def _get_placeholder(current_page, page, context, name):
from django.core.cache import cache
placeholder_cache = getattr(current_page, '_tmp_placeholders_cache', {})
if page.pk in placeholder_cache:
placeholder = placeholder_cache[page.pk].get(name, None)
if placeholder:
return placeholder
placeholder_cache[page.pk] = {}
placeholders = page.rescan_placeholders().values()
fetch_placeholders = []
request = context['request']
if not get_cms_setting('PLACEHOLDER_CACHE') or (hasattr(request, 'toolbar') and request.toolbar.edit_mode):
fetch_placeholders = placeholders
else:
for placeholder in placeholders:
cache_key = placeholder.get_cache_key(get_language())
cached_value = cache.get(cache_key)
if not cached_value is None:
restore_sekizai_context(context, cached_value['sekizai'])
placeholder.content_cache = cached_value['content']
else:
fetch_placeholders.append(placeholder)
placeholder.cache_checked = True
if fetch_placeholders:
assign_plugins(context['request'], fetch_placeholders, page.get_template(), get_language())
for placeholder in placeholders:
placeholder_cache[page.pk][placeholder.slot] = placeholder
placeholder.page = page
current_page._tmp_placeholders_cache = placeholder_cache
placeholder = placeholder_cache[page.pk].get(name, None)
if page.application_urls and not placeholder:
raise PlaceholderNotFound(
'"%s" placeholder not found in an apphook application. Please use a static placeholder instead.' % name)
return placeholder
def _get_placeholder(current_page, page, context, name):
placeholder_cache = getattr(current_page, '_tmp_placeholders_cache', {})
if page.pk in placeholder_cache:
placeholder = placeholder_cache[page.pk].get(name, None)
if placeholder:
return placeholder
placeholder_cache[page.pk] = {}
placeholders = page.rescan_placeholders().values()
assign_plugins(context['request'], placeholders, get_language())
for placeholder in placeholders:
placeholder_cache[page.pk][placeholder.slot] = placeholder
placeholder.page = page
current_page._tmp_placeholders_cache = placeholder_cache
placeholder = placeholder_cache[page.pk].get(name, None)
if page.application_urls and not placeholder:
raise PlaceholderNotFound(
'"%s" placeholder not found in an apphook application. Please use stacks instead.'
% name)
return placeholder
def _get_page_placeholder(self, context, page, slot):
"""
Returns a Placeholder instance attached to page that
matches the given slot.
A PlaceholderNotFound is raised if the placeholder is
not present on the page template.
"""
placeholder_cache = self._placeholders_by_page_cache
if page.pk not in placeholder_cache:
# Instead of loading plugins for this one placeholder
# try and load them for all placeholders on the page.
self._preload_placeholders_for_page(page)
try:
placeholder = placeholder_cache[page.pk][slot]
except KeyError:
message = '"%s" placeholder not found' % slot
raise PlaceholderNotFound(message)
return placeholder
