

.github/workflows/ci_workflow.yml

@@ -6,7 +6,7 @@ on:
     paths:
     - docker-compose.yml
     - pyproject.toml
-    - poetry.lock
+    - uv.lock
     - target_postgres/**
     - .github/workflows/ci_workflow.yml
     - .github/workflows/constraints.txt
@@ -15,7 +15,7 @@ on:
     paths:
     - docker-compose.yml
     - pyproject.toml
-    - poetry.lock
+    - uv.lock
     - target_postgres/**
     - .github/workflows/ci_workflow.yml
     - .github/workflows/constraints.txt
@@ -82,12 +82,15 @@ jobs:
       uses: actions/setup-python@a26af69be951a213d495a4c3e4e4022e16d87065 # v5.6.0
       with:
         python-version: '${{ matrix.python-version }}'
-    - name: Install Tox
+    - name: Set up uv
+      uses: astral-sh/setup-uv@v6
+      with:
+        version: ">=0.7"
+    - name: Install tools
       env:
-        PIP_CONSTRAINT: ${{ github.workspace }}/.github/workflows/constraints.txt
+        UV_CONSTRAINT: ${{ github.workspace }}/.github/workflows/constraints.txt
       run: |
-        python -m pip install --upgrade pip
-        pipx install tox
+        uv tool install --with tox-uv tox
     - name: Run pytest
       env:
         TARGET_POSTGRES_USE_COPY: ${{ matrix.use-copy }}
@@ -122,12 +125,13 @@ jobs:
       uses: actions/setup-python@a26af69be951a213d495a4c3e4e4022e16d87065 # v5.6.0
       with:
         python-version: 3.x
-    - name: Install dependencies
-      env:
-        PIP_CONSTRAINT: ${{ github.workspace }}/.github/workflows/constraints.txt
+    - name: Set up uv
+      uses: astral-sh/setup-uv@v6
+      with:
+        version: ">=0.7"
+    - name: Install Meltano
       run: |
-        python -m pip install --upgrade pip
-        pipx install meltano
+        uv tool install meltano
         meltano --version
     - name: smoke-test-tap
       env:

.github/workflows/constraints.txt

@@ -1,2 +1,3 @@
 meltano==3.7.4
 tox==4.25.0
+tox-uv==1.25.0

README.md

@@ -150,10 +150,13 @@ tap-carbon-intensity | target-postgres --config /path/to/target-postgres-config.
 
 ### Initialize your Development Environment
 
+Prerequisites:
+
+- Python 3.9+
+- [uv](https://docs.astral.sh/uv/)
+
 ```bash
-pipx install poetry
-poetry install
-pipx install pre-commit
+uv tool install pre-commit
 pre-commit install
 ```
 
@@ -197,13 +200,13 @@ Create tests within the `target_postgres/tests` subfolder and
   then run:
 
 ```bash
-poetry run pytest
+uv run pytest
 ```
 
-You can also test the `target-postgres` CLI interface directly using `poetry run`:
+You can also test the `target-postgres` CLI interface directly using `uv run`:
 
 ```bash
-poetry run target-postgres --help
+uv run target-postgres --help
 ```
 
 ### Testing with [Meltano](https://meltano.com/)

pyproject.toml

@@ -1,14 +1,12 @@
-[tool.poetry]
+[project]
 name = "meltanolabs-target-postgres"
-version = "0.0.0"
+dynamic = ["version"]
 description = "Singer target for Postgres, built with the Meltano SDK for Singer Targets."
-authors = ["Meltano Team and Contributors <hello@meltano.com>"]
-maintainers = ["Meltano Team and Contributors <hello@meltano.com>"]
-license = "MIT"
+authors = [{ name = "Meltano Team and Contributors", email = "hello@meltano.com" }]
+requires-python = ">=3.9"
 readme = "README.md"
-homepage = "https://meltano.com"
-repository = "https://github.com/MeltanoLabs/target-postgres"
-documentation = "https://github.com/MeltanoLabs/target-postgres/blob/main/README.md"
+license = "MIT"
+maintainers = [{ name = "Meltano Team and Contributors", email = "hello@meltano.com" }]
 keywords = [
     "Postgres",
     "Singer",
@@ -27,34 +25,53 @@ classifiers = [
     "Programming Language :: Python :: 3.13",
     "Programming Language :: Python :: Implementation :: CPython",
 ]
-packages = [
-    { include = "target_postgres" }
+dependencies = [
+    "psycopg[binary]==3.2.7",
+    "psycopg2-binary==2.9.10",
+    "sqlalchemy~=2.0",
+    "sshtunnel==0.4.0",
+    "singer-sdk~=0.45.3",
 ]
 
-[tool.poetry.dependencies]
-python = ">=3.9"
-faker = {version = "~=37.1", optional = true}
-psycopg = {extras = ["binary"], version = "3.2.7"}
-psycopg2-binary = "2.9.10"
-sqlalchemy = "~=2.0"
-sshtunnel = "0.4.0"
+[project.optional-dependencies]
+faker = ["faker~=37.1"]
 
-[tool.poetry.dependencies.singer-sdk]
-version = "~=0.45.3"
+[project.urls]
+Homepage = "https://meltano.com"
+Repository = "https://github.com/MeltanoLabs/target-postgres"
+Documentation = "https://github.com/MeltanoLabs/target-postgres/blob/main/README.md"
 
-[tool.poetry.extras]
-faker = ["faker"]
+[project.scripts]
+target-postgres = "target_postgres.target:TargetPostgres.cli"
+
+[dependency-groups]
+dev = [
+    { include-group = "testing" },
+    { include-group = "typing" },
+    "remote-pdb>=2.1.0",
+]
+lint = [
+    "ruff>=0.1.14",
+]
+testing = [
+    "pytest>=7.4.2",
+]
+typing = [
+    "mypy>=1.6.1",
+    "types-paramiko>=3.3.0.0",
+    "types-simplejson>=3.19.0.2",
+    "types-sqlalchemy>=1.4.53.38",
+    "types-jsonschema>=4.19.0.3",
+]
 
-[tool.poetry.group.dev.dependencies]
-pytest = ">=7.4.2"
-mypy = ">=1.6.1"
-remote-pdb = ">=2.1.0"
-ruff = ">=0.1.14"
-tox = ">=4"
-types-paramiko = ">=3.3.0.0"
-types-simplejson = ">=3.19.0.2"
-types-sqlalchemy = ">=1.4.53.38"
-types-jsonschema = ">=4.19.0.3"
+[tool.hatch.version]
+source = "vcs"
+
+[tool.hatch.build.targets.sdist]
+include = ["target_postgres"]
+
+[tool.hatch.build.targets.wheel]
+include = ["target_postgres"]
 
 [tool.mypy]
 exclude = "tests"
@@ -67,26 +84,17 @@ module = ["sshtunnel"]
 ignore_missing_imports = true
 
 [build-system]
-requires = ["poetry-core==2.1.1", "poetry-dynamic-versioning==1.7.1"]
-build-backend = "poetry_dynamic_versioning.backend"
-
-[tool.poetry.scripts]
-# CLI declaration
-target-postgres = 'target_postgres.target:TargetPostgres.cli'
+requires = [
+    "hatchling==1.27.0",
+    "hatch-vcs==0.4.0",
+]
+build-backend = "hatchling.build"
 
 [tool.pytest.ini_options]
 pythonpath = [
   "."
 ]
 
-[tool.poetry-dynamic-versioning]
-enable = true
-vcs = "git"
-style = "semver"
-
-[tool.ruff]
-target-version = "py39"
-
 [tool.ruff.lint]
 select = [
   "F",    # Pyflakes

target_postgres/tests/samples/aapl/README.md

@@ -5,12 +5,12 @@ This tap sample helps in evaluating the performance of catalog parsing and strea
 ## Execution
 
 ```shell
-poetry run python samples/aapl
+uv run python samples/aapl
 ```
 
 Or if you want to trace the execution
 
 ```shell
-poetry run viztracer samples/aapl/__main__.py
-poetry run vizviewer result.json
+uv run viztracer samples/aapl/__main__.py
+uv run vizviewer result.json
 ```

target_postgres/tests/samples/aapl/__main__.py

@@ -2,7 +2,7 @@
 
 Run:
 
-$ poetry run python samples/aapl
+$ uv run python samples/aapl
 """
 
 from aapl import Fundamentals

tox.ini

@@ -7,37 +7,34 @@ envlist =
     lint
 isolated_build = true
 min_version = 4
+requires =
+    tox>=4.22
+    tox-uv
 
 [testenv]
-# Run the python tests.
-# To execute, run `tox -e 3.13`
-envlist = 3.{9,10,11,12,13}
+runner = uv-venv-lock-runner
 pass_env =
     TARGET_POSTGRES_*
-deps =
-    pytest
+dependency_groups =
+    testing
 commands =
     pytest
 
 [testenv:format]
 # Attempt to auto-resolve lint errors before they are raised.
 # To execute, run `tox -e format`
-deps =
-    ruff
+dependency_groups =
+    lint
 commands =
     ruff check target_postgres/
     ruff format target_postgres/
 
 [testenv:lint]
 # Raise an error if lint and style standards are not met.
 # To execute, run `tox -e lint`
-deps =
-    mypy
-    ruff
-    types-paramiko
-    types-simplejson
-    types-sqlalchemy
-    types-jsonschema
+dependency_groups =
+    lint
+    typing
 commands =
     ruff check --diff target_postgres/
     ruff format --check target_postgres/