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from __future__ import annotations
import contextlib
import os
import shlex
from collections.abc import Generator
from collections.abc import Sequence
from pre_commit import lang_base
from pre_commit.envcontext import envcontext
from pre_commit.envcontext import PatchesT
from pre_commit.envcontext import Var
from pre_commit.prefix import Prefix
ENVIRONMENT_DIR = 'perl_env'
get_default_version = lang_base.basic_get_default_version
health_check = lang_base.basic_health_check
run_hook = lang_base.basic_run_hook
def get_env_patch(venv: str) -> PatchesT:
return (
('PATH', (os.path.join(venv, 'bin'), os.pathsep, Var('PATH'))),
('PERL5LIB', os.path.join(venv, 'lib', 'perl5')),
('PERL_MB_OPT', f'--install_base {shlex.quote(venv)}'),
(
'PERL_MM_OPT', (
f'INSTALL_BASE={shlex.quote(venv)} '
f'INSTALLSITEMAN1DIR=none INSTALLSITEMAN3DIR=none'
),
),
)
@contextlib.contextmanager
def in_env(prefix: Prefix, version: str) -> Generator[None, None, None]:
envdir = lang_base.environment_dir(prefix, ENVIRONMENT_DIR, version)
with envcontext(get_env_patch(envdir)):
yield
def install_environment(
prefix: Prefix, version: str, additional_dependencies: Sequence[str],
) -> None:
lang_base.assert_version_default('perl', version)
with in_env(prefix, version):
lang_base.setup_cmd(
prefix, ('cpan', '-T', '.', *additional_dependencies),
)
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