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from ..datastructures import CharsetAccept
from ..datastructures import LanguageAccept
from ..datastructures import MIMEAccept
from ..http import parse_accept_header
from ..utils import cached_property
class AcceptMixin(object):
"""A mixin for classes with an :attr:`~BaseResponse.environ` attribute
to get all the HTTP accept headers as
:class:`~werkzeug.datastructures.Accept` objects (or subclasses
thereof).
"""
@cached_property
def accept_mimetypes(self):
"""List of mimetypes this client supports as
:class:`~werkzeug.datastructures.MIMEAccept` object.
"""
return parse_accept_header(self.environ.get("HTTP_ACCEPT"), MIMEAccept)
@cached_property
def accept_charsets(self):
"""List of charsets this client supports as
:class:`~werkzeug.datastructures.CharsetAccept` object.
"""
return parse_accept_header(
self.environ.get("HTTP_ACCEPT_CHARSET"), CharsetAccept
)
@cached_property
def accept_encodings(self):
"""List of encodings this client accepts. Encodings in a HTTP term
are compression encodings such as gzip. For charsets have a look at
:attr:`accept_charset`.
"""
return parse_accept_header(self.environ.get("HTTP_ACCEPT_ENCODING"))
@cached_property
def accept_languages(self):
"""List of languages this client accepts as
:class:`~werkzeug.datastructures.LanguageAccept` object.
.. versionchanged 0.5
In previous versions this was a regular
:class:`~werkzeug.datastructures.Accept` object.
"""
return parse_accept_header(
self.environ.get("HTTP_ACCEPT_LANGUAGE"), LanguageAccept
)
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