def flatpage(request, url):
"""
Public interface to the flat page view.
Models: `flatpages.flatpages`
Templates: Uses the template defined by the ``template_name`` field,
or :template:`flatpages/default.html` if template_name is not defined.
Context:
flatpage
`flatpages.flatpages` object
"""
if not url.startswith('/'):
url = '/' + url
site_id = get_current_site(request).id
try:
f = get_object_or_404(FlatPage, url=url, sites=site_id)
except Http404:
if not url.endswith('/') and settings.APPEND_SLASH:
url += '/'
f = get_object_or_404(FlatPage, url=url, sites=site_id)
return HttpResponsePermanentRedirect('%s/' % request.path)
else:
raise
return render_flatpage(request, f)
python类APPEND_SLASH的实例源码
def clean_url(self):
url = self.cleaned_data['url']
if not url.startswith('/'):
raise forms.ValidationError(
ugettext("URL is missing a leading slash."),
code='missing_leading_slash',
)
if (settings.APPEND_SLASH and (
(settings.MIDDLEWARE and 'django.middleware.common.CommonMiddleware' in settings.MIDDLEWARE) or
'django.middleware.common.CommonMiddleware' in settings.MIDDLEWARE_CLASSES) and
not url.endswith('/')):
raise forms.ValidationError(
ugettext("URL is missing a trailing slash."),
code='missing_trailing_slash',
)
return url
def flatpage(request, url):
"""
Public interface to the flat page view.
Models: `flatpages.flatpages`
Templates: Uses the template defined by the ``template_name`` field,
or :template:`flatpages/default.html` if template_name is not defined.
Context:
flatpage
`flatpages.flatpages` object
"""
if not url.startswith('/'):
url = '/' + url
site_id = get_current_site(request).id
try:
f = get_object_or_404(FlatPage, url=url, sites=site_id)
except Http404:
if not url.endswith('/') and settings.APPEND_SLASH:
url += '/'
f = get_object_or_404(FlatPage, url=url, sites=site_id)
return HttpResponsePermanentRedirect('%s/' % request.path)
else:
raise
return render_flatpage(request, f)
def clean_url(self):
url = self.cleaned_data['url']
if not url.startswith('/'):
raise forms.ValidationError(
ugettext("URL is missing a leading slash."),
code='missing_leading_slash',
)
if (settings.APPEND_SLASH and (
(settings.MIDDLEWARE and 'django.middleware.common.CommonMiddleware' in settings.MIDDLEWARE) or
'django.middleware.common.CommonMiddleware' in settings.MIDDLEWARE_CLASSES) and
not url.endswith('/')):
raise forms.ValidationError(
ugettext("URL is missing a trailing slash."),
code='missing_trailing_slash',
)
return url
def flatpage(request, url):
"""
Public interface to the flat page view.
Models: `flatpages.flatpages`
Templates: Uses the template defined by the ``template_name`` field,
or :template:`flatpages/default.html` if template_name is not defined.
Context:
flatpage
`flatpages.flatpages` object
"""
if not url.startswith('/'):
url = '/' + url
site_id = get_current_site(request).id
try:
f = get_object_or_404(FlatPage,
url=url, sites=site_id)
except Http404:
if not url.endswith('/') and settings.APPEND_SLASH:
url += '/'
f = get_object_or_404(FlatPage,
url=url, sites=site_id)
return HttpResponsePermanentRedirect('%s/' % request.path)
else:
raise
return render_flatpage(request, f)
def clean_url(self):
url = self.cleaned_data['url']
if not url.startswith('/'):
raise forms.ValidationError(
ugettext("URL is missing a leading slash."),
code='missing_leading_slash',
)
if (settings.APPEND_SLASH and
'django.middleware.common.CommonMiddleware' in settings.MIDDLEWARE_CLASSES and
not url.endswith('/')):
raise forms.ValidationError(
ugettext("URL is missing a trailing slash."),
code='missing_trailing_slash',
)
return url
def process_response(self, request, response):
# No need to check for a redirect for non-404 responses.
if response.status_code != 404:
return response
full_path = request.get_full_path()
current_site = get_current_site(request)
r = None
try:
r = Redirect.objects.get(site=current_site, old_path=full_path)
except Redirect.DoesNotExist:
pass
if r is None and settings.APPEND_SLASH and not request.path.endswith('/'):
try:
r = Redirect.objects.get(
site=current_site,
old_path=request.get_full_path(force_append_slash=True),
)
except Redirect.DoesNotExist:
pass
if r is not None:
if r.new_path == '':
return self.response_gone_class()
return self.response_redirect_class(r.new_path)
# No redirect was found. Return the response.
return response
def process_request(self, request):
"""
Check for denied User-Agents and rewrite the URL based on
settings.APPEND_SLASH and settings.PREPEND_WWW
"""
# Check for denied User-Agents
if 'HTTP_USER_AGENT' in request.META:
for user_agent_regex in settings.DISALLOWED_USER_AGENTS:
if user_agent_regex.search(request.META['HTTP_USER_AGENT']):
raise PermissionDenied('Forbidden user agent')
# Check for a redirect based on settings.PREPEND_WWW
host = request.get_host()
must_prepend = settings.PREPEND_WWW and host and not host.startswith('www.')
redirect_url = ('%s://www.%s' % (request.scheme, host)) if must_prepend else ''
# Check if a slash should be appended
if self.should_redirect_with_slash(request):
path = self.get_full_path_with_slash(request)
else:
path = request.get_full_path()
# Return a redirect if necessary
if redirect_url or path != request.get_full_path():
redirect_url += path
return self.response_redirect_class(redirect_url)
def should_redirect_with_slash(self, request):
"""
Return True if settings.APPEND_SLASH is True and appending a slash to
the request path turns an invalid path into a valid one.
"""
if settings.APPEND_SLASH and not request.get_full_path().endswith('/'):
urlconf = getattr(request, 'urlconf', None)
return (
not urlresolvers.is_valid_path(request.path_info, urlconf)
and urlresolvers.is_valid_path('%s/' % request.path_info, urlconf)
)
return False
def process_response(self, request, response):
language = translation.get_language()
language_from_path = translation.get_language_from_path(request.path_info)
if (response.status_code == 404 and not language_from_path
and self.is_language_prefix_patterns_used):
urlconf = getattr(request, 'urlconf', None)
language_path = '/%s%s' % (language, request.path_info)
path_valid = is_valid_path(language_path, urlconf)
path_needs_slash = (
not path_valid and (
settings.APPEND_SLASH and not language_path.endswith('/')
and is_valid_path('%s/' % language_path, urlconf)
)
)
if path_valid or path_needs_slash:
script_prefix = get_script_prefix()
# Insert language after the script prefix and before the
# rest of the URL
language_url = request.get_full_path(force_append_slash=path_needs_slash).replace(
script_prefix,
'%s%s/' % (script_prefix, language),
1
)
return self.response_redirect_class(language_url)
if not (self.is_language_prefix_patterns_used
and language_from_path):
patch_vary_headers(response, ('Accept-Language',))
if 'Content-Language' not in response:
response['Content-Language'] = language
return response
def process_response(self, request, response):
# No need to check for a redirect for non-404 responses.
if response.status_code != 404:
return response
full_path = request.get_full_path()
current_site = get_current_site(request)
r = None
try:
r = Redirect.objects.get(site=current_site, old_path=full_path)
except Redirect.DoesNotExist:
pass
if r is None and settings.APPEND_SLASH and not request.path.endswith('/'):
try:
r = Redirect.objects.get(
site=current_site,
old_path=request.get_full_path(force_append_slash=True),
)
except Redirect.DoesNotExist:
pass
if r is not None:
if r.new_path == '':
return self.response_gone_class()
return self.response_redirect_class(r.new_path)
# No redirect was found. Return the response.
return response
def process_response(self, request, response):
# No need to check for a redirect for non-404 responses.
if response.status_code != 404:
return response
full_path = request.get_full_path()
current_site = get_current_site(request)
r = None
try:
r = Redirect.objects.get(site=current_site, old_path=full_path)
except Redirect.DoesNotExist:
pass
if r is None and settings.APPEND_SLASH and not request.path.endswith('/'):
try:
r = Redirect.objects.get(
site=current_site,
old_path=request.get_full_path(force_append_slash=True),
)
except Redirect.DoesNotExist:
pass
if r is not None:
if r.new_path == '':
return self.response_gone_class()
return self.response_redirect_class(r.new_path)
# No redirect was found. Return the response.
return response
def process_response(self, request, response):
# No need to check for a redirect for non-404 responses.
if response.status_code != 404:
return response
full_path = request.get_full_path()
current_site = get_current_site(request)
r = None
try:
r = Redirect.objects.get(site=current_site, old_path=full_path)
except Redirect.DoesNotExist:
pass
if r is None and settings.APPEND_SLASH and not request.path.endswith('/'):
try:
r = Redirect.objects.get(
site=current_site,
old_path=request.get_full_path(force_append_slash=True),
)
except Redirect.DoesNotExist:
pass
if r is not None:
if r.new_path == '':
return self.response_gone_class()
return self.response_redirect_class(r.new_path)
# No redirect was found. Return the response.
return response
def process_response(request, response):
if response.status_code != 404:
return response
full_path = request.get_full_path()
redirect = None
try:
redirect = Redirect.objects.get(old_path=full_path)
except Redirect.DoesNotExist:
pass
if settings.APPEND_SLASH and not request.path.endswith('/'):
# Try appending a trailing slash.
path_len = len(request.path)
full_path = full_path[:path_len] + '/' + full_path[path_len:]
try:
redirect = Redirect.objects.get(old_path=full_path)
except Redirect.DoesNotExist:
pass
if redirect is None:
return response
if redirect.new_path == '':
return http.HttpResponseGone()
redirect.last_usage = now()
redirect.save()
if redirect.permanent:
return http.HttpResponsePermanentRedirect(redirect.new_path)
else:
return http.HttpResponseRedirect(redirect.new_path)
def process_response(self, request, response):
# No need to check for a redirect for non-404 responses.
if response.status_code != 404:
return response
full_path = request.get_full_path()
current_site = get_current_site(request)
r = None
try:
r = Redirect.objects.get(site=current_site, old_path=full_path)
except Redirect.DoesNotExist:
pass
if r is None and settings.APPEND_SLASH and not request.path.endswith('/'):
try:
r = Redirect.objects.get(
site=current_site,
old_path=request.get_full_path(force_append_slash=True),
)
except Redirect.DoesNotExist:
pass
if r is not None:
if r.new_path == '':
return self.response_gone_class()
return self.response_redirect_class(r.new_path)
# No redirect was found. Return the response.
return response
def flatpage(request, url):
"""
Public interface to the flat page view.
Models: `flatpages.flatpages`
Templates: Uses the template defined by the ``template_name`` field,
or :template:`flatpages/default.html` if template_name is not defined.
Context:
flatpage
`flatpages.flatpages` object
"""
if not url.startswith('/'):
url = '/' + url
site_id = get_current_site(request).id
try:
f = get_object_or_404(FlatPage,
url=url, sites=site_id)
except Http404:
if not url.endswith('/') and settings.APPEND_SLASH:
url += '/'
f = get_object_or_404(FlatPage,
url=url, sites=site_id)
return HttpResponsePermanentRedirect('%s/' % request.path)
else:
raise
return render_flatpage(request, f)
def clean_url(self):
url = self.cleaned_data['url']
if not url.startswith('/'):
raise forms.ValidationError(
ugettext("URL is missing a leading slash."),
code='missing_leading_slash',
)
if (settings.APPEND_SLASH and
'django.middleware.common.CommonMiddleware' in settings.MIDDLEWARE_CLASSES and
not url.endswith('/')):
raise forms.ValidationError(
ugettext("URL is missing a trailing slash."),
code='missing_trailing_slash',
)
return url
def process_response(self, request, response):
# No need to check for a redirect for non-404 responses.
if response.status_code != 404:
return response
full_path = request.get_full_path()
current_site = get_current_site(request)
r = None
try:
r = Redirect.objects.get(site=current_site, old_path=full_path)
except Redirect.DoesNotExist:
pass
if settings.APPEND_SLASH and not request.path.endswith('/'):
# Try appending a trailing slash.
path_len = len(request.path)
full_path = full_path[:path_len] + '/' + full_path[path_len:]
try:
r = Redirect.objects.get(site=current_site, old_path=full_path)
except Redirect.DoesNotExist:
pass
if r is not None:
if r.new_path == '':
return self.response_gone_class()
return self.response_redirect_class(r.new_path)
# No redirect was found. Return the response.
return response
def process_response(self, request, response):
language = translation.get_language()
language_from_path = translation.get_language_from_path(request.path_info)
if (response.status_code == 404 and not language_from_path
and self.is_language_prefix_patterns_used()):
urlconf = getattr(request, 'urlconf', None)
language_path = '/%s%s' % (language, request.path_info)
path_valid = is_valid_path(language_path, urlconf)
if (not path_valid and settings.APPEND_SLASH
and not language_path.endswith('/')):
path_valid = is_valid_path("%s/" % language_path, urlconf)
if path_valid:
script_prefix = get_script_prefix()
language_url = "%s://%s%s" % (
request.scheme,
request.get_host(),
# insert language after the script prefix and before the
# rest of the URL
request.get_full_path().replace(
script_prefix,
'%s%s/' % (script_prefix, language),
1
)
)
return self.response_redirect_class(language_url)
if not (self.is_language_prefix_patterns_used()
and language_from_path):
patch_vary_headers(response, ('Accept-Language',))
if 'Content-Language' not in response:
response['Content-Language'] = language
return response
def flatpage(request, url):
"""
Public interface to the flat page view.
Models: `flatpages.flatpages`
Templates: Uses the template defined by the ``template_name`` field,
or :template:`flatpages/default.html` if template_name is not defined.
Context:
flatpage
`flatpages.flatpages` object
"""
if not url.startswith('/'):
url = '/' + url
site_id = get_current_site(request).id
try:
f = get_object_or_404(FlatPage,
url=url, sites=site_id)
except Http404:
if not url.endswith('/') and settings.APPEND_SLASH:
url += '/'
f = get_object_or_404(FlatPage,
url=url, sites=site_id)
return HttpResponsePermanentRedirect('%s/' % request.path)
else:
raise
return render_flatpage(request, f)
