Files
pre-commit/pre_commit/runner.py
2017-10-20 13:04:33 -07:00

65 lines
1.7 KiB
Python

from __future__ import unicode_literals
import os.path
from cached_property import cached_property
from pre_commit import git
from pre_commit.clientlib import load_config
from pre_commit.repository import Repository
from pre_commit.store import Store
class Runner(object):
"""A `Runner` represents the execution context of the hooks. Notably the
repository under test.
"""
def __init__(self, git_root, config_file, store_dir=None):
self.git_root = git_root
self.config_file = config_file
self._store_dir = store_dir
@classmethod
def create(cls, config_file):
"""Creates a Runner by doing the following:
- Finds the root of the current git repository
- chdir to that directory
"""
root = git.get_root()
os.chdir(root)
return cls(root, config_file)
@cached_property
def git_dir(self):
return git.get_git_dir(self.git_root)
@cached_property
def config_file_path(self):
return os.path.join(self.git_root, self.config_file)
@cached_property
def config(self):
return load_config(self.config_file_path)
@cached_property
def repositories(self):
"""Returns a tuple of the configured repositories."""
repos = self.config['repos']
return tuple(Repository.create(x, self.store) for x in repos)
def get_hook_path(self, hook_type):
return os.path.join(self.git_dir, 'hooks', hook_type)
@cached_property
def pre_commit_path(self):
return self.get_hook_path('pre-commit')
@cached_property
def pre_push_path(self):
return self.get_hook_path('pre-push')
@cached_property
def store(self):
return Store(self._store_dir)