def search_view(self, request, **kwargs):
fields = self.list_fields or ['pk']
q = request.GET.get('q', None)
qs = []
# Makes the cache key
cache_key = self.make_search_cache_key(q)
# Tries to return from cache first
from_cache = cache.get(cache_key)
if from_cache:
return JsonResponse(from_cache)
if q and self.search_fields:
# Basic query
qs = self.get_queryset(request)
# Filter by query string
criteria = dict([(k+'__icontains',q) for k in self.search_fields])
qs = qs.filter_if_any(**criteria)
# Converts to values
qs = qs.values(*fields)
# Limited list results
max_results = min([int(request.GET.get('_max', self.max_results)), self.max_results])
if max_results:
qs = qs[:max_results]
# Prepares for JSON and to store in cache
results = [self.prepare_for_json(obj) for obj in qs]
if app_settings.CACHE_TIMEOUT:
cache.set(cache_key, results, app_settings.CACHE_TIMEOUT)
return JsonResponse(results)
def minify(content, ext):
"""Uses YUICompressor to minify JavaScript and CSS content."""
hsh = hashlib.sha1(content).hexdigest()
cache_key = 'minify-'+hsh
# Loads from cache
ret = cache.get(cache_key, None)
if ret: return ret
jar_path = app_settings.YUICOMPRESSOR_PATH
# Saves content in temporary file
f_name = hsh
f_path = os.path.join(settings.TEMP_DIR, '%s-all.%s'%(f_name, ext))
new_path = os.path.join(settings.TEMP_DIR, '%s-min.%s'%(f_name, ext))
fp = file(f_path, 'w')
fp.write(content)
fp.close()
# Runs YUICompressor
os.system("%s -o %s %s"%(jar_path, new_path, f_path))
if app_settings.MINIFY and os.path.exists(new_path):
# Checks if the minified file exists, otherwise returns the merged one
fp = file(new_path)
content = fp.read()
fp.close()
# Saves in cache
cache.set(cache_key, content)
return content
def get_source(self, environment, template):
if ":" in template:
active_theme, template_name = template.split(":", 1)
active_theme = Theme.query().get(name=active_theme)
elif getattr(environment, "theme", None):
template_name = template
active_theme = environment.theme
else:
template_name = template
active_theme = None
if app_settings.CACHE_EXPIRATION:
try:
active_theme = Theme.query().get(pk=cache.get("themes:active", None))
except Theme.DoesNotExist:
pass
if not active_theme:
try:
theme = Theme.query().get(is_default=True)
if app_settings.CACHE_EXPIRATION:
cache.set("themes:active", theme["pk"], app_settings.CACHE_EXPIRATION)
active_theme = theme
except Theme.DoesNotExist:
# raise JinjaTemplateNotFound('There\'s no active theme.')
pass
try:
reg_template = get_registered_template(template)
except KeyError:
if app_settings.ALLOW_NOT_REGISTERED:
reg_template = {}
else:
raise JinjaTemplateNotFound('Template "%s" is not registered.' % template)
content = None
uptodate = lambda: True
full_name = None
engine = None
if active_theme:
try:
# Using cache to restore/store template content
cache_key = "themes:%s|%s" % (active_theme["name"], template_name)
content = cache.get(cache_key, None) if app_settings.CACHE_EXPIRATION else None
if not content or not content.split(";", 1)[-1] or content.split(";", 1)[-1] == "None":
tpl = ThemeTemplate.query().get(theme=active_theme, name=template_name)
engine = tpl["engine"]
content = tpl["content"]
if app_settings.CACHE_EXPIRATION:
cache.set(cache_key, "engine:%s;%s" % (engine, content or ""), app_settings.CACHE_EXPIRATION)
full_name = "%s:%s" % (active_theme["name"], template_name)
except ThemeTemplate.DoesNotExist:
content = None
if reg_template and not content:
content = reg_template.get("content", None)
if not content:
if (
reg_template
and reg_template.get("mirroring", None)
and reg_template.get("mirroring", None) != template_name
):
# Trying this firstly...
try:
return self.get_source(environment, reg_template["mirroring"])
except JinjaTemplateNotFound as e:
pass
# If get no success, tries by the hardest way, from file system...
ret = environment.get_template(reg_template["mirroring"])
if ret:
f = open(ret.filename)
try:
contents = f.read()
finally:
f.close()
return contents.decode("utf-8"), ret.filename, ret.is_up_to_date
raise JinjaTemplateNotFound('Template "%s" doesn\'t exist in active theme.' % template_name)
if content.startswith("engine:"):
engine, content = content.split(";", 1)
engine = engine.split(":")[1]
return content, full_name, uptodate
def themetemplate_post_save(instance, sender, **kwargs):
# Cache invalidation
cache_key = 'themes:%s|%s'%(instance['theme']['name'], instance['name'])
if app_settings.CACHE_EXPIRATION and cache.get(cache_key):
cache.set(cache_key, None, 1) # Expires fastly, to clear cache storage
