Each set of additional dependencies gets its own env

This commit is contained in:
Anthony Sottile
2018-02-24 14:29:32 -08:00
parent 29715c9268
commit b827694520
5 changed files with 62 additions and 112 deletions

View File

@@ -33,9 +33,9 @@ def _update_repo(repo_config, runner, tags_only):
Args:
repo_config - A config for a repository
"""
repo = Repository.create(repo_config, runner.store)
repo_path = runner.store.clone(repo_config['repo'], repo_config['sha'])
with cwd(repo._repo_path):
with cwd(repo_path):
cmd_output('git', 'fetch')
tag_cmd = ('git', 'describe', 'origin/master', '--tags')
if tags_only:
@@ -57,7 +57,7 @@ def _update_repo(repo_config, runner, tags_only):
new_repo = Repository.create(new_config, runner.store)
# See if any of our hooks were deleted with the new commits
hooks = {hook['id'] for hook in repo.repo_config['hooks']}
hooks = {hook['id'] for hook in repo_config['hooks']}
hooks_missing = hooks - (hooks & set(new_repo.manifest_hooks))
if hooks_missing:
raise RepositoryCannotBeUpdatedError(

View File

@@ -7,7 +7,6 @@ import os
import pipes
import shutil
import sys
from collections import defaultdict
import pkg_resources
from cached_property import cached_property
@@ -149,22 +148,11 @@ class Repository(object):
else:
return cls(config, store)
@cached_property
def _repo_path(self):
return self.store.clone(
self.repo_config['repo'], self.repo_config['sha'],
)
@cached_property
def _prefix(self):
return Prefix(self._repo_path)
def _prefix_from_deps(self, language_name, deps):
return self._prefix
@cached_property
def manifest_hooks(self):
manifest_path = os.path.join(self._repo_path, C.MANIFEST_FILE)
repo, sha = self.repo_config['repo'], self.repo_config['sha']
repo_path = self.store.clone(repo, sha)
manifest_path = os.path.join(repo_path, C.MANIFEST_FILE)
return {hook['id']: hook for hook in load_manifest(manifest_path)}
@cached_property
@@ -185,21 +173,25 @@ class Repository(object):
for hook in self.repo_config['hooks']
)
@cached_property
def _prefix_from_deps(self, language_name, deps):
repo, sha = self.repo_config['repo'], self.repo_config['sha']
return Prefix(self.store.clone(repo, sha, deps))
def _venvs(self):
deps_dict = defaultdict(_UniqueList)
for _, hook in self.hooks:
deps_dict[(hook['language'], hook['language_version'])].update(
hook['additional_dependencies'],
)
ret = []
for (language, version), deps in deps_dict.items():
ret.append((self._prefix, language, version, deps))
for _, hook in self.hooks:
language = hook['language']
version = hook['language_version']
deps = hook['additional_dependencies']
ret.append((
self._prefix_from_deps(language, deps),
language, version, deps,
))
return tuple(ret)
def require_installed(self):
if not self.__installed:
_install_all(self._venvs, self.repo_config['repo'], self.store)
_install_all(self._venvs(), self.repo_config['repo'], self.store)
self.__installed = True
def run_hook(self, hook, file_args):
@@ -237,19 +229,6 @@ class LocalRepository(Repository):
for hook in self.repo_config['hooks']
)
@cached_property
def _venvs(self):
ret = []
for _, hook in self.hooks:
language = hook['language']
version = hook['language_version']
deps = hook['additional_dependencies']
ret.append((
self._prefix_from_deps(language, deps),
language, version, deps,
))
return tuple(ret)
class MetaRepository(LocalRepository):
@cached_property
@@ -303,14 +282,3 @@ class MetaRepository(LocalRepository):
(hook['id'], _hook(self.manifest_hooks[hook['id']], hook))
for hook in self.repo_config['hooks']
)
class _UniqueList(list):
def __init__(self):
self._set = set()
def update(self, obj):
for item in obj:
if item not in self._set:
self._set.add(item)
self.append(item)

View File

@@ -72,9 +72,9 @@ class Store(object):
with contextlib.closing(sqlite3.connect(tmpfile)) as db:
db.executescript(
'CREATE TABLE repos ('
' repo CHAR(255) NOT NULL,'
' ref CHAR(255) NOT NULL,'
' path CHAR(255) NOT NULL,'
' repo TEXT NOT NULL,'
' ref TEXT NOT NULL,'
' path TEXT NOT NULL,'
' PRIMARY KEY (repo, ref)'
');',
)
@@ -101,15 +101,17 @@ class Store(object):
self._create()
self.__created = True
def _new_repo(self, repo, ref, make_strategy):
def _new_repo(self, repo, ref, deps, make_strategy):
self.require_created()
if deps:
repo = '{}:{}'.format(repo, ','.join(sorted(deps)))
def _get_result():
# Check if we already exist
with sqlite3.connect(self.db_path) as db:
result = db.execute(
'SELECT path FROM repos WHERE repo = ? AND ref = ?',
[repo, ref],
(repo, ref),
).fetchone()
if result:
return result[0]
@@ -137,7 +139,7 @@ class Store(object):
)
return directory
def clone(self, repo, ref):
def clone(self, repo, ref, deps=()):
"""Clone the given url and checkout the specific ref."""
def clone_strategy(directory):
cmd_output(
@@ -151,7 +153,7 @@ class Store(object):
env=no_git_env(),
)
return self._new_repo(repo, ref, clone_strategy)
return self._new_repo(repo, ref, deps, clone_strategy)
def make_local(self, deps):
def make_local_strategy(directory):
@@ -172,8 +174,7 @@ class Store(object):
_git_cmd('commit', '--no-edit', '--no-gpg-sign', '-n', '-minit')
return self._new_repo(
'local:{}'.format(','.join(sorted(deps))), C.LOCAL_REPO_VERSION,
make_local_strategy,
'local', C.LOCAL_REPO_VERSION, deps, make_local_strategy,
)
@cached_property

View File

@@ -165,12 +165,6 @@ def log_info_mock():
yield mck
@pytest.fixture
def log_warning_mock():
with mock.patch.object(logging.getLogger('pre_commit'), 'warning') as mck:
yield mck
class FakeStream(object):
def __init__(self):
self.data = io.BytesIO()

View File

@@ -433,7 +433,7 @@ def test_venvs(tempdir_factory, store):
path = make_repo(tempdir_factory, 'python_hooks_repo')
config = make_config_from_repo(path)
repo = Repository.create(config, store)
venv, = repo._venvs
venv, = repo._venvs()
assert venv == (mock.ANY, 'python', python.get_default_version(), [])
@@ -443,50 +443,33 @@ def test_additional_dependencies(tempdir_factory, store):
config = make_config_from_repo(path)
config['hooks'][0]['additional_dependencies'] = ['pep8']
repo = Repository.create(config, store)
venv, = repo._venvs
venv, = repo._venvs()
assert venv == (mock.ANY, 'python', python.get_default_version(), ['pep8'])
@pytest.mark.integration
def test_additional_dependencies_duplicated(
tempdir_factory, store, log_warning_mock,
):
path = make_repo(tempdir_factory, 'ruby_hooks_repo')
config = make_config_from_repo(path)
deps = ['thread_safe', 'tins', 'thread_safe']
config['hooks'][0]['additional_dependencies'] = deps
repo = Repository.create(config, store)
venv, = repo._venvs
assert venv == (mock.ANY, 'ruby', 'default', ['thread_safe', 'tins'])
@pytest.mark.integration
def test_additional_python_dependencies_installed(tempdir_factory, store):
path = make_repo(tempdir_factory, 'python_hooks_repo')
config = make_config_from_repo(path)
config['hooks'][0]['additional_dependencies'] = ['mccabe']
repo = Repository.create(config, store)
repo.require_installed()
with python.in_env(repo._prefix, 'default'):
output = cmd_output('pip', 'freeze', '-l')[1]
assert 'mccabe' in output
@pytest.mark.integration
def test_additional_dependencies_roll_forward(tempdir_factory, store):
path = make_repo(tempdir_factory, 'python_hooks_repo')
config = make_config_from_repo(path)
# Run the repo once without additional_dependencies
repo = Repository.create(config, store)
repo.require_installed()
# Now run it with additional_dependencies
config['hooks'][0]['additional_dependencies'] = ['mccabe']
repo = Repository.create(config, store)
repo.require_installed()
# We should see our additional dependency installed
with python.in_env(repo._prefix, 'default'):
output = cmd_output('pip', 'freeze', '-l')[1]
assert 'mccabe' in output
config1 = make_config_from_repo(path)
repo1 = Repository.create(config1, store)
repo1.require_installed()
(prefix1, _, version1, _), = repo1._venvs()
with python.in_env(prefix1, version1):
assert 'mccabe' not in cmd_output('pip', 'freeze', '-l')[1]
# Make another repo with additional dependencies
config2 = make_config_from_repo(path)
config2['hooks'][0]['additional_dependencies'] = ['mccabe']
repo2 = Repository.create(config2, store)
repo2.require_installed()
(prefix2, _, version2, _), = repo2._venvs()
with python.in_env(prefix2, version2):
assert 'mccabe' in cmd_output('pip', 'freeze', '-l')[1]
# should not have affected original
with python.in_env(prefix1, version1):
assert 'mccabe' not in cmd_output('pip', 'freeze', '-l')[1]
@xfailif_windows_no_ruby
@@ -499,7 +482,8 @@ def test_additional_ruby_dependencies_installed(
config['hooks'][0]['additional_dependencies'] = ['thread_safe', 'tins']
repo = Repository.create(config, store)
repo.require_installed()
with ruby.in_env(repo._prefix, 'default'):
(prefix, _, version, _), = repo._venvs()
with ruby.in_env(prefix, version):
output = cmd_output('gem', 'list', '--local')[1]
assert 'thread_safe' in output
assert 'tins' in output
@@ -516,7 +500,8 @@ def test_additional_node_dependencies_installed(
config['hooks'][0]['additional_dependencies'] = ['lodash']
repo = Repository.create(config, store)
repo.require_installed()
with node.in_env(repo._prefix, 'default'):
(prefix, _, version, _), = repo._venvs()
with node.in_env(prefix, version):
output = cmd_output('npm', 'ls', '-g')[1]
assert 'lodash' in output
@@ -532,7 +517,8 @@ def test_additional_golang_dependencies_installed(
config['hooks'][0]['additional_dependencies'] = deps
repo = Repository.create(config, store)
repo.require_installed()
binaries = os.listdir(repo._prefix.path(
(prefix, _, _, _), = repo._venvs()
binaries = os.listdir(prefix.path(
helpers.environment_dir(golang.ENVIRONMENT_DIR, 'default'), 'bin',
))
# normalize for windows
@@ -598,8 +584,9 @@ def test_control_c_control_c_on_install(tempdir_factory, store):
repo.run_hook(hook, [])
# Should have made an environment, however this environment is broken!
envdir = 'py_env-{}'.format(python.get_default_version())
assert repo._prefix.exists(envdir)
(prefix, _, version, _), = repo._venvs()
envdir = 'py_env-{}'.format(version)
assert prefix.exists(envdir)
# However, it should be perfectly runnable (reinstall after botched
# install)
@@ -616,8 +603,8 @@ def test_invalidated_virtualenv(tempdir_factory, store):
# Simulate breaking of the virtualenv
repo.require_installed()
version = python.get_default_version()
libdir = repo._prefix.path('py_env-{}'.format(version), 'lib', version)
(prefix, _, version, _), = repo._venvs()
libdir = prefix.path('py_env-{}'.format(version), 'lib', version)
paths = [
os.path.join(libdir, p) for p in ('site.py', 'site.pyc', '__pycache__')
]