def _load_tree_info(self, root_url, file_path=None, file_content=None):
"""Load the treeinfo metadata.
:param root_url: a URL of the installation root
:param file_path: a path to a treeinfo file or None
:param file_content: a content of a treeinfo file or None
:raise InvalidTreeInfoError: if the metadata is invalid
"""
try:
# Load and validate the metadata.
tree_info = TreeInfo()
if file_content:
tree_info.loads(file_content)
else:
tree_info.load(file_path)
tree_info.validate()
log.debug("Loaded treeinfo metadata:\n%s", tree_info.dumps())
# Load the release version.
release_version = tree_info.release.version.lower()
# Create repositories for variants and optional variants.
# Child variants (like addons) will be ignored.
repo_list = []
for name in tree_info.variants:
log.debug("Processing the '%s' variant.", name)
# Get the variant metadata.
data = tree_info.variants[name]
# Create the repo metadata.
repo_md = TreeInfoRepoMetadata(
repo_name=name,
tree_info=data,
root_url=root_url,
)
repo_list.append(repo_md)
except configparser.Error as e:
log.debug("Failed to load treeinfo metadata: %s", e)
raise InvalidTreeInfoError("Invalid metadata: {}".format(str(e))) from None
# Update this treeinfo representation.
self._root_url = root_url
self._repositories = repo_list
self._release_version = release_version
log.debug("The treeinfo metadata is loaded.")
def _load_tree_info(self, root_path, file_path=None, file_content=None):
"""Load the treeinfo metadata.
:param root_path: a path to the installation root
:param file_path: a path to a treeinfo file or None
:param file_content: a content of a treeinfo file or None
:raise InvalidTreeInfoError: if the metadata is invalid
"""
try:
# Load and validate the metadata.
tree_info = TreeInfo()
if file_content:
tree_info.loads(file_content)
else:
tree_info.load(file_path)
tree_info.validate()
# Load the release version.
release_version = tree_info.release.version.lower()
# Load the repositories.
repo_list = []
for name in tree_info.variants:
# Get the variant metadata.
data = tree_info.variants[name]
# Create the repo metadata.
repo_md = TreeInfoRepoMetadata(
repo_name=name,
tree_info=data,
root_path=root_path,
)
repo_list.append(repo_md)
except configparser.Error as e:
log.debug("Failed to load treeinfo metadata: %s", e)
raise InvalidTreeInfoError("Invalid metadata: {}".format(
str(e))) from None
# Update this treeinfo representation.
self._root_path = root_path
self._repositories = repo_list
self._release_version = release_version
log.debug("The treeinfo metadata is loaded.")
