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Replace shell command with activator
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Original file line number | Diff line number | Diff line change |
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from __future__ import annotations | ||
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import shlex | ||
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from typing import TYPE_CHECKING | ||
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import shellingham | ||
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from poetry.console.commands.command import Command | ||
from poetry.utils._compat import WINDOWS | ||
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if TYPE_CHECKING: | ||
from poetry.utils.env import Env | ||
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class ShellNotSupportedError(Exception): | ||
"""Raised when a shell doesn't have an activator in virtual environment""" | ||
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class EnvActivateCommand(Command): | ||
name = "env activate" | ||
description = "Print the command to activate a virtual environment" | ||
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def handle(self) -> int: | ||
from poetry.utils.env import EnvManager | ||
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env = EnvManager(self.poetry).get() | ||
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if command := self.get_activate_command(env): | ||
self.line(command) | ||
return 0 | ||
else: | ||
raise ShellNotSupportedError( | ||
"Discovered shell doesn't have an activator in virtual environment" | ||
) | ||
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def get_activate_command(self, env: Env) -> str: | ||
try: | ||
shell, _ = shellingham.detect_shell() | ||
except shellingham.ShellDetectionFailure: | ||
shell = "" | ||
if shell == "fish": | ||
command, filename = "source", "activate.fish" | ||
elif shell == "nu": | ||
command, filename = "overlay use", "activate.nu" | ||
elif shell == "csh": | ||
command, filename = "source", "activate.csh" | ||
elif shell in ["powershell", "pwsh"]: | ||
command, filename = ".", "Activate.ps1" | ||
else: | ||
command, filename = "source", "activate" | ||
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if (activation_script := env.bin_dir / filename).exists(): | ||
if WINDOWS: | ||
return f"{self.quote(str(activation_script), shell)}" | ||
return f"{command} {self.quote(str(activation_script), shell)}" | ||
return "" | ||
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@staticmethod | ||
def quote(command: str, shell: str) -> str: | ||
if shell in ["powershell", "pwsh"] or WINDOWS: | ||
return "{}".format(command.replace("'", "''")) | ||
return shlex.quote(command) |
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Original file line number | Diff line number | Diff line change |
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@@ -0,0 +1,74 @@ | ||
from __future__ import annotations | ||
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from typing import TYPE_CHECKING | ||
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import pytest | ||
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from poetry.utils._compat import WINDOWS | ||
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if TYPE_CHECKING: | ||
from cleo.testers.command_tester import CommandTester | ||
from pytest_mock import MockerFixture | ||
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from poetry.utils.env import VirtualEnv | ||
from tests.types import CommandTesterFactory | ||
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@pytest.fixture | ||
def tester(command_tester_factory: CommandTesterFactory) -> CommandTester: | ||
return command_tester_factory("env activate") | ||
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@pytest.mark.parametrize( | ||
"shell, command, ext", | ||
( | ||
("bash", "source", ""), | ||
("zsh", "source", ""), | ||
("fish", "source", ".fish"), | ||
("nu", "overlay use", ".nu"), | ||
("csh", "source", ".csh"), | ||
), | ||
) | ||
@pytest.mark.skipif(WINDOWS, reason="Only Unix shells") | ||
def test_env_activate_prints_correct_script_windows( | ||
tmp_venv: VirtualEnv, | ||
mocker: MockerFixture, | ||
tester: CommandTester, | ||
shell: str, | ||
command: str, | ||
ext: str, | ||
) -> None: | ||
mocker.patch("shellingham.detect_shell", return_value=(shell, None)) | ||
mocker.patch("poetry.utils.env.EnvManager.get", return_value=tmp_venv) | ||
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tester.execute() | ||
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line = tester.io.fetch_output().split("\n")[0] | ||
assert line.startswith(command) | ||
assert line.endswith(f"activate{ext}") | ||
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@pytest.mark.parametrize( | ||
"shell, command, ext", | ||
( | ||
("pwsh", ".", "Activate.ps1"), | ||
("powershell", ".", "Activate.ps1"), | ||
), | ||
) | ||
@pytest.mark.skipif(not WINDOWS, reason="Only Windows shells") | ||
def test_env_activate_prints_correct_script( | ||
tmp_venv: VirtualEnv, | ||
mocker: MockerFixture, | ||
tester: CommandTester, | ||
shell: str, | ||
command: str, | ||
ext: str, | ||
) -> None: | ||
mocker.patch("shellingham.detect_shell", return_value=(shell, None)) | ||
mocker.patch("poetry.utils.env.EnvManager.get", return_value=tmp_venv) | ||
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tester.execute() | ||
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line = tester.io.fetch_output().split("\n")[0] | ||
assert line == str(tmp_venv.bin_dir / ext) |
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