""" Soup Sieve. A CSS selector filter for BeautifulSoup4. MIT License Copyright (c) 2018 Isaac Muse Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. """ from __future__ import annotations from .__meta__ import __version__, __version_info__ # noqa: F401 from . import css_parser as cp from . import css_match as cm from . import css_types as ct from .util import DEBUG, SelectorSyntaxError # noqa: F401 import bs4 # type: ignore[import] from typing import Any, Iterator, Iterable __all__ = ( 'DEBUG', 'SelectorSyntaxError', 'SoupSieve', 'closest', 'compile', 'filter', 'iselect', 'match', 'select', 'select_one' ) SoupSieve = cm.SoupSieve def compile( # noqa: A001 pattern: str, namespaces: dict[str, str] | None = None, flags: int = 0, *, custom: dict[str, str] | None = None, **kwargs: Any ) -> cm.SoupSieve: """Compile CSS pattern.""" if isinstance(pattern, SoupSieve): if flags: raise ValueError("Cannot process 'flags' argument on a compiled selector list") elif namespaces is not None: raise ValueError("Cannot process 'namespaces' argument on a compiled selector list") elif custom is not None: raise ValueError("Cannot process 'custom' argument on a compiled selector list") return pattern return cp._cached_css_compile( pattern, ct.Namespaces(namespaces) if namespaces is not None else namespaces, ct.CustomSelectors(custom) if custom is not None else custom, flags ) def purge() -> None: """Purge cached patterns.""" cp._purge_cache() def closest( select: str, tag: bs4.Tag, namespaces: dict[str, str] | None = None, flags: int = 0, *, custom: dict[str, str] | None = None, **kwargs: Any ) -> bs4.Tag: """Match closest ancestor.""" return compile(select, namespaces, flags, **kwargs).closest(tag) def match( select: str, tag: bs4.Tag, namespaces: dict[str, str] | None = None, flags: int = 0, *, custom: dict[str, str] | None = None, **kwargs: Any ) -> bool: """Match node.""" return compile(select, namespaces, flags, **kwargs).match(tag) def filter( # noqa: A001 select: str, iterable: Iterable[bs4.Tag], namespaces: dict[str, str] | None = None, flags: int = 0, *, custom: dict[str, str] | None = None, **kwargs: Any ) -> list[bs4.Tag]: """Filter list of nodes.""" return compile(select, namespaces, flags, **kwargs).filter(iterable) def select_one( select: str, tag: bs4.Tag, namespaces: dict[str, str] | None = None, flags: int = 0, *, custom: dict[str, str] | None = None, **kwargs: Any ) -> bs4.Tag: """Select a single tag.""" return compile(select, namespaces, flags, **kwargs).select_one(tag) def select( select: str, tag: bs4.Tag, namespaces: dict[str, str] | None = None, limit: int = 0, flags: int = 0, *, custom: dict[str, str] | None = None, **kwargs: Any ) -> list[bs4.Tag]: """Select the specified tags.""" return compile(select, namespaces, flags, **kwargs).select(tag, limit) def iselect( select: str, tag: bs4.Tag, namespaces: dict[str, str] | None = None, limit: int = 0, flags: int = 0, *, custom: dict[str, str] | None = None, **kwargs: Any ) -> Iterator[bs4.Tag]: """Iterate the specified tags.""" yield from compile(select, namespaces, flags, **kwargs).iselect(tag, limit) def escape(ident: str) -> str: """Escape identifier.""" return cp.escape(ident)