def fews_filters(ignore_cache=False):
"""
Return fews filter tree.
Exclude filters from settings.FEWS_UNBLOBBED_EXCLUDE_FILTERS.
"""
filters = cache.get(FILTER_CACHE_KEY)
# Filters is a list of dicts (keys: 'data', 'id', 'children')
# In data, there's a key 'fews_id'
if filters is None or ignore_cache:
filters = Filter.dump_bulk() # Optional: parent
# Filter out some root filters: get settings.
try:
exclude_filters = settings.FEWS_UNBLOBBED_EXCLUDE_FILTERS
logger.info('Excluding filters: %r.' % exclude_filters)
except AttributeError:
exclude_filters = ['ZZL_Meteo', 'ZZL_ZUIV_RUW', ]
logger.warning(
'No setting FEWS_UNBLOBBED_EXCLUDE_FILTERS.'
'By default ZZL_Meteo and ZZL_ZUIV_RUW are excluded.')
# ^^^ Who on earth added these hardcoded items in the basic app?
# a) settings.get(..., some_default) works fine.
# b) Hardcoded settings for zzl? Just add them in the settings.py,
# then, if you're reading from it anyway!
# Filter the filters.
filters = filter_exclude(filters, exclude_filters)
cache.set(FILTER_CACHE_KEY, filters, 8 * 60 * 60) # 8 hours
return filters
