def _get_current_page(context):
"""
Fetch the current page.
"""
request = _get_request(context)
# This is a load-on-demand attribute, to allow calling the template tags outside the standard view.
# When the current page is not specified, do auto-detection.
if not hasattr(request, '_current_fluent_page'):
try:
# First start with something you can control,
# and likely want to mimic from the standard view.
current_page = context['page']
except KeyError:
try:
# Then try looking up environmental properties.
current_page = UrlNode.objects.get_for_path(request.path)
except UrlNode.DoesNotExist as e:
# Be descriptive. This saves precious developer time.
raise UrlNode.DoesNotExist("Could not detect current page.\n"
"- " + str(e) + "\n"
"- No context variable named 'page' found.")
if not isinstance(current_page, UrlNode):
raise UrlNode.DoesNotExist("The 'page' context variable is not a valid page")
prefill_parent_site(current_page)
request._current_fluent_page = current_page
return request._current_fluent_page # is a UrlNode
def _call_url_view(self, plugin, sub_path, match):
"""
Call the extra URLpattern view.
"""
# Check that there wasn't a fetch in the fallback language,
# perform some service for the user if this is the case.
if _is_accidental_fallback(self.object, self.language_code):
self.object.set_current_language(self.language_code)
return HttpResponsePermanentRedirect(
self.object.default_url.rstrip('/') + sub_path)
# Avoid additional lookup in templatetags
self.request._current_fluent_page = self.object
prefill_parent_site(self.object)
# Get view response
response = plugin.get_view_response(self.request, self.object,
match.func, match.args,
match.kwargs)
if response is None:
raise RuntimeError(
"The view '{0}' didn't return an HttpResponse object.".format(
match.url_name))
return response
def _call_node_view(self, plugin):
"""
Call the regular view.
"""
# Check that there wasn't a fetch in the fallback language,
# perform some service for the user if this is the case.
if _is_accidental_fallback(self.object, self.language_code):
self.object.set_current_language(self.language_code)
return HttpResponsePermanentRedirect(self.object.default_url)
# Store the current page. This is used in the `app_reverse()` code,
# and also avoids additional lookup in templatetags.
# NOTE: django-fluent-blogs actually reads this variable too (should use CurrentPageMixin now)
self.request._current_fluent_page = self.object
prefill_parent_site(self.object)
# Let page type plugin handle the request.
response = plugin.get_response(self.request, self.object)
if response is None:
# Avoid automatic fallback to 404 page in this dispatcher.
raise ValueError(
"The method '{0}.get_response()' didn't return an HttpResponse object."
.format(plugin.__class__.__name__))
return response
def _call_url_view(self, plugin, sub_path, match):
"""
Call the extra URLpattern view.
"""
# Check that there wasn't a fetch in the fallback language,
# perform some service for the user if this is the case.
if _is_accidental_fallback(self.object, self.language_code):
self.object.set_current_language(self.language_code)
return HttpResponsePermanentRedirect(self.object.default_url.rstrip('/') + sub_path)
# Avoid additional lookup in templatetags
self.request._current_fluent_page = self.object
prefill_parent_site(self.object)
# Get view response
response = plugin.get_view_response(self.request, self.object, match.func, match.args, match.kwargs)
if response is None:
raise RuntimeError("The view '{0}' didn't return an HttpResponse object.".format(match.url_name))
return response
def _call_node_view(self, plugin):
"""
Call the regular view.
"""
# Check that there wasn't a fetch in the fallback language,
# perform some service for the user if this is the case.
if _is_accidental_fallback(self.object, self.language_code):
self.object.set_current_language(self.language_code)
return HttpResponsePermanentRedirect(self.object.default_url)
# Store the current page. This is used in the `app_reverse()` code,
# and also avoids additional lookup in templatetags.
# NOTE: django-fluent-blogs actually reads this variable too (should use CurrentPageMixin now)
self.request._current_fluent_page = self.object
prefill_parent_site(self.object)
# Let page type plugin handle the request.
response = plugin.get_response(self.request, self.object)
if response is None:
# Avoid automatic fallback to 404 page in this dispatcher.
raise ValueError("The method '{0}.get_response()' didn't return an HttpResponse object.".format(plugin.__class__.__name__))
return response
