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Recover from invalid python virtualenvs

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This commit is contained in:
Anthony Sottile 2017-07-19 14:23:39 -07:00
parent 64dd893ab4
commit cff98a634d
15 changed files with 76 additions and 6 deletions
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23
tests/repository_test.py
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@ -600,6 +600,29 @@ def test_control_c_control_c_on_install(tempdir_factory, store):
assert retv == 0
def test_invalidated_virtualenv(tempdir_factory, store):
# A cached virtualenv may become invalidated if the system python upgrades
# This should not cause every hook in that virtualenv to fail.
path = make_repo(tempdir_factory, 'python_hooks_repo')
config = make_config_from_repo(path)
repo = Repository.create(config, store)
# Simulate breaking of the virtualenv
repo.require_installed()
version = python.get_default_version()
libdir = repo._cmd_runner.path('py_env-{}'.format(version), 'lib', version)
paths = [
os.path.join(libdir, p) for p in ('site.py', 'site.pyc', '__pycache__')
]
cmd_output('rm', '-rf', *paths)
# pre-commit should rebuild the virtualenv and it should be runnable
repo = Repository.create(config, store)
hook = repo.hooks[0][1]
retv, stdout, stderr = repo.run_hook(hook, [])
assert retv == 0
@pytest.mark.integration
def test_really_long_file_paths(tempdir_factory, store):
base_path = tempdir_factory.get()