fix tox environments

.pytest.ini

@@ -3,4 +3,5 @@ addopts = --cov=ahriman --cov-report=term-missing:skip-covered --no-cov-on-fail
 asyncio_default_fixture_loop_scope = function
 asyncio_mode = auto
 pythonpath = tests
+resource-path.directory-name-test-resources = ../../tests/testresources
 spec_test_format = {result} {docstring_summary}

ahriman-core/tests/conftest.py

@@ -1,10 +1,162 @@
-from pathlib import Path
-
+import datetime
 import pytest
 
-from fixtures import *  # pylint: disable=wildcard-import,unused-wildcard-import
+from unittest.mock import MagicMock, PropertyMock
+
+from ahriman.core.alpm.pacman import Pacman
+from ahriman.core.alpm.remote import AUR
+from ahriman.core.configuration import Configuration
+from ahriman.models.aur_package import AURPackage
+from ahriman.models.package import Package
+from ahriman.models.package_description import PackageDescription
+from ahriman.models.package_source import PackageSource
+from ahriman.models.pacman_synchronization import PacmanSynchronization
+from ahriman.models.remote_source import RemoteSource
+from ahriman.models.scan_paths import ScanPaths
 
 
 @pytest.fixture
-def resource_path_root() -> Path:
-    return Path(__file__).resolve().parents[2] / "tests" / "testresources"
+def aur_package_akonadi() -> AURPackage:
+    """
+    fixture for AUR package
+
+    Returns:
+        AURPackage: AUR package test instance
+    """
+    return AURPackage(
+        id=0,
+        name="akonadi",
+        package_base_id=0,
+        package_base="akonadi",
+        version="21.12.3-2",
+        description="PIM layer, which provides an asynchronous API to access all kind of PIM data",
+        num_votes=0,
+        popularity=0.0,
+        first_submitted=datetime.datetime.fromtimestamp(0, datetime.UTC),
+        last_modified=datetime.datetime.fromtimestamp(1646555990.610, datetime.UTC),
+        url_path="",
+        url="https://kontact.kde.org",
+        out_of_date=None,
+        maintainer="felixonmars",
+        repository="extra",
+        depends=[
+            "libakonadi",
+            "mariadb",
+        ],
+        make_depends=[
+            "boost",
+            "doxygen",
+            "extra-cmake-modules",
+            "kaccounts-integration",
+            "kitemmodels",
+            "postgresql",
+            "qt5-tools",
+        ],
+        opt_depends=[
+            "postgresql: PostgreSQL backend",
+        ],
+        conflicts=[],
+        provides=[],
+        license=["LGPL"],
+        keywords=[],
+        groups=[],
+    )
+
+
+@pytest.fixture
+def package_tpacpi_bat_git() -> Package:
+    """
+    git package fixture
+
+    Returns:
+        Package: git package test instance
+    """
+    return Package(
+        base="tpacpi-bat-git",
+        version="3.1.r12.g4959b52-1",
+        remote=RemoteSource(
+            source=PackageSource.AUR,
+            git_url=AUR.remote_git_url("tpacpi-bat-git", "aur"),
+            web_url=AUR.remote_web_url("tpacpi-bat-git"),
+            path=".",
+            branch="master",
+        ),
+        packages={"tpacpi-bat-git": PackageDescription()})
+
+
+@pytest.fixture
+def pacman(configuration: Configuration) -> Pacman:
+    """
+    fixture for pacman wrapper
+
+    Args:
+        configuration(Configuration): configuration fixture
+
+    Returns:
+        Pacman: pacman wrapper test instance
+    """
+    _, repository_id = configuration.check_loaded()
+    return Pacman(repository_id, configuration, refresh_database=PacmanSynchronization.Disabled)
+
+
+@pytest.fixture
+def passwd() -> MagicMock:
+    """
+    get passwd structure for the user
+
+    Returns:
+        MagicMock: passwd structure test instance
+    """
+    passwd = MagicMock()
+    passwd.pw_dir = "home"
+    passwd.pw_name = "ahriman"
+    return passwd
+
+
+@pytest.fixture
+def pyalpm_package_ahriman(aur_package_ahriman: AURPackage) -> MagicMock:
+    """
+    mock object for pyalpm package
+
+    Args:
+        aur_package_ahriman(AURPackage): package fixture
+
+    Returns:
+        MagicMock: pyalpm package mock
+    """
+    mock = MagicMock()
+    db = type(mock).db = MagicMock()
+
+    type(mock).base = PropertyMock(return_value=aur_package_ahriman.package_base)
+    type(mock).builddate = PropertyMock(
+        return_value=aur_package_ahriman.last_modified.replace(tzinfo=datetime.timezone.utc).timestamp())
+    type(mock).conflicts = PropertyMock(return_value=aur_package_ahriman.conflicts)
+    type(db).name = PropertyMock(return_value="aur")
+    type(mock).depends = PropertyMock(return_value=aur_package_ahriman.depends)
+    type(mock).desc = PropertyMock(return_value=aur_package_ahriman.description)
+    type(mock).licenses = PropertyMock(return_value=aur_package_ahriman.license)
+    type(mock).makedepends = PropertyMock(return_value=aur_package_ahriman.make_depends)
+    type(mock).name = PropertyMock(return_value=aur_package_ahriman.name)
+    type(mock).optdepends = PropertyMock(return_value=aur_package_ahriman.opt_depends)
+    type(mock).checkdepends = PropertyMock(return_value=aur_package_ahriman.check_depends)
+    type(mock).packager = PropertyMock(return_value="packager")
+    type(mock).provides = PropertyMock(return_value=aur_package_ahriman.provides)
+    type(mock).version = PropertyMock(return_value=aur_package_ahriman.version)
+    type(mock).url = PropertyMock(return_value=aur_package_ahriman.url)
+    type(mock).groups = PropertyMock(return_value=aur_package_ahriman.groups)
+
+    return mock
+
+
+@pytest.fixture
+def scan_paths(configuration: Configuration) -> ScanPaths:
+    """
+    scan paths fixture
+
+    Args:
+        configuration(Configuration): configuration test instance
+
+    Returns:
+        ScanPaths: scan paths test instance
+    """
+    return ScanPaths(configuration.getlist("build", "scan_paths", fallback=[]))

ahriman-triggers/tests/conftest.py

@@ -1,10 +0,0 @@
-from pathlib import Path
-
-import pytest
-
-from fixtures import *  # pylint: disable=wildcard-import,unused-wildcard-import
-
-
-@pytest.fixture
-def resource_path_root() -> Path:
-    return Path(__file__).resolve().parents[2] / "tests" / "testresources"

ahriman-web/tests/conftest.py

@@ -1,10 +1,18 @@
-from pathlib import Path
-
 import pytest
 
-from fixtures import *  # pylint: disable=wildcard-import,unused-wildcard-import
+from ahriman.core.auth import Auth
+from ahriman.core.configuration import Configuration
 
 
 @pytest.fixture
-def resource_path_root() -> Path:
-    return Path(__file__).resolve().parents[2] / "tests" / "testresources"
+def auth(configuration: Configuration) -> Auth:
+    """
+    auth provider fixture
+
+    Args:
+        configuration(Configuration): configuration fixture
+
+    Returns:
+        Auth: auth service instance
+    """
+    return Auth(configuration)

conftest.py

@@ -7,12 +7,10 @@ from pathlib import Path
 from pytest_mock import MockerFixture
 from sqlite3 import Cursor
 from typing import Any, TypeVar
-from unittest.mock import MagicMock, PropertyMock
+from unittest.mock import MagicMock
 
 from ahriman.application.ahriman import _parser
-from ahriman.core.alpm.pacman import Pacman
 from ahriman.core.alpm.remote import AUR
-from ahriman.core.auth import Auth
 from ahriman.core.configuration import Configuration
 from ahriman.core.database import SQLite
 from ahriman.core.database.migrations import Migrations
@@ -30,12 +28,10 @@ from ahriman.models.migration import Migration
 from ahriman.models.package import Package
 from ahriman.models.package_description import PackageDescription
 from ahriman.models.package_source import PackageSource
-from ahriman.models.pacman_synchronization import PacmanSynchronization
 from ahriman.models.remote_source import RemoteSource
 from ahriman.models.repository_id import RepositoryId
 from ahriman.models.repository_paths import RepositoryPaths
 from ahriman.models.result import Result
-from ahriman.models.scan_paths import ScanPaths
 from ahriman.models.user import User
 from ahriman.models.user_access import UserAccess
 
@@ -243,68 +239,6 @@ def aur_package_ahriman() -> AURPackage:
     )
 
 
-@pytest.fixture
-def aur_package_akonadi() -> AURPackage:
-    """
-    fixture for AUR package
-
-    Returns:
-        AURPackage: AUR package test instance
-    """
-    return AURPackage(
-        id=0,
-        name="akonadi",
-        package_base_id=0,
-        package_base="akonadi",
-        version="21.12.3-2",
-        description="PIM layer, which provides an asynchronous API to access all kind of PIM data",
-        num_votes=0,
-        popularity=0.0,
-        first_submitted=datetime.datetime.fromtimestamp(0, datetime.UTC),
-        last_modified=datetime.datetime.fromtimestamp(1646555990.610, datetime.UTC),
-        url_path="",
-        url="https://kontact.kde.org",
-        out_of_date=None,
-        maintainer="felixonmars",
-        repository="extra",
-        depends=[
-            "libakonadi",
-            "mariadb",
-        ],
-        make_depends=[
-            "boost",
-            "doxygen",
-            "extra-cmake-modules",
-            "kaccounts-integration",
-            "kitemmodels",
-            "postgresql",
-            "qt5-tools",
-        ],
-        opt_depends=[
-            "postgresql: PostgreSQL backend",
-        ],
-        conflicts=[],
-        provides=[],
-        license=["LGPL"],
-        keywords=[],
-        groups=[],
-    )
-
-
-@pytest.fixture
-def auth(configuration: Configuration) -> Auth:
-    """
-    auth provider fixture
-
-    Args:
-        configuration(Configuration): configuration fixture
-
-    Returns:
-        Auth: auth service instance
-    """
-    return Auth(configuration)
-
-
 @pytest.fixture
 def configuration(repository_id: RepositoryId, tmp_path: Path, resource_path_root: Path) -> Configuration:
     """
@@ -453,27 +387,6 @@ def package_python_schedule(
         packages=packages)
 
 
-@pytest.fixture
-def package_tpacpi_bat_git() -> Package:
-    """
-    git package fixture
-
-    Returns:
-        Package: git package test instance
-    """
-    return Package(
-        base="tpacpi-bat-git",
-        version="3.1.r12.g4959b52-1",
-        remote=RemoteSource(
-            source=PackageSource.AUR,
-            git_url=AUR.remote_git_url("tpacpi-bat-git", "aur"),
-            web_url=AUR.remote_web_url("tpacpi-bat-git"),
-            path=".",
-            branch="master",
-        ),
-        packages={"tpacpi-bat-git": PackageDescription()})
-
-
 @pytest.fixture
 def package_description_ahriman() -> PackageDescription:
     """
@@ -575,70 +488,6 @@ def package_description_python2_schedule() -> PackageDescription:
     )
 
 
-@pytest.fixture
-def pacman(configuration: Configuration) -> Pacman:
-    """
-    fixture for pacman wrapper
-
-    Args:
-        configuration(Configuration): configuration fixture
-
-    Returns:
-        Pacman: pacman wrapper test instance
-    """
-    _, repository_id = configuration.check_loaded()
-    return Pacman(repository_id, configuration, refresh_database=PacmanSynchronization.Disabled)
-
-
-@pytest.fixture
-def passwd() -> MagicMock:
-    """
-    get passwd structure for the user
-
-    Returns:
-        MagicMock: passwd structure test instance
-    """
-    passwd = MagicMock()
-    passwd.pw_dir = "home"
-    passwd.pw_name = "ahriman"
-    return passwd
-
-
-@pytest.fixture
-def pyalpm_package_ahriman(aur_package_ahriman: AURPackage) -> MagicMock:
-    """
-    mock object for pyalpm package
-
-    Args:
-        aur_package_ahriman(AURPackage): package fixture
-
-    Returns:
-        MagicMock: pyalpm package mock
-    """
-    mock = MagicMock()
-    db = type(mock).db = MagicMock()
-
-    type(mock).base = PropertyMock(return_value=aur_package_ahriman.package_base)
-    type(mock).builddate = PropertyMock(
-        return_value=aur_package_ahriman.last_modified.replace(tzinfo=datetime.timezone.utc).timestamp())
-    type(mock).conflicts = PropertyMock(return_value=aur_package_ahriman.conflicts)
-    type(db).name = PropertyMock(return_value="aur")
-    type(mock).depends = PropertyMock(return_value=aur_package_ahriman.depends)
-    type(mock).desc = PropertyMock(return_value=aur_package_ahriman.description)
-    type(mock).licenses = PropertyMock(return_value=aur_package_ahriman.license)
-    type(mock).makedepends = PropertyMock(return_value=aur_package_ahriman.make_depends)
-    type(mock).name = PropertyMock(return_value=aur_package_ahriman.name)
-    type(mock).optdepends = PropertyMock(return_value=aur_package_ahriman.opt_depends)
-    type(mock).checkdepends = PropertyMock(return_value=aur_package_ahriman.check_depends)
-    type(mock).packager = PropertyMock(return_value="packager")
-    type(mock).provides = PropertyMock(return_value=aur_package_ahriman.provides)
-    type(mock).version = PropertyMock(return_value=aur_package_ahriman.version)
-    type(mock).url = PropertyMock(return_value=aur_package_ahriman.url)
-    type(mock).groups = PropertyMock(return_value=aur_package_ahriman.groups)
-
-    return mock
-
-
 @pytest.fixture
 def remote_source() -> RemoteSource:
     """
@@ -715,20 +564,6 @@ def result(package_ahriman: Package) -> Result:
     return result
 
 
-@pytest.fixture
-def scan_paths(configuration: Configuration) -> ScanPaths:
-    """
-    scan paths fixture
-
-    Args:
-        configuration(Configuration): configuration test instance
-
-    Returns:
-        ScanPaths: scan paths test instance
-    """
-    return ScanPaths(configuration.getlist("build", "scan_paths", fallback=[]))
-
-
 @pytest.fixture
 def spawner(configuration: Configuration) -> Spawn:
     """

docker/Dockerfile

@@ -68,8 +68,8 @@ COPY --chown=build . "/home/build/ahriman"
 ## create package archive and install it
 RUN cd "/home/build/ahriman" && \
     tox -e archive && \
-    cp ./dist/*.tar.gz "package/archlinux" && \
-    cd "package/archlinux" && \
+    cp ./dist/*.tar.gz "archlinux" && \
+    cd "archlinux" && \
     runuser -u build -- makepkg --noconfirm --skipchecksums && \
     cd / && rm -r "/home/build/ahriman"
 

docs/ahriman.application.handlers.rst

@@ -1,6 +1,15 @@
 ahriman.application.handlers package
 ====================================
 
+Subpackages
+-----------
+
+.. toctree::
+   :maxdepth: 4
+
+   ahriman.application.handlers.triggers_support
+   ahriman.application.handlers.web
+
 Submodules
 ----------
 
@@ -268,14 +277,6 @@ ahriman.application.handlers.triggers module
    :no-undoc-members:
    :show-inheritance:
 
-ahriman.application.handlers.triggers\_support module
------------------------------------------------------
-
-.. automodule:: ahriman.application.handlers.triggers_support
-   :members:
-   :no-undoc-members:
-   :show-inheritance:
-
 ahriman.application.handlers.unsafe\_commands module
 ----------------------------------------------------
 
@@ -316,14 +317,6 @@ ahriman.application.handlers.versions module
    :no-undoc-members:
    :show-inheritance:
 
-ahriman.application.handlers.web module
----------------------------------------
-
-.. automodule:: ahriman.application.handlers.web
-   :members:
-   :no-undoc-members:
-   :show-inheritance:
-
 Module contents
 ---------------
 

docs/ahriman.application.handlers.triggers_support.rst

@@ -0,0 +1,21 @@
+ahriman.application.handlers.triggers\_support package
+======================================================
+
+Submodules
+----------
+
+ahriman.application.handlers.triggers\_support.triggers\_support module
+-----------------------------------------------------------------------
+
+.. automodule:: ahriman.application.handlers.triggers_support.triggers_support
+   :members:
+   :no-undoc-members:
+   :show-inheritance:
+
+Module contents
+---------------
+
+.. automodule:: ahriman.application.handlers.triggers_support
+   :members:
+   :no-undoc-members:
+   :show-inheritance:

docs/ahriman.application.handlers.web.rst

@@ -0,0 +1,21 @@
+ahriman.application.handlers.web package
+========================================
+
+Submodules
+----------
+
+ahriman.application.handlers.web.web module
+-------------------------------------------
+
+.. automodule:: ahriman.application.handlers.web.web
+   :members:
+   :no-undoc-members:
+   :show-inheritance:
+
+Module contents
+---------------
+
+.. automodule:: ahriman.application.handlers.web
+   :members:
+   :no-undoc-members:
+   :show-inheritance:

docs/requirements.txt

@@ -1,19 +1,19 @@
 # This file was autogenerated by uv via the following command:
-#    uv pip compile --group pyproject.toml:docs --extra s3 --extra validator --extra web --output-file docs/requirements.txt pyproject.toml
+#    uv pip compile --group pyproject.toml:docs --no-emit-package ahriman-core --no-emit-package ahriman-triggers --no-emit-package ahriman-web --output-file docs/requirements.txt pyproject.toml
 aiohappyeyeballs==2.6.1
     # via aiohttp
 aiohttp==3.11.18
     # via
-    #   ahriman (pyproject.toml)
+    #   ahriman-web
     #   aiohttp-cors
     #   aiohttp-jinja2
     #   aiohttp-sse
 aiohttp-cors==0.8.1
-    # via ahriman (pyproject.toml)
+    # via ahriman-web
 aiohttp-jinja2==1.6
-    # via ahriman (pyproject.toml)
+    # via ahriman-web
 aiohttp-sse==2.2.0
-    # via ahriman (pyproject.toml)
+    # via ahriman-web
 aiosignal==1.3.2
     # via aiohttp
 alabaster==1.0.0
@@ -25,15 +25,15 @@ attrs==25.3.0
 babel==2.17.0
     # via sphinx
 bcrypt==4.3.0
-    # via ahriman (pyproject.toml)
-boto3==1.38.11
-    # via ahriman (pyproject.toml)
-botocore==1.38.11
+    # via ahriman-core
+boto3==1.43.47
+    # via ahriman-core
+botocore==1.43.47
     # via
     #   boto3
     #   s3transfer
-cerberus==1.3.7
-    # via ahriman (pyproject.toml)
+cerberus==1.3.8
+    # via ahriman-core
 certifi==2025.4.26
     # via requests
 charset-normalizer==3.4.2
@@ -44,7 +44,7 @@ docutils==0.21.2
     #   sphinx-argparse
     #   sphinx-rtd-theme
 filelock==3.24.0
-    # via ahriman (pyproject.toml)
+    # via ahriman-core
 frozenlist==1.6.0
     # via
     #   aiohttp
@@ -56,12 +56,12 @@ idna==3.10
 imagesize==1.4.1
     # via sphinx
 inflection==0.5.1
-    # via ahriman (pyproject.toml)
+    # via ahriman-core
 jinja2==3.1.6
     # via
     #   aiohttp-jinja2
     #   sphinx
-jmespath==1.0.1
+jmespath==1.1.0
     # via
     #   boto3
     #   botocore
@@ -80,18 +80,18 @@ propcache==0.3.1
 pydeps==3.0.1
     # via ahriman (pyproject.toml:docs)
 pyelftools==0.32
-    # via ahriman (pyproject.toml)
+    # via ahriman-core
 pygments==2.19.1
     # via sphinx
 python-dateutil==2.9.0.post0
     # via botocore
 requests==2.32.3
     # via
-    #   ahriman (pyproject.toml)
+    #   ahriman-core
     #   sphinx
 roman-numerals-py==3.1.0
     # via sphinx
-s3transfer==0.12.0
+s3transfer==0.19.1
     # via boto3
 shtab==1.7.2
     # via ahriman (pyproject.toml:docs)
@@ -131,3 +131,8 @@ urllib3==2.4.0
     #   requests
 yarl==1.20.0
     # via aiohttp
+
+# The following packages were excluded from the output:
+# ahriman-core
+# ahriman-triggers
+# ahriman-web

pyproject.toml

@@ -36,6 +36,7 @@ check = [
     "pylint",
 ]
 docs = [
+     "ahriman-core[s3,validator]",
      "Sphinx",
      "argparse-manpage",
      "pydeps",
@@ -81,3 +82,15 @@ workspace.members = [
 
 [tool.hatch.version]
 path = "ahriman-core/src/ahriman/__init__.py"
+
+[tool.uv.sources]
+ahriman-core = {workspace = true}
+ahriman-triggers = {workspace = true}
+ahriman-web = {workspace = true}
+
+[tool.uv.workspace]
+members = [
+    "ahriman-core",
+    "ahriman-triggers",
+    "ahriman-web",
+]

tox.toml

@@ -91,7 +91,6 @@ deps = [
     { replace = "ref", of = ["project", "extras"], extend = true },
 ]
 pip_pre = true
-skip_install = true
 set_env.CFLAGS = "-Wno-unterminated-string-initialization"
 set_env.MYPYPATH = "ahriman-core/src:ahriman-triggers/src:ahriman-web/src"
 commands = [
@@ -160,9 +159,8 @@ deps = [
     { replace = "ref", of = ["project", "extras"], extend = true },
     "uv",
 ]
-dynamic_version = "{[project]name}.__version__"
+dynamic_version = "{[project]name}"
 pip_pre = true
-set_env.PYTHONPATH = "ahriman-core/src:ahriman-triggers/src:ahriman-web/src"
 set_env.SPHINX_APIDOC_OPTIONS = "members,no-undoc-members,show-inheritance"
 commands = [
     [
@@ -190,16 +188,14 @@ commands = [
         "--dot-output", "{tox_root}/docs/_static/architecture.dot",
         "--no-output",
         "--show-dot",
-        "ahriman-core/src/ahriman",
+        "{envsitepackagesdir}/{[project]name}",
     ],
     [
         "sphinx-apidoc",
         "--force",
         "--no-toc",
         "--output-dir", "docs",
-        "ahriman-core/src",
-        "ahriman-triggers/src",
-        "ahriman-web/src",
+        "{envsitepackagesdir}/{[project]name}",
     ],
     # compile list of dependencies for rtd.io
     [
@@ -207,9 +203,9 @@ commands = [
         "pip",
         "compile",
         "--group", "pyproject.toml:docs",
-        "--extra", "s3",
-        "--extra", "validator",
-        "--extra", "web",
+        "--no-emit-package", "ahriman-core",
+        "--no-emit-package", "ahriman-triggers",
+        "--no-emit-package", "ahriman-web",
         "--output-file", "docs/requirements.txt",
         "--quiet",
         "pyproject.toml",
@@ -246,7 +242,7 @@ commands = [
         "sphinx-build",
         "--builder", "html",
         "--fail-on-warning",
-        "--jobs", "auto",
+        "--jobs", "1",
         "--write-all",
         "docs",
         "{envtmpdir}/html",
@@ -268,9 +264,9 @@ commands = [
     [
         "git",
         "add",
+        "archlinux/PKGBUILD",
         "docs/_static/architecture.dot",
         "frontend/package.json",
-        "package/archlinux/PKGBUILD",
         "ahriman-core/package/share/man/man1/ahriman.1",
         "ahriman-core/package/share/bash-completion/completions/_ahriman",
         "ahriman-core/package/share/zsh/site-functions/_ahriman",
@@ -327,6 +323,7 @@ allowlist_externals = [
 deps = [
     "packaging",
 ]
+skip_install = true
 commands = [
     # check if version is set and validate it
     [
@@ -349,6 +346,6 @@ commands = [
         "sed",
         "--in-place",
         "s/pkgver=.*/pkgver={posargs}/",
-        "package/archlinux/PKGBUILD",
+        "archlinux/PKGBUILD",
     ],
 ]

toxfile.py

@@ -17,8 +17,7 @@
 # You should have received a copy of the GNU General Public License
 # along with this program. If not, see <http://www.gnu.org/licenses/>.
 #
-import importlib
-import sys
+from importlib.metadata import Distribution, PackageNotFoundError
 
 from tox.config.sets import EnvConfigSet
 from tox.plugin import impl
@@ -26,32 +25,34 @@ from tox.session.state import State
 from tox.tox_env.api import ToxEnv
 
 
-def _extract_version(env_conf: EnvConfigSet, python_path: str | None = None) -> dict[str, str]:
+def _extract_version(tox_env: ToxEnv) -> dict[str, str]:
     """
     extract version dynamically and set VERSION environment variable
 
     Args:
-        env_conf(EnvConfigSet): the core configuration object
-        python_path(str | None): python path variable if available
+        tox_env(ToxEnv): tox environment containing the installed package
 
     Returns:
         dict[str, str]: environment variables which must be inserted
+
+    Raises:
+        PackageNotFoundError: no installed distribution has been found
     """
-    import_path = env_conf["dynamic_version"]
-    if not import_path:
+    distribution = tox_env.conf["dynamic_version"]
+    if not distribution:
         return {}
 
-    if python_path is not None:
-        sys.path.append(python_path)
+    installed = next(
+        (
+            package for package in Distribution.discover(path=[str(tox_env.env_site_package_dir())])
+            if package.name == distribution
+        ),
+        None,
+    )
+    if installed is None:
+        raise PackageNotFoundError(distribution)
 
-    module_name, variable_name = import_path.rsplit(".", maxsplit=1)
-    module = importlib.import_module(module_name)
-    version = getattr(module, variable_name)
-
-    # reset import paths
-    sys.path.pop()
-
-    return {"VERSION": version}
+    return {"VERSION": installed.version}
 
 
 @impl
@@ -70,7 +71,7 @@ def tox_add_env_config(env_conf: EnvConfigSet, state: State) -> None:
         keys=["dynamic_version"],
         of_type=str,
         default="",
-        desc="import path for the version variable",
+        desc="distribution name used to populate the VERSION environment variable",
     )
 
 
@@ -82,8 +83,4 @@ def tox_before_run_commands(tox_env: ToxEnv) -> None:
     Args:
         tox_env(ToxEnv): the tox environment being executed
     """
-    env_conf = tox_env.conf
-    set_env = env_conf["set_env"]
-
-    python_path = set_env.load("PYTHONPATH") if "PYTHONPATH" in set_env else None
-    set_env.update(_extract_version(env_conf, python_path))
+    tox_env.conf["set_env"].update(_extract_version(tox_env))