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lib64
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python3.8
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site-packages
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pre_commit
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from __future__ import annotations import functools import logging import re import shlex import sys from typing import Any from typing import NamedTuple from typing import Sequence import cfgv from identify.identify import ALL_TAGS import pre_commit.constants as C from pre_commit.all_languages import language_names from pre_commit.errors import FatalError from pre_commit.yaml import yaml_load logger = logging.getLogger('pre_commit') check_string_regex = cfgv.check_and(cfgv.check_string, cfgv.check_regex) HOOK_TYPES = ( 'commit-msg', 'post-checkout', 'post-commit', 'post-merge', 'post-rewrite', 'pre-commit', 'pre-merge-commit', 'pre-push', 'pre-rebase', 'prepare-commit-msg', ) # `manual` is not invoked by any installed git hook. See #719 STAGES = (*HOOK_TYPES, 'manual') def check_type_tag(tag: str) -> None: if tag not in ALL_TAGS: raise cfgv.ValidationError( f'Type tag {tag!r} is not recognized. ' f'Try upgrading identify and pre-commit?', ) def parse_version(s: str) -> tuple[int, ...]: """poor man's version comparison""" return tuple(int(p) for p in s.split('.')) def check_min_version(version: str) -> None: if parse_version(version) > parse_version(C.VERSION): raise cfgv.ValidationError( f'pre-commit version {version} is required but version ' f'{C.VERSION} is installed. ' f'Perhaps run `pip install --upgrade pre-commit`.', ) _STAGES = { 'commit': 'pre-commit', 'merge-commit': 'pre-merge-commit', 'push': 'pre-push', } def transform_stage(stage: str) -> str: return _STAGES.get(stage, stage) class StagesMigrationNoDefault(NamedTuple): key: str default: Sequence[str] def check(self, dct: dict[str, Any]) -> None: if self.key not in dct: return val = dct[self.key] cfgv.check_array(cfgv.check_any)(val) val = [transform_stage(v) for v in val] cfgv.check_array(cfgv.check_one_of(STAGES))(val) def apply_default(self, dct: dict[str, Any]) -> None: if self.key not in dct: return dct[self.key] = [transform_stage(v) for v in dct[self.key]] def remove_default(self, dct: dict[str, Any]) -> None: raise NotImplementedError class StagesMigration(StagesMigrationNoDefault): def apply_default(self, dct: dict[str, Any]) -> None: dct.setdefault(self.key, self.default) super().apply_default(dct) 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(language_names)), cfgv.Optional('alias', cfgv.check_string, ''), cfgv.Optional('files', check_string_regex, ''), cfgv.Optional('exclude', check_string_regex, '^$'), cfgv.Optional('types', cfgv.check_array(check_type_tag), ['file']), cfgv.Optional('types_or', cfgv.check_array(check_type_tag), []), cfgv.Optional('exclude_types', cfgv.check_array(check_type_tag), []), cfgv.Optional( 'additional_dependencies', cfgv.check_array(cfgv.check_string), [], ), cfgv.Optional('args', cfgv.check_array(cfgv.check_string), []), cfgv.Optional('always_run', cfgv.check_bool, False), cfgv.Optional('fail_fast', cfgv.check_bool, False), cfgv.Optional('pass_filenames', cfgv.check_bool, True), cfgv.Optional('description', cfgv.check_string, ''), cfgv.Optional('language_version', cfgv.check_string, C.DEFAULT), cfgv.Optional('log_file', cfgv.check_string, ''), cfgv.Optional('minimum_pre_commit_version', cfgv.check_string, '0'), cfgv.Optional('require_serial', cfgv.check_bool, False), StagesMigration('stages', []), cfgv.Optional('verbose', cfgv.check_bool, False), ) MANIFEST_SCHEMA = cfgv.Array(MANIFEST_HOOK_DICT) class InvalidManifestError(FatalError): pass load_manifest = functools.partial( cfgv.load_from_filename, schema=MANIFEST_SCHEMA, load_strategy=yaml_load, exc_tp=InvalidManifestError, ) LOCAL = 'local' META = 'meta' class WarnMutableRev(cfgv.Conditional): def check(self, dct: dict[str, Any]) -> None: super().check(dct) if self.key in dct: rev = dct[self.key] if '.' not in rev and not re.match(r'^[a-fA-F0-9]+$', rev): logger.warning( f'The {self.key!r} field of repo {dct["repo"]!r} ' f'appears to be a mutable reference ' f'(moving tag / branch). Mutable references are never ' f'updated after first install and are not supported. ' f'See https://pre-commit.com/#using-the-latest-version-for-a-repository ' # noqa: E501 f'for more details. ' f'Hint: `pre-commit autoupdate` often fixes this.', ) class OptionalSensibleRegexAtHook(cfgv.OptionalNoDefault): def check(self, dct: dict[str, Any]) -> None: super().check(dct) if '/*' in dct.get(self.key, ''): logger.warning( f'The {self.key!r} field in hook {dct.get("id")!r} is a ' f"regex, not a glob -- matching '/*' probably isn't what you " f'want here', ) for fwd_slash_re in (r'[\\/]', r'[\/]', r'[/\\]'): if fwd_slash_re in dct.get(self.key, ''): logger.warning( fr'pre-commit normalizes slashes in the {self.key!r} ' fr'field in hook {dct.get("id")!r} to forward slashes, ' fr'so you can use / instead of {fwd_slash_re}', ) class OptionalSensibleRegexAtTop(cfgv.OptionalNoDefault): def check(self, dct: dict[str, Any]) -> None: super().check(dct) if '/*' in dct.get(self.key, ''): logger.warning( f'The top-level {self.key!r} field is a regex, not a glob -- ' f"matching '/*' probably isn't what you want here", ) for fwd_slash_re in (r'[\\/]', r'[\/]', r'[/\\]'): if fwd_slash_re in dct.get(self.key, ''): logger.warning( fr'pre-commit normalizes the slashes in the top-level ' fr'{self.key!r} field to forward slashes, so you ' fr'can use / instead of {fwd_slash_re}', ) def _entry(modname: str) -> str: """the hook `entry` is passed through `shlex.split()` by the command runner, so to prevent issues with spaces and backslashes (on Windows) it must be quoted here. """ return f'{shlex.quote(sys.executable)} -m pre_commit.meta_hooks.{modname}' def warn_unknown_keys_root( extra: Sequence[str], orig_keys: Sequence[str], dct: dict[str, str], ) -> None: logger.warning(f'Unexpected key(s) present at root: {", ".join(extra)}') def warn_unknown_keys_repo( extra: Sequence[str], orig_keys: Sequence[str], dct: dict[str, str], ) -> None: logger.warning( f'Unexpected key(s) present on {dct["repo"]}: {", ".join(extra)}', ) _meta = ( ( 'check-hooks-apply', ( ('name', 'Check hooks apply to the repository'), ('files', f'^{re.escape(C.CONFIG_FILE)}$'), ('entry', _entry('check_hooks_apply')), ), ), ( 'check-useless-excludes', ( ('name', 'Check for useless excludes'), ('files', f'^{re.escape(C.CONFIG_FILE)}$'), ('entry', _entry('check_useless_excludes')), ), ), ( 'identity', ( ('name', 'identity'), ('verbose', True), ('entry', _entry('identity')), ), ), ) class NotAllowed(cfgv.OptionalNoDefault): def check(self, dct: dict[str, Any]) -> None: if self.key in dct: raise cfgv.ValidationError(f'{self.key!r} cannot be overridden') META_HOOK_DICT = cfgv.Map( 'Hook', 'id', cfgv.Required('id', cfgv.check_string), cfgv.Required('id', cfgv.check_one_of(tuple(k for k, _ in _meta))), # language must be system cfgv.Optional('language', cfgv.check_one_of({'system'}), 'system'), # entry cannot be overridden NotAllowed('entry', cfgv.check_any), *( # default to the hook definition for the meta hooks cfgv.ConditionalOptional(key, cfgv.check_any, value, 'id', hook_id) for hook_id, values in _meta for key, value in values ), *( # default to the "manifest" parsing cfgv.OptionalNoDefault(item.key, item.check_fn) # these will always be defaulted above if item.key in {'name', 'language', 'entry'} else item for item in MANIFEST_HOOK_DICT.items ), ) 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' if item.key != 'stages' ), StagesMigrationNoDefault('stages', []), OptionalSensibleRegexAtHook('files', cfgv.check_string), OptionalSensibleRegexAtHook('exclude', cfgv.check_string), ) LOCAL_HOOK_DICT = cfgv.Map( 'Hook', 'id', *MANIFEST_HOOK_DICT.items, OptionalSensibleRegexAtHook('files', cfgv.check_string), OptionalSensibleRegexAtHook('exclude', cfgv.check_string), ) CONFIG_REPO_DICT = cfgv.Map( 'Repository', 'repo', cfgv.Required('repo', cfgv.check_string), cfgv.ConditionalRecurse( 'hooks', cfgv.Array(CONFIG_HOOK_DICT), 'repo', cfgv.NotIn(LOCAL, META), ), cfgv.ConditionalRecurse( 'hooks', cfgv.Array(LOCAL_HOOK_DICT), 'repo', LOCAL, ), cfgv.ConditionalRecurse( 'hooks', cfgv.Array(META_HOOK_DICT), 'repo', META, ), WarnMutableRev( 'rev', cfgv.check_string, condition_key='repo', condition_value=cfgv.NotIn(LOCAL, META), ensure_absent=True, ), cfgv.WarnAdditionalKeys(('repo', 'rev', 'hooks'), warn_unknown_keys_repo), ) DEFAULT_LANGUAGE_VERSION = cfgv.Map( 'DefaultLanguageVersion', None, cfgv.NoAdditionalKeys(language_names), *(cfgv.Optional(x, cfgv.check_string, C.DEFAULT) for x in language_names), ) CONFIG_SCHEMA = cfgv.Map( 'Config', None, cfgv.RequiredRecurse('repos', cfgv.Array(CONFIG_REPO_DICT)), cfgv.Optional( 'default_install_hook_types', cfgv.check_array(cfgv.check_one_of(HOOK_TYPES)), ['pre-commit'], ), cfgv.OptionalRecurse( 'default_language_version', DEFAULT_LANGUAGE_VERSION, {}, ), StagesMigration('default_stages', STAGES), cfgv.Optional('files', check_string_regex, ''), cfgv.Optional('exclude', check_string_regex, '^$'), cfgv.Optional('fail_fast', cfgv.check_bool, False), cfgv.Optional( 'minimum_pre_commit_version', cfgv.check_and(cfgv.check_string, check_min_version), '0', ), cfgv.WarnAdditionalKeys( ( 'repos', 'default_install_hook_types', 'default_language_version', 'default_stages', 'files', 'exclude', 'fail_fast', 'minimum_pre_commit_version', 'ci', ), warn_unknown_keys_root, ), OptionalSensibleRegexAtTop('files', cfgv.check_string), OptionalSensibleRegexAtTop('exclude', cfgv.check_string), # do not warn about configuration for pre-commit.ci cfgv.OptionalNoDefault('ci', cfgv.check_type(dict)), ) class InvalidConfigError(FatalError): pass load_config = functools.partial( cfgv.load_from_filename, schema=CONFIG_SCHEMA, load_strategy=yaml_load, exc_tp=InvalidConfigError, )
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