68 lines
1.9 KiB
Python
68 lines
1.9 KiB
Python
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import contextlib
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import os
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import shlex
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from typing import Generator
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from typing import Sequence
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from typing import Tuple
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from pre_commit.envcontext import envcontext
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from pre_commit.envcontext import PatchesT
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from pre_commit.envcontext import Var
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from pre_commit.hook import Hook
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from pre_commit.languages import helpers
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from pre_commit.prefix import Prefix
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from pre_commit.util import clean_path_on_failure
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ENVIRONMENT_DIR = 'perl_env'
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get_default_version = helpers.basic_get_default_version
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healthy = helpers.basic_healthy
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def _envdir(prefix: Prefix, version: str) -> str:
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directory = helpers.environment_dir(ENVIRONMENT_DIR, version)
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return prefix.path(directory)
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def get_env_patch(venv: str) -> PatchesT:
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return (
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('PATH', (os.path.join(venv, 'bin'), os.pathsep, Var('PATH'))),
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('PERL5LIB', os.path.join(venv, 'lib', 'perl5')),
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('PERL_MB_OPT', f'--install_base {shlex.quote(venv)}'),
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(
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'PERL_MM_OPT', (
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f'INSTALL_BASE={shlex.quote(venv)} '
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f'INSTALLSITEMAN1DIR=none INSTALLSITEMAN3DIR=none'
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),
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),
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)
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@contextlib.contextmanager
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def in_env(
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prefix: Prefix,
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language_version: str,
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) -> Generator[None, None, None]:
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with envcontext(get_env_patch(_envdir(prefix, language_version))):
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yield
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def install_environment(
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prefix: Prefix, version: str, additional_dependencies: Sequence[str],
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) -> None:
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helpers.assert_version_default('perl', version)
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with clean_path_on_failure(_envdir(prefix, version)):
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with in_env(prefix, version):
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helpers.run_setup_cmd(
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prefix, ('cpan', '-T', '.', *additional_dependencies),
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)
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def run_hook(
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hook: Hook,
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file_args: Sequence[str],
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color: bool,
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) -> Tuple[int, bytes]:
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with in_env(hook.prefix, hook.language_version):
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return helpers.run_xargs(hook, hook.cmd, file_args, color=color)
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