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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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12
pre_commit/repository.py
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@ -36,7 +36,7 @@ def _state_filename(cmd_runner, venv):
)
def _read_installed_state(cmd_runner, venv):
def _read_state(cmd_runner, venv):
filename = _state_filename(cmd_runner, venv)
if not os.path.exists(filename):
return None
@ -44,7 +44,7 @@ def _read_installed_state(cmd_runner, venv):
return json.loads(io.open(filename).read())
def _write_installed_state(cmd_runner, venv, state):
def _write_state(cmd_runner, venv, state):
state_filename = _state_filename(cmd_runner, venv)
staging = state_filename + 'staging'
with io.open(staging, 'w') as state_file:
@ -57,8 +57,10 @@ def _installed(cmd_runner, language_name, language_version, additional_deps):
language = languages[language_name]
venv = environment_dir(language.ENVIRONMENT_DIR, language_version)
return (
venv is None or
_read_installed_state(cmd_runner, venv) == _state(additional_deps)
venv is None or (
_read_state(cmd_runner, venv) == _state(additional_deps) and
language.healthy(cmd_runner, language_version)
)
)
@ -89,7 +91,7 @@ def _install_all(venvs, repo_url):
language.install_environment(cmd_runner, version, deps)
# Write our state to indicate we're installed
state = _state(deps)
_write_installed_state(cmd_runner, venv, state)
_write_state(cmd_runner, venv, state)
def _validate_minimum_version(hook):