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from __future__ import absolute_import

from __future__ import unicode_literals

import contextlib

import io

import os.path

from collections import OrderedDict

from aspy.yaml import ordered_dump

from aspy.yaml import ordered_load

import pre_commit.constants as C

from pre_commit.clientlib.validate_config import CONFIG_JSON_SCHEMA

from pre_commit.clientlib.validate_config import validate_config_extra

from pre_commit.clientlib.validate_manifest import load_manifest

from pre_commit.jsonschema_extensions import apply_defaults

from pre_commit.util import cmd_output

from pre_commit.util import copy_tree_to_path

from pre_commit.util import cwd

from testing.util import get_head_sha

from testing.util import get_resource_path

def git_dir(tempdir_factory):

path = tempdir_factory.get()

with cwd(path):

cmd_output('git', 'init')

return path

def make_repo(tempdir_factory, repo_source):

path = git_dir(tempdir_factory)

copy_tree_to_path(get_resource_path(repo_source), path)

with cwd(path):

cmd_output('git', 'add', '.')

cmd_output('git', 'commit', '-m', 'Add hooks')

return path

@contextlib.contextmanager

def modify_manifest(path):

"""Modify the manifest yielded by this context to write to

.pre-commit-hooks.yaml.

"""

manifest_path = os.path.join(path, C.MANIFEST_FILE)

manifest = ordered_load(io.open(manifest_path).read())

yield manifest

with io.open(manifest_path, 'w') as manifest_file:

manifest_file.write(ordered_dump(manifest, **C.YAML_DUMP_KWARGS))

cmd_output(

'git', 'commit', '-am', 'update .pre-commit-hooks.yaml', cwd=path,

)

@contextlib.contextmanager

def modify_config(path='.', commit=True):

"""Modify the config yielded by this context to write to

.pre-commit-config.yaml

"""

config_path = os.path.join(path, C.CONFIG_FILE)

config = ordered_load(io.open(config_path).read())

yield config

with io.open(config_path, 'w', encoding='UTF-8') as config_file:

config_file.write(ordered_dump(config, **C.YAML_DUMP_KWARGS))

if commit:

cmd_output('git', 'commit', '-am', 'update config', cwd=path)

def config_with_local_hooks():

return OrderedDict((

('repo', 'local'),

('hooks', [OrderedDict((

('id', 'do_not_commit'),

('name', 'Block if "DO NOT COMMIT" is found'),

('entry', 'DO NOT COMMIT'),

('language', 'pcre'),

('files', '^(.*)$'),

))])

))

def make_config_from_repo(

repo_path, sha=None, hooks=None, check=True, legacy=False,

filename = C.MANIFEST_FILE_LEGACY if legacy else C.MANIFEST_FILE

manifest = load_manifest(os.path.join(repo_path, filename))

config = OrderedDict((

('repo', repo_path),

('sha', sha or get_head_sha(repo_path)),

(

'hooks',

hooks or [OrderedDict((('id', hook['id']),)) for hook in manifest],

))

if check:

wrapped_config = apply_defaults([config], CONFIG_JSON_SCHEMA)

validate_config_extra(wrapped_config)

return wrapped_config[0]

else:

return config

def read_config(directory, config_file=C.CONFIG_FILE):

config_path = os.path.join(directory, config_file)

config = ordered_load(io.open(config_path).read())

return config

def write_config(directory, config, config_file=C.CONFIG_FILE):

if type(config) is not list:

assert type(config) is OrderedDict

config = [config]

with io.open(os.path.join(directory, config_file), 'w') as outfile:

outfile.write(ordered_dump(config, **C.YAML_DUMP_KWARGS))

def add_config_to_repo(git_path, config, config_file=C.CONFIG_FILE):

write_config(git_path, config, config_file=config_file)

with cwd(git_path):

cmd_output('git', 'add', config_file)

cmd_output('git', 'commit', '-m', 'Add hooks config')

return git_path

def make_consuming_repo(tempdir_factory, repo_source):

path = make_repo(tempdir_factory, repo_source)

config = make_config_from_repo(path)

git_path = git_dir(tempdir_factory)

return add_config_to_repo(git_path, config)

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