def fix(self):
"""compute fixity based on pathname"""
now = secs2utcdatetime()
stat = os.stat(self.pathname)
self.length = stat.st_size
self.fix_time = now
self.create_time = secs2utcdatetime(stat.st_ctime)
self.mod_time = secs2utcdatetime(stat.st_mtime)
if self.checksum_type=='md5':
self.checksum = md5_file(self.pathname)
elif self.checksum_type=='sha1':
self.checksum = sha1_file(self.pathname)
def changed(self, event=None, state=None, ts=None):
if event is None: event = 'create'
if state is None: state = 'new'
if ts is None:
ts = secs2utcdatetime() # now
self.state = state
self.event = event
self.ts = ts