def localpath(self, storageid, itempath):
try:
storage = self.storagemanager.storage(storageid)
except KeyError:
return None
if storage.islocal() and storage.contains(itempath):
return storage.localpath(itempath)
if self.cache.contains(storageid, itempath):
return self.cache.pathto(storageid, itempath)
return None
def load(self, storageid, itempath):
# assuming that checking cache is very cheap operation, do it first
if self.cache.contains(storageid, itempath):
return self.cache.pathto(storageid, itempath)
storage = self.storagemanager.storage(storageid)
if storage.islocal():
if storage.contains(itempath):
return {"state": "OK"}
else:
raise LookupError("Item %s not found in storage %s " % (itempath, storageid))
else:
if storage.contains(itempath):
cachepath = self.cache.pathto(storageid, itempath)
ensuredir(os.path.split(cachepath)[0])
storage.loaditem(itempath, cachepath)
return {"state": "OK", "out": "Item %s loaded from %s to %s" % (itempath, storageid, cachepath)}
raise LookupError("Item %s not found in storage %s " % (itempath, storageid))
