twisted.names.authority

module documentation
(source)

Authoritative resolvers.
Class ​Bind​Authority An Authority that loads BIND zone files.
Class ​File​Authority An Authority that is loaded from a file.
Class ​Py​Source​Authority A FileAuthority that is built up from Python source code.
Function get​Serial Return a monotonically increasing (across program runs) integer.
def getSerial(filename='/tmp/twisted-names.serial'): (source)

Return a monotonically increasing (across program runs) integer.

State is stored in the given file. If it does not exist, it is created with rw-/---/--- permissions.

This manipulates process-global state by calling os.umask(), so it isn't thread-safe.

Parameters
filename:strPath to a file that is used to store the state across program runs.
Returns
stra monotonically increasing number