def load_from_cache(layer, redo=False):
'''Given a layer object, check against cache to see if that layer id exists
if yes then get the package list and load it in the layer and return true.
If it doesn't exist return false. Default operation is to not redo the
cache. Add notices to the layer's origins matching the origin_str'''
loaded = False
origin_layer = 'Layer: ' + layer.fs_hash[:10]
if not layer.packages and not redo:
# there are no packages in this layer and we are not repopulating the
# cache, try to get it from the cache
raw_pkg_list = cache.get_packages(layer.fs_hash)
if raw_pkg_list:
logger.debug('Loaded from cache: layer {}'.format(
layer.fs_hash[:10]))
message = formats.loading_from_cache.format(
layer_id=layer.fs_hash[:10])
# add notice to the origin
layer.origins.add_notice_to_origins(origin_layer,
Notice(message, 'info'))
for pkg_dict in raw_pkg_list:
pkg = Package(pkg_dict['name'])
pkg.fill(pkg_dict)
layer.add_package(pkg)
loaded = True
return loaded
def load_from_cache(layer, redo=False):
'''Given a layer object, check against cache to see if that layer id exists
if yes then get the package list and load it in the layer and return true.
If it doesn't exist return false. Default operation is to not redo the
cache. Add notices to the layer's origins matching the origin_str'''
loaded = False
if not layer.packages and not redo:
# there are no packages in this layer and we are not repopulating the
# cache, try to get it from the cache
raw_pkg_list = cache.get_packages(layer.fs_hash)
if raw_pkg_list:
logger.debug('Loaded from cache: layer \"%s\"', layer.fs_hash[:10])
for pkg_dict in raw_pkg_list:
pkg = Package(pkg_dict['name'])
pkg.fill(pkg_dict)
layer.add_package(pkg)
load_notices_from_cache(layer)
loaded = True
return loaded
def load_packages_from_cache(layer):
'''Given a layer object, populate package level information'''
loaded = False
raw_pkg_list = cache.get_packages(layer.fs_hash)
if raw_pkg_list:
logger.debug('Loading packages from cache: layer \"%s\"',
layer.fs_hash[:10])
for pkg_dict in raw_pkg_list:
pkg = Package(pkg_dict['name'])
pkg.fill(pkg_dict)
# collect package origins
if 'origins' in pkg_dict.keys():
for origin_dict in pkg_dict['origins']:
for notice in origin_dict['notices']:
pkg.origins.add_notice_to_origins(
origin_dict['origin_str'],
Notice(notice['message'], notice['level']))
layer.add_package(pkg)
loaded = True
return loaded