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Code Issues 32 Releases Wiki Activity

Fixed #27083 -- Added support for weak ETags.

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Kevin Christopher Henry
2016-09-01 09:32:20 -04:00
committed by Tim Graham
parent e7abb5ba86
commit 4ef0e019b7
11 changed files with 130 additions and 68 deletions
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8
docs/topics/conditional-view-processing.txt
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@@ -66,6 +66,14 @@ last time the resource was modified, or ``None`` if the resource doesn't
exist. The function passed to the ``etag`` decorator should return a string
representing the `ETag`_ for the resource, or ``None`` if it doesn't exist.
.. versionchanged:: 1.11
In older versions, the return value from ``etag_func()`` was interpreted as
the unquoted part of the ETag. That prevented the use of weak ETags, which
have the format ``W/"<string>"``. The return value is now expected to be
an ETag as defined by the specification (including the quotes), although
the unquoted format is also accepted for backwards compatibility.
Using this feature usefully is probably best explained with an example.
Suppose you have this pair of models, representing a simple blog system::