def get_placeholder_content(context, request, current_page, name, inherit, default):
edit_mode = getattr(request, 'toolbar', None) and getattr(request.toolbar, 'edit_mode')
pages = [current_page]
# don't display inherited plugins in edit mode, so that the user doesn't
# mistakenly edit/delete them. This is a fix for issue #1303. See the discussion
# there for possible enhancements
if inherit and not edit_mode:
pages = chain([current_page], list(reversed(current_page.get_cached_ancestors())))
for page in pages:
placeholder = _get_placeholder(current_page, page, context, name)
if placeholder is None:
continue
if not edit_mode and get_cms_setting('PLACEHOLDER_CACHE'):
if hasattr(placeholder, 'content_cache'):
return mark_safe(placeholder.content_cache)
if not hasattr(placeholder, 'cache_checked'):
cached_value = get_placeholder_cache(placeholder, get_language())
if cached_value is not None:
restore_sekizai_context(context, cached_value['sekizai'])
return mark_safe(cached_value['content'])
if not get_plugins(request, placeholder, page.get_template()):
continue
content = render_placeholder(placeholder, context, name)
if content:
return content
# if we reach this point, we have an empty or non-existant placeholder
# call _get_placeholder again to get the placeholder properly rendered
# in frontend editing
placeholder = _get_placeholder(current_page, current_page, context, name)
return render_placeholder(placeholder, context, name, default=default)
def get_placeholder_content(context, request, current_page, name, inherit,
default):
from django.core.cache import cache
edit_mode = getattr(request, 'toolbar', None) and getattr(
request.toolbar, 'edit_mode')
pages = [current_page]
# don't display inherited plugins in edit mode, so that the user doesn't
# mistakenly edit/delete them. This is a fix for issue #1303. See the discussion
# there for possible enhancements
if inherit and not edit_mode:
pages = chain([current_page],
current_page.get_cached_ancestors(ascending=True))
for page in pages:
placeholder = _get_placeholder(current_page, page, context, name)
if placeholder is None:
continue
if not edit_mode and get_cms_setting('PLACEHOLDER_CACHE'):
if hasattr(placeholder, 'content_cache'):
return mark_safe(placeholder.content_cache)
if not hasattr(placeholder, 'cache_checked'):
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'])
return mark_safe(cached_value['content'])
if not get_plugins(request, placeholder, page.get_template()):
continue
content = render_placeholder(placeholder, context, name)
if content:
return content
# if we reach this point, we have an empty or non-existant placeholder
# call _get_placeholder again to get the placeholder properly rendered
# in frontend editing
placeholder = _get_placeholder(current_page, current_page, context, name)
return render_placeholder(placeholder, context, name, default=default)
def get_plugins_to_render(self, placeholder, language, template):
from cms.utils.plugins import get_plugins
plugins = get_plugins(
request=self.request,
placeholder=placeholder,
template=template,
lang=language,
)
return plugins
def render_tag(self,
context,
name,
page_lookup,
varname,
extra_bits,
nodelist=None):
"""
Retrieves the placeholder's plugins and set them as a variable in the template context.
If the placeholder is empty, render the block as fallback content and return the
resulting HTML.
If the placholder is editable, the edit script and markup are added to the HTML content.
"""
content = ""
request = context.get("request")
if request:
page = _get_page_by_untyped_arg(page_lookup, request,
get_site_id(None))
try:
placeholder = page.placeholders.get(slot=name)
except ObjectDoesNotExist:
context[varname] = []
return ""
else:
context[varname] = [
cms_plugin.get_plugin_instance()[0]
for cms_plugin in get_plugins(
request, placeholder, template=page.get_template())
]
# Default content if there is no plugins in the placeholder
if not context[varname] and nodelist:
content = nodelist.render(context)
# Add the edit script and markup to the content, only if the placeholder is editable
# and the visited page is the one on which the placeholder is declared.
toolbar = get_toolbar_from_request(request)
if placeholder.page == request.current_page and toolbar.edit_mode_active:
renderer = toolbar.get_content_renderer()
data = renderer.get_editable_placeholder_context(placeholder,
page=page)
data["content"] = content
content = renderer.placeholder_edit_template.format(**data)
return content
def get_nodes(self, request):
nodes = []
glasfaser_cms = 'ungleich_page/glasfaser_cms_page.html'
if (request and request.current_page
and request.current_page.get_template() == glasfaser_cms):
template_context = {
"request": request,
}
placeholder_name_list = [
'Top Section', 'Middle Section', 'Glasfaser Services',
'Glasfaser About', 'Contact Section'
]
plugins_list = [
'SectionWithImage', 'UngelichContactUsSection',
'UngelichTextSection', 'Service', 'About'
]
for placeholder_name in placeholder_name_list:
placeholder = _get_placeholder(request.current_page,
request.current_page,
template_context,
placeholder_name)
plugins = get_plugins(request, placeholder,
request.current_page.get_template())
for plugin in plugins:
if type(plugin).__name__ in plugins_list:
section_hash = request.build_absolute_uri()
if hasattr(plugin, 'menu_text'):
menu_text = plugin.menu_text
if menu_text.strip() == '':
continue
menu_words = menu_text.split()
if len(menu_words) > 0:
section_hash = '{}#{}'.format(
section_hash, menu_words[0])
else:
continue
newnode = NavigationNode(menu_text,
url=section_hash,
id="{}-{}".format(
request.current_page.id,
plugin.id))
nodes.append(newnode)
return nodes
def media_plugins(context, post):
"""
Extract :py:class:`djangocms_blog.media.base.MediaAttachmentPluginMixin`
plugins from the ``media`` placeholder of the provided post.
They can be rendered with ``render_plugin`` templatetag:
.. code-block: python
{% media_plugins post as media_plugins %}
{% for plugin in media_plugins %}{% render_plugin plugin %}{% endfor %}
:param context: template context
:type context: dict
:param post: post instance
:type post: :py:class:`djangocms_blog.models.Post`
:return: list of :py:class:`djangocms_blog.media.base.MediaAttachmentPluginMixin` plugins
:rtype: List[djangocms_blog.media.base.MediaAttachmentPluginMixin]
"""
request = context["request"]
if post.media.get_plugins().exists():
return get_plugins(request, post.media, None)
return []
def render_placeholder(placeholder,
context_to_copy,
name_fallback="Placeholder",
lang=None,
default=None):
"""
Renders plugins for a placeholder on the given page using shallow copies of the
given context, and returns a string containing the rendered output.
"""
if not placeholder:
return
from cms.utils.plugins import get_plugins
context = context_to_copy
context.push()
request = context['request']
if not hasattr(request, 'placeholder'):
request.placeholders = []
request.placeholders.append(placeholder)
if hasattr(placeholder, 'content_cache'):
return mark_safe(placeholder.content_cache)
page = placeholder.page if placeholder else None
# It's kind of duplicate of the similar call in `get_plugins`, but it's required
# to have a valid language in this function for `get_fallback_languages` to work
if lang:
save_language = lang
else:
lang = get_language_from_request(request)
save_language = lang
# Prepend frontedit toolbar output if applicable
edit = False
toolbar = getattr(request, 'toolbar', None)
if getattr(toolbar, 'edit_mode', False):
edit = True
if edit:
from cms.middleware.toolbar import toolbar_plugin_processor
processors = (toolbar_plugin_processor, )
else:
processors = None
from django.core.cache import cache
if get_cms_setting('PLACEHOLDER_CACHE'):
cache_key = placeholder.get_cache_key(lang)
if not edit and placeholder and not hasattr(placeholder,
'cache_checked'):
cached_value = cache.get(cache_key)
if not cached_value is None:
restore_sekizai_context(context, cached_value['sekizai'])
return mark_safe(cached_value['content'])
if page:
template = page.template
else:
template = None
plugins = [
plugin
for plugin in get_plugins(request, placeholder, template, lang=lang)
]
# Add extra context as defined in settings, but do not overwrite existing context variables,
# since settings are general and database/template are specific
# TODO this should actually happen as a plugin context processor, but these currently overwrite
# existing context -- maybe change this order?
slot = getattr(placeholder, 'slot', None)
extra_context = {}
if slot:
extra_context = get_placeholder_conf("extra_context", slot, template,
{})
for key, value in extra_context.items():
if key not in context:
context[key] = value
content = []
watcher = Watcher(context)
content.extend(render_plugins(plugins, context, placeholder, processors))
toolbar_content = ''
if edit:
if not hasattr(request.toolbar, 'placeholders'):
request.toolbar.placeholders = {}
if placeholder.pk not in request.toolbar.placeholders:
request.toolbar.placeholders[placeholder.pk] = placeholder
if edit:
toolbar_content = mark_safe(
render_placeholder_toolbar(placeholder, context, name_fallback,
save_language))
if content:
content = mark_safe("".join(content))
elif default:
#should be nodelist from a template
content = mark_safe(default.render(context_to_copy))
else:
content = ''
context['content'] = content
context['placeholder'] = toolbar_content
context['edit'] = edit
result = render_to_string("cms/toolbar/content.html", context)
changes = watcher.get_changes()
if placeholder and not edit and placeholder.cache_placeholder and get_cms_setting(
'PLACEHOLDER_CACHE'):
cache.set(cache_key, {
'content': result,
'sekizai': changes
},
get_cms_setting('CACHE_DURATIONS')['content'])
context.pop()
return result
def render_placeholder(placeholder, context_to_copy,
name_fallback="Placeholder", lang=None, default=None, editable=True,
use_cache=True):
"""
Renders plugins for a placeholder on the given page using shallow copies of the
given context, and returns a string containing the rendered output.
Set editable = False to disable front-end editing for this placeholder
during rendering. This is primarily used for the "as" variant of the
render_placeholder tag.
"""
if not placeholder:
return
from cms.utils.plugins import get_plugins
context = context_to_copy
context.push()
request = context['request']
if not hasattr(request, 'placeholders'):
request.placeholders = []
if placeholder.has_change_permission(request):
request.placeholders.append(placeholder)
if hasattr(placeholder, 'content_cache'):
return mark_safe(placeholder.content_cache)
page = placeholder.page if placeholder else None
# It's kind of duplicate of the similar call in `get_plugins`, but it's required
# to have a valid language in this function for `get_fallback_languages` to work
if lang:
save_language = lang
else:
lang = get_language_from_request(request)
save_language = lang
# Prepend frontedit toolbar output if applicable
toolbar = getattr(request, 'toolbar', None)
if getattr(toolbar, 'edit_mode', False) and getattr(placeholder, 'is_editable', True) and editable:
from cms.middleware.toolbar import toolbar_plugin_processor
processors = (toolbar_plugin_processor,)
edit = True
else:
processors = None
edit = False
from django.core.cache import cache
if get_cms_setting('PLACEHOLDER_CACHE') and use_cache:
cache_key = placeholder.get_cache_key(lang)
if not edit and placeholder and not hasattr(placeholder, 'cache_checked'):
cached_value = cache.get(cache_key)
if not cached_value is None:
restore_sekizai_context(context, cached_value['sekizai'])
return mark_safe(cached_value['content'])
if page:
template = page.template
else:
template = None
plugins = [plugin for plugin in get_plugins(request, placeholder, template, lang=lang)]
# Add extra context as defined in settings, but do not overwrite existing context variables,
# since settings are general and database/template are specific
# TODO this should actually happen as a plugin context processor, but these currently overwrite
# existing context -- maybe change this order?
slot = getattr(placeholder, 'slot', None)
extra_context = {}
if slot:
extra_context = get_placeholder_conf("extra_context", slot, template, {})
for key, value in extra_context.items():
if key not in context:
context[key] = value
content = []
watcher = Watcher(context)
content.extend(render_plugins(plugins, context, placeholder, processors))
toolbar_content = ''
if edit and editable:
if not hasattr(request.toolbar, 'placeholders'):
request.toolbar.placeholders = {}
if placeholder.pk not in request.toolbar.placeholders:
request.toolbar.placeholders[placeholder.pk] = placeholder
toolbar_content = mark_safe(render_placeholder_toolbar(placeholder, context, name_fallback, save_language))
if content:
content = mark_safe("".join(content))
elif default:
#should be nodelist from a template
content = mark_safe(default.render(context_to_copy))
else:
content = ''
context['content'] = content
context['placeholder'] = toolbar_content
context['edit'] = edit
result = render_to_string("cms/toolbar/content.html", context)
changes = watcher.get_changes()
if placeholder and not edit and placeholder.cache_placeholder and get_cms_setting('PLACEHOLDER_CACHE') and use_cache:
cache.set(cache_key, {'content': result, 'sekizai': changes}, get_cms_setting('CACHE_DURATIONS')['content'])
context.pop()
return result
def render_placeholder(self, placeholder, context, language=None, page=None,
editable=False, use_cache=False, nodelist=None, width=None):
from sekizai.helpers import Watcher
from cms.utils.plugins import get_plugins
language = language or self.request_language
editable = editable and self._placeholders_are_editable
if use_cache and not editable and placeholder.cache_placeholder:
use_cache = self.placeholder_cache_is_enabled()
else:
use_cache = False
if page:
site_id = page.site_id
template = page.get_template()
else:
site_id = get_site_id(None)
template = None
if use_cache:
cached_value = self._get_cached_placeholder_content(
placeholder=placeholder,
site_id=site_id,
language=language,
)
else:
cached_value = None
if cached_value is not None:
# User has opted to use the cache
# and there is something in the cache
restore_sekizai_context(context, cached_value['sekizai'])
return mark_safe(cached_value['content'])
context.push()
width = width or placeholder.default_width
if width:
context['width'] = width
# Add extra context as defined in settings, but do not overwrite existing context variables,
# since settings are general and database/template are specific
# TODO this should actually happen as a plugin context processor, but these currently overwrite
# existing context -- maybe change this order?
for key, value in placeholder.get_extra_context(template).items():
if key not in context:
context[key] = value
if use_cache:
watcher = Watcher(context)
plugins = get_plugins(
request=self.request,
placeholder=placeholder,
template=template,
lang=language,
)
if plugins:
plugin_content = self.render_plugins(
plugins=plugins,
context=context,
placeholder=placeholder,
editable=editable,
)
placeholder_content = ''.join(plugin_content)
elif nodelist:
# should be nodelist from a template
placeholder_content = nodelist.render(context)
else:
placeholder_content = ''
if use_cache:
content = {
'content': placeholder_content,
'sekizai': watcher.get_changes(),
}
set_placeholder_cache(
placeholder,
lang=language,
site_id=site_id,
content=content,
request=self.request,
)
if editable:
toolbar_content = self.render_editable_placeholder(
placeholder=placeholder,
context=context,
language=language,
)
else:
toolbar_content = ''
rendered_placeholder = RenderedPlaceholder(
placeholder=placeholder,
language=language,
site_id=site_id,
cached=use_cache,
editable=editable,
has_content=bool(placeholder_content),
)
if placeholder.pk not in self._rendered_placeholders:
# First time this placeholder is rendered
if not self.toolbar._cache_disabled:
# The toolbar middleware needs to know if the response
# is to be cached.
# Set the _cache_disabled flag to the value of cache_placeholder
# only if the flag is False (meaning cache is enabled).
self.toolbar._cache_disabled = not use_cache
self._rendered_placeholders[placeholder.pk] = rendered_placeholder
context.pop()
return mark_safe(toolbar_content + placeholder_content)
def render_placeholder(self,
placeholder,
context,
language=None,
page=None,
editable=False,
use_cache=False,
nodelist=None,
width=None):
from sekizai.helpers import Watcher
from cms.utils.plugins import get_plugins
language = language or self.request_language
editable = editable and self._placeholders_are_editable
if use_cache and not editable and placeholder.cache_placeholder:
use_cache = self.placeholder_cache_is_enabled()
else:
use_cache = False
if page:
site_id = page.site_id
template = page.get_template()
else:
site_id = get_site_id(None)
template = None
if use_cache:
cached_value = self._get_cached_placeholder_content(
placeholder=placeholder,
site_id=site_id,
language=language,
)
else:
cached_value = None
if cached_value is not None:
# User has opted to use the cache
# and there is something in the cache
restore_sekizai_context(context, cached_value['sekizai'])
return mark_safe(cached_value['content'])
context.push()
width = width or placeholder.default_width
if width:
context['width'] = width
# Add extra context as defined in settings, but do not overwrite existing context variables,
# since settings are general and database/template are specific
# TODO this should actually happen as a plugin context processor, but these currently overwrite
# existing context -- maybe change this order?
for key, value in placeholder.get_extra_context(template).items():
if key not in context:
context[key] = value
if use_cache:
watcher = Watcher(context)
plugins = get_plugins(
request=self.request,
placeholder=placeholder,
template=template,
lang=language,
)
if plugins:
plugin_content = self.render_plugins(
plugins=plugins,
context=context,
placeholder=placeholder,
editable=editable,
)
placeholder_content = ''.join(plugin_content)
elif nodelist:
# should be nodelist from a template
placeholder_content = nodelist.render(context)
else:
placeholder_content = ''
if use_cache:
content = {
'content': placeholder_content,
'sekizai': watcher.get_changes(),
}
set_placeholder_cache(
placeholder,
lang=language,
site_id=site_id,
content=content,
request=self.request,
)
if editable:
toolbar_content = self.render_editable_placeholder(
placeholder=placeholder,
context=context,
language=language,
)
else:
toolbar_content = ''
rendered_placeholder = RenderedPlaceholder(
placeholder=placeholder,
language=language,
site_id=site_id,
cached=use_cache,
editable=editable,
has_content=bool(placeholder_content),
)
if placeholder.pk not in self._rendered_placeholders:
# First time this placeholder is rendered
if not self.toolbar._cache_disabled:
# The toolbar middleware needs to know if the response
# is to be cached.
# Set the _cache_disabled flag to the value of cache_placeholder
# only if the flag is False (meaning cache is enabled).
self.toolbar._cache_disabled = not use_cache
self._rendered_placeholders[placeholder.pk] = rendered_placeholder
context.pop()
return mark_safe(toolbar_content + placeholder_content)
def render_placeholder(placeholder,
context_to_copy,
name_fallback="Placeholder",
lang=None,
default=None,
editable=True,
use_cache=True):
"""
Renders plugins for a placeholder on the given page using shallow copies of the
given context, and returns a string containing the rendered output.
Set editable = False to disable front-end editing for this placeholder
during rendering. This is primarily used for the "as" variant of the
render_placeholder tag.
"""
from cms.utils.placeholder import get_placeholder_conf, restore_sekizai_context
from cms.utils.plugins import get_plugins
# these are always called before all other plugin context processors
from sekizai.helpers import Watcher
if not placeholder:
return
context = copy(context_to_copy)
context.push()
request = context['request']
if not hasattr(request, 'placeholders'):
request.placeholders = []
if placeholder.has_change_permission(
request) or not placeholder.cache_placeholder:
request.placeholders.append(placeholder)
if hasattr(placeholder, 'content_cache'):
return mark_safe(placeholder.content_cache)
page = placeholder.page if placeholder else None
# It's kind of duplicate of the similar call in `get_plugins`, but it's required
# to have a valid language in this function for `get_fallback_languages` to work
if lang:
save_language = lang
else:
lang = get_language_from_request(request)
save_language = lang
# Prepend frontedit toolbar output if applicable
toolbar = getattr(request, 'toolbar', None)
if (getattr(toolbar, 'edit_mode', False)
and getattr(toolbar, "show_toolbar", False)
and getattr(placeholder, 'is_editable', True) and editable):
from cms.middleware.toolbar import toolbar_plugin_processor
processors = (toolbar_plugin_processor, )
edit = True
else:
processors = None
edit = False
if get_cms_setting('PLACEHOLDER_CACHE') and use_cache:
if not edit and placeholder and not hasattr(placeholder,
'cache_checked'):
cached_value = get_placeholder_cache(placeholder, lang)
if cached_value is not None:
restore_sekizai_context(context, cached_value['sekizai'])
return mark_safe(cached_value['content'])
if page:
template = page.template
else:
template = None
plugins = [
plugin
for plugin in get_plugins(request, placeholder, template, lang=lang)
]
# Add extra context as defined in settings, but do not overwrite existing context variables,
# since settings are general and database/template are specific
# TODO this should actually happen as a plugin context processor, but these currently overwrite
# existing context -- maybe change this order?
slot = getattr(placeholder, 'slot', None)
if slot:
for key, value in get_placeholder_conf("extra_context", slot, template,
{}).items():
if key not in context:
context[key] = value
content = []
watcher = Watcher(context)
content.extend(render_plugins(plugins, context, placeholder, processors))
toolbar_content = ''
if edit and editable:
if not hasattr(request.toolbar, 'placeholder_list'):
request.toolbar.placeholder_list = []
if placeholder not in request.toolbar.placeholder_list:
request.toolbar.placeholder_list.append(placeholder)
toolbar_content = mark_safe(
render_placeholder_toolbar(placeholder, context, name_fallback,
save_language))
if content:
content = mark_safe("".join(content))
elif default:
# should be nodelist from a template
content = mark_safe(default.render(context_to_copy))
else:
content = ''
context['content'] = content
context['placeholder'] = toolbar_content
context['edit'] = edit
result = render_to_string("cms/toolbar/content.html",
flatten_context(context))
changes = watcher.get_changes()
if placeholder and not edit and placeholder.cache_placeholder and get_cms_setting(
'PLACEHOLDER_CACHE') and use_cache:
set_placeholder_cache(placeholder,
lang,
content={
'content': result,
'sekizai': changes
})
context.pop()
return result
def get_plugin(request, model, form_pk):
form_obj = get_object_or_404(model, pk=form_pk)
for plugin in get_plugins(request, form_obj.placeholder, None):
if form_pk == plugin.pk:
return plugin
raise Http404()
def render_placeholder(placeholder, context_to_copy, name_fallback="Placeholder",
lang=None, default=None, editable=True, use_cache=True):
"""
Renders plugins for a placeholder on the given page using shallow copies of the
given context, and returns a string containing the rendered output.
Set editable = False to disable front-end editing for this placeholder
during rendering. This is primarily used for the "as" variant of the
render_placeholder tag.
"""
from cms.utils.placeholder import get_placeholder_conf, restore_sekizai_context
from cms.utils.plugins import get_plugins
# these are always called before all other plugin context processors
from sekizai.helpers import Watcher
if not placeholder:
return
context = copy(context_to_copy)
context.push()
request = context['request']
if not hasattr(request, 'placeholders'):
request.placeholders = {}
# Prepend frontedit toolbar output if applicable
try:
toolbar = getattr(request, 'toolbar', None)
except AttributeError:
toolbar = None
if (toolbar and toolbar.edit_mode and toolbar.show_toolbar and
placeholder.is_editable and editable):
from cms.middleware.toolbar import toolbar_plugin_processor
processors = (toolbar_plugin_processor,)
edit = True
else:
processors = None
edit = False
if edit:
perms = (placeholder.has_change_permission(request) or not placeholder.cache_placeholder)
if not perms or placeholder.slot not in request.placeholders:
request.placeholders[placeholder.slot] = (placeholder, perms)
else:
request.placeholders[placeholder.slot] = (
placeholder, perms and request.placeholders[placeholder.slot][1]
)
else:
request.placeholders[placeholder.slot] = (
placeholder, False
)
if hasattr(placeholder, 'content_cache'):
return mark_safe(placeholder.content_cache)
page = placeholder.page if placeholder else None
if page:
site_id = page.site_id
else:
site_id = get_site_id(None)
# It's kind of duplicate of the similar call in `get_plugins`, but it's required
# to have a valid language in this function for `get_fallback_languages` to work
if lang:
save_language = lang
else:
lang = get_language_from_request(request)
save_language = lang
use_cache = use_cache and not request.user.is_authenticated()
if get_cms_setting('PLACEHOLDER_CACHE') and use_cache:
if not edit and placeholder and not hasattr(placeholder, 'cache_checked'):
cached_value = get_placeholder_cache(placeholder, lang, site_id, request)
if cached_value is not None:
restore_sekizai_context(context, cached_value['sekizai'])
return mark_safe(cached_value['content'])
if page:
template = page.template
else:
template = None
plugins = [plugin for plugin in get_plugins(request, placeholder, template, lang=lang)]
# Add extra context as defined in settings, but do not overwrite existing context variables,
# since settings are general and database/template are specific
# TODO this should actually happen as a plugin context processor, but these currently overwrite
# existing context -- maybe change this order?
slot = getattr(placeholder, 'slot', None)
if slot:
for key, value in get_placeholder_conf("extra_context", slot, template, {}).items():
if key not in context:
context[key] = value
content = []
watcher = Watcher(context)
content.extend(render_plugins(plugins, context, placeholder, processors))
toolbar_content = ''
if edit and editable:
if not hasattr(request.toolbar, 'placeholder_list'):
request.toolbar.placeholder_list = []
if placeholder not in request.toolbar.placeholder_list:
request.toolbar.placeholder_list.append(placeholder)
toolbar_content = mark_safe(render_placeholder_toolbar(placeholder, context, name_fallback, save_language))
if content:
content = mark_safe("".join(content))
elif default:
# should be nodelist from a template
content = mark_safe(default.render(context_to_copy))
else:
content = ''
context['content'] = content
context['placeholder'] = toolbar_content
context['edit'] = edit
result = render_to_string("cms/toolbar/content.html", flatten_context(context))
changes = watcher.get_changes()
if use_cache and placeholder.cache_placeholder and get_cms_setting('PLACEHOLDER_CACHE'):
content = {'content': result, 'sekizai': changes}
set_placeholder_cache(placeholder, lang, site_id, content=content, request=request)
context.pop()
return result
def render_placeholder(
placeholder, context_to_copy, name_fallback="Placeholder", lang=None, default=None, editable=True, use_cache=True
):
"""
Renders plugins for a placeholder on the given page using shallow copies of the
given context, and returns a string containing the rendered output.
Set editable = False to disable front-end editing for this placeholder
during rendering. This is primarily used for the "as" variant of the
render_placeholder tag.
"""
from cms.utils.placeholder import get_placeholder_conf, restore_sekizai_context
from cms.utils.plugins import get_plugins
# these are always called before all other plugin context processors
from sekizai.helpers import Watcher
if not placeholder:
return
context = copy(context_to_copy)
context.push()
request = context["request"]
if not hasattr(request, "placeholders"):
request.placeholders = []
if placeholder.has_change_permission(request) or not placeholder.cache_placeholder:
request.placeholders.append(placeholder)
if hasattr(placeholder, "content_cache"):
return mark_safe(placeholder.content_cache)
page = placeholder.page if placeholder else None
# It's kind of duplicate of the similar call in `get_plugins`, but it's required
# to have a valid language in this function for `get_fallback_languages` to work
if lang:
save_language = lang
else:
lang = get_language_from_request(request)
save_language = lang
# Prepend frontedit toolbar output if applicable
toolbar = getattr(request, "toolbar", None)
if (
getattr(toolbar, "edit_mode", False)
and getattr(toolbar, "show_toolbar", False)
and getattr(placeholder, "is_editable", True)
and editable
):
from cms.middleware.toolbar import toolbar_plugin_processor
processors = (toolbar_plugin_processor,)
edit = True
else:
processors = None
edit = False
if get_cms_setting("PLACEHOLDER_CACHE") and use_cache:
if not edit and placeholder and not hasattr(placeholder, "cache_checked"):
cached_value = get_placeholder_cache(placeholder, lang)
if cached_value is not None:
restore_sekizai_context(context, cached_value["sekizai"])
return mark_safe(cached_value["content"])
if page:
template = page.template
else:
template = None
plugins = [plugin for plugin in get_plugins(request, placeholder, template, lang=lang)]
# Add extra context as defined in settings, but do not overwrite existing context variables,
# since settings are general and database/template are specific
# TODO this should actually happen as a plugin context processor, but these currently overwrite
# existing context -- maybe change this order?
slot = getattr(placeholder, "slot", None)
if slot:
for key, value in get_placeholder_conf("extra_context", slot, template, {}).items():
if key not in context:
context[key] = value
content = []
watcher = Watcher(context)
content.extend(render_plugins(plugins, context, placeholder, processors))
toolbar_content = ""
if edit and editable:
# TODO remove ``placeholders`` in 3.3
if not hasattr(request.toolbar, "placeholders"):
request.toolbar.placeholders = {}
if not hasattr(request.toolbar, "placeholder_list"):
request.toolbar.placeholder_list = []
if placeholder.pk not in request.toolbar.placeholders:
# TODO remove ``placeholders`` in 3.3
request.toolbar.placeholders[placeholder.pk] = placeholder
request.toolbar.placeholder_list.append(placeholder)
toolbar_content = mark_safe(render_placeholder_toolbar(placeholder, context, name_fallback, save_language))
if content:
content = mark_safe("".join(content))
elif default:
# should be nodelist from a template
content = mark_safe(default.render(context_to_copy))
else:
content = ""
context["content"] = content
context["placeholder"] = toolbar_content
context["edit"] = edit
result = render_to_string("cms/toolbar/content.html", flatten_context(context))
changes = watcher.get_changes()
if (
placeholder
and not edit
and placeholder.cache_placeholder
and get_cms_setting("PLACEHOLDER_CACHE")
and use_cache
):
set_placeholder_cache(placeholder, lang, content={"content": result, "sekizai": changes})
context.pop()
return result
