def update(self):
now = datetime.datetime.now()
if 'X-First-Seen' not in self.data:
self.data['X-First-Seen'] = util.iso8601_datetime_format(now.timetuple())
envelope = (
#('X-Meta-Checksum', lambda x: self.get_meta_hash()),
('X-Last-Modified', util.last_modified_header),
('X-Last-Update', lambda x: util.iso8601_datetime_format(now.timetuple())),
('X-Last-Seen', lambda x: util.iso8601_datetime_format(now.timetuple())),
)
for handlers in self.handlers, envelope:
for header, handler in handlers:
value = None
try:
value = handler(self.path)
except Exception, e:
traceback.print_exc()
log.err("%s: %s", header, e)
continue
#print header, value
if header in self.allow_multiple:
if header not in self.data:
self.data[header] = []
elif not isinstance(self.data[header], list):
self.data[header] = [ self.data[header] ]
self.data[header].append(value)
else:
self.data[header] = value
def write(self):
fl = open(self.__class__.get_metafile(self.path, self.basedir), 'w+')
now = datetime.datetime.now() # XXX: ctime?
envelope = {
'X-Meta-Checksum': self.get_meta_hash(),
'X-Last-Update': util.iso8601_datetime_format(now.timetuple()),
'Location': self.path,
}
for key in envelope.keys():
if key in self.data:
del self.data[key]
for data in self.data, envelope:
for header in data:
value = data[header]
if isinstance(value, list):
value = ", ".join(value)
fl.write("%s: %s\r\n" % (header, value))
fl.close()
mtime = calendar.timegm( now.timetuple() )#[:6] )
os.utime(self.__class_.get_metafile(self.path, self.basedir), (mtime, mtime))
