def update_pkg_desc_index(repo, observer):
"""Update a repo's package description cache (metadata/pkg_desc_index)"""
ret = 0
pkg_desc_index = pjoin(repo.location, "metadata", "pkg_desc_index")
f = None
try:
f = AtomicWriteFile(pkg_desc_index)
for cat, pkgs in sorted(repo.packages.items()):
for pkg in sorted(pkgs):
cpvs = sorted(CPV(cat, pkg, v) for v in repo.versions[(cat, pkg)])
# get the most recent pkg description, skipping bad pkgs
for cpv in reversed(cpvs):
try:
desc = repo[(cat, pkg, cpv.fullver)].description
versions = ' '.join(x.fullver for x in cpvs)
f.write(f"{cat}/{pkg} {versions}: {desc}\n")
break
except MetadataException as e:
# should be caught and outputted already by cache regen
ret = 1
f.close()
except IOError as e:
observer.error(
f"Unable to update pkg_desc_index file {pkg_desc_index!r}: {e.strerror}")
ret = os.EX_IOERR
finally:
if f is not None:
f.discard()
return ret
def __init__(self, cpvstr, data=None, shared=None, repo=None):
if data is None:
data = {}
for x in ("DEPEND", "RDEPEND", "PDEPEND", "IUSE", "LICENSE"):
data.setdefault(x, "")
data.setdefault("KEYWORDS", ' '.join(default_arches))
cpv = CPV(cpvstr, versioned=True)
super().__init__(shared, repo, cpv.category, cpv.package, cpv.fullver)
object.__setattr__(self, "data", data)
