def get_modified_since(request, last_modified):
"""
Checks if a Last-Modified timestamp is newer than the requested
HTTP_IF_MODIFIED_SINCE from the browser. This can be used to bail
early if no updates have been performed since the last access to the
page.
This can take a DateField, datetime, HTTP date-formatted string, or
a function for the last_modified timestamp. If a function is passed,
it will only be called if the HTTP_IF_MODIFIED_SINCE header is present.
"""
if_modified_since = request.META.get('HTTP_IF_MODIFIED_SINCE', None)
if if_modified_since is not None:
if six.callable(last_modified):
last_modified = last_modified()
return (if_modified_since == http_date(last_modified))
return False
def get_modified_since(request, last_modified):
"""
Checks if a Last-Modified timestamp is newer than the requested
HTTP_IF_MODIFIED_SINCE from the browser. This can be used to bail
early if no updates have been performed since the last access to the
page.
This can take a DateField, datetime, HTTP date-formatted string, or
a function for the last_modified timestamp. If a function is passed,
it will only be called if the HTTP_IF_MODIFIED_SINCE header is present.
"""
if_modified_since = request.META.get('HTTP_IF_MODIFIED_SINCE', None)
if if_modified_since is not None:
if six.callable(last_modified):
last_modified = last_modified()
return (if_modified_since == http_date(last_modified))
return False
def set_last_modified(response, timestamp):
"""
Sets the Last-Modified header in a response based on a DateTimeField.
"""
response['Last-Modified'] = http_date(timestamp)
def test_http_date_with_unix_timestamp(self):
"""Testing http_date with unix timestamp"""
unix_timestamp = '1466424000'
self.assertEqual(dates.http_date(unix_timestamp), unix_timestamp)
def test_http_date_with_date_string(self):
"""Testing http_date with date string"""
date = '20/06/2016'
self.assertEqual(dates.http_date(date), date)
def test_http_date_with_datetime(self):
"""Testing http_date with datetime"""
date_time = datetime.datetime(2016, 8, 26, 3, 3, 26, 123456)
self.assertEqual(dates.http_date(date_time),
'Fri, 26 Aug 2016 03:03:26 GMT')
def set_last_modified(response, timestamp):
"""
Sets the Last-Modified header in a response based on a DateTimeField.
"""
response['Last-Modified'] = http_date(timestamp)
def test_http_date_with_unix_timestamp(self):
"""Testing http_date with unix timestamp"""
unix_timestamp = '1466424000'
self.assertEqual(http_date(unix_timestamp), unix_timestamp)
def test_http_date_with_date_string(self):
"""Testing http_date with date string"""
date = '20/06/2016'
self.assertEqual(http_date(date), date)
def test_http_date_with_datetime(self):
"""Testing http_date with datetime"""
date_time = datetime(2016, 8, 26, 3, 3, 26, 123456)
self.assertEqual(http_date(date_time),
'Fri, 26 Aug 2016 03:03:26 GMT')
