fix(python): remove deprecated venv_auto_create setting

docs/lang/python.md

@@ -77,7 +77,7 @@ If you have installed `uv` (for example, with `mise use -g uv@latest`), `mise` w
 
 Note that `uv` does not include `pip` by default (as `uv` provides `uv pip` instead). If you need the `pip` package, add the `uv_create_args = ['--seed']` option.
 
-If you are still using the legacy `python.uv_venv_auto = true` setting (deprecated), mise will also export `UV_PYTHON`,
+If you are still using the legacy `python.uv_venv_auto = true` value (deprecated in favor of `"source"` or `"create|source"`), mise will also export `UV_PYTHON`,
 which forces `uv` to use `mise`'s selected python version.
 
 See the [mise + uv Cookbook](/mise-cookbook/python.html#mise-uv) for more examples.

e2e/cli/test_settings_ls

@@ -36,5 +36,3 @@ assert_contains "mise settings --json-extended" "{
 }"
 
 assert_contains "mise settings ls -T" "all_compile = false"
-echo "settings.python.venv_auto_create = false" >>mise.toml
-assert_contains "mise settings ls python" "venv_auto_create  false"

schema/mise.json

@@ -1108,11 +1108,6 @@
                 "type": "string"
               }
             },
-            "venv_auto_create": {
-              "description": "Automatically create virtualenvs for python tools.",
-              "type": "boolean",
-              "deprecated": true
-            },
             "venv_create_args": {
               "description": "Arguments to pass to python when creating a venv. (not used for uv venv creation)",
               "type": "array",
@@ -1161,11 +1156,6 @@
           "type": "string",
           "deprecated": true
         },
-        "python_venv_auto_create": {
-          "description": "Automatically create virtualenvs for python tools.",
-          "type": "boolean",
-          "deprecated": true
-        },
         "python_venv_stdlib": {
           "description": "Prefer to use venv from Python's standard library.",
           "type": "boolean",

settings.toml

@@ -1408,13 +1408,6 @@ parse_env = "list_by_colon"
 rust_type = "Vec<String>"
 type = "ListString"
 
-[python.venv_auto_create]
-deprecated = "Use env._python.venv instead."
-description = "Automatically create virtualenvs for python tools."
-env = "MISE_PYTHON_VENV_AUTO_CREATE"
-hide = true
-type = "Bool"
-
 [python.venv_create_args]
 description = "Arguments to pass to python when creating a venv. (not used for uv venv creation)"
 env = "MISE_PYTHON_VENV_CREATE_ARGS"
@@ -1477,13 +1470,6 @@ hide = true
 optional = true
 type = "String"
 
-[python_venv_auto_create]
-deprecated = "Use env._python.venv instead."
-description = "Automatically create virtualenvs for python tools."
-hide = true
-optional = true
-type = "Bool"
-
 [python_venv_stdlib]
 deprecated = "Use python.venv_stdlib instead."
 description = "Prefer to use venv from Python's standard library."

src/config/settings.rs

@@ -446,9 +446,6 @@ impl Settings {
         if let Some(python_venv_stdlib) = self.python_venv_stdlib {
             self.python.venv_stdlib = python_venv_stdlib;
         }
-        if let Some(python_venv_auto_create) = self.python_venv_auto_create {
-            self.python.venv_auto_create = python_venv_auto_create;
-        }
         if self.npm.bun {
             self.npm.package_manager = NpmPackageManager::Bun;
         }
@@ -524,18 +521,8 @@ impl Settings {
     }
 
     pub fn hidden_configs() -> &'static HashSet<&'static str> {
-        static HIDDEN_CONFIGS: Lazy<HashSet<&'static str>> = Lazy::new(|| {
-            [
-                "ci",
-                "cd",
-                "debug",
-                "env_file",
-                "trace",
-                "log_level",
-                "python_venv_auto_create",
-            ]
-            .into()
-        });
+        static HIDDEN_CONFIGS: Lazy<HashSet<&'static str>> =
+            Lazy::new(|| ["ci", "cd", "debug", "env_file", "trace", "log_level"].into());
         &HIDDEN_CONFIGS
     }
 

src/plugins/core/python.rs

@@ -389,7 +389,6 @@ impl PythonPlugin {
         &self,
         config: &Arc<Config>,
         tv: &ToolVersion,
-        pr: Option<&dyn SingleReport>,
     ) -> eyre::Result<Option<PathBuf>> {
         if let Some(virtualenv) = tv.request.options().get("virtualenv") {
             if !Settings::get().experimental {
@@ -406,26 +405,13 @@ impl PythonPlugin {
                 }
             }
             if !virtualenv.exists() {
-                if Settings::get().python.venv_auto_create {
-                    info!("setting up virtualenv at: {}", virtualenv.display());
-                    let mut cmd = CmdLineRunner::new(python_path(tv))
-                        .arg("-m")
-                        .arg("venv")
-                        .arg(&virtualenv)
-                        .envs(config.env().await?);
-                    if let Some(pr) = pr {
-                        cmd = cmd.with_pr(pr);
-                    }
-                    cmd.execute()?;
-                } else {
-                    warn!(
-                        "no venv found at: {p}\n\n\
-                        To create a virtualenv manually, run:\n\
-                        python -m venv {p}",
-                        p = display_path(&virtualenv)
-                    );
-                    return Ok(None);
-                }
+                warn!(
+                    "no venv found at: {p}\n\n\
+                    To create a virtualenv manually, run:\n\
+                    python -m venv {p}",
+                    p = display_path(&virtualenv)
+                );
+                return Ok(None);
             }
             // TODO: enable when it is more reliable
             // self.check_venv_python(&virtualenv, tv)?;
@@ -565,10 +551,7 @@ impl Backend for PythonPlugin {
             self.install_compiled(ctx, &tv).await?;
         }
         self.test_python(&ctx.config, &tv, ctx.pr.as_ref()).await?;
-        if let Err(e) = self
-            .get_virtualenv(&ctx.config, &tv, Some(ctx.pr.as_ref()))
-            .await
-        {
+        if let Err(e) = self.get_virtualenv(&ctx.config, &tv).await {
             warn!("failed to get virtualenv: {e:#}");
         }
         if let Some(default_file) = &Settings::get().python.default_packages_file {
@@ -599,7 +582,7 @@ impl Backend for PythonPlugin {
         tv: &ToolVersion,
     ) -> eyre::Result<BTreeMap<String, String>> {
         let mut hm = BTreeMap::new();
-        match self.get_virtualenv(config, tv, None).await {
+        match self.get_virtualenv(config, tv).await {
             Err(e) => warn!("failed to get virtualenv: {e}"),
             Ok(Some(virtualenv)) => {
                 let bin = virtualenv.join("bin");