MAJOR=4
MINOR=49
DEVNAME=tty49
  $   ˆl–Ðz¾”d*hŠm@·q—îå1hßÊ„hL¾ÿÉÁÇ ?÷     # -*- coding: utf-8 -*-
"""Built-in template filters used with the ``|`` operator."""
import math
import random
import re
import warnings
from collections import namedtuple
from inspect import getattr_static
from itertools import chain
from itertools import groupby

from markupsafe import escape
from markupsafe import Markup
from markupsafe import soft_unicode

from ._compat import abc
from ._compat import imap
from ._compat import iteritems
from ._compat import string_types
from ._compat import text_type
from .exceptions import FilterArgumentError
from .runtime import Undefined
from .utils import htmlsafe_json_dumps
from .utils import pformat
from .utils import unicode_urlencode
from .utils import urlize

_word_re = re.compile(r"\w+", re.UNICODE)
_word_beginning_split_re = re.compile(r"([-\s\(\{\[\<]+)", re.UNICODE)


def contextfilter(f):
    """Decorator for marking context dependent filters. The current
    :class:`Context` will be passed as first argument.
    """
    f.contextfilter = True
    return f


def evalcontextfilter(f):
    """Decorator for marking eval-context dependent filters.  An eval
    context object is passed as first argument.  For more information
    about the eval context, see :ref:`eval-context`.

    .. versionadded:: 2.4
    """
    f.evalcontextfilter = True
    return f


def environmentfilter(f):
    """Decorator for marking environment dependent filters.  The current
    :class:`Environment` is passed to the filter as first argument.
    """
    f.environmentfilter = True
    return f


def ignore_case(value):
    """For use as a postprocessor for :func:`make_attrgetter`. Converts strings
    to lowercase and returns other types as-is."""
    return value.lower() if isinstance(value, string_types) else value


def make_attrgetter(environment, attribute, postprocess=None, default=None):
    """Returns a callable that looks up the given attribute from a
    passed object with the rules of the environment.  Dots are allowed
    to access attributes of attributes.  Integer parts in paths are
    looked up as integers.
    """
    attribute = _prepare_attribute_parts(attribute)

    def attrgetter(item):
        for part in attribute:
            item = environment.getitem(item, part)

            if default and isinstance(item, Undefined):
                item = default

        if postprocess is not None:
            item = postprocess(item)

        return item

    return attrgetter


def make_multi_attrgetter(environment, attribute, postprocess=None):
    """Returns a callable that looks up the given comma separated
    attributes from a passed object with the rules of the environment.
    Dots are allowed to access attributes of each attribute.  Integer
    parts in paths are looked up as integers.

    The value returned by the returned callable is a list of extracted
    attribute values.

    Examples of attribute: "attr1,attr2", "attr1.inner1.0,attr2.inner2.0", etc.
    """
    attribute_parts = (
        attribute.split(",") if isinstance(attribute, string_types) else [attribute]
    )
    attribute = [
        _prepare_attribute_parts(attribute_part) for attribute_part in attribute_parts
    ]

    def attrgetter(item):
        items = [None] * len(attribute)
        for i, attribute_part in enumerate(attribute):
            item_i = item
            for part in attribute_part:
                item_i = environment.getitem(item_i, part)

            if postprocess is not None:
                item_i = postprocess(item_i)

            items[i] = item_i
        return items

    return attrgetter


def _prepare_attribute_parts(attr):
    if attr is None:
        return []
    elif isinstance(attr, string_types):
        return [int(x) if x.isdigit() else x for x in attr.split(".")]
    else:
        return [attr]


def do_forceescape(value):
    """Enforce HTML escaping.  This will probably double escape variables."""
    if hasattr(value, "__html__"):
        value = value.__html__()
    return esc