def __init__(self, filename=None, config={}, **kwargs):
"""
Load a repository metadata structure
filename:
the name of a .chunker file to load, containing
either full state, or a useful subset
**kwargs:
a basic .chunker data structure
config:
optional dictionary of extra info. Keys:
username - for change log
hostname - for change log
"""
self.notifier = None
if not filename and not kwargs:
raise Exception("Repo has no initialisation data")
struct = {}
if filename and os.path.exists(filename):
try:
data = gzip.open(filename).read()
except:
data = open(filename).read()
struct.update(json.loads(data))
struct.update(kwargs)
self.config = config
self.name = struct.get("name") or os.path.basename(struct.get("root")) or os.path.splitext(os.path.basename(filename or ""))[0]
self.root = struct.get("root") or os.path.join(os.path.expanduser("~/Downloads"), self.name)
self.type = struct.get("type", "share") # static / share
self.uuid = struct.get("uuid", sha256(uuid.uuid4()))
self.key = struct.get("key", None) # for encrypting / decrypting chunks
self.peers = struct.get("peers", [])
self.files = dict([
(filename, File.from_struct(self, filename, data))
for filename, data
in struct.get("files", {}).items()
])
# if we're creating a new static chunkfile, then add our local files to the chunkfile
# should this be in start()?
if (self.type == "static" and not self.files):
self.__add_local_files()
def test(self):
self.assertEqual(
util.sha256("hello world"),
"b94d27b9934d3e08a52e52d7da7dabfac484efe37a5380ee9088f7ace2efcde9"
)
