fix more encoding warnings

src/poetry/utils/env/env_manager.py

@@ -105,8 +105,11 @@ def _full_python_path(python: str) -> Path | None:
             return None
 
         try:
+            encoding = "locale" if sys.version_info >= (3, 10) else None
             executable = subprocess.check_output(
-                [path_python, "-c", "import sys; print(sys.executable)"], text=True
+                [path_python, "-c", "import sys; print(sys.executable)"],
+                text=True,
+                encoding=encoding,
             ).strip()
             return Path(executable)
 
@@ -147,8 +150,11 @@ def get_python_version(
             executable = EnvManager._detect_active_python(io)
 
             if executable:
+                encoding = "locale" if sys.version_info >= (3, 10) else None
                 python_patch = subprocess.check_output(
-                    [executable, "-c", GET_PYTHON_VERSION_ONELINER], text=True
+                    [executable, "-c", GET_PYTHON_VERSION_ONELINER],
+                    text=True,
+                    encoding=encoding,
                 ).strip()
 
                 version = ".".join(str(v) for v in python_patch.split(".")[:precision])
@@ -188,8 +194,11 @@ def activate(self, python: str) -> Env:
             raise PythonVersionNotFound(python)
 
         try:
+            encoding = "locale" if sys.version_info >= (3, 10) else None
             python_version_string = subprocess.check_output(
-                [python_path, "-c", GET_PYTHON_VERSION_ONELINER], text=True
+                [python_path, "-c", GET_PYTHON_VERSION_ONELINER],
+                text=True,
+                encoding=encoding,
             )
         except CalledProcessError as e:
             raise EnvCommandError(e)
@@ -354,8 +363,9 @@ def remove(self, python: str) -> Env:
         if python_path.is_file():
             # Validate env name if provided env is a full path to python
             try:
+                encoding = "locale" if sys.version_info >= (3, 10) else None
                 env_dir = subprocess.check_output(
-                    [python, "-c", GET_ENV_PATH_ONELINER], text=True
+                    [python, "-c", GET_ENV_PATH_ONELINER], text=True, encoding=encoding
                 ).strip("\n")
                 env_name = Path(env_dir).name
                 if not self.check_env_is_for_current_project(
@@ -398,8 +408,11 @@ def remove(self, python: str) -> Env:
             pass
 
         try:
+            encoding = "locale" if sys.version_info >= (3, 10) else None
             python_version_string = subprocess.check_output(
-                [python, "-c", GET_PYTHON_VERSION_ONELINER], text=True
+                [python, "-c", GET_PYTHON_VERSION_ONELINER],
+                text=True,
+                encoding=encoding,
             )
         except CalledProcessError as e:
             raise EnvCommandError(e)
@@ -481,8 +494,11 @@ def create_venv(
         python_patch = ".".join([str(v) for v in sys.version_info[:3]])
         python_minor = ".".join([str(v) for v in sys.version_info[:2]])
         if executable:
+            encoding = "locale" if sys.version_info >= (3, 10) else None
             python_patch = subprocess.check_output(
-                [executable, "-c", GET_PYTHON_VERSION_ONELINER], text=True
+                [executable, "-c", GET_PYTHON_VERSION_ONELINER],
+                text=True,
+                encoding=encoding,
             ).strip()
             python_minor = ".".join(python_patch.split(".")[:2])
 
@@ -527,10 +543,12 @@ def create_venv(
                     continue
 
                 try:
+                    encoding = "locale" if sys.version_info >= (3, 10) else None
                     python_patch = subprocess.check_output(
                         [python, "-c", GET_PYTHON_VERSION_ONELINER],
                         stderr=subprocess.STDOUT,
                         text=True,
+                        encoding=encoding,
                     ).strip()
                 except CalledProcessError:
                     continue

tests/console/commands/test_run.py

@@ -1,6 +1,7 @@
 from __future__ import annotations
 
 import subprocess
+import sys
 
 from typing import TYPE_CHECKING
 
@@ -116,7 +117,8 @@ def test_run_console_scripts_of_editable_dependencies_on_windows(
 
     cmd_script_file = tmp_venv._bin_dir / "quix.cmd"
     # `/b` ensures we only exit the script instead of any cmd.exe proc that called it
-    cmd_script_file.write_text("exit /b 123")
+    encoding = "locale" if sys.version_info >= (3, 10) else None
+    cmd_script_file.write_text("exit /b 123", encoding=encoding)
     # We prove that the CMD script executed successfully by verifying the exit code
     # matches what we wrote in the script
     assert tester.execute("quix") == 123

tests/repositories/test_installed_repository.py

@@ -12,6 +12,7 @@
 import pytest
 
 from poetry.repositories.installed_repository import InstalledRepository
+from poetry.utils._compat import getencoding
 from poetry.utils._compat import metadata
 from poetry.utils.env import EnvManager
 from poetry.utils.env import MockEnv
@@ -168,7 +169,7 @@ def fix_editable_path_for_windows(
     # to give inconsistent results at different phases of the test suite execution; additionally
     # this represents a more realistic scenario
     editable_pth_file = site_purelib / "editable.pth"
-    editable_pth_file.write_text(editable_source_directory_path)
+    editable_pth_file.write_text(editable_source_directory_path, encoding=getencoding())
 
 
 def test_load_successful(

tests/utils/env/test_env.py

@@ -527,7 +527,8 @@ def test_detect_active_python_with_bat(poetry: Poetry, tmp_path: Path) -> None:
     """On Windows pyenv uses batch files for python management."""
     python_wrapper = tmp_path / "python.bat"
     wrapped_python = Path(r"C:\SpecialPython\python.exe")
-    with python_wrapper.open("w") as f:
+    encoding = "locale" if sys.version_info >= (3, 10) else None
+    with python_wrapper.open("w", encoding=encoding) as f:
         f.write(f"@echo {wrapped_python}")
     os.environ["PATH"] = str(python_wrapper.parent) + os.pathsep + os.environ["PATH"]
 

tests/utils/env/test_env_manager.py

@@ -924,17 +924,13 @@ def test_create_venv_finds_no_python_executable(
     manager: EnvManager,
     poetry: Poetry,
     config: Config,
-    mocker: MockerFixture,
     config_virtualenvs_path: Path,
     venv_name: str,
 ) -> None:
     if "VIRTUAL_ENV" in os.environ:
         del os.environ["VIRTUAL_ENV"]
 
-    poetry.package.python_versions = "^3.6"
-
-    mocker.patch("sys.version_info", (3, 4, 5))
-    mocker.patch("shutil.which", return_value=None)
+    poetry.package.python_versions = "^999"
 
     with pytest.raises(NoCompatiblePythonVersionFound) as e:
         manager.create_venv()