def expire(self, filename, seconds, days=0, expires = True):
''' Set the lifespan of a file on the filesystem.
filename: Name of file
expire: False means the file will never be removed
seconds and days give time to expiration.
'''
FSExpirations.create_expiration(namespace, filename, seconds, days=days, expires = expires)
def expire_objects():
''' Remove all obsolete objects from the file systems. Untested. '''
objects = sorted(FSExpirations.expired(), key=lambda x:x.module)
fs = None
module = None
for o in objects:
if module != o.module:
module = o.module
fs = get_filesystem(module)
if fs.exists(o.filename):
fs.remove(o.filename)
o.delete()