def _get_launchpad_ppa_key_id(cls, ppa: str) -> str:
owner, name = cls._get_ppa_parts(ppa)
launchpad = Launchpad.login_anonymously("snapcraft", "production")
launchpad_url = f"~{owner}/+archive/{name}"
logger.debug(f"Loading launchpad url: {launchpad_url}")
try:
key_id = launchpad.load(launchpad_url).signing_key_fingerprint
except lazr.restfulclient.errors.NotFound as error:
raise errors.AptPPAInstallError(
ppa=ppa, reason="not found on launchpad") from error
logger.debug(f"Retrieved launchpad PPA key ID: {key_id}")
return key_id
def split_ppa_parts(*, ppa: str) -> Tuple[str, str]:
"""Obtain user and repository components from a PPA line."""
ppa_split = ppa.split("/")
if len(ppa_split) != 2:
raise errors.AptPPAInstallError(ppa, "invalid PPA format")
return ppa_split[0], ppa_split[1]
def _get_ppa_parts(cls, ppa: str) -> Tuple[str, str]:
ppa_split = ppa.split("/")
if len(ppa_split) != 2:
raise errors.AptPPAInstallError(ppa=ppa,
reason="invalid PPA format")
return ppa_split[0], ppa_split[1]
