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from __future__ import absolute_import
from __future__ import unicode_literals
import argparse
import collections
import functools
import cfgv
from aspy.yaml import ordered_load
from identify.identify import ALL_TAGS
import pre_commit.constants as C
from pre_commit.error_handler import FatalError
from pre_commit.languages.all import all_languages
def check_type_tag(tag):
if tag not in ALL_TAGS:
raise cfgv.ValidationError(
'Type tag {!r} is not recognized. '
'Try upgrading identify and pre-commit?'.format(tag),
)
def _make_argparser(filenames_help):
parser = argparse.ArgumentParser()
parser.add_argument('filenames', nargs='*', help=filenames_help)
parser.add_argument('-V', '--version', action='version', version=C.VERSION)
return parser
MANIFEST_HOOK_DICT = cfgv.Map(
'Hook', 'id',
cfgv.Required('id', cfgv.check_string),
cfgv.Required('name', cfgv.check_string),
cfgv.Required('entry', cfgv.check_string),
cfgv.Required('language', cfgv.check_one_of(all_languages)),
cfgv.Optional(
'files', cfgv.check_and(cfgv.check_string, cfgv.check_regex), '',
),
cfgv.Optional(
'exclude', cfgv.check_and(cfgv.check_string, cfgv.check_regex), '^$',
),
cfgv.Optional('types', cfgv.check_array(check_type_tag), ['file']),
cfgv.Optional('exclude_types', cfgv.check_array(check_type_tag), []),
cfgv.Optional(
'additional_dependencies', cfgv.check_array(cfgv.check_string), [],
),
cfgv.Optional('args', cfgv.check_array(cfgv.check_string), []),
cfgv.Optional('always_run', cfgv.check_bool, False),
cfgv.Optional('pass_filenames', cfgv.check_bool, True),
cfgv.Optional('description', cfgv.check_string, ''),
cfgv.Optional('language_version', cfgv.check_string, 'default'),
cfgv.Optional('log_file', cfgv.check_string, ''),
cfgv.Optional('minimum_pre_commit_version', cfgv.check_string, '0'),
cfgv.Optional('stages', cfgv.check_array(cfgv.check_one_of(C.STAGES)), []),
cfgv.Optional('verbose', cfgv.check_bool, False),
)
MANIFEST_SCHEMA = cfgv.Array(MANIFEST_HOOK_DICT)
class InvalidManifestError(FatalError):
pass
load_manifest = functools.partial(
cfgv.load_from_filename,
schema=MANIFEST_SCHEMA,
load_strategy=ordered_load,
exc_tp=InvalidManifestError,
)
def validate_manifest_main(argv=None):
parser = _make_argparser('Manifest filenames.')
args = parser.parse_args(argv)
ret = 0
for filename in args.filenames:
try:
load_manifest(filename)
except InvalidManifestError as e:
print(e)
ret = 1
return ret
_LOCAL_SENTINEL = 'local'
_META_SENTINEL = 'meta'
class MigrateShaToRev(object):
@staticmethod
def _cond(key):
return cfgv.Conditional(
key, cfgv.check_string,
condition_key='repo',
condition_value=cfgv.NotIn(_LOCAL_SENTINEL, _META_SENTINEL),
ensure_absent=True,
)
def check(self, dct):
if dct.get('repo') in {_LOCAL_SENTINEL, _META_SENTINEL}:
self._cond('rev').check(dct)
self._cond('sha').check(dct)
elif 'sha' in dct and 'rev' in dct:
raise cfgv.ValidationError('Cannot specify both sha and rev')
elif 'sha' in dct:
self._cond('sha').check(dct)
else:
self._cond('rev').check(dct)
def apply_default(self, dct):
if 'sha' in dct:
dct['rev'] = dct.pop('sha')
def remove_default(self, dct):
pass
CONFIG_HOOK_DICT = cfgv.Map(
'Hook', 'id',
cfgv.Required('id', cfgv.check_string),
# All keys in manifest hook dict are valid in a config hook dict, but
# are optional.
# No defaults are provided here as the config is merged on top of the
# manifest.
*[
cfgv.OptionalNoDefault(item.key, item.check_fn)
for item in MANIFEST_HOOK_DICT.items
if item.key != 'id'
]
)
CONFIG_REPO_DICT = cfgv.Map(
'Repository', 'repo',
cfgv.Required('repo', cfgv.check_string),
cfgv.RequiredRecurse('hooks', cfgv.Array(CONFIG_HOOK_DICT)),
MigrateShaToRev(),
)
CONFIG_SCHEMA = cfgv.Map(
'Config', None,
cfgv.RequiredRecurse('repos', cfgv.Array(CONFIG_REPO_DICT)),
cfgv.Optional('exclude', cfgv.check_regex, '^$'),
cfgv.Optional('fail_fast', cfgv.check_bool, False),
)
def is_local_repo(repo_entry):
return repo_entry['repo'] == _LOCAL_SENTINEL
def is_meta_repo(repo_entry):
return repo_entry['repo'] == _META_SENTINEL
class InvalidConfigError(FatalError):
pass
def ordered_load_normalize_legacy_config(contents):
data = ordered_load(contents)
if isinstance(data, list):
# TODO: Once happy, issue a deprecation warning and instructions
return collections.OrderedDict([('repos', data)])
else:
return data
load_config = functools.partial(
cfgv.load_from_filename,
schema=CONFIG_SCHEMA,
load_strategy=ordered_load_normalize_legacy_config,
exc_tp=InvalidConfigError,
)
def validate_config_main(argv=None):
parser = _make_argparser('Config filenames.')
args = parser.parse_args(argv)
ret = 0
for filename in args.filenames:
try:
load_config(filename)
except InvalidConfigError as e:
print(e)
ret = 1
return ret