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--- contrib/python/Werkzeug/py3/werkzeug/sansio/request.py (index)
+++ contrib/python/Werkzeug/py3/werkzeug/sansio/request.py (working tree)
@@ -204,6 +204,28 @@ class Request:
return f"{self.path}?{_to_str(self.query_string, self.url_charset)}"
@property
+ def is_xhr(self):
+ """True if the request was triggered via a JavaScript XMLHttpRequest.
+ This only works with libraries that support the ``X-Requested-With``
+ header and set it to "XMLHttpRequest". Libraries that do that are
+ prototype, jQuery and Mochikit and probably some more.
+ .. deprecated:: 0.13
+ ``X-Requested-With`` is not standard and is unreliable. You
+ may be able to use :attr:`AcceptMixin.accept_mimetypes`
+ instead.
+ """
+ import warnings
+ warnings.warn(
+ "'Request.is_xhr' is deprecated as of version 0.13 and will"
+ " be removed in version 1.0. The 'X-Requested-With' header"
+ " is not standard and is unreliable. You may be able to use"
+ " 'accept_mimetypes' instead.",
+ DeprecationWarning,
+ stacklevel=2,
+ )
+ return self.environ.get("HTTP_X_REQUESTED_WITH", "").lower() == "xmlhttprequest"
+
+ @property
def is_secure(self) -> bool:
"""``True`` if the request was made with a secure protocol
(HTTPS or WSS).
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