remove circular dependency on export plugin

.github/workflows/.tests-matrix.yaml

@@ -78,25 +78,41 @@ jobs:
     if: inputs.run-pytest-export
     steps:
       - uses: actions/checkout@0ad4b8fadaa221de15dcec353f45205ec38ea70b # v4.1.4
-
-      - uses: ./.github/actions/bootstrap-poetry
         with:
-          python-version: ${{ inputs.python-version }}
+          path: poetry
 
-      - uses: ./.github/actions/poetry-install
+      - uses: ./poetry/.github/actions/bootstrap-poetry
         with:
-          args: --with github-actions
+          python-version: ${{ inputs.python-version }}
 
-      - run: poetry run pip list --format json | jq -r '.[] | "\(.name)=\(.version)"' >> $GITHUB_OUTPUT
-        id: package-versions
+      - name: Get poetry-plugin-export version
+        run: |
+          PLUGIN_VERSION=$(curl -s https://pypi.org/pypi/poetry-plugin-export/json | jq -r ".info.version")
+          echo "Found version ${PLUGIN_VERSION}"
+          echo version=${PLUGIN_VERSION} >> $GITHUB_OUTPUT
+        id: poetry-plugin-export-version
 
-      - uses: actions/checkout@0ad4b8fadaa221de15dcec353f45205ec38ea70b # v4.1.4
+      - name: Check out poetry-plugin-export
+        uses: actions/checkout@0ad4b8fadaa221de15dcec353f45205ec38ea70b # v4.1.4
         with:
           path: poetry-plugin-export
           repository: python-poetry/poetry-plugin-export
-          ref: refs/tags/${{ steps.package-versions.outputs.poetry-plugin-export }}
+          ref: refs/tags/${{ steps.poetry-plugin-export-version.outputs.version }}
+
+      - name: Use local poetry
+        working-directory: poetry-plugin-export
+        run: poetry add --lock --group dev ../poetry
+
+      - name: Install
+        working-directory: poetry-plugin-export
+        run: poetry install
 
-      - run: poetry run -C .. pytest -v
-        working-directory: ./poetry-plugin-export
+      - name: Run tests
+        working-directory: poetry-plugin-export
+        run: poetry run pytest -v
 
-      - run: git -C poetry-plugin-export diff --exit-code --stat HEAD
+      - name: Check for clean working tree
+        working-directory: poetry-plugin-export
+        run: |
+          git checkout -- pyproject.toml poetry.lock
+          git diff --exit-code --stat HEAD

.pre-commit-hooks.yaml

@@ -14,15 +14,6 @@
   pass_filenames: false
   files: ^(.*/)?(poetry\.lock|pyproject\.toml)$
 
-- id: poetry-export
-  name: poetry-export
-  description: run poetry export to sync lock file with requirements.txt
-  entry: poetry export
-  language: python
-  pass_filenames: false
-  files: ^(.*/)?poetry\.lock$
-  args: ["-f", "requirements.txt", "-o", "requirements.txt"]
-
 - id: poetry-install
   name: poetry-install
   description: run poetry install to install dependencies from the lock file

docs/cli.md

@@ -771,22 +771,28 @@ The option `--next-phase` allows the increment of prerelease phase versions.
 
 ## export
 
+{{% warning %}}
+This command is provided by the [Export Poetry Plugin](https://github.com/python-poetry/poetry-plugin-export).
+The plugin is no longer installed by default with Poetry 2.0.
+
+See [Using plugins]({{< relref "plugins#using-plugins" >}}) for information on how to install a plugin.
+As described in [Project plugins]({{< relref "plugins#project-plugins" >}}),
+you can also define in your `pyproject.toml` that the plugin is required for the development of your project:
+
+```toml
+[tool.poetry.requires-plugins]
+poetry-plugin-export = ">1.8"
+```
+{{% /warning %}}
+
 This command exports the lock file to other formats.
 
 ```bash
 poetry export -f requirements.txt --output requirements.txt
 ```
 
-{{% warning %}}
-This command is provided by the [Export Poetry Plugin](https://github.com/python-poetry/poetry-plugin-export).
-In a future version of Poetry this plugin will not be installed by default anymore.
-In order to avoid a breaking change and make your automation forward-compatible,
-please install poetry-plugin-export explicitly.
-See [Using plugins]({{< relref "plugins#using-plugins" >}}) for details on how to install a plugin.
-{{% /warning %}}
-
 {{% note %}}
-This command is also available as a pre-commit hook.
+The `export` command is also available as a pre-commit hook.
 See [pre-commit hooks]({{< relref "pre-commit-hooks#poetry-export" >}}) for more information.
 {{% /note %}}
 

pyproject.toml

@@ -32,7 +32,6 @@ Changelog = "https://python-poetry.org/history/"
 python = "^3.8"
 
 poetry-core = { git = "https://github.com/python-poetry/poetry-core.git", branch = "main" }
-poetry-plugin-export = "^1.8.0"
 build = "^1.2.1"
 cachecontrol = { version = "^0.14.0", extras = ["filecache"] }
 cleo = "^2.1.0"

src/poetry/config/config.py

@@ -134,9 +134,6 @@ class Config:
         "solver": {
             "lazy-wheel": True,
         },
-        "warnings": {
-            "export": True,
-        },
         "keyring": {
             "enabled": True,
         },
@@ -305,7 +302,6 @@ def _get_normalizer(name: str) -> Callable[[str], Any]:
             "experimental.system-git-client",
             "installer.parallel",
             "solver.lazy-wheel",
-            "warnings.export",
             "keyring.enabled",
         }:
             return boolean_normalizer

src/poetry/console/application.py

@@ -340,12 +340,6 @@ def _load_plugins(self, io: IO | None = None) -> None:
             manager.load_plugins()
             manager.activate(self)
 
-            # We have to override the command from poetry-plugin-export
-            # with the wrapper.
-            if self.command_loader.has("export"):
-                del self.command_loader._factories["export"]
-            self.command_loader._factories["export"] = load_command("export")
-
         self._plugins_loaded = True
 
     @property

src/poetry/console/commands/config.py

@@ -82,7 +82,6 @@ def unique_config_values(self) -> dict[str, tuple[Any, Any]]:
                 PackageFilterPolicy.normalize,
             ),
             "solver.lazy-wheel": (boolean_validator, boolean_normalizer),
-            "warnings.export": (boolean_validator, boolean_normalizer),
             "keyring.enabled": (boolean_validator, boolean_normalizer),
         }
 

tests/console/commands/test_config.py

@@ -70,7 +70,6 @@ def test_list_displays_default_value_if_not_set(
 virtualenvs.path = {venv_path}  # {config_cache_dir / 'virtualenvs'}
 virtualenvs.prefer-active-python = false
 virtualenvs.prompt = "{{project_name}}-py{{python_version}}"
-warnings.export = true
 """
 
     assert tester.io.fetch_output() == expected
@@ -102,7 +101,6 @@ def test_list_displays_set_get_setting(
 virtualenvs.path = {venv_path}  # {config_cache_dir / 'virtualenvs'}
 virtualenvs.prefer-active-python = false
 virtualenvs.prompt = "{{project_name}}-py{{python_version}}"
-warnings.export = true
 """
 
     assert config.set_config_source.call_count == 0  # type: ignore[attr-defined]
@@ -155,7 +153,6 @@ def test_unset_setting(
 virtualenvs.path = {venv_path}  # {config_cache_dir / 'virtualenvs'}
 virtualenvs.prefer-active-python = false
 virtualenvs.prompt = "{{project_name}}-py{{python_version}}"
-warnings.export = true
 """
     assert config.set_config_source.call_count == 0  # type: ignore[attr-defined]
     assert tester.io.fetch_output() == expected
@@ -186,7 +183,6 @@ def test_unset_repo_setting(
 virtualenvs.path = {venv_path}  # {config_cache_dir / 'virtualenvs'}
 virtualenvs.prefer-active-python = false
 virtualenvs.prompt = "{{project_name}}-py{{python_version}}"
-warnings.export = true
 """
     assert config.set_config_source.call_count == 0  # type: ignore[attr-defined]
     assert tester.io.fetch_output() == expected
@@ -315,7 +311,6 @@ def test_list_displays_set_get_local_setting(
 virtualenvs.path = {venv_path}  # {config_cache_dir / 'virtualenvs'}
 virtualenvs.prefer-active-python = false
 virtualenvs.prompt = "{{project_name}}-py{{python_version}}"
-warnings.export = true
 """
 
     assert config.set_config_source.call_count == 1  # type: ignore[attr-defined]
@@ -355,7 +350,6 @@ def test_list_must_not_display_sources_from_pyproject_toml(
 virtualenvs.path = {venv_path}  # {config_cache_dir / 'virtualenvs'}
 virtualenvs.prefer-active-python = false
 virtualenvs.prompt = "{{project_name}}-py{{python_version}}"
-warnings.export = true
 """
 
     assert tester.io.fetch_output() == expected