import cumulus.store
class S3Store(cumulus.store.Store):
- def __init__(self, bucket, prefix):
+ def __init__(self, url, **kw):
+ (bucket, prefix) = self.path.lstrip("/").split("/", 1)
self.conn = boto.connect_s3(is_secure=False)
self.bucket = self.conn.create_bucket(bucket)
- while prefix.endswith("/"): prefix = prefix[:-1]
- self.prefix = prefix
+ self.prefix = prefix.rstrip ("/")
+ self.scan_cache = {}
def _get_key(self, type, name):
k = Key(self.bucket)
k.key = "%s/%s/%s" % (self.prefix, type, name)
return k
+ def scan(self):
+ prefix = "%s/" % (self.prefix,)
+ for i in self.bucket.list(prefix):
+ assert i.key.startswith(prefix)
+ self.scan_cache[i.key] = i
+
def list(self, type):
prefix = "%s/%s/" % (self.prefix, type)
for i in self.bucket.list(prefix):
self.bucket.delete_key("%s/%s/%s" % (self.prefix, type, name))
def stat(self, type, name):
- k = self.bucket.get_key("%s/%s/%s" % (self.prefix, type, name))
+ path = "%s/%s/%s" % (self.prefix, type, name)
+ if path in self.scan_cache:
+ k = self.scan_cache[path]
+ else:
+ k = self.bucket.get_key(path)
+ if k is None:
+ raise cumulus.store.NotFoundError
+
return {'size': int(k.size)}
+
+Store = S3Store