110 lines
3.5 KiB
Python
110 lines
3.5 KiB
Python
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import contextlib
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import os.path
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import shutil
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import tempfile
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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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import pre_commit.constants as C
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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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from pre_commit.util import win_exe
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from pre_commit.util import yaml_load
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ENVIRONMENT_DIR = 'dartenv'
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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 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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)
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@contextlib.contextmanager
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def in_env(prefix: Prefix) -> Generator[None, None, None]:
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directory = helpers.environment_dir(ENVIRONMENT_DIR, C.DEFAULT)
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envdir = prefix.path(directory)
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with envcontext(get_env_patch(envdir)):
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yield
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def install_environment(
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prefix: Prefix,
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version: str,
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additional_dependencies: Sequence[str],
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) -> None:
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helpers.assert_version_default('dart', version)
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envdir = prefix.path(helpers.environment_dir(ENVIRONMENT_DIR, version))
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bin_dir = os.path.join(envdir, 'bin')
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def _install_dir(prefix_p: Prefix, pub_cache: str) -> None:
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dart_env = {**os.environ, 'PUB_CACHE': pub_cache}
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with open(prefix_p.path('pubspec.yaml')) as f:
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pubspec_contents = yaml_load(f)
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helpers.run_setup_cmd(prefix_p, ('dart', 'pub', 'get'), env=dart_env)
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for executable in pubspec_contents['executables']:
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helpers.run_setup_cmd(
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prefix_p,
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(
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'dart', 'compile', 'exe',
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'--output', os.path.join(bin_dir, win_exe(executable)),
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prefix_p.path('bin', f'{executable}.dart'),
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),
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env=dart_env,
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)
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with clean_path_on_failure(envdir):
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os.makedirs(bin_dir)
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with tempfile.TemporaryDirectory() as tmp:
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_install_dir(prefix, tmp)
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for dep_s in additional_dependencies:
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with tempfile.TemporaryDirectory() as dep_tmp:
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dep, _, version = dep_s.partition(':')
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if version:
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dep_cmd: Tuple[str, ...] = (dep, '--version', version)
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else:
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dep_cmd = (dep,)
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helpers.run_setup_cmd(
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prefix,
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('dart', 'pub', 'cache', 'add', *dep_cmd),
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env={**os.environ, 'PUB_CACHE': dep_tmp},
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)
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# try and find the 'pubspec.yaml' that just got added
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for root, _, filenames in os.walk(dep_tmp):
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if 'pubspec.yaml' in filenames:
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with tempfile.TemporaryDirectory() as copied:
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pkg = os.path.join(copied, 'pkg')
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shutil.copytree(root, pkg)
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_install_dir(Prefix(pkg), dep_tmp)
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break
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else:
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raise AssertionError(
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f'could not find pubspec.yaml for {dep_s}',
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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):
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return helpers.run_xargs(hook, hook.cmd, file_args, color=color)
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