def describe_share(abs_sharefile, si_s, shnum_s, now, out):
with open(abs_sharefile, "rb") as f:
prefix = f.read(32)
if MutableShareFile.is_valid_header(prefix):
_describe_mutable_share(abs_sharefile, f, now, si_s, out)
elif ShareFile.is_valid_header(prefix):
_describe_immutable_share(abs_sharefile, now, si_s, out)
else:
print("UNKNOWN really-unknown %s" % quote_output(abs_sharefile),
file=out)
def _iter_share_files(self, storage_index):
for shnum, filename in self.get_shares(storage_index):
with open(filename, 'rb') as f:
header = f.read(32)
if MutableShareFile.is_valid_header(header):
sf = MutableShareFile(filename, self)
# note: if the share has been migrated, the renew_lease()
# call will throw an exception, with information to help the
# client update the lease.
elif ShareFile.is_valid_header(header):
sf = ShareFile(filename)
else:
continue # non-sharefile
yield sf