def cached_i18n_name(dcids, locale, should_resolve_all):
"""Returns localization names for set of dcids.
Args:
dcids: ^ separated string of dcids. It must be a single string for the cache.
locale: the desired localization language code.
should_resolve_all: True if every dcid should be returned with a
name, False if only i18n names should be filled
Returns:
A dictionary of place names, keyed by dcid (potentially sparse if should_resolve_all=False)
"""
if not dcids:
return {}
dcids = dcids.split('^')
response = fetch_data('/node/property-values', {
'dcids': dcids,
'property': 'nameWithLanguage',
'direction': 'out'
},
compress=False,
post=True)
result = {}
dcids_default_name = []
locales = i18n.locale_choices(locale)
for dcid in dcids:
values = response[dcid].get('out')
# If there is no nameWithLanguage for this dcid, fall back to name.
if not values:
dcids_default_name.append(dcid)
continue
result[dcid] = ''
for locale in locales:
for entry in values:
if has_locale_name(entry, locale):
result[dcid] = extract_locale_name(entry, locale)
break
if result[dcid]:
break
if dcids_default_name:
if should_resolve_all:
default_names = cached_name('^'.join(sorted(dcids_default_name)))
else:
default_names = {}
for dcid in dcids_default_name:
result[dcid] = default_names.get(dcid, '')
return result
def before_request():
requested_locale = request.args.get('hl', i18n.DEFAULT_LOCALE)
g.locale_choices = i18n.locale_choices(requested_locale)
g.locale = g.locale_choices[0]
