def render(self, context, compress=settings.COMPRESS, offline=settings.OFFLINE):
if compress and offline:
key = get_offline_cachekey(self.nodelist)
content = cache.get(key)
if content:
return content
content = self.nodelist.render(context)
if offline or not compress or not len(content.strip()):
return content
if self.kind == 'css':
compressor = CssCompressor(content)
if self.kind == 'js':
compressor = JsCompressor(content)
cachekey = "%s-%s" % (compressor.cachekey, self.mode)
output = self.cache_get(cachekey)
if output is None:
try:
if self.mode == OUTPUT_FILE:
output = compressor.output()
else:
output = compressor.output_inline()
self.cache_set(cachekey, output)
except:
from traceback import format_exc
raise Exception(format_exc())
return output
compressor_nodes.setdefault(template_name, []).extend(nodes)
if not compressor_nodes:
raise OfflineGenerationError("No 'compress' template tags found in templates.")
if verbosity > 0:
log.write("Found 'compress' tags in:\n\t" +
"\n\t".join(compressor_nodes.keys()) + "\n")
log.write("Compressing... ")
count = 0
results = []
context = Context(settings.OFFLINE_CONTEXT)
for nodes in compressor_nodes.values():
for node in nodes:
key = get_offline_cachekey(node.nodelist)
result = node.render(context, compress=True, offline=False)
cache.set(key, result, settings.OFFLINE_TIMEOUT)
results.append(result)
count += 1
log.write("done\nCompressed %d block(s) from %d template(s).\n"
% (count, len(compressor_nodes)))
return count, results
def walk_nodes(self, node):
for node in getattr(node, "nodelist", []):
if (isinstance(node, CompressorNode) or
node.__class__.__name__ == "CompressorNode"): # for 1.1.X
yield node
else:
for node in self.walk_nodes(node):
