2024-09-23 20:49:45 +02:00
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from __future__ import annotations
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import os
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import sys
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2025-01-23 14:45:50 +01:00
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import textwrap
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2024-09-23 20:49:45 +02:00
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from pathlib import Path
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from typing import TYPE_CHECKING
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2025-01-23 14:45:50 +01:00
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import findpython
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import packaging.version
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2024-09-23 20:49:45 +02:00
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import pytest
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from poetry.core.constraints.version import Version
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2025-01-29 01:53:45 +01:00
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from poetry.utils.env.python import Python
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if TYPE_CHECKING:
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from unittest.mock import MagicMock
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from pytest_mock import MockerFixture
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from poetry.config.config import Config
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from tests.types import MockedPythonRegister
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from tests.types import ProjectFactory
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2025-08-27 10:44:14 +02:00
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@pytest.fixture(scope="session")
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def python_version() -> Version:
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version = sys.version.split(" ", 1)[0]
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if version[-1] == "+":
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version = version[:-1]
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return Version.parse(version)
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def test_python_get_version_on_the_fly() -> None:
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python = Python.get_system_python()
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assert python.version == Version.parse(
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".".join([str(s) for s in sys.version_info[:3]])
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)
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assert python.patch_version == Version.parse(
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".".join([str(s) for s in sys.version_info[:3]])
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)
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assert python.minor_version == Version.parse(
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".".join([str(s) for s in sys.version_info[:2]])
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)
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def test_python_get_system_python() -> None:
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python = Python.get_system_python()
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2025-03-29 08:55:22 -07:00
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assert python.executable.resolve() == findpython.find().executable.resolve()
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2024-09-23 20:49:45 +02:00
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assert python.version == Version.parse(
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".".join(str(v) for v in sys.version_info[:3])
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)
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def test_python_get_preferred_default(config: Config, python_version: Version) -> None:
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python = Python.get_preferred_python(config)
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2025-08-01 01:39:14 +02:00
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2025-03-29 08:55:22 -07:00
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assert python.executable.resolve() == Path(sys.executable).resolve()
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assert python.version == python_version
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2024-10-27 16:45:29 +01:00
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def test_get_preferred_python_use_poetry_python_disabled(
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config: Config, mocker: MockerFixture
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) -> None:
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mocker.patch(
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"poetry.utils.env.python.Python.get_active_python",
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return_value=Python(
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python=findpython.PythonVersion(
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executable=Path("/usr/bin/python3.7"),
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_version=packaging.version.Version("3.7.1"),
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_interpreter=Path("/usr/bin/python3.7"),
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)
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),
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)
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config.config["virtualenvs"]["use-poetry-python"] = False
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python = Python.get_preferred_python(config)
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assert python.executable.as_posix().startswith("/usr/bin/python")
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assert python.version == Version.parse("3.7.1")
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def test_get_preferred_python_use_poetry_python_disabled_fallback(
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config: Config, with_no_active_python: MagicMock
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) -> None:
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config.config["virtualenvs"]["use-poetry-python"] = False
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2024-11-14 23:40:46 +00:00
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python = Python.get_preferred_python(config)
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assert with_no_active_python.call_count == 1
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assert python.executable.resolve() == Path(sys.executable).resolve()
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def test_fallback_on_detect_active_python(with_no_active_python: MagicMock) -> None:
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active_python = Python.get_active_python()
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assert active_python is None
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assert with_no_active_python.call_count == 1
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@pytest.mark.skipif(sys.platform != "win32", reason="Windows only")
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def test_detect_active_python_with_bat(
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tmp_path: Path, without_mocked_findpython: None, python_version: Version
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) -> None:
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"""On Windows pyenv uses batch files for python management."""
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python_wrapper = tmp_path / "python.bat"
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2025-01-23 14:45:50 +01:00
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2025-11-29 09:33:26 +01:00
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with python_wrapper.open("w", encoding="locale") as f:
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f.write(
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textwrap.dedent(f"""
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@echo off
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SET PYTHON_EXE="{sys.executable}"
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%PYTHON_EXE% %*
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""")
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)
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os.environ["PATH"] = str(python_wrapper.parent) + os.pathsep + os.environ["PATH"]
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python = Python.get_active_python()
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assert python is not None
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# TODO: Asses if Poetry needs to discover real path in these cases as
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# this is not a symlink and won't be handled by findpython
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assert python.executable.as_posix() == Path(sys.executable).as_posix()
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assert python.version == python_version
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def test_python_find_compatible(
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project_factory: ProjectFactory, mocked_python_register: MockedPythonRegister
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) -> None:
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# Note: This test may fail on Windows systems using Python from the Microsoft Store,
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# as the executable is named `py.exe`, which is not currently recognized by
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# Python.get_compatible_python. This issue will be resolved in #2117.
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# However, this does not cause problems in our case because Poetry's own
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# Python interpreter is used before attempting to find another compatible version.
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fixture = Path(__file__).parent.parent / "fixtures" / "simple_project"
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poetry = project_factory("simple-project", source=fixture)
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mocked_python_register("3.12")
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python = Python.get_compatible_python(poetry)
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assert Version.from_parts(3, 4) <= python.version <= Version.from_parts(4, 0)
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