def _parse_dep_cache_file(self):
with self.profile.timer('Pod._parse_dep_cache_file'):
podcache_file_name = '/{}'.format(self.FILE_DEP_CACHE)
# TODO Remove deprecated cachefile support.
# Convert legacy yaml cache files.
legacy_podcache_file_name = '/.podcache.yaml'
if self.file_exists(legacy_podcache_file_name):
logging.info('Converting {} to {}.'.format(
legacy_podcache_file_name, podcache_file_name))
# Do not use the utils.parse_yaml as that has extra constructors
# that should not be run when the cache file is being parsed.
temp_data = yaml.load(
self.read_file(legacy_podcache_file_name)) or {}
if 'objects' in temp_data and temp_data['objects']:
object_cache_file_name = '/{}'.format(
podcache.FILE_OBJECT_CACHE)
self.write_file(object_cache_file_name,
json.dumps(temp_data['objects']))
self.delete_file(legacy_podcache_file_name)
if not self.file_exists(podcache_file_name):
return {}
try:
return self.read_json(podcache_file_name) or {}
except IOError:
path = self.abs_path(podcache_file_name)
raise podcache.PodCacheParseError(
'Error parsing: {}'.format(path))
def _parse_object_cache_file(self):
with self.profile.timer('Pod._parse_object_cache_file'):
object_cache_file_name = '/{}'.format(podcache.FILE_OBJECT_CACHE)
if not self.file_exists(object_cache_file_name):
return {}
try:
return self.read_json(object_cache_file_name) or {}
except IOError:
path = self.abs_path(object_cache_file_name)
raise podcache.PodCacheParseError(
'Error parsing: {}'.format(path))
def _parse_routes_cache_file(self):
with self.profile.timer('Pod._parse_routes_cache_file'):
routes_cache_file_name = '{}{}'.format(self.PATH_CONTROL,
podcache.FILE_ROUTES_CACHE)
if not self.file_exists(routes_cache_file_name):
return {}
try:
return self.read_json(routes_cache_file_name) or {}
except ValueError:
# File became corrupted; delete it and start over.
# https://github.com/grow/grow/issues/1050#issuecomment-596346032
self.delete_file(routes_cache_file_name)
return {}
except IOError:
path = self.abs_path(routes_cache_file_name)
raise podcache.PodCacheParseError(
'Error parsing: {}'.format(path))
