def __init__(self,
parent_node,
path="/",
nxclass="NXCollection",
attrs={}):
self.root_node = self if parent_node is None else parent_node.root_node
if path.startswith("/"):
# absolute path
self.path = path
else:
# relative
self.path = os.path.join(parent_node.path, path)
self.os_path = parent_node.os_path
preexisting = os.path.exists(
os.path.join(self.os_path, self.path.lstrip("/")))
if not preexisting:
os.mkdir(os.path.join(self.os_path, self.path.lstrip("/")))
attrs['NX_class'] = nxclass.encode('UTF-8')
#print "making things: ", os.path.join(self.os_path, self.path.lstrip("/"))
self.attrs = JSONBackedDict(
os.path.join(self.os_path, self.path.lstrip("/"),
self._attrs_filename))
self.attrs.update(attrs)
self.fields = JSONBackedDict(
os.path.join(self.os_path, self.path.lstrip("/"),
self._fields_filename))
def makeAttrs(self):
if self.root.readonly:
return json.loads(
self.root.open(self.path + self._attrs_suffix, "r").read())
else:
return JSONBackedDict(
os.path.join(self.os_path,
self.path.lstrip("/") + self._attrs_suffix))
