def __init__(self, location, eclass_cache, cache=(),
default_mirrors=None, override_repo_id=None,
ignore_paludis_versioning=False, allow_missing_manifests=False,
repo_config=None):
"""
:param location: on disk location of the tree
:param cache: sequence of :obj:`pkgcore.cache.template.database` instances
to use for storing metadata
:param eclass_cache: If not None, :obj:`pkgcore.ebuild.eclass_cache`
instance representing the eclasses available,
if None, generates the eclass_cache itself
:param default_mirrors: Either None, or sequence of mirrors to try
fetching from first, then falling back to other uri
:param override_repo_id: Either None, or string to force as the
repository unique id
:param ignore_paludis_versioning: If False, fail when -scm is encountred. if True,
silently ignore -scm ebuilds.
"""
prototype.tree.__init__(self)
if repo_config is None:
repo_config = repo_objs.RepoConfig(location)
self.config = repo_config
self._repo_id = override_repo_id
self.base = self.location = location
try:
if not stat.S_ISDIR(os.stat(self.base).st_mode):
raise errors.InitializationError(
"base not a dir: %s" % self.base)
except OSError:
raise_from(errors.InitializationError(
"lstat failed on base %s" % (self.base,)))
self.eclass_cache = eclass_cache
self.licenses = repo_objs.Licenses(location)
fp = pjoin(self.base, metadata_offset, "thirdpartymirrors")
mirrors = {}
try:
for k, v in read_dict(fp, splitter=None).iteritems():
v = v.split()
shuffle(v)
mirrors[k] = v
except EnvironmentError, ee:
if ee.errno != errno.ENOENT:
raise
def _read_mtime_cache(location):
try:
logger.debug("reading mtime cache at %r", (location,))
d = {}
for k, v in read_dict(readlines_ascii(location, True), splitter=None,
source_isiter=True).iteritems():
v = v.split()
# mtime pkg1 fullver1 virtual1 pkg2 fullver2 virtual2...
# if it's not the right length, skip this entry,
# cache validation will update it.
if (len(v) -1) % 3 == 0:
d[k] = v
return d
except IOError, e:
if e.errno != errno.ENOENT:
raise
logger.debug("failed reading mtime cache at %r", (location,))
return {}
