feat(config)!: change virtualenvs.prefer-active-python default to true

docs/configuration.md

@@ -421,10 +421,12 @@ This setting controls the global virtual environment storage path. It most likel
 
 **Type**: `boolean`
 
-**Default**: `false`
+**Default**: `true`
 
 **Environment Variable**: `POETRY_VIRTUALENVS_PREFER_ACTIVE_PYTHON`
 
+*Default changed to `true` in 2.0.0*
+
 *Introduced in 1.2.0*
 
 Use currently activated Python version to create a new virtual environment.

src/poetry/config/config.py

@@ -116,7 +116,7 @@ class Config:
                 "system-site-packages": False,
                 "no-pip": False,
             },
-            "prefer-active-python": False,
+            "prefer-active-python": True,
             "prompt": "{project_name}-py{python_version}",
         },
         "experimental": {

tests/console/commands/test_config.py

@@ -68,7 +68,7 @@ def test_list_displays_default_value_if_not_set(
 virtualenvs.options.no-pip = false
 virtualenvs.options.system-site-packages = false
 virtualenvs.path = {venv_path}  # {config_cache_dir / 'virtualenvs'}
-virtualenvs.prefer-active-python = false
+virtualenvs.prefer-active-python = true
 virtualenvs.prompt = "{{project_name}}-py{{python_version}}"
 """
 
@@ -99,7 +99,7 @@ def test_list_displays_set_get_setting(
 virtualenvs.options.no-pip = false
 virtualenvs.options.system-site-packages = false
 virtualenvs.path = {venv_path}  # {config_cache_dir / 'virtualenvs'}
-virtualenvs.prefer-active-python = false
+virtualenvs.prefer-active-python = true
 virtualenvs.prompt = "{{project_name}}-py{{python_version}}"
 """
 
@@ -151,7 +151,7 @@ def test_unset_setting(
 virtualenvs.options.no-pip = false
 virtualenvs.options.system-site-packages = false
 virtualenvs.path = {venv_path}  # {config_cache_dir / 'virtualenvs'}
-virtualenvs.prefer-active-python = false
+virtualenvs.prefer-active-python = true
 virtualenvs.prompt = "{{project_name}}-py{{python_version}}"
 """
     assert config.set_config_source.call_count == 0  # type: ignore[attr-defined]
@@ -181,7 +181,7 @@ def test_unset_repo_setting(
 virtualenvs.options.no-pip = false
 virtualenvs.options.system-site-packages = false
 virtualenvs.path = {venv_path}  # {config_cache_dir / 'virtualenvs'}
-virtualenvs.prefer-active-python = false
+virtualenvs.prefer-active-python = true
 virtualenvs.prompt = "{{project_name}}-py{{python_version}}"
 """
     assert config.set_config_source.call_count == 0  # type: ignore[attr-defined]
@@ -309,7 +309,7 @@ def test_list_displays_set_get_local_setting(
 virtualenvs.options.no-pip = false
 virtualenvs.options.system-site-packages = false
 virtualenvs.path = {venv_path}  # {config_cache_dir / 'virtualenvs'}
-virtualenvs.prefer-active-python = false
+virtualenvs.prefer-active-python = true
 virtualenvs.prompt = "{{project_name}}-py{{python_version}}"
 """
 
@@ -348,7 +348,7 @@ def test_list_must_not_display_sources_from_pyproject_toml(
 virtualenvs.options.no-pip = false
 virtualenvs.options.system-site-packages = false
 virtualenvs.path = {venv_path}  # {config_cache_dir / 'virtualenvs'}
-virtualenvs.prefer-active-python = false
+virtualenvs.prefer-active-python = true
 virtualenvs.prompt = "{{project_name}}-py{{python_version}}"
 """
 

tests/utils/env/test_env_manager.py

@@ -494,6 +494,7 @@ def test_deactivate_non_activated_but_existing(
     mocker: MockerFixture,
     venv_name: str,
 ) -> None:
+    config.config["virtualenvs"]["prefer-active-python"] = False
     if "VIRTUAL_ENV" in os.environ:
         del os.environ["VIRTUAL_ENV"]
 
@@ -521,6 +522,7 @@ def test_deactivate_activated(
     mocker: MockerFixture,
     venv_name: str,
 ) -> None:
+    config.config["virtualenvs"]["prefer-active-python"] = False
     if "VIRTUAL_ENV" in os.environ:
         del os.environ["VIRTUAL_ENV"]
 
@@ -894,6 +896,7 @@ def test_create_venv_tries_to_find_a_compatible_python_executable_using_generic_
     venv_name: str,
     venv_flags_default: dict[str, bool],
 ) -> None:
+    config.config["virtualenvs"]["prefer-active-python"] = False
     if "VIRTUAL_ENV" in os.environ:
         del os.environ["VIRTUAL_ENV"]
 
@@ -952,6 +955,7 @@ def test_create_venv_tries_to_find_a_compatible_python_executable_using_specific
     venv_name: str,
     venv_flags_default: dict[str, bool],
 ) -> None:
+    config.config["virtualenvs"]["prefer-active-python"] = False
     if "VIRTUAL_ENV" in os.environ:
         del os.environ["VIRTUAL_ENV"]
 
@@ -987,6 +991,7 @@ def test_create_venv_tries_to_find_a_compatible_python_executable_using_specific
 def test_create_venv_fails_if_no_compatible_python_version_could_be_found(
     manager: EnvManager, poetry: Poetry, config: Config, mocker: MockerFixture
 ) -> None:
+    config.config["virtualenvs"]["prefer-active-python"] = False
     if "VIRTUAL_ENV" in os.environ:
         del os.environ["VIRTUAL_ENV"]
 
@@ -1016,6 +1021,7 @@ def test_create_venv_fails_if_no_compatible_python_version_could_be_found(
 def test_create_venv_does_not_try_to_find_compatible_versions_with_executable(
     manager: EnvManager, poetry: Poetry, config: Config, mocker: MockerFixture
 ) -> None:
+    config.config["virtualenvs"]["prefer-active-python"] = False
     if "VIRTUAL_ENV" in os.environ:
         del os.environ["VIRTUAL_ENV"]
 
@@ -1048,6 +1054,7 @@ def test_create_venv_uses_patch_version_to_detect_compatibility(
     venv_name: str,
     venv_flags_default: dict[str, bool],
 ) -> None:
+    config.config["virtualenvs"]["prefer-active-python"] = False
     if "VIRTUAL_ENV" in os.environ:
         del os.environ["VIRTUAL_ENV"]
 
@@ -1151,6 +1158,7 @@ def test_create_venv_project_name_empty_sets_correct_prompt(
     mocker: MockerFixture,
     config_virtualenvs_path: Path,
 ) -> None:
+    config.config["virtualenvs"]["prefer-active-python"] = False
     if "VIRTUAL_ENV" in os.environ:
         del os.environ["VIRTUAL_ENV"]