def lookup_package_bundle(self, name):
"""Look up a package bundle by name.
Args:
name (unicode):
The name of the package bundle.
Returns:
PackageBundle:
The package bundle, if found, or ``None`` if a bundle with
that name doesn't exist.
"""
package_bundle = self._package_bundle_cache.get(name)
if package_bundle is None:
path = self._build_package_bundle_path(name)
try:
package_bundle_data = get_data_loader().load_by_path(path)
except LoadDataError as e:
raise PackageLookupError(six.text_type(e))
package_bundle = PackageBundle.deserialize(
base_url=self.BASE_PATH, manifest_url=path, data=package_bundle_data
)
self._package_bundle_cache[name] = package_bundle
return package_bundle
def load(self):
"""Load data from the manifest file.
The data from the manifest will be loaded and stored in this
instance, allowing the caller to access it.
"""
# Let the exceptions bubble up.
data = get_data_loader().load_by_path(self.absolute_manifest_url)
self._releases = []
self._package_rules = []
self.created_timestamp = \
dateutil.parser.parse(data['created_timestamp'])
self.last_updated_timestamp = \
dateutil.parser.parse(data['last_updated_timestamp'])
self._releases = [
PackageRelease.deserialize(self, releases_data)
for releases_data in data['releases']
]
self._package_rules = [
PackageRules.deserialize(self, rules_data)
for rules_data in data['package_rules']
]
self._loaded = True
def get_index(self):
"""Return the root package index from the repository.
Returns:
rbpkg.repository.package_index.PackageIndex:
The root package index.
"""
if not self._index:
manifest_url = self._build_package_index_path()
index_data = get_data_loader().load_by_path(manifest_url)
self._index = PackageIndex.deserialize(manifest_url, index_data)
return self._index
