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Þ'¯°ÌME[YéïĵÂCå½ Ué©Áû'Ê9%eÔðNU”ë‘ÌsD3/®+UI˜9h.WC”빓$#:pz:YÓ ¿xž* ³$Í +$kñAŠ‹†¢ Uê>¸)_š¬÷©ßAÂÔb9ÇU ¯¾á•9¯ÏÏ÷O÷¼¼Fähal1‰3Ì[Ïr•´UCksNÐ] R‘¸¥H+§Šé†c©vÖÞ0iÓ76s†î!§=ß ¼~Ô'°Ãmäoäš³ªøi1úÉ)³yV8 CLÄØÁ‘WYïi€H6ÖÑiámø^ÈY´°Ñ7¥Û*—Ñ©L«Qƒï—Ùrÿ ›£Ð*š¸ˆL©ˆ$ˆ ÷¾D§9È®«qbqC)–ˆïv´çñsÑVT­Ø, <àïºÀO«Jý·õ àfPìð .wFšir´þ’2_Y *Æ€x\« ì€9š@ Ž|F⇥ˆkZ@hÖÄ0t¿-<“‹qµ¾*ZL¤Ú)&BJpÓF5=$„at*Zš$’ÑtdûÝRI1 2Ž‰$€$I$#‰SÞ’Hë¬ï;Á$¡t$’`<(ñÇt)$‡Ð.Êf¢X’Kt=Éé$‚ˆªè¢oÝëòI%Rgcª÷ŠyI%¡‰ÿ !ñ)´õ $¤ Ô’IIGÿÙimport functools import re import string import typing as t if t.TYPE_CHECKING: import typing_extensions as te class HasHTML(te.Protocol): def __html__(self) -> str: pass __version__ = "2.1.2" _strip_comments_re = re.compile(r"", re.DOTALL) _strip_tags_re = re.compile(r"<.*?>", re.DOTALL) def _simple_escaping_wrapper(name: str) -> t.Callable[..., "Markup"]: orig = getattr(str, name) @functools.wraps(orig) def wrapped(self: "Markup", *args: t.Any, **kwargs: t.Any) -> "Markup": args = _escape_argspec(list(args), enumerate(args), self.escape) # type: ignore _escape_argspec(kwargs, kwargs.items(), self.escape) return self.__class__(orig(self, *args, **kwargs)) return wrapped class Markup(str): """A string that is ready to be safely inserted into an HTML or XML document, either because it was escaped or because it was marked safe. Passing an object to the constructor converts it to text and wraps it to mark it safe without escaping. To escape the text, use the :meth:`escape` class method instead. >>> Markup("Hello, World!") Markup('Hello, World!') >>> Markup(42) Markup('42') >>> Markup.escape("Hello, World!") Markup('Hello <em>World</em>!') This implements the ``__html__()`` interface that some frameworks use. Passing an object that implements ``__html__()`` will wrap the output of that method, marking it safe. >>> class Foo: ... def __html__(self): ... return 'foo' ... >>> Markup(Foo()) Markup('foo') This is a subclass of :class:`str`. It has the same methods, but escapes their arguments and returns a ``Markup`` instance. >>> Markup("%s") % ("foo & bar",) Markup('foo & bar') >>> Markup("Hello ") + "" Markup('Hello <foo>') """ __slots__ = () def __new__( cls, base: t.Any = "", encoding: t.Optional[str] = None, errors: str = "strict" ) -> "Markup": if hasattr(base, "__html__"): base = base.__html__() if encoding is None: return super().__new__(cls, base) return super().__new__(cls, base, encoding, errors) def __html__(self) -> "Markup": return self def __add__(self, other: t.Union[str, "HasHTML"]) -> "Markup": if isinstance(other, str) or hasattr(other, "__html__"): return self.__class__(super().__add__(self.escape(other))) return NotImplemented def __radd__(self, other: t.Union[str, "HasHTML"]) -> "Markup": if isinstance(other, str) or hasattr(other, "__html__"): return self.escape(other).__add__(self) return NotImplemented def __mul__(self, num: "te.SupportsIndex") -> "Markup": if isinstance(num, int): return self.__class__(super().__mul__(num)) return NotImplemented __rmul__ = __mul__ def __mod__(self, arg: t.Any) -> "Markup": if isinstance(arg, tuple): # a tuple of arguments, each wrapped arg = tuple(_MarkupEscapeHelper(x, self.escape) for x in arg) elif hasattr(type(arg), "__getitem__") and not isinstance(arg, str): # a mapping of arguments, wrapped arg = _MarkupEscapeHelper(arg, self.escape) else: # a single argument, wrapped with the helper and a tuple arg = (_MarkupEscapeHelper(arg, self.escape),) return self.__class__(super().__mod__(arg)) def __repr__(self) -> str: return f"{self.__class__.__name__}({super().__repr__()})" def join(self, seq: t.Iterable[t.Union[str, "HasHTML"]]) -> "Markup": return self.__class__(super().join(map(self.escape, seq))) join.__doc__ = str.join.__doc__ def split( # type: ignore self, sep: t.Optional[str] = None, maxsplit: int = -1 ) -> t.List["Markup"]: return [self.__class__(v) for v in super().split(sep, maxsplit)] split.__doc__ = str.split.__doc__ def rsplit( # type: ignore self, sep: t.Optional[str] = None, maxsplit: int = -1 ) -> t.List["Markup"]: return [self.__class__(v) for v in super().rsplit(sep, maxsplit)] rsplit.__doc__ = str.rsplit.__doc__ def splitlines(self, keepends: bool = False) -> t.List["Markup"]: # type: ignore return [self.__class__(v) for v in super().splitlines(keepends)] splitlines.__doc__ = str.splitlines.__doc__ def unescape(self) -> str: """Convert escaped markup back into a text string. This replaces HTML entities with the characters they represent. >>> Markup("Main » About").unescape() 'Main » About' """ from html import unescape return unescape(str(self)) def striptags(self) -> str: """:meth:`unescape` the markup, remove tags, and normalize whitespace to single spaces. >>> Markup("Main »\tAbout").striptags() 'Main » About' """ # Use two regexes to avoid ambiguous matches. value = _strip_comments_re.sub("", self) value = _strip_tags_re.sub("", value) value = " ".join(value.split()) return Markup(value).unescape() @classmethod def escape(cls, s: t.Any) -> "Markup": """Escape a string. Calls :func:`escape` and ensures that for subclasses the correct type is returned. """ rv = escape(s) if rv.__class__ is not cls: return cls(rv) return rv for method in ( "__getitem__", "capitalize", "title", "lower", "upper", "replace", "ljust", "rjust", "lstrip", "rstrip", "center", "strip", "translate", "expandtabs", "swapcase", "zfill", ): locals()[method] = _simple_escaping_wrapper(method) del method def partition(self, sep: str) -> t.Tuple["Markup", "Markup", "Markup"]: l, s, r = super().partition(self.escape(sep)) cls = self.__class__ return cls(l), cls(s), cls(r) def rpartition(self, sep: str) -> t.Tuple["Markup", "Markup", "Markup"]: l, s, r = super().rpartition(self.escape(sep)) cls = self.__class__ return cls(l), cls(s), cls(r) def format(self, *args: t.Any, **kwargs: t.Any) -> "Markup": formatter = EscapeFormatter(self.escape) return self.__class__(formatter.vformat(self, args, kwargs)) def __html_format__(self, format_spec: str) -> "Markup": if format_spec: raise ValueError("Unsupported format specification for Markup.") return self class EscapeFormatter(string.Formatter): __slots__ = ("escape",) def __init__(self, escape: t.Callable[[t.Any], Markup]) -> None: self.escape = escape super().__init__() def format_field(self, value: t.Any, format_spec: str) -> str: if hasattr(value, "__html_format__"): rv = value.__html_format__(format_spec) elif hasattr(value, "__html__"): if format_spec: raise ValueError( f"Format specifier {format_spec} given, but {type(value)} does not" " define __html_format__. A class that defines __html__ must define" " __html_format__ to work with format specifiers." ) rv = value.__html__() else: # We need to make sure the format spec is str here as # otherwise the wrong callback methods are invoked. rv = string.Formatter.format_field(self, value, str(format_spec)) return str(self.escape(rv)) _ListOrDict = t.TypeVar("_ListOrDict", list, dict) def _escape_argspec( obj: _ListOrDict, iterable: t.Iterable[t.Any], escape: t.Callable[[t.Any], Markup] ) -> _ListOrDict: """Helper for various string-wrapped functions.""" for key, value in iterable: if isinstance(value, str) or hasattr(value, "__html__"): obj[key] = escape(value) return obj class _MarkupEscapeHelper: """Helper for :meth:`Markup.__mod__`.""" __slots__ = ("obj", "escape") def __init__(self, obj: t.Any, escape: t.Callable[[t.Any], Markup]) -> None: self.obj = obj self.escape = escape def __getitem__(self, item: t.Any) -> "_MarkupEscapeHelper": return _MarkupEscapeHelper(self.obj[item], self.escape) def __str__(self) -> str: return str(self.escape(self.obj)) def __repr__(self) -> str: return str(self.escape(repr(self.obj))) def __int__(self) -> int: return int(self.obj) def __float__(self) -> float: return float(self.obj) # circular import try: from ._speedups import escape as escape from ._speedups import escape_silent as escape_silent from ._speedups import soft_str as soft_str except ImportError: from ._native import escape as escape from ._native import escape_silent as escape_silent # noqa: F401 from ._native import soft_str as soft_str # noqa: F401