def render(self, context):
try:
expire_time = self.expire_time_var.resolve(context)
except VariableDoesNotExist:
raise TemplateSyntaxError(
'"cache" tag got an unknown variable: %r' %
self.expire_time_var.var)
try:
expire_time = int(expire_time)
except (ValueError, TypeError):
raise TemplateSyntaxError(
'"cache" tag got a non-integer timeout value: %r' %
expire_time)
# Build a unicode key for this fragment and all vary-on's.
args = md5_constructor(u':'.join([
urlquote(resolve_variable(var, context)) for var in self.vary_on
]))
cache_key = 'template.cache.%s.%s' % (self.fragment_name,
args.hexdigest())
value = cache.get(cache_key)
if value is None:
value = self.nodelist.render(context)
req = context.get('request', None)
if req:
value, dimensions_found = add_dimensions(
value, req.build_absolute_uri())
else:
dimensions_found = False
if dimensions_found:
cache.set(cache_key, value, expire_time)
return value
def render(self, context):
try:
expire_time = self.expire_time_var.resolve(context)
except VariableDoesNotExist:
raise TemplateSyntaxError('"cache" tag got an unknown variable: %r' % self.expire_time_var.var)
try:
expire_time = int(expire_time)
except (ValueError, TypeError):
raise TemplateSyntaxError('"cache" tag got a non-integer timeout value: %r' % expire_time)
# Build a unicode key for this fragment and all vary-on's.
args = md5_constructor(u':'.join([urlquote(resolve_variable(var, context)) for var in self.vary_on]))
cache_key = 'template.cache.%s.%s' % (self.fragment_name, args.hexdigest())
value = cache.get(cache_key)
if value is None:
value = self.nodelist.render(context)
req = context.get('request', None)
if req:
value, dimensions_found = add_dimensions(value, req.build_absolute_uri())
else:
dimensions_found = False
if dimensions_found:
cache.set(cache_key, value, expire_time)
return value
def process_response(self, request, response):
if "text/html" in response["Content-Type"]:
path = request.build_absolute_uri()
response.content, dimensions_found = add_dimensions(response.content, path)
return response
