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Diffstat (limited to 'django/utils/cache.py')
| -rw-r--r-- | django/utils/cache.py | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/django/utils/cache.py b/django/utils/cache.py index b888cef179..5eba302ebe 100644 --- a/django/utils/cache.py +++ b/django/utils/cache.py @@ -80,8 +80,17 @@ def patch_response_headers(response, cache_timeout=None): if not response.has_header('Expires'): expires = now + datetime.timedelta(0, cache_timeout) response['Expires'] = expires.strftime('%a, %d %b %Y %H:%M:%S GMT') + if cache_timeout < 0: + cache_timeout = 0 # Can't have max-age negative patch_cache_control(response, max_age=cache_timeout) +def add_never_cache_headers(response): + """ + Add headers to a response to indicate that + a page should never be cached. + """ + patch_response_headers(response, cache_timeout=-1) + def patch_vary_headers(response, newheaders): """ Adds (or updates) the "Vary" header in the given HttpResponse object. |