Disable adding the seed packages by default (#6)

README.md

@@ -12,5 +12,11 @@ Simply install `tox-uv` into the environment your tox is installed and will repl
 run environments with uv.
 
 Note: currently we haven't implemented uv support for packaging environments, so only your run tox environments will
-use uv. Also, uv does not have at the moment a `pip freeze/list` like feature, so we still install pip into the
-environment to perform this operation via pip.
+use uv.
+
+## Configuration
+
+### uv_seed
+
+This flag controls if the created virtual environment injects pip/setuptools/wheel into the created virtual environment
+or not. By default, is off.

pyproject.toml

@@ -44,7 +44,7 @@ dependencies = [
 optional-dependencies.test = [
   "covdefaults>=2.3",
   "devpi-process>=1",
-  "pytest>=8",
+  "pytest>=8.0.1",
   "pytest-cov>=4.1",
   "pytest-mock>=3.12",
 ]
@@ -104,7 +104,7 @@ html.show_contexts = true
 html.skip_covered = false
 paths.source = ["src", ".tox/*/.venv/lib/*/site-packages", ".tox\\*\\.venv\\Lib\\site-packages", "**/src", "**\\src"]
 paths.other = [".", "*/tox_uv", "*\\tox_uv"]
-report.fail_under = 96
+report.fail_under = 100
 run.parallel = true
 run.plugins = ["covdefaults"]
 

src/tox_uv/_venv.py

@@ -27,6 +27,16 @@ def __init__(self, create_args: ToxEnvCreateArgs) -> None:
         self._installer: UvInstaller | None = None
         super().__init__(create_args)
 
+    def register_config(self) -> None:
+        super().register_config()
+        desc = "add seed packages to the created venv"
+        self.conf.add_config(keys=["uv_seed"], of_type=bool, default=False, desc=desc)
+
+    def python_cache(self) -> dict[str, Any]:
+        result = super().python_cache()
+        result["seed"] = self.conf["uv_seed"]
+        return result
+
     @property
     def executor(self) -> Execute:
         if self._executor is None:
@@ -94,7 +104,10 @@ def environment_variables(self) -> dict[str, str]:
 
     def create_python_env(self) -> None:
         base = self.base_python
-        cmd = [self.uv, "venv", "-p", base.version_dot, "--seed", str(self.venv_dir)]
+        cmd = [self.uv, "venv", "-p", base.version_dot]
+        if self.conf["uv_seed"]:
+            cmd.append("--seed")
+        cmd.append(str(self.venv_dir))
         outcome = self.execute(cmd, stdin=StdinSource.OFF, run_id="venv", show=False)
         outcome.assert_success()
 

tests/test_tox_uv_installer.py

@@ -12,7 +12,17 @@ def test_uv_install_in_ci_list(tox_project: ToxProjectCreator, monkeypatch: pyte
     project = tox_project({"tox.ini": "[testenv]\ndeps = tomli\npackage=skip"})
     result = project.run()
     result.assert_success()
-    assert "tomli==" in result.out
+    report = {i.split("=")[0] for i in result.out.splitlines()[-3][4:].split(",")}
+    assert report == {"tomli"}
+
+
+def test_uv_install_in_ci_seed(tox_project: ToxProjectCreator, monkeypatch: pytest.MonkeyPatch) -> None:
+    monkeypatch.setenv("CI", "1")
+    project = tox_project({"tox.ini": "[testenv]\npackage=skip\nuv_seed = true"})
+    result = project.run()
+    result.assert_success()
+    report = {i.split("=")[0] for i in result.out.splitlines()[-3][4:].split(",")}
+    assert report == {"pip", "setuptools", "wheel"}
 
 
 def test_uv_install_with_pre(tox_project: ToxProjectCreator) -> None:

tox.ini

@@ -68,5 +68,5 @@ package = editable
 extras =
     test
 commands =
-    python -m pip list --format=columns
+    uv pip freeze
     python -c 'import sys; print(sys.executable)'