def search(self, *terms):
"""Don't use this. This is painfully slow."""
desc_re = re.compile(r"%DESC%\n.*{0}.*$".format(".*".join(terms)),
re.IGNORECASE | re.MULTILINE)
for db in ALPM_DB_PATH.join("sync").glob("*.db"):
if db.name[:-3] not in self.enabled_repositories:
continue
seen = []
try:
tar = tarfile.open(db, "r")
except tarfile.ReadError:
log.error("could not open db file: {0}".format(db))
continue
for member in tar.getmembers():
member_path = path(member.name)
if member_path.name != "desc":
continue
package = member_path.parent
if package.name in seen:
continue
desc = tar.extractfile(member).read()
if (len(terms) == 1 and
re.match(terms[0], package.name, re.IGNORECASE)):
seen.append(package.name)
else:
if re.search(desc_re, desc):
seen.append(package.name)
else:
continue
metadata = self.parse_desc(desc)
yield ALPMPackage(metadata=metadata)
def get_backends(self):
backend_names = map(str.strip, self.config.backend_order.split(","))
backends = []
for name in backend_names:
try:
import_("borealis.backends." + name)
backend = get_subclass(PackageManagementBackend,
name.rsplit(":")[-1])
if not backend:
raise Exception("object exists but isn't a valid backend")
backends.append(backend(self))
except Exception, err:
log.error("failed to load backend {}: {}".format(name,
str(err)))